Change manuals

DataAccess/DTOs/Converters/AccuracyFromDTOConvertStrategy.cs

@@ -0,0 +1,25 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Calculators;
+
+namespace DataAccess.DTOs
+{
+    public class AccuracyFromDTOConvertStrategy : ConvertStrategy<Accuracy, AccuracyDTO>
+    {
+        private IUpdateStrategy<IAccuracy> updateStrategy;
+        public override Accuracy GetNewItem(AccuracyDTO source)
+        {
+            updateStrategy ??= new AccuracyUpdateStrategy();
+            try
+            {
+                NewItem = new(source.Id);
+                updateStrategy.Update(NewItem, source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+    }
+}

DataAccess/DTOs/Converters/AccuracyToDTOConvertStrategy.cs

@@ -0,0 +1,25 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Calculators;
+
+namespace DataAccess.DTOs
+{
+    public class AccuracyToDTOConvertStrategy : ConvertStrategy<AccuracyDTO, IAccuracy>
+    {
+        private IUpdateStrategy<IAccuracy> updateStrategy;
+        public override AccuracyDTO GetNewItem(IAccuracy source)
+        {
+            updateStrategy ??= new AccuracyUpdateStrategy();
+            try
+            {
+                NewItem = new(source.Id);
+                updateStrategy.Update(NewItem, source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }     
+    }
+}

DataAccess/DTOs/Converters/AnalysisFromDTOConvertStrategy.cs

@@ -0,0 +1,92 @@
+using DataAccess.DTOs.Converters;
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Analyses;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperLogic.Models.Analyses;
+using StructureHelperLogics.Models.Analyses;
+
+namespace DataAccess.DTOs
+{
+    public class AnalysisFromDTOConvertStrategy : ConvertStrategy<IAnalysis, IAnalysis>
+    {
+        private const string AnalysisIs = "Analysis type is";
+
+        private IConvertStrategy<IVersionProcessor, IVersionProcessor> versionProcessorConvertStrategy;
+
+        public AnalysisFromDTOConvertStrategy()
+        {
+        }
+
+        public AnalysisFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override IAnalysis GetNewItem(IAnalysis source)
+        {
+            try
+            {
+                IAnalysis analysis = GetAnalysis(source);
+                return analysis;
+            }
+            catch (Exception ex)
+            {
+                TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Error);
+                TraceLogger?.AddMessage(ex.Message, TraceLogStatuses.Error);
+                throw;
+            }
+        }
+
+        private IAnalysis GetAnalysis(IAnalysis source)
+        {
+            if (source is ICrossSectionNdmAnalysis crossSectionNdmAnalysis)
+            {
+                GetCrossSectionNdmAnalysis(crossSectionNdmAnalysis);
+            }
+            else if (source is IBeamShearAnalysis beamShearAnalysis)
+            {
+                GetBeamShearAnalysis(beamShearAnalysis);
+            }
+            else
+            {
+                string errorString = ErrorStrings.ObjectTypeIsUnknownObj(source);
+                throw new StructureHelperException(errorString);
+            }
+            NewItem.VersionProcessor = GetVersionProcessor(source.VersionProcessor);
+            return NewItem;
+        }
+
+        private void GetBeamShearAnalysis(IBeamShearAnalysis beamShearAnalysis)
+        {
+            TraceLogger?.AddMessage(AnalysisIs + " beam shear Analysis", TraceLogStatuses.Debug);
+            TraceLogger?.AddMessage("Beam shear analysis converting has been started", TraceLogStatuses.Debug);
+            var convertStrategy = new DictionaryConvertStrategy<IBeamShearAnalysis, IBeamShearAnalysis>
+                (this, new BeamShearAnalysisFromDTOConvertStrategy(this));
+            NewItem = convertStrategy.Convert(beamShearAnalysis);
+            TraceLogger?.AddMessage("Beam shear analysis converting has been finished succesfully", TraceLogStatuses.Debug);
+        }
+
+
+        private void GetCrossSectionNdmAnalysis(ICrossSectionNdmAnalysis source)
+        {
+            TraceLogger?.AddMessage(AnalysisIs + " Cross-Section Ndm Analysis", TraceLogStatuses.Debug);
+            TraceLogger?.AddMessage("Cross-Section Ndm Analysis converting has been started", TraceLogStatuses.Debug);
+            var convertStrategy = new DictionaryConvertStrategy<ICrossSectionNdmAnalysis, ICrossSectionNdmAnalysis>
+                (this, new CrossSectionNdmAnalysisFromDTOConvertStrategy(this));
+            NewItem = convertStrategy.Convert(source);
+            TraceLogger?.AddMessage("Cross-Section Ndm Analysis converting has been finished successfully", TraceLogStatuses.Debug);
+        }
+        private IVersionProcessor GetVersionProcessor(IVersionProcessor source)
+        {
+            TraceLogger?.AddMessage("Version processor converting is started", TraceLogStatuses.Service);
+            versionProcessorConvertStrategy ??= new VersionProcessorFromDTOConvertStrategy();
+            versionProcessorConvertStrategy.ReferenceDictionary = ReferenceDictionary;
+            versionProcessorConvertStrategy.TraceLogger = TraceLogger;
+            IVersionProcessor versionProcessor = versionProcessorConvertStrategy.Convert(source);
+            TraceLogger?.AddMessage("Version processor converting has been finished successfully", TraceLogStatuses.Service);
+            return versionProcessor;
+        }
+
+    }
+}

DataAccess/DTOs/Converters/AnalysisToDTOConvertStrategy.cs

@@ -0,0 +1,66 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Analyses;
+using StructureHelperLogic.Models.Analyses;
+using StructureHelperLogics.Models.Analyses;
+
+namespace DataAccess.DTOs
+{
+    public class AnalysisToDTOConvertStrategy : ConvertStrategy<IAnalysis, IAnalysis>
+    {
+        private const string Message = "Analysis type is";
+
+        private IConvertStrategy<CrossSectionNdmAnalysisDTO, ICrossSectionNdmAnalysis> crossSectionConvertLogic;
+        private IConvertStrategy<BeamShearAnalysisDTO, IBeamShearAnalysis> beamShearConvertLogic;
+
+        public AnalysisToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger) : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override IAnalysis GetNewItem(IAnalysis source)
+        {
+            IAnalysis analysis;
+            if (source is ICrossSectionNdmAnalysis crossSectionNdmAnalysis)
+            {
+                analysis = GetCrossSectionNdmAnalysisDTO(crossSectionNdmAnalysis);
+            }
+            else if (source is IBeamShearAnalysis beamShearAnalysis)
+            {
+                analysis = GetBeamShearAnalysis(beamShearAnalysis);
+            }
+            else
+            {
+                string errorString = ErrorStrings.ObjectTypeIsUnknownObj(source);
+                TraceLogger?.AddMessage(errorString, TraceLogStatuses.Error);
+                throw new StructureHelperException(errorString);
+            }
+            foreach (var item in source.VersionProcessor.Versions)
+            {
+                //to do
+            }
+            return analysis;
+        }
+        private BeamShearAnalysisDTO GetBeamShearAnalysis(IBeamShearAnalysis beamShearAnalysis)
+        {
+            TraceLogger?.AddMessage(Message + " Beam Shear Analysis", TraceLogStatuses.Debug);
+            beamShearConvertLogic ??= new DictionaryConvertStrategy<BeamShearAnalysisDTO, IBeamShearAnalysis>
+                (this,
+                new BeamShearAnalysisToDTOConvertStrategy(ReferenceDictionary, TraceLogger)
+                );
+            BeamShearAnalysisDTO newItem = beamShearConvertLogic.Convert(beamShearAnalysis);
+            return newItem;
+        }
+
+        private CrossSectionNdmAnalysisDTO GetCrossSectionNdmAnalysisDTO(ICrossSectionNdmAnalysis crossSectionNdmAnalysis)
+        {
+            TraceLogger?.AddMessage(Message + " Cross-Section Ndm Analysis", TraceLogStatuses.Debug);
+            crossSectionConvertLogic ??= new DictionaryConvertStrategy<CrossSectionNdmAnalysisDTO, ICrossSectionNdmAnalysis>
+                (this,
+                new CrossSectionNdmAnalysisToDTOConvertStrategy(ReferenceDictionary, TraceLogger)
+                );
+            CrossSectionNdmAnalysisDTO newItem = crossSectionConvertLogic.Convert(crossSectionNdmAnalysis);
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearActionFromDTOConvertStrategy.cs

@@ -0,0 +1,62 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.BeamShearActions;
+using StructureHelperCommon.Services;
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearActionFromDTOConvertStrategy : ConvertStrategy<BeamShearAction, BeamShearActionDTO>
+    {
+        private IUpdateStrategy<IBeamShearAction> updateStrategy;
+        private IConvertStrategy<FactoredForceTuple, FactoredForceTupleDTO> factoredTupleConvertStrategy;
+        private IConvertStrategy<BeamShearAxisAction, BeamShearAxisActionDTO> axisActionConvertStrategy;
+
+        public BeamShearActionFromDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override BeamShearAction GetNewItem(BeamShearActionDTO source)
+        {
+            ChildClass = this;
+            CheckObjects(source);
+            InitializeStrategies();
+            GetNewAction(source);
+            return NewItem;
+        }
+
+        private void CheckObjects(BeamShearActionDTO source)
+        {
+            CheckObject.ThrowIfNull(source);
+            CheckObject.ThrowIfNull(source.ExternalForce);
+            CheckObject.ThrowIfNull(source.SupportAction);
+        }
+
+        private void GetNewAction(BeamShearActionDTO source)
+        {
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            if (source.ExternalForce is not FactoredForceTupleDTO forceTupleDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.ExternalForce));
+            }
+            NewItem.ExternalForce = factoredTupleConvertStrategy.Convert(forceTupleDTO);
+            if (source.SupportAction is not BeamShearAxisActionDTO axisActionDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.ExternalForce));
+            }
+            NewItem.SupportAction = axisActionConvertStrategy.Convert(axisActionDTO);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearActionUpdateStrategy();
+            factoredTupleConvertStrategy ??= new DictionaryConvertStrategy<FactoredForceTuple, FactoredForceTupleDTO>
+                (this, new FactoredForceTupleFromDTOConvertStrategy(this));
+            axisActionConvertStrategy ??= new DictionaryConvertStrategy<BeamShearAxisAction, BeamShearAxisActionDTO>
+                (this, new BeamShearAxisActionFromDTOConvertStrategy(this));
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearActionToDTOConvertStrategy.cs

@@ -0,0 +1,57 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.BeamShearActions;
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearActionToDTOConvertStrategy : ConvertStrategy<BeamShearActionDTO, IBeamShearAction>
+    {
+        private IUpdateStrategy<IBeamShearAction> updateStrategy;
+        private IConvertStrategy<FactoredForceTupleDTO, IFactoredForceTuple> factoredTupleConvertStrategy;
+        private IConvertStrategy<BeamShearAxisActionDTO, IBeamShearAxisAction> axisActionConvertStrategy;
+
+        public BeamShearActionToDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public BeamShearActionToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override BeamShearActionDTO GetNewItem(IBeamShearAction source)
+        {
+            try
+            {
+                GetNewBeamAction(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewBeamAction(IBeamShearAction source)
+        {
+            TraceLogger?.AddMessage($"Beam shear action converting Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.ExternalForce = factoredTupleConvertStrategy.Convert(source.ExternalForce);
+            NewItem.SupportAction = axisActionConvertStrategy.Convert(source.SupportAction);
+            TraceLogger?.AddMessage($"Beam shear action converting Id = {NewItem.Id} has been finished", TraceLogStatuses.Debug);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearActionUpdateStrategy();
+            factoredTupleConvertStrategy = new DictionaryConvertStrategy<FactoredForceTupleDTO, IFactoredForceTuple>
+                (this, new FactoredForceTupleToDTOConvertStrategy(this));
+            axisActionConvertStrategy = new DictionaryConvertStrategy<BeamShearAxisActionDTO, IBeamShearAxisAction>
+                (this, new BeamShearAxisActionToDTOConvertStrategy(this));
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearAnalysisFromDTOConvertStrategy.cs

@@ -0,0 +1,29 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.Models.Analyses;
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearAnalysisFromDTOConvertStrategy : ConvertStrategy<IBeamShearAnalysis, IBeamShearAnalysis>
+    {
+        private IUpdateStrategy<IBeamShearAnalysis> updateStrategy;
+
+        public BeamShearAnalysisFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override IBeamShearAnalysis GetNewItem(IBeamShearAnalysis source)
+        {
+            ChildClass = this;
+            GetAnalysis(source);
+            return NewItem;
+        }
+
+        private void GetAnalysis(IBeamShearAnalysis source)
+        {
+            updateStrategy ??= new BeamShearAnalysisUpdateStrategy();
+            BeamShearAnalysis beamShearAnalysis = new(source.Id);
+            updateStrategy.Update(beamShearAnalysis, source);
+            NewItem = beamShearAnalysis;
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearAnalysisToDTOConvertStrategy.cs

@@ -0,0 +1,54 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Analyses;
+using StructureHelperLogics.Models.Analyses;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces.LimitCurve;
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearAnalysisToDTOConvertStrategy : ConvertStrategy<BeamShearAnalysisDTO, IBeamShearAnalysis>
+    {
+        private IUpdateStrategy<IBeamShearAnalysis> updateStrategy;
+        private IConvertStrategy<VersionProcessorDTO, IVersionProcessor> convertStrategy;
+
+        public BeamShearAnalysisToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger) : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override BeamShearAnalysisDTO GetNewItem(IBeamShearAnalysis source)
+        {
+            updateStrategy ??= new BeamShearAnalysisUpdateStrategy();
+            try
+            {
+                GetNewAnalysis(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewAnalysis(IBeamShearAnalysis source)
+        {
+            TraceLogger?.AddMessage($"Converting beam shear analysis id = {source.Id} has been started");
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.VersionProcessor = convertStrategy.Convert(source.VersionProcessor);
+            TraceLogger?.AddMessage($"Converting beam shear analysis id = {NewItem.Id} has done successfully");
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearAnalysisUpdateStrategy();
+            convertStrategy = new DictionaryConvertStrategy<VersionProcessorDTO, IVersionProcessor>()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                ConvertStrategy = new VersionProcessorToDTOConvertStrategy(ReferenceDictionary, TraceLogger),
+                TraceLogger = TraceLogger
+            };
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearAxisActionFromDTOConvertStrategy.cs

@@ -0,0 +1,67 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.BeamShearActions;
+using StructureHelperCommon.Services;
+
+namespace DataAccess.DTOs
+{
+    internal class BeamShearAxisActionFromDTOConvertStrategy : ConvertStrategy<BeamShearAxisAction, BeamShearAxisActionDTO>
+    {
+        private IUpdateStrategy<IBeamShearAxisAction> updateStrategy;
+        private IConvertStrategy<FactoredForceTuple, FactoredForceTupleDTO> factoredTupleConvertStrategy;
+        private IConvertStrategy<IBeamSpanLoad, IBeamSpanLoad> spanLoadConvertLogic;
+
+        public BeamShearAxisActionFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override BeamShearAxisAction GetNewItem(BeamShearAxisActionDTO source)
+        {
+            CheckObject.ThrowIfNull(source);
+            CheckObject.ThrowIfNull(source.SupportForce);
+            CheckObject.ThrowIfNull(source.ShearLoads);
+            InitializeStrategies();
+            GetNewAction(source);
+            return NewItem;
+        }
+
+        private void GetNewAction(BeamShearAxisActionDTO source)
+        {
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            if (source.SupportForce is not FactoredForceTupleDTO factoredForceTupleDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.SupportForce));
+            }
+            NewItem.SupportForce = factoredTupleConvertStrategy.Convert(factoredForceTupleDTO);
+            List<IBeamSpanLoad> beamSpanLoads = GetSpanLoads(source.ShearLoads);
+            NewItem.ShearLoads.Clear();
+            NewItem.ShearLoads.AddRange(beamSpanLoads);
+        }
+
+        private List<IBeamSpanLoad> GetSpanLoads(IEnumerable<IBeamSpanLoad> shearLoads)
+        {
+            List<IBeamSpanLoad> beamSpanLoads = new();
+            foreach (var spanLoad in shearLoads)
+            {
+                beamSpanLoads.Add(ProcessSpanLoad(spanLoad));
+            }
+            return beamSpanLoads;
+        }
+
+        private IBeamSpanLoad ProcessSpanLoad(IBeamSpanLoad spanLoad)
+        {
+            return spanLoadConvertLogic.Convert(spanLoad);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearAxisActionUpdateStrategy();
+            factoredTupleConvertStrategy ??= new DictionaryConvertStrategy<FactoredForceTuple, FactoredForceTupleDTO>
+                (this, new FactoredForceTupleFromDTOConvertStrategy(this));
+            spanLoadConvertLogic ??= new DictionaryConvertStrategy<IBeamSpanLoad, IBeamSpanLoad>
+                (this, new BeamSpanLoadFromDTOConvertStrategy(this));
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearAxisActionToDTOConvertStrategy.cs

@@ -0,0 +1,60 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.BeamShearActions;
+
+//Copyright (c) 2025 Redikultsev Evgeny, Ekaterinburg, Russia
+//All rights reserved.
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearAxisActionToDTOConvertStrategy : ConvertStrategy<BeamShearAxisActionDTO, IBeamShearAxisAction>
+    {
+        private IUpdateStrategy<IBeamShearAxisAction> updateStrategy;
+        private IConvertStrategy<FactoredForceTupleDTO, IFactoredForceTuple> factoredTupleConvertStrategy;
+        private IConvertStrategy<IBeamSpanLoad, IBeamSpanLoad> spanLoadConvertStrategy;
+
+        public BeamShearAxisActionToDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override BeamShearAxisActionDTO GetNewItem(IBeamShearAxisAction source)
+        {
+            try
+            {
+                GetNewBeamAction(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewBeamAction(IBeamShearAxisAction source)
+        {
+            TraceLogger?.AddMessage($"Converting of beam shear action Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.SupportForce = factoredTupleConvertStrategy.Convert(source.SupportForce);
+            NewItem.ShearLoads.Clear();
+            foreach (var spanLoad in source.ShearLoads)
+            {
+                var newSpanLoad = spanLoadConvertStrategy.Convert(spanLoad);
+                NewItem.ShearLoads.Add(newSpanLoad);
+            }
+            TraceLogger?.AddMessage($"Converting of beam shear action Id = {source.Id} has been finished", TraceLogStatuses.Debug);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearAxisActionUpdateStrategy();
+            factoredTupleConvertStrategy = new DictionaryConvertStrategy<FactoredForceTupleDTO, IFactoredForceTuple>
+                (this, new FactoredForceTupleToDTOConvertStrategy(this));
+            spanLoadConvertStrategy = new DictionaryConvertStrategy<IBeamSpanLoad, IBeamSpanLoad>
+                (this, new BeamSpanLoadToDTOConvertStrategy(this));
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearCalculatorFromDTOConvertStrategy.cs

@@ -0,0 +1,46 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Services;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    internal class BeamShearCalculatorFromDTOConvertStrategy : ConvertStrategy<BeamShearCalculator, BeamShearCalculatorDTO>
+    {
+        private IUpdateStrategy<IBeamShearCalculator> updateStrategy;
+        private IConvertStrategy<BeamShearCalculatorInputData, BeamShearCalculatorInputDataDTO> inputDataConvertStrategy;
+
+        public BeamShearCalculatorFromDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override BeamShearCalculator GetNewItem(BeamShearCalculatorDTO source)
+        {
+            CheckObject.ThrowIfNull(source);
+            CheckObject.ThrowIfNull(source.InputData);
+            GetNewCalculator(source);
+            return NewItem;
+        }
+
+        private void GetNewCalculator(BeamShearCalculatorDTO source)
+        {
+            if (source.InputData is not BeamShearCalculatorInputDataDTO inputDataDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.InputData));
+            }
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.InputData = inputDataConvertStrategy.Convert(inputDataDTO);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearCalculatorUpdateStrategy();
+            inputDataConvertStrategy = new DictionaryConvertStrategy<BeamShearCalculatorInputData, BeamShearCalculatorInputDataDTO>
+                (this, new BeamShearCalculatorInputDataFromDTOConvertStrategy(this));
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearCalculatorInputDataFromDTOConvertStrategy.cs

@@ -0,0 +1,48 @@
+using DataAccess.DTOs.Converters.BeamShears;
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    internal class BeamShearCalculatorInputDataFromDTOConvertStrategy : ConvertStrategy<BeamShearCalculatorInputData, BeamShearCalculatorInputDataDTO>
+    {
+        private IUpdateStrategy<IBeamShearCalculatorInputData> updateStrategy;
+        private IUpdateStrategy<IHasBeamShearActions> actionUpdateStrategy;
+        private IUpdateStrategy<IHasBeamShearSections> sectionUpdateStrategy;
+        private IUpdateStrategy<IHasStirrups> stirrupUpdateStrategy;
+        private IConvertStrategy<BeamShearDesignRangeProperty, BeamShearDesignRangePropertyDTO> designRangeConvertStrategy;
+
+        public BeamShearCalculatorInputDataFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override BeamShearCalculatorInputData GetNewItem(BeamShearCalculatorInputDataDTO source)
+        {
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            actionUpdateStrategy.Update(NewItem, source);
+            sectionUpdateStrategy.Update(NewItem, source);
+            stirrupUpdateStrategy.Update(NewItem, source);
+            if (source.DesignRangeProperty is BeamShearDesignRangePropertyDTO propertyDTO)
+            {
+                NewItem.DesignRangeProperty = designRangeConvertStrategy.Convert(propertyDTO);
+            }
+            else
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.DesignRangeProperty));
+            }
+            return NewItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearCalculatorInputDataUpdateStrategy();
+            actionUpdateStrategy ??= new HasBeamShearActionsFromDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+            sectionUpdateStrategy ??= new HasBeamShearSectionsFromDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+            stirrupUpdateStrategy ??= new HasStirrupsFromDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+            designRangeConvertStrategy ??= new BeamShearDesignRangePropertyFromDTOConvertStrategy(this);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearCalculatorInputDataToDTOConvertStrategy.cs

@@ -0,0 +1,39 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearCalculatorInputDataToDTOConvertStrategy : ConvertStrategy<BeamShearCalculatorInputDataDTO, IBeamShearCalculatorInputData>
+    {
+        private IUpdateStrategy<IBeamShearCalculatorInputData> updateStrategy;
+        private IUpdateStrategy<IHasBeamShearActions> actionUpdateStrategy;
+        private IUpdateStrategy<IHasBeamShearSections> sectionUpdateStrategy;
+        private IUpdateStrategy<IHasStirrups> stirrupUpdateStrategy;
+        private IConvertStrategy<BeamShearDesignRangePropertyDTO, IBeamShearDesignRangeProperty> designRangeConvertStrategy;
+
+        public BeamShearCalculatorInputDataToDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override BeamShearCalculatorInputDataDTO GetNewItem(IBeamShearCalculatorInputData source)
+        {
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            actionUpdateStrategy.Update(NewItem, source);
+            sectionUpdateStrategy.Update(NewItem, source);
+            stirrupUpdateStrategy.Update(NewItem, source);
+            NewItem.DesignRangeProperty = designRangeConvertStrategy.Convert(source.DesignRangeProperty);
+            return NewItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearCalculatorInputDataUpdateStrategy();
+            actionUpdateStrategy ??= new HasBeamShearActionsToDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+            sectionUpdateStrategy ??= new HasBeamShearSectionsToDTORenameStrategy(ReferenceDictionary, TraceLogger);
+            stirrupUpdateStrategy ??= new HasStirrupsToDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+            designRangeConvertStrategy ??= new BeamShearDesignRangePropertyToDTOConvertStrategy(this);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearCalculatorToDTOConvertStrategy.cs

@@ -0,0 +1,48 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearCalculatorToDTOConvertStrategy : ConvertStrategy<BeamShearCalculatorDTO, IBeamShearCalculator>
+    {
+        private IUpdateStrategy<IBeamShearCalculator> updateStrategy;
+        private IConvertStrategy<BeamShearCalculatorInputDataDTO, IBeamShearCalculatorInputData> inputDataConvertStrategy;
+
+        public BeamShearCalculatorToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override BeamShearCalculatorDTO GetNewItem(IBeamShearCalculator source)
+        {
+            try
+            {
+                GetNewCalculator(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewCalculator(IBeamShearCalculator source)
+        {
+            TraceLogger?.AddMessage($"Beam shear calculator converting Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.InputData = inputDataConvertStrategy.Convert(source.InputData);
+            TraceLogger?.AddMessage($"Beam shear calculator converting Id = {NewItem.Id} has been finished successfully", TraceLogStatuses.Debug);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearCalculatorUpdateStrategy();
+            inputDataConvertStrategy = new DictionaryConvertStrategy<BeamShearCalculatorInputDataDTO, IBeamShearCalculatorInputData>
+                (this, new BeamShearCalculatorInputDataToDTOConvertStrategy(this));
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearDesignRangePropertyFromDTOConvertStrategy.cs

@@ -0,0 +1,22 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs.Converters.BeamShears
+{
+    public class BeamShearDesignRangePropertyFromDTOConvertStrategy : ConvertStrategy<BeamShearDesignRangeProperty, BeamShearDesignRangePropertyDTO>
+    {
+        private IUpdateStrategy<IBeamShearDesignRangeProperty> updateStrategy;
+
+        public BeamShearDesignRangePropertyFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override BeamShearDesignRangeProperty GetNewItem(BeamShearDesignRangePropertyDTO source)
+        {
+            updateStrategy ??= new BeamShearDesignRangePropertyUpdateStrategy();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            return NewItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearDesignRangePropertyToDTOConvertStrategy.cs

@@ -0,0 +1,22 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearDesignRangePropertyToDTOConvertStrategy : ConvertStrategy<BeamShearDesignRangePropertyDTO, IBeamShearDesignRangeProperty>
+    {
+        IUpdateStrategy<IBeamShearDesignRangeProperty>? updateStrategy;
+
+        public BeamShearDesignRangePropertyToDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override BeamShearDesignRangePropertyDTO GetNewItem(IBeamShearDesignRangeProperty source)
+        {
+            updateStrategy ??= new BeamShearDesignRangePropertyUpdateStrategy();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            return NewItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearFromDTOConvertStrategy.cs

@@ -0,0 +1,38 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Services;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearFromDTOConvertStrategy : ConvertStrategy<BeamShear, BeamShearDTO>
+    {
+        private IUpdateStrategy<IBeamShear> updateStrategy;
+
+        public BeamShearFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override BeamShear GetNewItem(BeamShearDTO source)
+        {
+            ChildClass = this;
+            CheckObject.ThrowIfNull(source);
+            CheckObject.ThrowIfNull(source.Repository);
+            GetNewBeamShear(source);
+            return NewItem;
+        }
+
+        private void GetNewBeamShear(IBeamShear source)
+        {
+            if (source.Repository is not BeamShearRepositoryDTO repositoryDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.Repository));
+            }
+            updateStrategy ??= new BeamShearUpdateStrategy();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            BeamShearRepositoryFromDTOConvertStrategy convertStrategy = new(this);
+            NewItem.Repository = convertStrategy.Convert(repositoryDTO);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearRepositoryFromDTOConvertStrategy.cs

@@ -0,0 +1,43 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearRepositoryFromDTOConvertStrategy : ConvertStrategy<BeamShearRepository, BeamShearRepositoryDTO>
+    {
+        private IUpdateStrategy<IHasBeamShearActions> actionUpdateStrategy;
+        private IUpdateStrategy<IHasBeamShearSections> sectionUpdateStrategy;
+        private IUpdateStrategy<IHasStirrups> stirrupUpdateStrategy;
+        private IUpdateStrategy<IHasCalculators> calculatorUpdateStrategy;
+
+        public BeamShearRepositoryFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override BeamShearRepository GetNewItem(BeamShearRepositoryDTO source)
+        {
+            ChildClass = this;
+            GetNewRepository(source);
+            return NewItem;
+        }
+
+        private void GetNewRepository(BeamShearRepositoryDTO source)
+        {
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            actionUpdateStrategy.Update(NewItem, source);
+            sectionUpdateStrategy.Update(NewItem, source);
+            stirrupUpdateStrategy.Update(NewItem, source);
+            calculatorUpdateStrategy.Update(NewItem, source);
+        }
+
+        private void InitializeStrategies()
+        {
+            actionUpdateStrategy ??= new HasBeamShearActionsFromDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+            sectionUpdateStrategy ??= new HasBeamShearSectionsFromDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+            stirrupUpdateStrategy ??= new HasStirrupsFromDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+            calculatorUpdateStrategy ??= new HasBeamShearCalculatorsFromDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearRepositoryToDTOConvertStrategy.cs

@@ -0,0 +1,60 @@
+using DataAccess.DTOs.Converters;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.BeamShearActions;
+using StructureHelperLogics.Models.BeamShears;
+
+//Copyright (c) 2025 Redikultsev Evgeny, Ekaterinburg, Russia
+//All rights reserved.
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearRepositoryToDTOConvertStrategy : ConvertStrategy<BeamShearRepositoryDTO, IBeamShearRepository>
+    {
+        private IUpdateStrategy<IHasBeamShearActions> actionUpdateStrategy;
+        private IUpdateStrategy<IHasBeamShearSections> sectionUpdateStrategy;
+        private IUpdateStrategy<IHasStirrups> stirrupUpdateStrategy;
+        private IUpdateStrategy<IHasCalculators> calculatorUpdateStrategy;
+
+        public BeamShearRepositoryToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger) : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override BeamShearRepositoryDTO GetNewItem(IBeamShearRepository source)
+        {
+            try
+            {
+                GetNewBeamRepository(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewBeamRepository(IBeamShearRepository source)
+        {
+            TraceLogger?.AddMessage($"Converting of beam shear repository Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            actionUpdateStrategy.Update(NewItem, source);
+            sectionUpdateStrategy.Update(NewItem, source);
+            stirrupUpdateStrategy.Update(NewItem, source);
+            calculatorUpdateStrategy.Update(NewItem, source);
+            TraceLogger?.AddMessage($"Converting of beam shear repository Id = {NewItem.Id} has been finished", TraceLogStatuses.Service);
+
+        }
+
+        private void InitializeStrategies()
+        {
+            actionUpdateStrategy ??= new HasBeamShearActionsToDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+            sectionUpdateStrategy ??= new HasBeamShearSectionsToDTORenameStrategy(ReferenceDictionary, TraceLogger);
+            stirrupUpdateStrategy ??= new HasStirrupsToDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+            calculatorUpdateStrategy ??= new HasBeamShearCalculatorsToDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearSectionFromDTOConvertStrategy.cs

@@ -0,0 +1,66 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Materials;
+using StructureHelperCommon.Models.Shapes;
+using StructureHelperCommon.Models.VisualProperties;
+using StructureHelperLogics.Models.BeamShears;
+using StructureHelperLogics.Models.Materials;
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearSectionFromDTOConvertStrategy : ConvertStrategy<BeamShearSection, BeamShearSectionDTO>
+    {
+        private IUpdateStrategy<IBeamShearSection> updateStrategy;
+        private IConvertStrategy<IShape, IShape> shapeConvertStrategy;
+        private IConvertStrategy<ConcreteLibMaterial, ConcreteLibMaterialDTO> concreteConvertStrategy;
+        private IConvertStrategy<ReinforcementLibMaterial, ReinforcementLibMaterialDTO> reinforcementConvertStrategy;
+        private IUpdateStrategy<IHelperMaterial> safetyFactorUpdateStrategy;
+        private IUpdateStrategy<IHasVisualProperty> visualUpdateStrategy;
+
+
+        public BeamShearSectionFromDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger) : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override BeamShearSection GetNewItem(BeamShearSectionDTO source)
+        {
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.Shape = shapeConvertStrategy.Convert(source.Shape);
+            if (source.ConcreteMaterial is not ConcreteLibMaterialDTO concreteDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.ConcreteMaterial));
+            }
+            NewItem.ConcreteMaterial = concreteConvertStrategy.Convert(concreteDTO);
+            safetyFactorUpdateStrategy.Update(NewItem.ConcreteMaterial, concreteDTO);
+            if (source.ReinforcementMaterial is not ReinforcementLibMaterialDTO reinforcement)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.ReinforcementMaterial));
+            }
+            NewItem.ReinforcementMaterial = reinforcementConvertStrategy.Convert(reinforcement);
+            visualUpdateStrategy.Update(NewItem, source);
+            return NewItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearSectionUpdateStrategy() { UpdateChildren = false};
+            shapeConvertStrategy = new DictionaryConvertStrategy<IShape, IShape>
+                (this, new ShapeFromDTOConvertStrategy(this));
+            concreteConvertStrategy = new ConcreteLibMaterialFromDTOConvertStrategy()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger
+            };
+            reinforcementConvertStrategy = new ReinforcementLibMaterialFromDTOConvertStrategy()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger
+            };
+            safetyFactorUpdateStrategy = new HelperMaterialDTOSafetyFactorUpdateStrategy(new MaterialSafetyFactorsFromDTOLogic());
+            visualUpdateStrategy = new HasVisualPropertyFromDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearSectionToDTOConvertStrategy.cs

@@ -0,0 +1,71 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Materials;
+using StructureHelperCommon.Models.Shapes;
+using StructureHelperCommon.Models.VisualProperties;
+using StructureHelperLogics.Models.BeamShears;
+using StructureHelperLogics.Models.Materials;
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearSectionToDTOConvertStrategy : ConvertStrategy<BeamShearSectionDTO, IBeamShearSection>
+    {
+        private IUpdateStrategy<IBeamShearSection> updateStrategy;
+        private IConvertStrategy<IShape, IShape> shapeConvertStrategy;
+        private IConvertStrategy<ConcreteLibMaterialDTO, IConcreteLibMaterial> concreteConvertStrategy;
+        private ReinforcementLibMaterialToDTOConvertStrategy reinforcementConvertStrategy;
+        private IUpdateStrategy<IHelperMaterial> safetyFactorUpdateStrategy;
+        private IUpdateStrategy<IHasVisualProperty> visualUpdateStrategy;
+
+        public BeamShearSectionToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override BeamShearSectionDTO GetNewItem(IBeamShearSection source)
+        {
+            try
+            {
+                GetNewSection(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewSection(IBeamShearSection source)
+        {
+            TraceLogger?.AddMessage($"Beam shear section converting Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.Shape = shapeConvertStrategy.Convert(source.Shape);
+            NewItem.ConcreteMaterial = concreteConvertStrategy.Convert(source.ConcreteMaterial);
+            safetyFactorUpdateStrategy.Update(NewItem.ConcreteMaterial, source.ConcreteMaterial);
+            NewItem.ReinforcementMaterial = reinforcementConvertStrategy.Convert(source.ReinforcementMaterial);
+            safetyFactorUpdateStrategy.Update(NewItem.ReinforcementMaterial, source.ReinforcementMaterial);
+            TraceLogger?.AddMessage($"Beam shear section converting Id = {NewItem.Id} has been finished succesfully", TraceLogStatuses.Debug);
+            visualUpdateStrategy.Update(NewItem, source);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearSectionUpdateStrategy() { UpdateChildren = false};
+            shapeConvertStrategy = new DictionaryConvertStrategy<IShape, IShape>
+                (this, new ShapeToDTOConvertStrategy(this));
+            concreteConvertStrategy = new ConcreteLibMaterialToDTOConvertStrategy()
+            { ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger};
+            reinforcementConvertStrategy = new ReinforcementLibMaterialToDTOConvertStrategy()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger
+            };
+            safetyFactorUpdateStrategy = new HelperMaterialDTOSafetyFactorUpdateStrategy(new MaterialSafetyFactorToDTOLogic());
+            visualUpdateStrategy = new HasVisualPropertyToDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamShearToDTOConvertStrategy.cs

@@ -0,0 +1,53 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.Models.BeamShears;
+
+//Copyright (c) 2025 Redikultsev Evgeny, Ekaterinburg, Russia
+//All rights reserved.
+
+namespace DataAccess.DTOs
+{
+    public class BeamShearToDTOConvertStrategy : ConvertStrategy<BeamShearDTO, IBeamShear>
+    {
+        private IUpdateStrategy<IBeamShear> updateStrategy;
+        private IConvertStrategy<BeamShearRepositoryDTO, IBeamShearRepository> repositoryConvertStrategy;
+        public BeamShearToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override BeamShearDTO GetNewItem(IBeamShear source)
+        {
+            try
+            {
+                GetNewBeamShear(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewBeamShear(IBeamShear source)
+        {
+            TraceLogger?.AddMessage($"Converting of beam shear Id = {source.Id} has been started");
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.Repository = repositoryConvertStrategy.Convert(source.Repository);
+            TraceLogger?.AddMessage($"Converting of beam shear Id = {NewItem.Id} has been finished successfully");
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new BeamShearUpdateStrategy();
+            repositoryConvertStrategy = new DictionaryConvertStrategy<BeamShearRepositoryDTO, IBeamShearRepository>(
+                ReferenceDictionary,
+                TraceLogger,
+                new BeamShearRepositoryToDTOConvertStrategy(ReferenceDictionary, TraceLogger)
+                );
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamSpanLoadFromDTOConvertStrategy.cs

@@ -0,0 +1,46 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Services;
+
+namespace DataAccess.DTOs
+{
+    internal class BeamSpanLoadFromDTOConvertStrategy : ConvertStrategy<IBeamSpanLoad, IBeamSpanLoad>
+    {
+        public BeamSpanLoadFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override IBeamSpanLoad GetNewItem(IBeamSpanLoad source)
+        {
+            CheckObject.ThrowIfNull(source);
+            if (source is DistributedLoadDTO distributed)
+            {
+                ProcessDistributed(distributed);
+            }
+            else if (source is ConcentratedForceDTO concentrated)
+            {
+                ProcessConcentrated(concentrated);
+            }
+            else
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source));
+            }
+            return NewItem;
+        }
+
+        private void ProcessConcentrated(ConcentratedForceDTO concentrated)
+        {
+            var convertLogic = new DictionaryConvertStrategy<ConcentratedForce, ConcentratedForceDTO>
+                (this, new ConcentratedForceFromDTOConvertStrategy(this));
+            NewItem = convertLogic.Convert(concentrated);
+        }
+
+        private void ProcessDistributed(DistributedLoadDTO distributed)
+        {
+            var convertLogic = new DictionaryConvertStrategy<DistributedLoad, DistributedLoadDTO>
+                (this, new DistributedLoadFromDTOConvertStrategy(this));
+            NewItem = convertLogic.Convert(distributed);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/BeamSpanLoadToDTOConvertStrategy.cs

@@ -0,0 +1,62 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+
+namespace DataAccess.DTOs
+{
+    public class BeamSpanLoadToDTOConvertStrategy : ConvertStrategy<IBeamSpanLoad, IBeamSpanLoad>
+    {
+        public BeamSpanLoadToDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override IBeamSpanLoad GetNewItem(IBeamSpanLoad source)
+        {
+            try
+            {
+                GetNewBeamAction(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewBeamAction(IBeamSpanLoad source)
+        {
+            TraceLogger?.AddMessage($"Converting of beam shear action Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            if (source is IDistributedLoad distributedLoad)
+            {
+                ProcessDistributedLoad(distributedLoad);
+            }
+            else if (source is IConcentratedForce concentratedForce)
+            {
+                ProcessConcentratedForce(concentratedForce);
+            }
+            else
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source) + ": type of span load");
+            }
+            TraceLogger?.AddMessage($"Converting of beam shear action Id = {source.Id} has been finished", TraceLogStatuses.Debug);
+        }
+
+        private void ProcessConcentratedForce(IConcentratedForce concentratedForce)
+        {
+            var convertStrategy = new DictionaryConvertStrategy<ConcentratedForceDTO, IConcentratedForce>
+                (this, new ConcentratedForceToDTOConvertStrategy(this));
+            ConcentratedForceDTO concentratedForceDTO = convertStrategy.Convert(concentratedForce);
+            NewItem = concentratedForceDTO;
+        }
+
+        private void ProcessDistributedLoad(IDistributedLoad distributedLoad)
+        {
+            var convertStrategy = new DictionaryConvertStrategy<DistributedLoadDTO, IDistributedLoad>
+                (this, new DistributedLoadToDTOConvertStrategy(this));
+            DistributedLoadDTO distributedLoadDTO = convertStrategy.Convert(distributedLoad);
+            NewItem = distributedLoadDTO;
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/HasBeamShearActionsFromDTOUpdateStrategy.cs

@@ -0,0 +1,55 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.BeamShearActions;
+using StructureHelperCommon.Services;
+
+namespace DataAccess.DTOs
+{
+    public class HasBeamShearActionsFromDTOUpdateStrategy : IUpdateStrategy<IHasBeamShearActions>
+    {
+        private Dictionary<(Guid id, Type type), ISaveable> referenceDictionary;
+        private IShiftTraceLogger traceLogger;
+        private IConvertStrategy<BeamShearAction, BeamShearActionDTO> convertStrategy;
+        
+        public HasBeamShearActionsFromDTOUpdateStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+        {
+            this.referenceDictionary = referenceDictionary;
+            this.traceLogger = traceLogger;
+        }
+
+        public void Update(IHasBeamShearActions targetObject, IHasBeamShearActions sourceObject)
+        {
+            CheckObject.ThrowIfNull(targetObject);
+            CheckObject.ThrowIfNull(sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            CheckObject.ThrowIfNull(sourceObject.Actions);
+            CheckObject.ThrowIfNull(targetObject.Actions);
+            targetObject.Actions.Clear();
+            foreach (var action in sourceObject.Actions)
+            {
+                targetObject.Actions.Add(ProcessAction(action));
+
+            }
+        }
+
+        private IBeamShearAction ProcessAction(IBeamShearAction action)
+        {
+            if (action is not BeamShearActionDTO actionDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(action));
+            }
+            InitializeStrategies();
+            var newAction = convertStrategy.Convert(actionDTO);
+            return newAction;
+        }
+
+        private void InitializeStrategies()
+        {
+            convertStrategy ??= new DictionaryConvertStrategy<BeamShearAction, BeamShearActionDTO>(
+            referenceDictionary, traceLogger,
+            new BeamShearActionFromDTOConvertStrategy(referenceDictionary, traceLogger));
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/HasBeamShearActionsToDTOUpdateStrategy.cs

@@ -0,0 +1,38 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Services;
+
+namespace DataAccess.DTOs
+{
+    public class HasBeamShearActionsToDTOUpdateStrategy : IUpdateStrategy<IHasBeamShearActions>
+    {
+
+        private Dictionary<(Guid id, Type type), ISaveable> referenceDictionary;
+        private IShiftTraceLogger traceLogger;
+        public HasBeamShearActionsToDTOUpdateStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+        {
+            this.referenceDictionary = referenceDictionary;
+            this.traceLogger = traceLogger;
+        }
+
+        public void Update(IHasBeamShearActions targetObject, IHasBeamShearActions sourceObject)
+        {
+            CheckObject.ThrowIfNull(targetObject);
+            CheckObject.ThrowIfNull(sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            CheckObject.ThrowIfNull(sourceObject.Actions);
+            CheckObject.ThrowIfNull(targetObject.Actions);
+            targetObject.Actions.Clear();
+            foreach (var action in sourceObject.Actions)
+            {
+                var convertStrategy = new DictionaryConvertStrategy<BeamShearActionDTO, IBeamShearAction>(
+                    referenceDictionary,
+                    traceLogger,
+                    new BeamShearActionToDTOConvertStrategy(referenceDictionary, traceLogger));
+                var newAction = convertStrategy.Convert(action);
+                targetObject.Actions.Add(newAction);
+            }
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/HasBeamShearCalculatorsFromDTOUpdateStrategy.cs

@@ -0,0 +1,64 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperCommon.Services;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    internal class HasBeamShearCalculatorsFromDTOUpdateStrategy : IUpdateStrategy<IHasCalculators>
+    {
+        private Dictionary<(Guid id, Type type), ISaveable> referenceDictionary;
+        private IShiftTraceLogger traceLogger;
+
+        public HasBeamShearCalculatorsFromDTOUpdateStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+        {
+            this.referenceDictionary = referenceDictionary;
+            this.traceLogger = traceLogger;
+        }
+
+        public void Update(IHasCalculators targetObject, IHasCalculators sourceObject)
+        {
+            CheckObject.ThrowIfNull(targetObject);
+            CheckObject.ThrowIfNull(sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            CheckObject.ThrowIfNull(sourceObject.Calculators);
+            CheckObject.ThrowIfNull(targetObject.Calculators);
+            targetObject.Calculators.Clear();
+            List<ICalculator> calculators = GetCalculators(sourceObject.Calculators);
+            targetObject.Calculators.AddRange(calculators);
+        }
+
+        private List<ICalculator> GetCalculators(IEnumerable<ICalculator> sourceCalculators)
+        {
+            List<ICalculator> calculators = new();
+            foreach (var calculator in sourceCalculators)
+            {
+                ICalculator newCalculator = ProcessCalculator(calculator);
+                calculators.Add(newCalculator);
+            }
+            return calculators;
+        }
+
+        private ICalculator ProcessCalculator(ICalculator calculator)
+        {
+            if (calculator is BeamShearCalculatorDTO shearCalculator)
+            {
+                return ProcessShearCalculator(shearCalculator);
+            }
+            else
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(calculator));
+            }
+        }
+
+        private ICalculator ProcessShearCalculator(BeamShearCalculatorDTO shearCalculator)
+        {
+            traceLogger?.AddMessage("Calcultor is beam shear calculator", TraceLogStatuses.Debug);
+            var convertStrategy = new DictionaryConvertStrategy<BeamShearCalculator, BeamShearCalculatorDTO>
+                (referenceDictionary, traceLogger, new BeamShearCalculatorFromDTOConvertStrategy(referenceDictionary, traceLogger));
+            return convertStrategy.Convert(shearCalculator);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/HasBeamShearCalculatorsToDTOUpdateStrategy.cs

@@ -0,0 +1,64 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperCommon.Services;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    public class HasBeamShearCalculatorsToDTOUpdateStrategy : IUpdateStrategy<IHasCalculators>
+    {
+        private Dictionary<(Guid id, Type type), ISaveable> referenceDictionary;
+        private IShiftTraceLogger traceLogger;
+
+        public HasBeamShearCalculatorsToDTOUpdateStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+        {
+            this.referenceDictionary = referenceDictionary;
+            this.traceLogger = traceLogger;
+        }
+
+        public void Update(IHasCalculators targetObject, IHasCalculators sourceObject)
+        {
+            CheckObject.ThrowIfNull(targetObject);
+            CheckObject.ThrowIfNull(sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            CheckObject.ThrowIfNull(sourceObject.Calculators);
+            CheckObject.ThrowIfNull(targetObject.Calculators);
+            targetObject.Calculators.Clear();
+            List<ICalculator> calculators = GetCalculators(sourceObject.Calculators);
+            targetObject.Calculators.AddRange(calculators);
+        }
+
+        private List<ICalculator> GetCalculators(IEnumerable<ICalculator> sourceCalculators)
+        {
+            List<ICalculator> calculators = new();
+            foreach (var calculator in sourceCalculators)
+            {
+                ICalculator newCalculator = ProcessCalculator(calculator);
+                calculators.Add(newCalculator);
+            }
+            return calculators;
+        }
+
+        private ICalculator ProcessCalculator(ICalculator calculator)
+        {
+            if (calculator is IBeamShearCalculator shearCalculator)
+            {
+                return ProcessShearCalculator(shearCalculator);
+            }
+            else
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(calculator));
+            }
+        }
+
+        private ICalculator ProcessShearCalculator(IBeamShearCalculator shearCalculator)
+        {
+            traceLogger?.AddMessage("Calcultor is beam shear calculator", TraceLogStatuses.Debug);
+            var convertStrategy = new DictionaryConvertStrategy<BeamShearCalculatorDTO, IBeamShearCalculator>
+                (referenceDictionary, traceLogger, new BeamShearCalculatorToDTOConvertStrategy(referenceDictionary, traceLogger));
+            return convertStrategy.Convert(shearCalculator);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/HasBeamShearSectionsFromDTOUpdateStrategy.cs

@@ -0,0 +1,51 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Services;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    public class HasBeamShearSectionsFromDTOUpdateStrategy : IUpdateStrategy<IHasBeamShearSections>
+    {
+        private Dictionary<(Guid id, Type type), ISaveable> referenceDictionary;
+        private IShiftTraceLogger traceLogger;
+        private IConvertStrategy<BeamShearSection, BeamShearSectionDTO> convertStrategy;
+
+        public HasBeamShearSectionsFromDTOUpdateStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+        {
+            this.referenceDictionary = referenceDictionary;
+            this.traceLogger = traceLogger;
+        }
+
+        public void Update(IHasBeamShearSections targetObject, IHasBeamShearSections sourceObject)
+        {
+            CheckObject.ThrowIfNull(targetObject);
+            CheckObject.ThrowIfNull(sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            CheckObject.ThrowIfNull(sourceObject.Sections);
+            CheckObject.ThrowIfNull(targetObject.Sections);
+            targetObject.Sections.Clear();
+            foreach (var section in sourceObject.Sections)
+            {
+                targetObject.Sections.Add(ProcessSection(section));
+            }
+        }
+
+        private IBeamShearSection ProcessSection(IBeamShearSection section)
+        {
+            if (section is not BeamShearSectionDTO sectionDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(section));
+            }
+            InitializeStrategies();
+            return convertStrategy.Convert(sectionDTO);
+        }
+
+        private void InitializeStrategies()
+        {
+            convertStrategy ??= new DictionaryConvertStrategy<BeamShearSection, BeamShearSectionDTO>
+                (referenceDictionary, traceLogger, new BeamShearSectionFromDTOConvertStrategy(referenceDictionary, traceLogger));
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/HasBeamShearSectionsToDTORenameStrategy.cs

@@ -0,0 +1,42 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Services;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    public class HasBeamShearSectionsToDTORenameStrategy : IUpdateStrategy<IHasBeamShearSections>
+    {
+        private IConvertStrategy<BeamShearSectionDTO, IBeamShearSection> convertStrategy;
+        private Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; }
+        private IShiftTraceLogger TraceLogger { get; }
+
+        public HasBeamShearSectionsToDTORenameStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+        {
+            ReferenceDictionary = referenceDictionary;
+            TraceLogger = traceLogger;
+        }
+
+        public void Update(IHasBeamShearSections targetObject, IHasBeamShearSections sourceObject)
+        {
+            CheckObject.ThrowIfNull(targetObject);
+            CheckObject.ThrowIfNull(sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            CheckObject.ThrowIfNull(sourceObject.Sections);
+            CheckObject.ThrowIfNull(targetObject.Sections);
+            InitializeStrategies();
+            targetObject.Sections.Clear();
+            foreach (var section in sourceObject.Sections)
+            {
+                var newSection = convertStrategy.Convert(section);
+                targetObject.Sections.Add(newSection);
+            }
+        }
+
+        private void InitializeStrategies()
+        {
+            convertStrategy = new DictionaryConvertStrategy<BeamShearSectionDTO, IBeamShearSection>
+                (ReferenceDictionary, TraceLogger, new BeamShearSectionToDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/HasStirrupsFromDTOUpdateStrategy.cs

@@ -0,0 +1,105 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.VisualProperties;
+using StructureHelperCommon.Services;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    internal class HasStirrupsFromDTOUpdateStrategy : IUpdateStrategy<IHasStirrups>
+    {
+        private Dictionary<(Guid id, Type type), ISaveable> referenceDictionary;
+        private IShiftTraceLogger traceLogger;
+        private IUpdateStrategy<IHasVisualProperty> visualUpdateStrategy;
+
+        public HasStirrupsFromDTOUpdateStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+        {
+            this.referenceDictionary = referenceDictionary;
+            this.traceLogger = traceLogger;
+        }
+
+        public void Update(IHasStirrups targetObject, IHasStirrups sourceObject)
+        {
+            CheckObject.ThrowIfNull(targetObject);
+            CheckObject.ThrowIfNull(sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            CheckObject.ThrowIfNull(sourceObject.Stirrups);
+            CheckObject.ThrowIfNull(targetObject.Stirrups);
+            targetObject.Stirrups.Clear();
+            List<IStirrup> stirrups = GetStirrups(sourceObject.Stirrups);
+            targetObject.Stirrups.AddRange(stirrups);
+        }
+
+        private List<IStirrup> GetStirrups(IEnumerable<IStirrup> sourceStirrups)
+        {
+            List<IStirrup> stirrups = new();
+            foreach (var stirrup in sourceStirrups)
+            {
+                IStirrup newItem = ProcessStirrup(stirrup);
+                stirrups.Add(newItem);
+            }
+            return stirrups;
+        }
+
+        private IStirrup ProcessStirrup(IStirrup stirrup)
+        {
+            IStirrup newItem;
+            if (stirrup is StirrupByRebarDTO rebar)
+            {
+                newItem = ProcessRebar(rebar);
+            }
+            else if (stirrup is StirrupByDensityDTO density)
+            {
+                newItem = ProcessDensity(density);
+            }
+            else if (stirrup is StirrupGroupDTO stirrupGroup)
+            {
+                newItem = ProcessStirrupGroup(stirrupGroup);
+            }
+            else if (stirrup is StirrupByInclinedRebarDTO inclinedRebar)
+            {
+                newItem = ProcessInclinedRebar(inclinedRebar);
+            }
+            else
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(stirrup));
+            }
+            visualUpdateStrategy = new HasVisualPropertyFromDTOUpdateStrategy(referenceDictionary, traceLogger);
+            visualUpdateStrategy.Update(newItem, stirrup);
+            return newItem;
+        }
+
+        private IStirrup ProcessInclinedRebar(StirrupByInclinedRebarDTO inclinedRebar)
+        {
+            traceLogger?.AddMessage("Stirrup is stirrup by inclined rebar");
+            var convertStrategy = new DictionaryConvertStrategy<StirrupByInclinedRebar, IStirrupByInclinedRebar>
+                (referenceDictionary, traceLogger, new StirrupByInclinedRebarFromDTOConvertStrategy(referenceDictionary, traceLogger));
+            return convertStrategy.Convert(inclinedRebar);
+        }
+
+        private IStirrup ProcessStirrupGroup(StirrupGroupDTO stirrupGroup)
+        {
+            traceLogger?.AddMessage("Stirrup is stirrup group");
+            var convertStrategy = new DictionaryConvertStrategy<StirrupGroup, IStirrupGroup>
+                (referenceDictionary, traceLogger, new StirrupGroupFromDTOConvertStrategy(referenceDictionary, traceLogger));
+            return convertStrategy.Convert(stirrupGroup);
+        }
+
+        private StirrupByDensity ProcessDensity(StirrupByDensityDTO density)
+        {
+            traceLogger?.AddMessage("Stirrup is stirrup by density");
+            var convertStrategy = new DictionaryConvertStrategy<StirrupByDensity, StirrupByDensityDTO>
+                (referenceDictionary, traceLogger, new StirrupByDensityFromDTOConvertStrategy(referenceDictionary, traceLogger));
+            return convertStrategy.Convert(density);
+        }
+
+        private StirrupByRebar ProcessRebar(StirrupByRebarDTO rebar)
+        {
+            traceLogger?.AddMessage("Stirrup is stirrup by rebar");
+            var convertStrategy = new DictionaryConvertStrategy<StirrupByRebar, StirrupByRebarDTO>
+                (referenceDictionary, traceLogger, new StirrupByRebarFromDTOConvertStrategy(referenceDictionary, traceLogger));
+            return convertStrategy.Convert(rebar);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/HasStirrupsToDTOUpdateStrategy.cs

@@ -0,0 +1,106 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.VisualProperties;
+using StructureHelperCommon.Services;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    public class HasStirrupsToDTOUpdateStrategy : IUpdateStrategy<IHasStirrups>
+    {
+        private Dictionary<(Guid id, Type type), ISaveable> referenceDictionary;
+        private IShiftTraceLogger traceLogger;
+        private IUpdateStrategy<IHasVisualProperty> visualUpdateStrategy;
+
+        public HasStirrupsToDTOUpdateStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+        {
+            this.referenceDictionary = referenceDictionary;
+            this.traceLogger = traceLogger;
+        }
+
+        public void Update(IHasStirrups targetObject, IHasStirrups sourceObject)
+        {
+            CheckObject.ThrowIfNull(targetObject);
+            CheckObject.ThrowIfNull(sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            CheckObject.ThrowIfNull(sourceObject.Stirrups);
+            CheckObject.ThrowIfNull(targetObject.Stirrups);
+            targetObject.Stirrups.Clear();
+            List<IStirrup> stirrups = GetStirrups(sourceObject.Stirrups);
+            targetObject.Stirrups.AddRange(stirrups);
+        }
+
+        private List<IStirrup> GetStirrups(IEnumerable<IStirrup> sourceStirrups)
+        {
+            List<IStirrup> stirrups = new();
+            foreach (var stirrup in sourceStirrups)
+            {
+                IStirrup newItem = ProcessStirrup(stirrup);
+                stirrups.Add(newItem);
+            }
+            return stirrups;
+        }
+
+        private IStirrup ProcessStirrup(IStirrup stirrup)
+        {
+            traceLogger?.AddMessage($"Stirrup Id = {stirrup.Id} has been started", TraceLogStatuses.Debug);
+            IStirrup newItem;
+            if (stirrup is IStirrupByRebar rebar)
+            {
+                newItem = ProcessRebar(rebar);
+            }
+            else if (stirrup is IStirrupGroup group)
+            {
+                newItem = ProcessGroup(group);
+            }
+            else if (stirrup is IStirrupByInclinedRebar inclinatedRebar)
+            {
+                newItem = ProcessInclinatedRebar(inclinatedRebar);
+            }
+            else if (stirrup is IStirrupByDensity density)
+            {
+                newItem = ProcessDensity(density);
+            }
+            else
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(stirrup));
+            }
+            visualUpdateStrategy = new HasVisualPropertyToDTOUpdateStrategy(referenceDictionary, traceLogger);
+            visualUpdateStrategy.Update(newItem, stirrup);
+            return newItem;
+        }
+
+        private IStirrup ProcessInclinatedRebar(IStirrupByInclinedRebar inclinedRebar)
+        {
+            traceLogger?.AddMessage("Stirrup is inclined rebar");
+            var convertStrategy = new DictionaryConvertStrategy<StirrupByInclinedRebarDTO, IStirrupByInclinedRebar>
+                (referenceDictionary, traceLogger, new StirrupByInclinedRebarToDTOConvertStrategy(referenceDictionary, traceLogger));
+            return convertStrategy.Convert(inclinedRebar);
+        }
+
+        private IStirrup ProcessGroup(IStirrupGroup group)
+        {
+            traceLogger?.AddMessage("Stirrup is stirrup group");
+            var convertStrategy = new DictionaryConvertStrategy<StirrupGroupDTO, IStirrupGroup>
+                (referenceDictionary, traceLogger, new StirrupGroupToDTOConvertStrategy(referenceDictionary, traceLogger));
+            return convertStrategy.Convert(group);
+        }
+
+        private IStirrup ProcessDensity(IStirrupByDensity density)
+        {
+            traceLogger?.AddMessage("Stirrup is stirrup by density");
+            var convertStrategy = new DictionaryConvertStrategy<StirrupByDensityDTO, IStirrupByDensity>
+                (referenceDictionary, traceLogger, new StirrupByDensityToDTOConvertStrategy(referenceDictionary, traceLogger));
+            return convertStrategy.Convert(density);
+        }
+
+        private StirrupByRebarDTO ProcessRebar(IStirrupByRebar rebar)
+        {
+            traceLogger?.AddMessage("Stirrup is stirrup by rebar");
+            var convertStrategy = new DictionaryConvertStrategy<StirrupByRebarDTO, IStirrupByRebar>
+                (referenceDictionary, traceLogger, new StirrupByRebarToDTOConvertStrategy(referenceDictionary, traceLogger));
+            return convertStrategy.Convert(rebar);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/StirrupByDensityFromDTOConvertStrategy.cs

@@ -0,0 +1,24 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    internal class StirrupByDensityFromDTOConvertStrategy : ConvertStrategy<StirrupByDensity, StirrupByDensityDTO>
+    {
+        private IUpdateStrategy<IStirrupByDensity> updateStrategy;
+
+        public StirrupByDensityFromDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override StirrupByDensity GetNewItem(StirrupByDensityDTO source)
+        {
+            updateStrategy ??= new StirrupByDensityUpdateStrategy();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            return NewItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/StirrupByDensityToDTOConvertStrategy.cs

@@ -0,0 +1,44 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    public class StirrupByDensityToDTOConvertStrategy : ConvertStrategy<StirrupByDensityDTO, IStirrupByDensity>
+    {
+        private IUpdateStrategy<IStirrupByDensity> updateStrategy;
+
+        public StirrupByDensityToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override StirrupByDensityDTO GetNewItem(IStirrupByDensity source)
+        {
+            try
+            {
+                GetNewStirrup(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewStirrup(IStirrupByDensity source)
+        {
+            TraceLogger?.AddMessage($"Stirrup by density converting Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            TraceLogger?.AddMessage($"Stirrup by density converting Id = {NewItem.Id} has been finished succesfully", TraceLogStatuses.Debug);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new StirrupByDensityUpdateStrategy();
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/StirrupByInclinedRebarFromDTOConvertStrategy.cs

@@ -0,0 +1,35 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.Models.BeamShears;
+using StructureHelperLogics.Models.Materials;
+
+namespace DataAccess.DTOs
+{
+    public class StirrupByInclinedRebarFromDTOConvertStrategy : ConvertStrategy<StirrupByInclinedRebar, IStirrupByInclinedRebar>
+    {
+        private IUpdateStrategy<IStirrupByInclinedRebar> updateStrategy;
+        private IConvertStrategy<RebarSection, IRebarSection> rebarSectionConvertStrategy;
+
+        public StirrupByInclinedRebarFromDTOConvertStrategy(
+            Dictionary<(Guid id, Type type), ISaveable> referenceDictionary,
+            IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override StirrupByInclinedRebar GetNewItem(IStirrupByInclinedRebar source)
+        {
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.RebarSection = rebarSectionConvertStrategy.Convert(source.RebarSection);    
+            return NewItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new StirrupByInclinedRebarUpdateStrategy() { UpdateChildren = false};
+            rebarSectionConvertStrategy ??= new RebarSectionFromDTOConvertStrategy(this);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/StirrupByInclinedRebarToDTOConvertStrategy.cs

@@ -0,0 +1,36 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.VisualProperties;
+using StructureHelperLogics.Models.BeamShears;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class StirrupByInclinedRebarToDTOConvertStrategy : ConvertStrategy<StirrupByInclinedRebarDTO, IStirrupByInclinedRebar>
+    {
+        private IUpdateStrategy<IStirrupByInclinedRebar> updateStrategy;
+        private IConvertStrategy<RebarSectionDTO, IRebarSection> rebarConvertStrategy;
+        
+
+        public StirrupByInclinedRebarToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger) : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override StirrupByInclinedRebarDTO GetNewItem(IStirrupByInclinedRebar source)
+        {
+            TraceLogger?.AddMessage($"Stirrup by inclinated rebar converting Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            updateStrategy ??= new StirrupByInclinedRebarUpdateStrategy();
+            rebarConvertStrategy ??= new RebarSectionToDTOConvertStrategy(this);
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.RebarSection = rebarConvertStrategy.Convert(source.RebarSection);
+            TraceLogger?.AddMessage($"Stirrup by inclinated rebar converting Id = {NewItem.Id} has been finished succesfully", TraceLogStatuses.Debug);
+            return NewItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/StirrupByRebarFromDTOConvertStrategy.cs

@@ -0,0 +1,45 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.Models.BeamShears;
+using StructureHelperLogics.Models.Materials;
+
+namespace DataAccess.DTOs
+{
+    internal class StirrupByRebarFromDTOConvertStrategy : ConvertStrategy<StirrupByRebar, StirrupByRebarDTO>
+    {
+        private IUpdateStrategy<IStirrupByRebar> updateStrategy;
+        private IConvertStrategy<ReinforcementLibMaterial, ReinforcementLibMaterialDTO> reinforcementConvertStrategy;
+        private HelperMaterialDTOSafetyFactorUpdateStrategy safetyFactorUpdateStrategy;
+
+        public StirrupByRebarFromDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override StirrupByRebar GetNewItem(StirrupByRebarDTO source)
+        {
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            if (source.Material is not ReinforcementLibMaterialDTO reinforcement)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.Material));
+            }
+            NewItem.Material = reinforcementConvertStrategy.Convert(reinforcement);
+            safetyFactorUpdateStrategy.Update(NewItem.Material, source.Material);
+            return NewItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new StirrupByRebarUpdateStrategy();
+            reinforcementConvertStrategy = new ReinforcementLibMaterialFromDTOConvertStrategy()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger
+            };
+            safetyFactorUpdateStrategy = new HelperMaterialDTOSafetyFactorUpdateStrategy(new MaterialSafetyFactorsFromDTOLogic());
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/StirrupByRebarToDTOConvertStrategy.cs

@@ -0,0 +1,54 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.Models.BeamShears;
+
+namespace DataAccess.DTOs
+{
+    public class StirrupByRebarToDTOConvertStrategy : ConvertStrategy<StirrupByRebarDTO, IStirrupByRebar>
+    {
+        private IUpdateStrategy<IStirrupByRebar> updateStrategy;
+        private ReinforcementLibMaterialToDTOConvertStrategy reinforcementConvertStrategy;
+        private HelperMaterialDTOSafetyFactorUpdateStrategy safetyFactorUpdateStrategy;
+
+        public StirrupByRebarToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override StirrupByRebarDTO GetNewItem(IStirrupByRebar source)
+        {
+            try
+            {
+                GetNewStirrup(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewStirrup(IStirrupByRebar source)
+        {
+            TraceLogger?.AddMessage($"Stirrup by rebar converting Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.Material = reinforcementConvertStrategy.Convert(source.Material);
+            safetyFactorUpdateStrategy.Update(NewItem.Material, source.Material);
+            TraceLogger?.AddMessage($"Stirrup by rebar converting Id = {NewItem.Id} has been finished succesfully", TraceLogStatuses.Debug);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new StirrupByRebarUpdateStrategy();
+            reinforcementConvertStrategy = new ReinforcementLibMaterialToDTOConvertStrategy()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger
+            };
+            safetyFactorUpdateStrategy = new HelperMaterialDTOSafetyFactorUpdateStrategy(new MaterialSafetyFactorToDTOLogic());
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/StirrupGroupFromDTOConvertStrategy.cs

@@ -0,0 +1,37 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.Models.BeamShears;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class StirrupGroupFromDTOConvertStrategy : ConvertStrategy<StirrupGroup, IStirrupGroup>
+    {
+        private IUpdateStrategy<IStirrupGroup> updateStrategy;
+        private IUpdateStrategy<IHasStirrups> hasStirrupsUpdateStrategy;
+
+        public StirrupGroupFromDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger) : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override StirrupGroup GetNewItem(IStirrupGroup source)
+        {
+            InitializeStrategies();
+            ChildClass = this;
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            hasStirrupsUpdateStrategy.Update(NewItem, source);
+            return NewItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new StirrupGroupUpdateStrategy() { UpdateChildren = false};
+            hasStirrupsUpdateStrategy ??= new HasStirrupsFromDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+        }
+    }
+}

DataAccess/DTOs/Converters/BeamShears/StirrupGroupToDTOConvertStrategy.cs

@@ -0,0 +1,43 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.VisualProperties;
+using StructureHelperLogics.Models.BeamShears;
+using StructureHelperLogics.Models.BeamShears.Logics;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    internal class StirrupGroupToDTOConvertStrategy : ConvertStrategy<StirrupGroupDTO, IStirrupGroup>
+    {
+        private IUpdateStrategy<IStirrupGroup> updateStrategy;
+        private IUpdateStrategy<IHasStirrups> stirrupUpdateStrategy;
+
+
+        public StirrupGroupToDTOConvertStrategy(
+            Dictionary<(Guid id, Type type), ISaveable> referenceDictionary,
+            IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override StirrupGroupDTO GetNewItem(IStirrupGroup source)
+        {
+            InitializeStrategies();
+            ChildClass = this;
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            stirrupUpdateStrategy.Update(NewItem, source);
+            return NewItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new StirrupGroupUpdateStrategy() { UpdateChildren = false};
+            stirrupUpdateStrategy ??= new HasStirrupsToDTOUpdateStrategy(ReferenceDictionary, TraceLogger);
+        }
+    }
+}

DataAccess/DTOs/Converters/CalculatorToDTOConvertStrategy.cs

@@ -0,0 +1,116 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
+using StructureHelperLogics.NdmCalculations.Analyses.Curvatures;
+using StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams;
+using StructureHelperLogics.NdmCalculations.Cracking;
+
+namespace DataAccess.DTOs
+{
+    public class CalculatorToDTOConvertStrategy : IConvertStrategy<ICalculator, ICalculator>
+    {
+        private readonly IConvertStrategy<ForceCalculatorDTO, IForceCalculator> forceCalculatorStrategy;
+        private readonly IConvertStrategy<CrackCalculatorDTO, ICrackCalculator> crackCalculatorStrategy;
+
+
+
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+        public IShiftTraceLogger TraceLogger { get; set; }
+        public CalculatorToDTOConvertStrategy(
+            IConvertStrategy<ForceCalculatorDTO, IForceCalculator> forceCalculatorStrategy,
+            IConvertStrategy<CrackCalculatorDTO, ICrackCalculator> crackCalculatorStrategy)
+        {
+            this.forceCalculatorStrategy = forceCalculatorStrategy;
+            this.crackCalculatorStrategy = crackCalculatorStrategy;
+        }
+
+        public CalculatorToDTOConvertStrategy() : this (
+            new ForceCalculatorToDTOConvertStrategy(),
+            new CrackCalculatorToDTOConvertStrategy())
+        {
+            
+        }
+
+        public ICalculator Convert(ICalculator source)
+        {
+            try
+            {
+                return ProcessCalculators(source);
+            }
+            catch (Exception ex)
+            {
+                TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Error);
+                TraceLogger?.AddMessage(ex.Message, TraceLogStatuses.Error);
+                throw;
+            }
+        }
+
+        private ICalculator ProcessCalculators(ICalculator source)
+        {
+            if (source is IForceCalculator forceCalculator)
+            {
+                return ProcessForceCalculator(forceCalculator);
+            }
+            if (source is ICrackCalculator crackCalculator)
+            {
+                return ProcessCrackCalculator(crackCalculator);
+            }
+            if (source is LimitCurvesCalculator limitCalculator)
+            {
+                TraceLogger?.AddMessage($"Current version of StructureHelper does not suppurt saving interaction diagram calculator, {limitCalculator.Name} was ignored");
+            }
+            if (source is IValueDiagramCalculator valueDiagramCalculator)
+            {
+                return ProcessValueDiagramCalcualtor(valueDiagramCalculator);
+            }
+            if (source is CurvatureCalculator curvatureCalculator)
+            {
+                return ProcessCurvatureCalcualtor(curvatureCalculator);
+            }
+            string errorString = ErrorStrings.ObjectTypeIsUnknownObj(source);
+            TraceLogger?.AddMessage(errorString, TraceLogStatuses.Error);
+            throw new StructureHelperException(errorString);
+        }
+
+        private ICalculator ProcessCurvatureCalcualtor(CurvatureCalculator calculator)
+        {
+            var convertStrategy = new CurvatureCalculatorToDTOConvertStrategy()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger,
+            };
+            var dictionaryConvertStrategy = new DictionaryConvertStrategy<CurvatureCalculatorDTO, ICurvatureCalculator>(this, convertStrategy);
+            return dictionaryConvertStrategy.Convert(calculator);
+        }
+
+        private ValueDiagramCalculatorDTO ProcessValueDiagramCalcualtor(IValueDiagramCalculator valueDiagramCalculator)
+        {
+            var convertStrategy = new ValueDiagramCalculatorToDTOConvertStrategy()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger
+            };
+            var dictionaryConvertStrategy = new DictionaryConvertStrategy<ValueDiagramCalculatorDTO, IValueDiagramCalculator>(this, convertStrategy);
+            return dictionaryConvertStrategy.Convert(valueDiagramCalculator);
+        }
+
+        private CrackCalculatorDTO ProcessCrackCalculator(ICrackCalculator crackCalculator)
+        {
+            crackCalculatorStrategy.ReferenceDictionary = ReferenceDictionary;
+            crackCalculatorStrategy.TraceLogger = TraceLogger;
+            var logic = new DictionaryConvertStrategy<CrackCalculatorDTO, ICrackCalculator>(this, crackCalculatorStrategy);
+            return logic.Convert(crackCalculator);
+        }
+
+        private ForceCalculatorDTO ProcessForceCalculator(IForceCalculator forceCalculator)
+        {
+            forceCalculatorStrategy.ReferenceDictionary = ReferenceDictionary;
+            forceCalculatorStrategy.TraceLogger = TraceLogger;
+            var logic = new DictionaryConvertStrategy<ForceCalculatorDTO, IForceCalculator>(this, forceCalculatorStrategy);
+            return logic.Convert(forceCalculator);
+        }
+    }
+}

DataAccess/DTOs/Converters/CalculatorsFromDTOConvertStrategy.cs

@@ -0,0 +1,95 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
+using StructureHelperLogics.NdmCalculations.Analyses.Curvatures;
+using StructureHelperLogics.NdmCalculations.Analyses.ValueDiagrams;
+using StructureHelperLogics.NdmCalculations.Cracking;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class CalculatorsFromDTOConvertStrategy : ConvertStrategy<ICalculator, ICalculator>
+    {
+        private const string CalculatorIs = "Calculator is";
+        private IConvertStrategy<ForceCalculator, ForceCalculatorDTO> forceConvertStrategy = new ForceCalculatorFromDTOConvertStrategy();
+        private IConvertStrategy<CrackCalculator, CrackCalculatorDTO> crackConvertStrategy = new CrackCalculatorFromDTOConvertStrategy();
+
+        public override ICalculator GetNewItem(ICalculator source)
+        {
+            NewItem = GetNewCalculator(source);
+            TraceLogger?.AddMessage($"Calculator Id = {NewItem.Id}, Name = {NewItem.Name} has been obtained");
+            return NewItem;
+        }
+
+        private ICalculator GetNewCalculator(ICalculator source)
+        {
+            if (source is IForceCalculator forceCalculator)
+            {
+                TraceLogger?.AddMessage($"{CalculatorIs} force calculator");
+                IForceCalculator calculator = GetForcCalculator(forceCalculator);
+                return calculator;
+            }
+            if (source is ICrackCalculator crackCalculator)
+            {
+                TraceLogger?.AddMessage($"{CalculatorIs} crack calculator");
+                ICrackCalculator calculator = GetCrackCalculator(crackCalculator);
+                return calculator;
+            }
+            if (source is ValueDiagramCalculatorDTO valueDiagramCalculator)
+            {
+                TraceLogger?.AddMessage($"{CalculatorIs} value digram calculator");
+                return GetValueDiagramCalculator(valueDiagramCalculator);
+            }
+            if (source is CurvatureCalculatorDTO curvatureCalculator)
+            {
+                TraceLogger?.AddMessage($"{CalculatorIs} curvature calculator");
+                return GetCurvatureCalculator(curvatureCalculator);
+            }
+            string errorString = ErrorStrings.ObjectTypeIsUnknownObj(source);
+            TraceLogger.AddMessage(errorString, TraceLogStatuses.Error);
+            throw new StructureHelperException(errorString);
+        }
+
+        private CurvatureCalculator GetCurvatureCalculator(CurvatureCalculatorDTO calculator)
+        {
+            var convertStrategy = new CurvatureCalculatorFromDTOConvertStrategy()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger,
+            };
+            return convertStrategy.Convert(calculator);
+        }
+
+        private ValueDiagramCalculator GetValueDiagramCalculator(ValueDiagramCalculatorDTO valueDiagramCalculator)
+        {
+            var convertStrategy = new ValueDiagramCalcualtorFromDTOConvertStrategy()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger,
+            };
+            return convertStrategy.Convert(valueDiagramCalculator);
+        }
+
+        private ICrackCalculator GetCrackCalculator(ICrackCalculator crackCalculator)
+        {
+            crackConvertStrategy.ReferenceDictionary = ReferenceDictionary;
+            crackConvertStrategy.TraceLogger = TraceLogger;
+            CrackCalculator newItem = crackConvertStrategy.Convert(crackCalculator as CrackCalculatorDTO);
+            return newItem;
+        }
+
+        private IForceCalculator GetForcCalculator(IForceCalculator forceCalculator)
+        {
+            forceConvertStrategy.ReferenceDictionary = ReferenceDictionary;
+            forceConvertStrategy.TraceLogger = TraceLogger;
+            ForceCalculator newItem = forceConvertStrategy.Convert(forceCalculator as ForceCalculatorDTO);
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/ColumnFilePropertyFromDTOConvertStrategy.cs

@@ -0,0 +1,25 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Loggers;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class ColumnFilePropertyFromDTOConvertStrategy : ConvertStrategy<ColumnFileProperty, ColumnFilePropertyDTO>
+    {
+        private IUpdateStrategy<IColumnFileProperty> updateStrategy;
+        public override ColumnFileProperty GetNewItem(ColumnFilePropertyDTO source)
+        {
+            TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Debug);
+            updateStrategy ??= new ColumnFilePropertyUpdateStrategy();
+            ColumnFileProperty newItem = new(source.Id, source.Name);
+            updateStrategy.Update(newItem, source);
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/ColumnFilePropertyToDTOConvertStrategy.cs

@@ -0,0 +1,30 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+
+namespace DataAccess.DTOs
+{
+    public class ColumnFilePropertyToDTOConvertStrategy : ConvertStrategy<ColumnFilePropertyDTO, IColumnFileProperty>
+    {
+        private IUpdateStrategy<IColumnFileProperty> updateStrategy;
+
+        public ColumnFilePropertyToDTOConvertStrategy(IUpdateStrategy<IColumnFileProperty> updateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+        }
+
+        public ColumnFilePropertyToDTOConvertStrategy()
+        {
+            
+        }
+
+        public override ColumnFilePropertyDTO GetNewItem(IColumnFileProperty source)
+        {
+            TraceLogger?.AddMessage($"Column file property Id={source.Id} converting to {typeof(ColumnFilePropertyDTO)} has been started");
+            updateStrategy ??= new ColumnFilePropertyUpdateStrategy();
+            ColumnFilePropertyDTO newItem = new(source.Id);
+            updateStrategy.Update(newItem, source);
+            TraceLogger?.AddMessage($"Column file property Id={source.Id} converting to {typeof(ColumnFilePropertyDTO)} has been finished");
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/ColumnedFilePropertyFromDTOConvertStrategy.cs

@@ -0,0 +1,58 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Loggers;
+
+namespace DataAccess.DTOs
+{
+    public class ColumnedFilePropertyFromDTOConvertStrategy : ConvertStrategy<ColumnedFileProperty, ColumnedFilePropertyDTO>
+    {
+        private IUpdateStrategy<IColumnedFileProperty>? updateStrategy;
+        private IConvertStrategy<ColumnFileProperty, ColumnFilePropertyDTO>? columnConvertStrategy;
+        public override ColumnedFileProperty GetNewItem(ColumnedFilePropertyDTO source)
+        {
+            TraceLogger?.AddMessage($"Converting of columned file property Path={source.FilePath} has been started");
+            InitializeStrategies();
+            try
+            {
+                ColumnedFileProperty newItem = GetFilePropertyBySource(source);
+                TraceLogger?.AddMessage($"Converting of columned file property Path={newItem.FilePath} has been finished successfully");
+                return newItem;
+            }
+            catch (Exception ex)
+            {
+                TraceLogger?.AddMessage($"Logic: {LoggerStrings.LogicType(this)} made error: {ex.Message}", TraceLogStatuses.Error);
+                throw;
+            }
+        }
+
+        private ColumnedFileProperty GetFilePropertyBySource(ColumnedFilePropertyDTO source)
+        {
+            ColumnedFileProperty newItem = new(source.Id);
+            updateStrategy?.Update(newItem, source);
+            newItem.ColumnProperties.Clear();
+            foreach (var item in source.ColumnProperties)
+            {
+                if (item is ColumnFilePropertyDTO columnPropertyDTO)
+                {
+                    ColumnFileProperty columnFileProperty = columnConvertStrategy.Convert(columnPropertyDTO);
+                    newItem.ColumnProperties.Add(columnFileProperty);
+                }
+                else
+                {
+                    string errorString = ErrorStrings.ExpectedWas(typeof(ColumnFilePropertyDTO), item);
+                    TraceLogger?.AddMessage(errorString, TraceLogStatuses.Error);
+                    throw new StructureHelperException(errorString);
+                }
+            }
+
+            return newItem;
+        }
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new ColumnedFilePropertyUpdateStrategy();
+            columnConvertStrategy ??= new ColumnFilePropertyFromDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+        }
+    }
+}

DataAccess/DTOs/Converters/ColumnedFilePropertyToDTOConvertStrategy.cs

@@ -0,0 +1,52 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Loggers;
+
+namespace DataAccess.DTOs
+{
+    /// <inheritdoc/>
+    public class ColumnedFilePropertyToDTOConvertStrategy : ConvertStrategy<ColumnedFilePropertyDTO, IColumnedFileProperty>
+    {
+        private IUpdateStrategy<IColumnedFileProperty>? updateStrategy;
+        private IConvertStrategy<ColumnFilePropertyDTO, IColumnFileProperty>? columnConvertStrategy;
+
+        public override ColumnedFilePropertyDTO GetNewItem(IColumnedFileProperty source)
+        {
+            TraceLogger?.AddMessage($"Columned file property Id = {source.Id}, Path = {source.FilePath} converting has been started");
+            InitializeStrategies();
+            try
+            {
+                ColumnedFilePropertyDTO newItem = GetNewItemBySource(source);
+                TraceLogger?.AddMessage($"Columned file property Id={newItem.Id}, Path = {newItem.FilePath} converting has been finished successfully");
+                return newItem;
+            }
+            catch (Exception ex)
+            {
+                TraceLogger?.AddMessage($"Logic: {LoggerStrings.LogicType(this)} made error: {ex.Message}", TraceLogStatuses.Error);
+                throw;
+            }
+
+        }
+
+        private ColumnedFilePropertyDTO GetNewItemBySource(IColumnedFileProperty source)
+        {
+            ColumnedFilePropertyDTO newItem = new(source.Id);
+            updateStrategy?.Update(newItem, source);
+            newItem.ColumnProperties.Clear();
+            foreach (var item in source.ColumnProperties)
+            {
+                ColumnFilePropertyDTO columnFilePropertyDTO = columnConvertStrategy.Convert(item);
+                newItem.ColumnProperties.Add(columnFilePropertyDTO);
+            }
+
+            return newItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new ColumnedFilePropertyUpdateStrategy();
+            columnConvertStrategy ??= new ColumnFilePropertyToDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger};
+        }
+    }
+}

DataAccess/DTOs/Converters/ConvertDirection.cs

@@ -0,0 +1,8 @@
+namespace DataAccess.DTOs
+{
+    public enum ConvertDirection
+    {
+        FromDTO,
+        ToDTO
+    }
+}

DataAccess/DTOs/Converters/Curvatures/CurvatureCalculatorFromDTOConvertStrategy.cs

@@ -0,0 +1,29 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.NdmCalculations.Analyses.Curvatures;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace DataAccess.DTOs
+{
+    public class CurvatureCalculatorFromDTOConvertStrategy : ConvertStrategy<CurvatureCalculator, CurvatureCalculatorDTO>
+    {
+        IUpdateStrategy<ICurvatureCalculator> updateStrategy;
+        IConvertStrategy<CurvatureCalculatorInputData, CurvatureCalculatorInputDataDTO> inputDataConvertStrategy;
+        IUpdateStrategy<ICurvatureCalculator> UpdateStrategy => updateStrategy ??= new CurvatureCalculatorUpdateStrategy() { UpdateChildren = false };
+        IConvertStrategy<CurvatureCalculatorInputData, CurvatureCalculatorInputDataDTO> InputDataConvertStrategy => inputDataConvertStrategy ??= new CurvatureCalculatorInputDataFromDTOConvertStrategy(this);
+
+        public override CurvatureCalculator GetNewItem(CurvatureCalculatorDTO source)
+        {
+            NewItem = new(source.Id);
+            UpdateStrategy.Update(NewItem, source);
+            if (source.InputData is not CurvatureCalculatorInputDataDTO inputData)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.InputData) + ": deflection factor");
+            }
+            NewItem.InputData = InputDataConvertStrategy.Convert(inputData);
+            return NewItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/Curvatures/CurvatureCalculatorInputDataFromDTOConvertStrategy.cs

@@ -0,0 +1,45 @@
+using DataAccess.DTOs.Converters;
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.NdmCalculations.Analyses.Curvatures;
+using StructureHelperLogics.NdmCalculations.Primitives;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace DataAccess.DTOs
+{
+    public class CurvatureCalculatorInputDataFromDTOConvertStrategy : ConvertStrategy<CurvatureCalculatorInputData, CurvatureCalculatorInputDataDTO>
+    {
+        private IProcessLogic<IHasForcesAndPrimitives> forcesAndPrimitivesProcessLogic;
+        private IUpdateStrategy<ICurvatureCalculatorInputData> updateStrategy;
+        private IConvertStrategy<DeflectionFactor, DeflectionFactorDTO> deflectionConvertStrategy;
+        private IProcessLogic<IHasForcesAndPrimitives> ForcesAndPrimitivesProcessLogic => forcesAndPrimitivesProcessLogic ??= new HasForcesAndPrimitivesProcessLogic(ConvertDirection.FromDTO) { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+        private IUpdateStrategy<ICurvatureCalculatorInputData> UpdateStrategy => updateStrategy ??= new CurvatureCalculatorInputDataUpdateStrategy() { UpdateChildren = false };
+        private IConvertStrategy<DeflectionFactor, DeflectionFactorDTO> DeflectionConvertStrategy => deflectionConvertStrategy ??= new DeflectionFactorFromDTOConvertStrategy(this);
+        public CurvatureCalculatorInputDataFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+        public override CurvatureCalculatorInputData GetNewItem(CurvatureCalculatorInputDataDTO source)
+        {
+            ChildClass = this;
+            NewItem = new(source.Id);
+            UpdateStrategy.Update(NewItem, source);
+            if (source.DeflectionFactor is not DeflectionFactorDTO deflectionFactorDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.DeflectionFactor) + ": deflection factor");
+            }
+            NewItem.DeflectionFactor = DeflectionConvertStrategy.Convert(deflectionFactorDTO);
+            ProcessForcesAndPrimitives(source);
+            return NewItem;
+        }
+
+
+        private void ProcessForcesAndPrimitives(IHasForcesAndPrimitives source)
+        {
+            ForcesAndPrimitivesProcessLogic.Source = source;
+            ForcesAndPrimitivesProcessLogic.Target = NewItem;
+            ForcesAndPrimitivesProcessLogic.Process();
+        }
+    }
+}

DataAccess/DTOs/Converters/Curvatures/CurvatureCalculatorInputDataToDTOConvertStrategy.cs

@@ -0,0 +1,39 @@
+using DataAccess.DTOs.Converters;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.NdmCalculations.Analyses.Curvatures;
+using StructureHelperLogics.NdmCalculations.Primitives;
+
+namespace DataAccess.DTOs
+{
+    public class CurvatureCalculatorInputDataToDTOConvertStrategy : ConvertStrategy<CurvatureCalculatorInputDataDTO, ICurvatureCalculatorInputData>
+    {
+        private IProcessLogic<IHasForcesAndPrimitives> actionsProcessLogic;
+        private IUpdateStrategy<ICurvatureCalculatorInputData> updateStrategy;
+        private IConvertStrategy<DeflectionFactorDTO, IDeflectionFactor> deflectionConvertStrategy; 
+
+        private IProcessLogic<IHasForcesAndPrimitives> ForceAndPrimitivesLogic => actionsProcessLogic ??= new HasForcesAndPrimitivesProcessLogic(ConvertDirection.ToDTO) { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+        private IUpdateStrategy<ICurvatureCalculatorInputData> UpdateStrategy => updateStrategy ??= new CurvatureCalculatorInputDataUpdateStrategy() { UpdateChildren = false};
+        private IConvertStrategy<DeflectionFactorDTO, IDeflectionFactor> DeflectionConvertStrategy => deflectionConvertStrategy ??= new DeflectionFactorToDTOConvertStrategy(this); 
+
+        public CurvatureCalculatorInputDataToDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override CurvatureCalculatorInputDataDTO GetNewItem(ICurvatureCalculatorInputData source)
+        {
+            ChildClass = this;
+            NewItem = new(source.Id);
+            UpdateStrategy.Update(NewItem, source);
+            NewItem.DeflectionFactor = DeflectionConvertStrategy.Convert(source.DeflectionFactor);
+            ProcessActions(source);
+            return NewItem;
+        }
+
+        private void ProcessActions(IHasForcesAndPrimitives source)
+        {
+            ForceAndPrimitivesLogic.Source = source;
+            ForceAndPrimitivesLogic.Target = NewItem;
+            ForceAndPrimitivesLogic.Process();
+        }
+    }
+}

DataAccess/DTOs/Converters/Curvatures/CurvatureCalculatorToDTOConvertStrategy.cs

@@ -0,0 +1,22 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.NdmCalculations.Analyses.Curvatures;
+
+namespace DataAccess.DTOs
+{
+    public class CurvatureCalculatorToDTOConvertStrategy : ConvertStrategy<CurvatureCalculatorDTO, ICurvatureCalculator>
+    {
+        IUpdateStrategy<ICurvatureCalculator> updateStrategy;
+        IConvertStrategy<CurvatureCalculatorInputDataDTO, ICurvatureCalculatorInputData> inputDataConvertStrategy;
+        IUpdateStrategy<ICurvatureCalculator> UpdateStrategy => updateStrategy ??= new CurvatureCalculatorUpdateStrategy() { UpdateChildren = false};
+        IConvertStrategy<CurvatureCalculatorInputDataDTO, ICurvatureCalculatorInputData> InputDataConvertStrategy => inputDataConvertStrategy ??= new CurvatureCalculatorInputDataToDTOConvertStrategy(this);
+        
+
+        public override CurvatureCalculatorDTO GetNewItem(ICurvatureCalculator source)
+        {
+            NewItem = new(source.Id);
+            UpdateStrategy.Update(NewItem, source);
+            NewItem.InputData = InputDataConvertStrategy.Convert(source.InputData);
+            return NewItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/Curvatures/DeflectionFactorFromDTOConvertStrategy.cs

@@ -0,0 +1,37 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperLogics.NdmCalculations.Analyses.Curvatures;
+
+namespace DataAccess.DTOs
+{
+    public class DeflectionFactorFromDTOConvertStrategy : ConvertStrategy<DeflectionFactor, DeflectionFactorDTO>
+    {
+        private IUpdateStrategy<IDeflectionFactor> updateStrategy;
+        private IConvertStrategy<ForceTuple, ForceTupleDTO> forceTupleConvertStrategy;
+
+        public DeflectionFactorFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        private IUpdateStrategy<IDeflectionFactor> UpdateStrategy => updateStrategy ??= new DeflectionFactorUpdateStrategy() { UpdateChildren = false };
+        private IConvertStrategy<ForceTuple, ForceTupleDTO> ForceTupleConvertStrategy => forceTupleConvertStrategy ??= new ForceTupleFromDTOConvertStrategy(ReferenceDictionary, TraceLogger);
+
+        public override DeflectionFactor GetNewItem(DeflectionFactorDTO source)
+        {
+            NewItem = new(source.Id);
+            UpdateStrategy.Update(NewItem, source);
+            if (source.DeflectionFactors is not ForceTupleDTO deflectionFactor)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.DeflectionFactors) + ": deflection factor");
+            }
+            NewItem.DeflectionFactors = ForceTupleConvertStrategy.Convert(deflectionFactor);
+            if (source.MaxDeflections is not ForceTupleDTO maxDeflections)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.MaxDeflections) + ": maximum deflections");
+            }
+            NewItem.MaxDeflections = ForceTupleConvertStrategy.Convert(maxDeflections);
+            return NewItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/Curvatures/DeflectionFactorToDTOConvertStrategy.cs

@@ -0,0 +1,26 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperLogics.NdmCalculations.Analyses.Curvatures;
+
+namespace DataAccess.DTOs
+{
+    public class DeflectionFactorToDTOConvertStrategy : ConvertStrategy<DeflectionFactorDTO, IDeflectionFactor>
+    {
+        private IUpdateStrategy<IDeflectionFactor> updateStrategy;
+        private IConvertStrategy<ForceTupleDTO, IForceTuple> forceTupleConvertStrategy;
+        private IUpdateStrategy<IDeflectionFactor> UpdateStrategy => updateStrategy??= new DeflectionFactorUpdateStrategy() { UpdateChildren = false};
+        private IConvertStrategy<ForceTupleDTO, IForceTuple> ForceTupleConvertStrategy => forceTupleConvertStrategy ??= new ForceTupleToDTOConvertStrategy(ReferenceDictionary, TraceLogger);
+
+        public DeflectionFactorToDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+        public override DeflectionFactorDTO GetNewItem(IDeflectionFactor source)
+        {
+            NewItem = new(source.Id);
+            UpdateStrategy.Update(NewItem, source);
+            NewItem.DeflectionFactors = ForceTupleConvertStrategy.Convert(source.DeflectionFactors);
+            NewItem.MaxDeflections = ForceTupleConvertStrategy.Convert(source.MaxDeflections);
+            return NewItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/DateVersionFromDTOConvertStrategy.cs

@@ -0,0 +1,43 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Analyses;
+using StructureHelperCommon.Models.Loggers;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class DateVersionFromDTOConvertStrategy : ConvertStrategy<IDateVersion, IDateVersion>
+    {
+        private IUpdateStrategy<IDateVersion> updateStrategy;
+        private IConvertStrategy<ISaveable, ISaveable> convertStrategy;
+        private IConvertStrategy<ISaveable, ISaveable> convertLogic;
+
+        public override IDateVersion GetNewItem(IDateVersion source)
+        {
+            ChildClass = this;
+            return GetDateVersion(source);
+        }
+
+        private DateVersion GetDateVersion(IDateVersion source)
+        {
+            TraceLogger?.AddMessage("Date version converting is started", TraceLogStatuses.Service);
+            InitializeStrategies();
+            DateVersion newItem = new(source.Id);
+            updateStrategy.Update(newItem, source);
+            newItem.AnalysisVersion = convertLogic.Convert(source.AnalysisVersion);
+            TraceLogger?.AddMessage($"Date version date = {newItem.DateTime} converting has been finished", TraceLogStatuses.Service);
+            return newItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new DateVersionUpdateStrategy();
+            convertLogic = new DictionaryConvertStrategy<ISaveable, ISaveable>
+                (this, new VersionItemFromDTOConvertStrategy(this));
+        }
+    }
+}

DataAccess/DTOs/Converters/DateVersionToDTOConvertStrategy.cs

@@ -0,0 +1,58 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Analyses;
+
+//Copyright (c) 2025 Redikultsev Evgeny, Ekaterinburg, Russia
+//All rights reserved.
+
+namespace DataAccess.DTOs
+{
+    public class DateVersionToDTOConvertStrategy : ConvertStrategy<DateVersionDTO, IDateVersion>
+    {
+        private IUpdateStrategy<IDateVersion> updateStrategy;
+        private DictionaryConvertStrategy<ISaveable, ISaveable> convertStrategy;
+
+        public DateVersionToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override DateVersionDTO GetNewItem(IDateVersion source)
+        {
+            try
+            {
+                GetNewDateVersion(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewDateVersion(IDateVersion source)
+        {
+            TraceLogger?.AddMessage("Date version converting is started", TraceLogStatuses.Debug);
+            InitializeStrategies();
+            NewItem = new()
+            {
+                Id = source.Id
+            };
+            updateStrategy.Update(NewItem, source);
+            NewItem.AnalysisVersion = convertStrategy.Convert(source.AnalysisVersion);
+            TraceLogger?.AddMessage("Date version converting has been finished", TraceLogStatuses.Service);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new DateVersionUpdateStrategy();
+            convertStrategy = new DictionaryConvertStrategy<ISaveable, ISaveable>()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger,
+                ConvertStrategy = new VersionItemToDTOConvertStrategy(ReferenceDictionary, TraceLogger)
+            };
+        }
+    }
+}

DataAccess/DTOs/Converters/DesignForceTupleFromDTOConvertStrategy.cs

@@ -0,0 +1,56 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.Logics;
+using StructureHelperCommon.Models.Loggers;
+
+namespace DataAccess.DTOs
+{
+    public class DesignForceTupleFromDTOConvertStrategy : ConvertStrategy<DesignForceTuple, DesignForceTupleDTO>
+    {
+        private IUpdateStrategy<IDesignForceTuple> updateStrategy;
+        private IConvertStrategy<ForceTuple, ForceTupleDTO> forceTupleConvertStrategy;
+
+        public DesignForceTupleFromDTOConvertStrategy(
+            IUpdateStrategy<IDesignForceTuple> updateStrategy,
+            IConvertStrategy<ForceTuple, ForceTupleDTO> forceTupleConvertStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+            this.forceTupleConvertStrategy = forceTupleConvertStrategy;
+        }
+
+        public DesignForceTupleFromDTOConvertStrategy() : this(
+            new DesignForceTupleUpdateStrategy(),
+            new ForceTupleFromDTOConvertStrategy())
+        {
+            
+        }
+
+        public override DesignForceTuple GetNewItem(DesignForceTupleDTO source)
+        {
+            TraceLogger?.AddMessage("Design force tuple converting has been started");
+            try
+            {
+                DesignForceTuple newItem = GetNewItemBySource(source);
+                TraceLogger?.AddMessage("Design force tuple converting has been finished");
+                return newItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private DesignForceTuple GetNewItemBySource(DesignForceTupleDTO source)
+        {
+            DesignForceTuple newItem = new(source.Id);
+            updateStrategy.Update(newItem, source);
+            forceTupleConvertStrategy.ReferenceDictionary = ReferenceDictionary;
+            forceTupleConvertStrategy.TraceLogger = TraceLogger;
+            var convertLogic = new DictionaryConvertStrategy<ForceTuple, ForceTupleDTO>(this, forceTupleConvertStrategy);
+            newItem.ForceTuple = convertLogic.Convert((ForceTupleDTO)source.ForceTuple);
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/DesignForceTupleToDTOConvertStrategy.cs

@@ -0,0 +1,70 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.Logics;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperLogics.Models.CrossSections;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class DesignForceTupleToDTOConvertStrategy : IConvertStrategy<DesignForceTupleDTO, IDesignForceTuple>
+    {
+        private IUpdateStrategy<IDesignForceTuple> updateStrategy;
+        private IConvertStrategy<ForceTupleDTO, IForceTuple> forceTupleConvertStrategy;
+
+        public DesignForceTupleToDTOConvertStrategy(IUpdateStrategy<IDesignForceTuple> updateStrategy,
+            IConvertStrategy<ForceTupleDTO, IForceTuple> forceTupleConvertStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+            this.forceTupleConvertStrategy = forceTupleConvertStrategy;
+        }
+
+        public DesignForceTupleToDTOConvertStrategy() : this(
+            new DesignForceTupleUpdateStrategy(),
+            new ForceTupleToDTOConvertStrategy())
+        {
+            
+        }
+
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+        public IShiftTraceLogger TraceLogger { get; set; }
+
+        public DesignForceTupleDTO Convert(IDesignForceTuple source)
+        {
+            try
+            {
+                Check();
+                DesignForceTupleDTO designForceTupleDTO = GetNewDesignForceTuple(source);
+                return designForceTupleDTO;
+            }
+            catch (Exception ex)
+            {
+                TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Error);
+                TraceLogger?.AddMessage(ex.Message, TraceLogStatuses.Error);
+                throw;
+            }
+        }
+
+        private DesignForceTupleDTO GetNewDesignForceTuple(IDesignForceTuple source)
+        {
+            DesignForceTupleDTO newItem = new() { Id = source.Id };
+            updateStrategy.Update(newItem, source);
+            forceTupleConvertStrategy.ReferenceDictionary = ReferenceDictionary;
+            forceTupleConvertStrategy.TraceLogger = TraceLogger;
+            var convertLogic = new DictionaryConvertStrategy<ForceTupleDTO, IForceTuple>(this, forceTupleConvertStrategy);
+            newItem.ForceTuple = convertLogic.Convert(source.ForceTuple);
+            return newItem;
+        }
+
+        private void Check()
+        {
+            var checkLogic = new CheckConvertLogic<DesignForceTupleDTO, IDesignForceTuple>(this);
+            checkLogic.Check();
+        }
+    }
+}

DataAccess/DTOs/Converters/DivisionSizeFromDTOConvertStrategy.cs

@@ -0,0 +1,32 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.NdmCalculations.Primitives;
+
+namespace DataAccess.DTOs
+{
+    public class DivisionSizeFromDTOConvertStrategy : ConvertStrategy<IDivisionSize, IDivisionSize>
+    {
+        IUpdateStrategy<IDivisionSize> updateStrategy;
+
+        public DivisionSizeFromDTOConvertStrategy(IUpdateStrategy<IDivisionSize> updateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+        }
+
+        public DivisionSizeFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+            updateStrategy = new DivisionSizeUpdateStrategy();
+        }
+
+        public override IDivisionSize GetNewItem(IDivisionSize source)
+        {
+            if (source is not DivisionSizeDTO sourceDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source));
+            }
+            NewItem = new DivisionSize(source.Id);
+            updateStrategy.Update(NewItem, sourceDTO);
+            return NewItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/DivisionSizeToDTOConvertStrategy.cs

@@ -0,0 +1,51 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperLogics.NdmCalculations.Primitives;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class DivisionSizeToDTOConvertStrategy : IConvertStrategy<DivisionSizeDTO, IDivisionSize>
+    {
+        private IUpdateStrategy<IDivisionSize> updateStrategy;
+
+        public DivisionSizeToDTOConvertStrategy(IUpdateStrategy<IDivisionSize> updateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+        }
+
+        public DivisionSizeToDTOConvertStrategy() : this (new DivisionSizeUpdateStrategy())
+        {
+            
+        }
+
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+        public IShiftTraceLogger TraceLogger { get; set; }
+
+        public DivisionSizeDTO Convert(IDivisionSize source)
+        {
+            try
+            {
+                return GetNewDivisionSize(source);
+            }
+            catch (Exception ex)
+            {
+                TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Debug);
+                TraceLogger?.AddMessage(ex.Message, TraceLogStatuses.Error);
+                throw;
+            }
+        }
+
+        private DivisionSizeDTO GetNewDivisionSize(IDivisionSize source)
+        {
+            DivisionSizeDTO newItem = new() { Id = source.Id };
+            updateStrategy.Update(newItem, source);
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/FileVersionFromDTOConvertStrategy.cs

@@ -0,0 +1,30 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Projects;
+
+namespace DataAccess.DTOs
+{
+    public class FileVersionFromDTOConvertStrategy : IConvertStrategy<FileVersion, FileVersionDTO>
+    {
+        private IUpdateStrategy<IFileVersion> updateStrategy;
+
+        public IShiftTraceLogger TraceLogger { get; set; }
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get => throw new NotImplementedException(); set => throw new NotImplementedException(); }
+
+        public FileVersionFromDTOConvertStrategy(IUpdateStrategy<IFileVersion> updateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+        }
+        public FileVersionFromDTOConvertStrategy() : this(new FileVersionUpdateStrategy())
+        {
+            
+        }
+
+        public FileVersion Convert(FileVersionDTO source)
+        {
+            FileVersion fileVersion = new(source.Id);
+            updateStrategy.Update(fileVersion, source);
+            return fileVersion;
+        }
+    }
+}

DataAccess/DTOs/Converters/FileVersionToDTOConvertStrategy.cs

@@ -0,0 +1,30 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Projects;
+
+namespace DataAccess.DTOs
+{
+    public class FileVersionToDTOConvertStrategy : IConvertStrategy<FileVersionDTO, IFileVersion>
+    {
+        private IUpdateStrategy<IFileVersion> updateStrategy;
+
+        public IShiftTraceLogger TraceLogger { get; set; }
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+
+        public FileVersionToDTOConvertStrategy(IUpdateStrategy<IFileVersion> updateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+        }
+        public FileVersionToDTOConvertStrategy() : this(new FileVersionUpdateStrategy())
+        {
+            
+        }
+
+        public FileVersionDTO Convert(IFileVersion source)
+        {
+            FileVersionDTO fileVersion = new(source.Id);
+            updateStrategy.Update(fileVersion, source);
+            return fileVersion;
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/ConcentratedForceFromDTOConvertStrategy.cs

@@ -0,0 +1,45 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.BeamShearActions;
+
+namespace DataAccess.DTOs
+{
+    internal class ConcentratedForceFromDTOConvertStrategy : ConvertStrategy<ConcentratedForce, ConcentratedForceDTO>
+    {
+        private IUpdateStrategy<IConcentratedForce> updateStrategy;
+        private IConvertStrategy<ForceTuple, ForceTupleDTO> tupleConvertStrategy;
+        private IConvertStrategy<FactoredCombinationProperty, FactoredCombinationPropertyDTO> combinationConvertStrategy;
+
+        public ConcentratedForceFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override ConcentratedForce GetNewItem(ConcentratedForceDTO source)
+        {
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            if (source.ForceValue is not ForceTupleDTO forceTupleDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.ForceValue));
+            }
+            NewItem.ForceValue = tupleConvertStrategy.Convert(forceTupleDTO);
+            if (source.CombinationProperty is not FactoredCombinationPropertyDTO combinationPropertyDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.CombinationProperty));
+            }
+            NewItem.CombinationProperty = combinationConvertStrategy.Convert(combinationPropertyDTO);
+            return NewItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new ConcentratedForceUpdateStrategy();
+            tupleConvertStrategy = new DictionaryConvertStrategy<ForceTuple, ForceTupleDTO>
+                (this, new ForceTupleFromDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+            combinationConvertStrategy = new DictionaryConvertStrategy<FactoredCombinationProperty, FactoredCombinationPropertyDTO>
+                (this, new FactoredCombinationPropertyFromDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/ConcentratedForceToDTOConvertStrategy.cs

@@ -0,0 +1,52 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.BeamShearActions;
+
+namespace DataAccess.DTOs
+{
+    public class ConcentratedForceToDTOConvertStrategy : ConvertStrategy<ConcentratedForceDTO, IConcentratedForce>
+    {
+        private IUpdateStrategy<IConcentratedForce> updateStrategy;
+        private IConvertStrategy<ForceTupleDTO, IForceTuple> tupleConvertStrategy;
+        private IConvertStrategy<FactoredCombinationPropertyDTO, IFactoredCombinationProperty> combinationConvertStrategy;
+
+        public ConcentratedForceToDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override ConcentratedForceDTO GetNewItem(IConcentratedForce source)
+        {
+            try
+            {
+                GetNewConcentratedForce(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewConcentratedForce(IConcentratedForce source)
+        {
+            TraceLogger?.AddMessage($"Concentrated force converting Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.ForceValue = tupleConvertStrategy.Convert(source.ForceValue);
+            NewItem.CombinationProperty = combinationConvertStrategy.Convert(source.CombinationProperty);
+            TraceLogger?.AddMessage($"Concentrated force converting Id = {NewItem.Id} has been finished successfully", TraceLogStatuses.Debug);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new ConcentratedForceUpdateStrategy();
+            tupleConvertStrategy = new DictionaryConvertStrategy<ForceTupleDTO, IForceTuple>
+                (this, new ForceTupleToDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+            combinationConvertStrategy = new DictionaryConvertStrategy<FactoredCombinationPropertyDTO, IFactoredCombinationProperty>
+                (this, new FactoredCombinationPropertyToDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/DistributedLoadFromDTOConvertStrategy.cs

@@ -0,0 +1,45 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.BeamShearActions;
+
+namespace DataAccess.DTOs
+{
+    internal class DistributedLoadFromDTOConvertStrategy : ConvertStrategy<DistributedLoad, DistributedLoadDTO>
+    {
+        private IUpdateStrategy<IDistributedLoad> updateStrategy;
+        private IConvertStrategy<ForceTuple, ForceTupleDTO> tupleConvertStrategy;
+        private IConvertStrategy<FactoredCombinationProperty, FactoredCombinationPropertyDTO> combinationConvertStrategy;
+
+        public DistributedLoadFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override DistributedLoad GetNewItem(DistributedLoadDTO source)
+        {
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            if (source.LoadValue is not ForceTupleDTO forceTupleDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.LoadValue));
+            }
+            NewItem.LoadValue = tupleConvertStrategy.Convert(forceTupleDTO);
+            if (source.CombinationProperty is not FactoredCombinationPropertyDTO combinationPropertyDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.CombinationProperty));
+            }
+            NewItem.CombinationProperty = combinationConvertStrategy.Convert(combinationPropertyDTO);
+            return NewItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new DistributedLoadUpdateStrategy();
+            tupleConvertStrategy = new DictionaryConvertStrategy<ForceTuple, ForceTupleDTO>
+                (this, new ForceTupleFromDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+            combinationConvertStrategy = new DictionaryConvertStrategy<FactoredCombinationProperty, FactoredCombinationPropertyDTO>
+                (this, new FactoredCombinationPropertyFromDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/DistributedLoadToDTOConvertStrategy.cs

@@ -0,0 +1,55 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.BeamShearActions;
+
+//Copyright (c) 2025 Redikultsev Evgeny, Ekaterinburg, Russia
+//All rights reserved.
+
+namespace DataAccess.DTOs
+{
+    public class DistributedLoadToDTOConvertStrategy : ConvertStrategy<DistributedLoadDTO, IDistributedLoad>
+    {
+        private IUpdateStrategy<IDistributedLoad> updateStrategy;
+        private IConvertStrategy<ForceTupleDTO, IForceTuple> tupleConvertStrategy;
+        private IConvertStrategy<FactoredCombinationPropertyDTO, IFactoredCombinationProperty> combinationConvertStrategy;
+
+        public DistributedLoadToDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override DistributedLoadDTO GetNewItem(IDistributedLoad source)
+        {
+            try
+            {
+                GetNewBeamAction(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewBeamAction(IDistributedLoad source)
+        {
+            TraceLogger?.AddMessage($"Converting of beam shear action Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            NewItem.LoadValue = tupleConvertStrategy.Convert(source.LoadValue);
+            NewItem.CombinationProperty = combinationConvertStrategy.Convert(source.CombinationProperty);
+            TraceLogger?.AddMessage($"Converting of beam shear action Id = {source.Id} has been finished", TraceLogStatuses.Debug);
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new DistributedLoadUpdateStrategy();
+            tupleConvertStrategy = new DictionaryConvertStrategy<ForceTupleDTO, IForceTuple>
+                (this, new ForceTupleToDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+            combinationConvertStrategy = new DictionaryConvertStrategy<FactoredCombinationPropertyDTO, IFactoredCombinationProperty>
+                (this, new FactoredCombinationPropertyToDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/FactoredCombinationPropertyFromDTOConvertStrategy.cs

@@ -0,0 +1,30 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.Logics;
+
+namespace DataAccess.DTOs
+{
+    public class FactoredCombinationPropertyFromDTOConvertStrategy : ConvertStrategy<FactoredCombinationProperty, FactoredCombinationPropertyDTO>
+    {
+        private IUpdateStrategy<IFactoredCombinationProperty> updateStrategy;
+
+        public FactoredCombinationPropertyFromDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger) : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override FactoredCombinationProperty GetNewItem(FactoredCombinationPropertyDTO source)
+        {
+            InitializeStrategies();
+            TraceLogger.AddMessage($"Force factored combination property Id={source.Id} converting has been started");
+            FactoredCombinationProperty newItem = new(source.Id);
+            updateStrategy.Update(newItem, source);
+            TraceLogger.AddMessage($"Force factored combination property Id={newItem.Id} converting has been finished");
+            return newItem;
+        }
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new FactoredCombinationPropertyUpdateStrategy();
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/FactoredCombinationPropertyToDTOConvertStrategy.cs

@@ -0,0 +1,47 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.Logics;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class FactoredCombinationPropertyToDTOConvertStrategy : ConvertStrategy<FactoredCombinationPropertyDTO, IFactoredCombinationProperty>
+    {
+        private IUpdateStrategy<IFactoredCombinationProperty> updateStrategy;
+
+        public FactoredCombinationPropertyToDTOConvertStrategy(IUpdateStrategy<IFactoredCombinationProperty> updateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+        }
+
+        public FactoredCombinationPropertyToDTOConvertStrategy()
+        {
+            
+        }
+
+        public FactoredCombinationPropertyToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override FactoredCombinationPropertyDTO GetNewItem(IFactoredCombinationProperty source)
+        {
+            TraceLogger?.AddMessage($"Force factored combination property Id={source.Id} converting has been started");
+            InitializeStrategies();
+            FactoredCombinationPropertyDTO newItem = new(source.Id);
+            updateStrategy.Update(newItem, source);
+            TraceLogger?.AddMessage($"Force factored combination property Id={newItem.Id} converting has been finished");
+            return newItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new FactoredCombinationPropertyUpdateStrategy();
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/FactoredForceTupleFromDTOConvertStrategy.cs

@@ -0,0 +1,59 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Services;
+
+namespace DataAccess.DTOs
+{
+    public class FactoredForceTupleFromDTOConvertStrategy : ConvertStrategy<FactoredForceTuple, FactoredForceTupleDTO>
+    {
+        private IConvertStrategy<ForceTuple, ForceTupleDTO> tupleConvertStrategy;
+        private IConvertStrategy<FactoredCombinationProperty, FactoredCombinationPropertyDTO> combinationConvertStrategy;
+
+        public FactoredForceTupleFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy)
+            : base(baseConvertStrategy)
+        {
+        }
+
+        public override FactoredForceTuple GetNewItem(FactoredForceTupleDTO source)
+        {
+            ChildClass = this;
+            CheckObjects(source);
+            InitializeStrategies();
+            return GetNewFactoredTuple(source);
+        }
+
+        private FactoredForceTuple GetNewFactoredTuple(FactoredForceTupleDTO source)
+        {
+            if (source.ForceTuple is not ForceTupleDTO forceTupleDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.ForceTuple));
+            }
+            if (source.CombinationProperty is not FactoredCombinationPropertyDTO combinationPropertyDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source.ForceTuple));
+            }
+            NewItem = new(source.Id)
+            {
+                ForceTuple = tupleConvertStrategy.Convert(forceTupleDTO),
+                CombinationProperty = combinationConvertStrategy.Convert(combinationPropertyDTO)
+            };
+            return NewItem;
+        }
+
+        private static void CheckObjects(FactoredForceTupleDTO source)
+        {
+            CheckObject.ThrowIfNull(source);
+            CheckObject.ThrowIfNull(source.ForceTuple);
+            CheckObject.ThrowIfNull(source.CombinationProperty);
+        }
+
+        private void InitializeStrategies()
+        {
+            tupleConvertStrategy = new DictionaryConvertStrategy<ForceTuple, ForceTupleDTO>
+                (this, new ForceTupleFromDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+            combinationConvertStrategy = new DictionaryConvertStrategy<FactoredCombinationProperty, FactoredCombinationPropertyDTO>
+                (this, new FactoredCombinationPropertyFromDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/FactoredForceTupleToDTOConvertStrategy.cs

@@ -0,0 +1,48 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+
+namespace DataAccess.DTOs
+{
+    public class FactoredForceTupleToDTOConvertStrategy : ConvertStrategy<FactoredForceTupleDTO, IFactoredForceTuple>
+    {
+        private IConvertStrategy<ForceTupleDTO, IForceTuple> tupleConvertStrategy;
+        private IConvertStrategy<FactoredCombinationPropertyDTO, IFactoredCombinationProperty> combinationConvertStrategy;
+
+        public FactoredForceTupleToDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override FactoredForceTupleDTO GetNewItem(IFactoredForceTuple source)
+        {
+            try
+            {
+                GetNewFactoredForceTuple(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void GetNewFactoredForceTuple(IFactoredForceTuple source)
+        {
+            TraceLogger?.AddMessage($"Converting of factored force tuple Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            InitializeStrategies();
+            NewItem = new(source.Id);
+            NewItem.ForceTuple = tupleConvertStrategy.Convert(source.ForceTuple);
+            NewItem.CombinationProperty = combinationConvertStrategy.Convert(source.CombinationProperty);
+            TraceLogger?.AddMessage($"Converting of factored force tuple Id = {NewItem.Id} has been finished", TraceLogStatuses.Debug);
+        }
+
+        private void InitializeStrategies()
+        {
+            tupleConvertStrategy = new DictionaryConvertStrategy<ForceTupleDTO, IForceTuple>
+                (this, new ForceTupleToDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+            combinationConvertStrategy = new DictionaryConvertStrategy<FactoredCombinationPropertyDTO, IFactoredCombinationProperty>
+                (this, new FactoredCombinationPropertyToDTOConvertStrategy(ReferenceDictionary, TraceLogger));
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/ForceActionFromDTOConvertStrategy.cs

@@ -0,0 +1,103 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Loggers;
+
+namespace DataAccess.DTOs
+{
+    public class ForceActionFromDTOConvertStrategy : ConvertStrategy<IForceAction, IForceAction>
+    {
+        private IConvertStrategy<ForceCombinationList, ForceCombinationListDTO> listConvertStrategy;
+        private IConvertStrategy<ForceFactoredList, ForceCombinationByFactorV1_0DTO> factorConvertStrategy_v1_0;
+        private IConvertStrategy<ForceFactoredList, ForceFactoredListDTO> factorConvertStrategy;
+        private IConvertStrategy<ForceCombinationFromFile, ForceCombinationFromFileDTO> fileConvertStrategy;
+
+        public ForceActionFromDTOConvertStrategy(
+            IConvertStrategy<ForceCombinationList, ForceCombinationListDTO> listConvertStrategy,
+            IConvertStrategy<ForceFactoredList, ForceCombinationByFactorV1_0DTO> factorConvertStrategy_v1_0,
+            IConvertStrategy<ForceFactoredList, ForceFactoredListDTO> factorConvertStrategy,
+            IConvertStrategy<ForceCombinationFromFile, ForceCombinationFromFileDTO> fileConvertStrategy)
+        {
+            this.listConvertStrategy = listConvertStrategy;
+            this.factorConvertStrategy_v1_0 = factorConvertStrategy_v1_0;
+            this.factorConvertStrategy = factorConvertStrategy;
+            this.fileConvertStrategy = fileConvertStrategy;
+        }
+
+        public ForceActionFromDTOConvertStrategy() { }
+
+        public override IForceAction GetNewItem(IForceAction source)
+        {
+            InitializeStrategies();
+            try
+            {
+                NewItem = GetNewItemBySource(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void InitializeStrategies()
+        {
+            listConvertStrategy ??= new ForceCombinationListFromDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+            factorConvertStrategy ??= new ForceFactoredListFromDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+            fileConvertStrategy ??= new ForceCombinationFromFileFromDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger};
+        }
+        private IForceAction GetNewItemBySource(IForceAction source)
+        {
+            if (source is ForceFactoredListDTO combination)
+            {
+                return GetFactoredCombination(combination);
+            }
+            if (source is ForceCombinationListDTO forceList)
+            {
+                return GetForceList(forceList);
+            }
+            if (source is ForceCombinationFromFileDTO fileCombination)
+            {
+                return GetFileCombination(fileCombination);
+            }
+            if (source is ForceCombinationByFactorV1_0DTO combination_v1_0)
+            {
+                return Obsolete_GetForceCombination_V1_0(combination_v1_0);
+            }
+            string errorString = ErrorStrings.ObjectTypeIsUnknownObj(source);
+            TraceLogger.AddMessage(errorString, TraceLogStatuses.Error);
+            throw new StructureHelperException(errorString);
+        }
+        private ForceCombinationFromFile GetFileCombination(ForceCombinationFromFileDTO source)
+        {
+            TraceLogger?.AddMessage("Force action is combination by factors");
+            ForceCombinationFromFile newItem = fileConvertStrategy.Convert(source);
+            return newItem;
+        }
+        private ForceFactoredList Obsolete_GetForceCombination_V1_0(ForceCombinationByFactorV1_0DTO source)
+        {
+            TraceLogger?.AddMessage("Force action is combination by factors version 1.0 (obsolete)", TraceLogStatuses.Warning);
+            factorConvertStrategy_v1_0 ??= new ForceCombinationByFactorV1_0FromDTOConvertStrategy()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger
+            };
+            ForceFactoredList newItem = factorConvertStrategy_v1_0.Convert(source);
+            return newItem;
+        }
+        private IForceAction GetFactoredCombination(ForceFactoredListDTO source)
+        {
+            TraceLogger?.AddMessage("Force action is combination by factors");
+            ForceFactoredList newItem = factorConvertStrategy.Convert(source);
+            return newItem;
+        }
+        private IForceAction GetForceList(ForceCombinationListDTO forceList)
+        {
+            TraceLogger?.AddMessage("Force action is combination by list");
+            ForceCombinationList newItem = listConvertStrategy.Convert(forceList);
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/ForceActionToDTOConvertStrategy.cs

@@ -0,0 +1,80 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Loggers;
+
+namespace DataAccess.DTOs
+{
+    public class ForceActionToDTOConvertStrategy : ConvertStrategy<IForceAction, IForceAction>
+    {
+        private IConvertStrategy<ForceFactoredListDTO, IForceFactoredList> forceFactoredListConvertStrategy;
+        private IConvertStrategy<ForceCombinationListDTO, IForceCombinationList> forceCombinationListConvertStrategy;
+        private IConvertStrategy<ForceCombinationFromFileDTO, IForceCombinationFromFile> forceCombinationFromFileConvertStrategy;
+
+        public ForceActionToDTOConvertStrategy(
+            IConvertStrategy<ForceFactoredListDTO, IForceFactoredList> forceFactoredListConvertStrategy,
+            IConvertStrategy<ForceCombinationListDTO, IForceCombinationList> forceCombinationListConvertStrategy,
+            IConvertStrategy<ForceCombinationFromFileDTO, IForceCombinationFromFile> forceCombinationFromFileConvertStrategy)
+        {
+            this.forceFactoredListConvertStrategy = forceFactoredListConvertStrategy;
+            this.forceCombinationListConvertStrategy = forceCombinationListConvertStrategy;
+            this.forceCombinationFromFileConvertStrategy = forceCombinationFromFileConvertStrategy;
+        }
+
+        public ForceActionToDTOConvertStrategy() {  }
+
+        public override IForceAction GetNewItem(IForceAction source)
+        {
+            TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Debug);
+            TraceLogger?.AddMessage($"Force action converting has been started");
+            InitializeStrategies();
+            if (source is IForceFactoredList forceFactoredList)
+            {
+                return GetForceCombinationByFactor(forceFactoredList);
+            }
+            else if (source is IForceCombinationList forceCombinationList)
+            {
+                return GetForceCombinationList(forceCombinationList);
+            }
+            else if (source is IForceCombinationFromFile forceCombinationFile)
+            {
+                return GetForceCombinationFile(forceCombinationFile);
+            }
+            else
+            {
+                string errorString = ErrorStrings.ObjectTypeIsUnknownObj(source);
+                TraceLogger?.AddMessage(errorString, TraceLogStatuses.Error);
+                throw new StructureHelperException(errorString);
+            }
+        }
+
+        private IForceAction GetForceCombinationFile(IForceCombinationFromFile forceCombinationFile)
+        {
+            var convertLogic = new DictionaryConvertStrategy<ForceCombinationFromFileDTO, IForceCombinationFromFile>(this, forceCombinationFromFileConvertStrategy);
+            var forceCombination = convertLogic.Convert(forceCombinationFile);
+            return forceCombination;
+        }
+
+        private void InitializeStrategies()
+        {
+            forceFactoredListConvertStrategy ??= new ForceFactoredListToDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger};
+            forceCombinationListConvertStrategy ??= new ForceCombinationListToDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger }; ;
+            forceCombinationFromFileConvertStrategy ??= new ForceCombinaionFromFileToDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger }; ;
+        }
+
+        private ForceCombinationListDTO GetForceCombinationList(IForceCombinationList forceCombinationList)
+        {
+            var convertLogic = new DictionaryConvertStrategy<ForceCombinationListDTO, IForceCombinationList>(this, forceCombinationListConvertStrategy);
+            var forceCombination = convertLogic.Convert(forceCombinationList);
+            return forceCombination;
+        }
+
+        private ForceFactoredListDTO GetForceCombinationByFactor(IForceFactoredList forceCombinationByFactor)
+        {
+            var convertLogic = new DictionaryConvertStrategy<ForceFactoredListDTO, IForceFactoredList>(this, forceFactoredListConvertStrategy);
+            var forceCombination = convertLogic.Convert(forceCombinationByFactor);
+            return forceCombination;
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/ForceCombinaionFromFileToDTOConvertStrategy.cs

@@ -0,0 +1,76 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperCommon.Models.Shapes;
+
+namespace DataAccess.DTOs
+{
+    public class ForceCombinaionFromFileToDTOConvertStrategy : ConvertStrategy<ForceCombinationFromFileDTO, IForceCombinationFromFile>
+    {
+
+        private IUpdateStrategy<IForceCombinationFromFile> updateStrategy;
+        private IConvertStrategy<Point2DDTO, IPoint2D> pointConvertStrategy;
+        private IConvertStrategy<FactoredCombinationPropertyDTO, IFactoredCombinationProperty> combinationPropertyConvertStrategy;
+        private IConvertStrategy<ColumnedFilePropertyDTO, IColumnedFileProperty> filePropertyConvertStrategy;
+        
+
+
+        public override ForceCombinationFromFileDTO GetNewItem(IForceCombinationFromFile source)
+        {
+            TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Debug);
+            TraceLogger.AddMessage($"Force combination from file, name = {source.Name}  converting has been started");
+            InitializeStrategies();
+            ForceCombinationFromFileDTO newItem = new(source.Id);
+            updateStrategy.Update(newItem, source);
+            newItem.ForceFiles.Clear();
+            foreach (var item in source.ForceFiles)
+            {
+                ColumnedFilePropertyDTO columnedFilePropertyDTO = filePropertyConvertStrategy.Convert(item);
+                newItem.ForceFiles.Add(columnedFilePropertyDTO);
+            }
+            SetPoint(source, newItem);
+            SetCombinationProperty(source, newItem);
+            TraceLogger.AddMessage($"Force combination from file, name = {source.Name}  converting has been finished successfully");
+            return newItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new ForceCombinationFromFileUpdateStrategy();
+            pointConvertStrategy ??= new Point2DToDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger};
+            combinationPropertyConvertStrategy ??= new FactoredCombinationPropertyToDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+            filePropertyConvertStrategy ??= new ColumnedFilePropertyToDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+        }
+
+        private void SetPoint(IForceCombinationFromFile source, ForceCombinationFromFileDTO newItem)
+        {
+            if (source.ForcePoint is not null)
+            {
+                var convertLogic = new DictionaryConvertStrategy<Point2DDTO, IPoint2D>(this, pointConvertStrategy);
+                newItem.ForcePoint = convertLogic.Convert(source.ForcePoint);
+            }
+            else
+            {
+                string errorMessage = ErrorStrings.NullReference + $"File combination {source.Name} Id={source.Id} does not have force point";
+                TraceLogger.AddMessage(errorMessage, TraceLogStatuses.Error);
+                throw new StructureHelperException(errorMessage);
+            }
+        }
+        private void SetCombinationProperty(IForceCombinationFromFile source, ForceCombinationFromFileDTO newItem)
+        {
+            if (source.CombinationProperty is not null)
+            {
+                var convertLogic = new DictionaryConvertStrategy<FactoredCombinationPropertyDTO, IFactoredCombinationProperty>(this, combinationPropertyConvertStrategy);
+                newItem.CombinationProperty = convertLogic.Convert(source.CombinationProperty);
+            }
+            else
+            {
+                string errorMessage = ErrorStrings.NullReference + $"Factored combination {source.Name} Id={source.Id} does not have combination properties";
+                TraceLogger.AddMessage(errorMessage, TraceLogStatuses.Error);
+                throw new StructureHelperException(errorMessage);
+            }
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/ForceCombinationFromFileFromDTOConvertStrategy.cs

@@ -0,0 +1,112 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperCommon.Models.Shapes;
+
+namespace DataAccess.DTOs
+{ 
+    public class ForceCombinationFromFileFromDTOConvertStrategy : ConvertStrategy<ForceCombinationFromFile, ForceCombinationFromFileDTO>
+    {
+        private IUpdateStrategy<IForceCombinationFromFile> updateStrategy;
+        private IConvertStrategy<Point2D, Point2DDTO> pointConvertStrategy;
+        private IConvertStrategy<FactoredCombinationProperty, FactoredCombinationPropertyDTO> combinationPropertyConvertStrategy;
+        private IConvertStrategy<ColumnedFileProperty, ColumnedFilePropertyDTO> fileConvertStrategy;
+
+        public ForceCombinationFromFileFromDTOConvertStrategy(
+            IUpdateStrategy<IForceCombinationFromFile> updateStrategy,
+            IConvertStrategy<Point2D, Point2DDTO> pointConvertStrategy,
+            IConvertStrategy<FactoredCombinationProperty, FactoredCombinationPropertyDTO> combinationPropertyConvertStrategy,
+            IConvertStrategy<ColumnedFileProperty, ColumnedFilePropertyDTO> fileConvertStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+            this.pointConvertStrategy = pointConvertStrategy;
+            this.combinationPropertyConvertStrategy = combinationPropertyConvertStrategy;
+            this.fileConvertStrategy = fileConvertStrategy;
+        }
+
+        public ForceCombinationFromFileFromDTOConvertStrategy() { }
+
+        public override ForceCombinationFromFile GetNewItem(ForceCombinationFromFileDTO source)
+        {
+            TraceLogger?.AddMessage($"Force combination from file Name = {source.Name} converting has been started");
+            InitializeStrategies();
+            try
+            {
+                ForceCombinationFromFile newItem = GetForceCombination(source);
+                TraceLogger?.AddMessage($"Force combination from file Name = {newItem.Name} converting has been finished successfully");
+                return newItem;
+            }
+            catch (Exception ex)
+            {
+                TraceLogger?.AddMessage($"Logic: {LoggerStrings.LogicType(this)} made error: {ex.Message}", TraceLogStatuses.Error);
+                throw;
+            }
+        }
+
+        private ForceCombinationFromFile GetForceCombination(ForceCombinationFromFileDTO source)
+        {
+            ForceCombinationFromFile newItem = new(source.Id);
+            updateStrategy.Update(newItem, source);
+            SetForceFiles(source, newItem);
+            SetPoint(source, newItem);
+            SetCombinationProperty(source, newItem);
+            return newItem;
+        }
+
+        private void SetForceFiles(ForceCombinationFromFileDTO source, ForceCombinationFromFile newItem)
+        {
+            newItem.ForceFiles.Clear();
+            foreach (var item in source.ForceFiles)
+            {
+                if (item is ColumnedFilePropertyDTO filePropertyDTO)
+                {
+                    ColumnedFileProperty columnFileProperty = fileConvertStrategy.Convert(filePropertyDTO);
+                    newItem.ForceFiles.Add(columnFileProperty);
+                }
+                else
+                {
+                    string errorString = ErrorStrings.ExpectedWas(typeof(ColumnFilePropertyDTO), item);
+                    TraceLogger?.AddMessage(errorString, TraceLogStatuses.Error);
+                    throw new StructureHelperException(errorString);
+                }
+            }
+        }
+
+        private void SetPoint(IForceAction source, IForceAction newItem)
+        {
+            if (source.ForcePoint is Point2DDTO pointDTO)
+            {
+                newItem.ForcePoint = pointConvertStrategy.Convert(pointDTO);
+            }
+            else
+            {
+                string errorMessage = ErrorStrings.ExpectedWas(typeof(Point2DDTO), source.ForcePoint);
+                TraceLogger.AddMessage(errorMessage, TraceLogStatuses.Error);
+                throw new StructureHelperException(errorMessage);
+            }
+        }
+        private void SetCombinationProperty(IForceFactoredCombination source, IForceFactoredCombination newItem)
+        {
+            if (source.CombinationProperty is FactoredCombinationPropertyDTO factoredPropertyDTO)
+            {
+                newItem.CombinationProperty = combinationPropertyConvertStrategy.Convert(factoredPropertyDTO);
+            }
+            else
+            {
+                string errorMessage = ErrorStrings.ExpectedWas(typeof(FactoredCombinationPropertyDTO), source.CombinationProperty);
+                TraceLogger.AddMessage(errorMessage, TraceLogStatuses.Error);
+                throw new StructureHelperException(errorMessage);
+            }
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new ForceCombinationFromFileUpdateStrategy();
+            pointConvertStrategy = new Point2DFromDTOConvertStrategy(this);
+            combinationPropertyConvertStrategy = new FactoredCombinationPropertyFromDTOConvertStrategy(ReferenceDictionary, TraceLogger);
+            fileConvertStrategy ??= new ColumnedFilePropertyFromDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/ForceCombinationListFromDTOConvertStrategy.cs

@@ -0,0 +1,79 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Forces.Logics;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperCommon.Models.Shapes;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class ForceCombinationListFromDTOConvertStrategy : ConvertStrategy<ForceCombinationList, ForceCombinationListDTO>
+    {
+        private IUpdateStrategy<IForceAction> baseUpdateStrategy;
+        private IUpdateStrategy<IForceCombinationList> updateStrategy;
+        private IConvertStrategy<Point2D, Point2DDTO> pointConvertStrategy;
+        private IConvertStrategy<DesignForceTuple, DesignForceTupleDTO> designTupleConvertStrategy;
+
+        public ForceCombinationListFromDTOConvertStrategy(
+            IUpdateStrategy<IForceAction> baseUpdateStrategy,
+            IUpdateStrategy<IForceCombinationList> updateStrategy,
+            IConvertStrategy<Point2D, Point2DDTO> pointConvertStrategy,
+            IConvertStrategy<DesignForceTuple, DesignForceTupleDTO> designTupleConvertStrategy)
+        {
+            this.baseUpdateStrategy = baseUpdateStrategy;
+            this.updateStrategy = updateStrategy;
+            this.pointConvertStrategy = pointConvertStrategy;
+            this.designTupleConvertStrategy = designTupleConvertStrategy;
+        }
+
+        public ForceCombinationListFromDTOConvertStrategy() { }
+
+        public override ForceCombinationList GetNewItem(ForceCombinationListDTO source)
+        {
+            TraceLogger?.AddMessage($"Force combination list Id = {source.Id}, Name = {source.Name} converting has been started");
+            InitializeStrategies();
+            try
+            {
+                ForceCombinationList newItem = GetNewItemBySource(source);
+                TraceLogger?.AddMessage($"Force combination list Id = {source.Id}, Name = {source.Name} has been finished successfully");
+                return newItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private ForceCombinationList GetNewItemBySource(ForceCombinationListDTO source)
+        {
+            ForceCombinationList newItem = new(source.Id);
+            baseUpdateStrategy.Update(newItem, source);
+            //updateStrategy.Update(newItem, source);
+            newItem.ForcePoint = pointConvertStrategy.Convert((Point2DDTO)source.ForcePoint);
+            newItem.DesignForces.Clear();
+            foreach (var item in source.DesignForces)
+            {
+                DesignForceTuple newDesignTuple = designTupleConvertStrategy.Convert((DesignForceTupleDTO)item);
+                TraceLogger?.AddMessage($"New Design Tuple Limit state = {newDesignTuple.LimitState}, Calc term = {newDesignTuple.CalcTerm}");
+                TraceLogger?.AddMessage($"Mx = {newDesignTuple.ForceTuple.Mx}, My = {newDesignTuple.ForceTuple.My}, Nz = {newDesignTuple.ForceTuple.Nz}");
+                newItem.DesignForces.Add(newDesignTuple);
+            }
+
+            return newItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            baseUpdateStrategy ??= new ForceActionBaseUpdateStrategy();
+            updateStrategy ??= new ForceCombinationListUpdateStrategy();
+            pointConvertStrategy ??= new Point2DFromDTOConvertStrategy(this);
+            designTupleConvertStrategy ??= new DesignForceTupleFromDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/ForceCombinationListToDTOConvertStrategy.cs

@@ -0,0 +1,82 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperCommon.Models.Shapes;
+
+namespace DataAccess.DTOs
+{
+    public class ForceCombinationListToDTOConvertStrategy : ConvertStrategy<ForceCombinationListDTO, IForceCombinationList>
+    {
+        private IUpdateStrategy<IForceCombinationList> updateStrategy;
+        private IConvertStrategy<DesignForceTupleDTO, IDesignForceTuple> convertStrategy;
+        private IUpdateStrategy<IForceAction> baseUpdateStrategy;
+        private IConvertStrategy<Point2DDTO, IPoint2D> pointUpdateStrategy;
+
+        public ForceCombinationListToDTOConvertStrategy(
+            IUpdateStrategy<IForceCombinationList> updateStrategy,
+            IConvertStrategy<DesignForceTupleDTO, IDesignForceTuple> convertStrategy,
+            IUpdateStrategy<IForceAction> baseUpdateStrategy,
+            IConvertStrategy<Point2DDTO, IPoint2D> pointUpdateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+            this.convertStrategy = convertStrategy;
+            this.baseUpdateStrategy = baseUpdateStrategy;
+            this.pointUpdateStrategy = pointUpdateStrategy;
+        }
+
+        public ForceCombinationListToDTOConvertStrategy() { }
+
+        public override ForceCombinationListDTO GetNewItem(IForceCombinationList source)
+        {
+            TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Debug);
+            TraceLogger?.AddMessage($"Factored combination list Name: {source.Name} has been started");
+            ForceCombinationListDTO forceCombinationListDTO = GetNewForceCombinationList(source);
+            TraceLogger?.AddMessage($"Factored combination list Name: {source.Name} has been finished");
+            return forceCombinationListDTO;
+        }
+
+        private ForceCombinationListDTO GetNewForceCombinationList(IForceCombinationList source)
+        {
+            InitializeStrategies();
+            ForceCombinationListDTO newItem = new() { Id = source.Id};
+            baseUpdateStrategy.Update(newItem, source);
+            updateStrategy.Update(newItem, source);
+            convertStrategy.ReferenceDictionary = ReferenceDictionary;
+            convertStrategy.TraceLogger = TraceLogger;
+            var convertLogic = new DictionaryConvertStrategy<DesignForceTupleDTO, IDesignForceTuple>(this, convertStrategy);
+            GetNewForcePoint(newItem, source);
+            newItem.DesignForces.Clear();
+            foreach (var item in source.DesignForces)
+            {
+                newItem.DesignForces.Add(convertLogic.Convert(item));
+            }
+            return newItem;
+        }
+
+        private void InitializeStrategies()
+        {
+            updateStrategy ??= new ForceCombinationListUpdateStrategy();
+            convertStrategy ??= new DesignForceTupleToDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger};
+            baseUpdateStrategy ??= new ForceActionBaseUpdateStrategy();
+            pointUpdateStrategy ??= new Point2DToDTOConvertStrategy();
+        }
+
+        private void GetNewForcePoint(ForceCombinationListDTO newItem, IForceCombinationList source)
+        {
+            if (source.ForcePoint is not null)
+            {
+                pointUpdateStrategy.ReferenceDictionary = ReferenceDictionary;
+                pointUpdateStrategy.TraceLogger = TraceLogger;
+                var convertLogic = new DictionaryConvertStrategy<Point2DDTO, IPoint2D>(this, pointUpdateStrategy);
+                newItem.ForcePoint = convertLogic.Convert(source.ForcePoint);
+            }
+        }
+
+        private void Check()
+        {
+            var checkLogic = new CheckConvertLogic<ForceCombinationListDTO, IForceCombinationList>(this);
+            checkLogic.Check();
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/ForceFactoredListFromDTOConvertStrategy.cs

@@ -0,0 +1,93 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Shapes;
+using StructureHelperCommon.Services;
+
+namespace DataAccess.DTOs
+{
+    public class ForceFactoredListFromDTOConvertStrategy : ConvertStrategy<ForceFactoredList, ForceFactoredListDTO>
+    {
+        private IUpdateStrategy<IForceAction> baseUpdateStrategy;
+        private IUpdateStrategy<IForceFactoredList> updateStrategy;
+        private IConvertStrategy<Point2D, Point2DDTO> pointConvertStrategy;
+        private IConvertStrategy<ForceTuple, ForceTupleDTO> forceTupleConvertStrategy;
+        private IConvertStrategy<FactoredCombinationProperty, FactoredCombinationPropertyDTO> combinationPropertyConvertStrategy;
+
+        public ForceFactoredListFromDTOConvertStrategy(
+            IUpdateStrategy<IForceAction> baseUpdateStrategy,
+            IUpdateStrategy<IForceFactoredList> updateStrategy,
+            IConvertStrategy<Point2D, Point2DDTO> pointConvertStrategy,
+            IConvertStrategy<ForceTuple, ForceTupleDTO> forceTupleConvertStrategy,
+            IConvertStrategy<FactoredCombinationProperty, FactoredCombinationPropertyDTO> combinationPropertyConvertStrategy)
+        {
+            this.baseUpdateStrategy = baseUpdateStrategy;
+            this.updateStrategy = updateStrategy;
+            this.pointConvertStrategy = pointConvertStrategy;
+            this.forceTupleConvertStrategy = forceTupleConvertStrategy;
+            this.combinationPropertyConvertStrategy = combinationPropertyConvertStrategy;
+        }
+
+        public ForceFactoredListFromDTOConvertStrategy() { }
+
+        public override ForceFactoredList GetNewItem(ForceFactoredListDTO source)
+        {
+            InitializeStrategies();
+            TraceLogger.AddMessage($"Force combination by factor name = {source.Name} converting is starting");
+            ForceFactoredList newItem = new(source.Id);
+            baseUpdateStrategy.Update(newItem, source);
+            updateStrategy.Update(newItem, source);
+            SetPoint(source, newItem);
+            SetCombinationProperty(source, newItem);
+            SetForceTuples(source, newItem);
+            TraceLogger.AddMessage($"Force combination by factor name = {newItem.Name} converting has been finished");
+            return newItem;
+        }
+
+        private void SetForceTuples(ForceFactoredListDTO source, ForceFactoredList newItem)
+        {
+            CheckObject.ThrowIfNull(newItem.ForceTuples, nameof(newItem.ForceTuples));
+            newItem.ForceTuples.Clear();
+            foreach (var item in source.ForceTuples)
+            {
+                var newTuple = forceTupleConvertStrategy.Convert((ForceTupleDTO)item);
+                newItem.ForceTuples.Add(newTuple);
+            }
+        }
+        private void SetPoint(ForceFactoredListDTO source, ForceFactoredList newItem)
+        {
+            if (source.ForcePoint is Point2DDTO pointDTO)
+            {
+                newItem.ForcePoint = pointConvertStrategy.Convert(pointDTO);
+            }
+            else
+            {
+                string errorMessage = ErrorStrings.ExpectedWas(typeof(Point2DDTO), source.ForcePoint);
+                TraceLogger.AddMessage(errorMessage, TraceLogStatuses.Error);
+                throw new StructureHelperException(errorMessage);
+            }
+        }
+        private void SetCombinationProperty(ForceFactoredListDTO source, ForceFactoredList newItem)
+        {
+            if (source.CombinationProperty is FactoredCombinationPropertyDTO factoredPropertyDTO)
+            {
+                newItem.CombinationProperty = combinationPropertyConvertStrategy.Convert(factoredPropertyDTO);
+            }
+            else
+            {
+                string errorMessage = ErrorStrings.ExpectedWas(typeof(FactoredCombinationPropertyDTO), source.CombinationProperty);
+                TraceLogger.AddMessage(errorMessage, TraceLogStatuses.Error);
+                throw new StructureHelperException(errorMessage);
+            }
+        }
+        private void InitializeStrategies()
+        {
+            baseUpdateStrategy ??= new ForceActionBaseUpdateStrategy();
+            updateStrategy ??= new ForceFactoredListUpdateStrategy();
+            pointConvertStrategy ??= new Point2DFromDTOConvertStrategy(this);
+            forceTupleConvertStrategy ??= new ForceTupleFromDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+            combinationPropertyConvertStrategy ??= new FactoredCombinationPropertyFromDTOConvertStrategy(ReferenceDictionary, TraceLogger);
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/ForceFactoredListToDTOConvertStrategy.cs

@@ -0,0 +1,109 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperCommon.Models.Shapes;
+
+namespace DataAccess.DTOs
+{
+    public class ForceFactoredListToDTOConvertStrategy : ConvertStrategy<ForceFactoredListDTO, IForceFactoredList>
+    {
+        private IUpdateStrategy<IForceFactoredList> updateStrategy;
+        private IConvertStrategy<Point2DDTO, IPoint2D> pointConvertStrategy;
+        private IConvertStrategy<ForceTupleDTO, IForceTuple> forceTupleConvertStrategy;
+        private IUpdateStrategy<IForceAction> baseUpdateStrategy;
+        private IConvertStrategy<FactoredCombinationPropertyDTO, IFactoredCombinationProperty> combinationPropertyConvertStrategy;
+
+        public ForceFactoredListToDTOConvertStrategy(IUpdateStrategy<IForceFactoredList> updateStrategy,
+            IConvertStrategy<Point2DDTO, IPoint2D> pointConvertStrategy,
+            IConvertStrategy<ForceTupleDTO, IForceTuple> forceTupleConvertStrategy,
+            IUpdateStrategy<IForceAction> baseUpdateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+            this.pointConvertStrategy = pointConvertStrategy;
+            this.forceTupleConvertStrategy = forceTupleConvertStrategy;
+            this.baseUpdateStrategy = baseUpdateStrategy;
+        }
+
+        public ForceFactoredListToDTOConvertStrategy() { }
+
+        public override ForceFactoredListDTO GetNewItem(IForceFactoredList source)
+        {
+            TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Debug);
+            TraceLogger?.AddMessage($"Force combination by factor, name = {source.Name}  converting has been started");
+            InitializeStrategies();
+            ForceFactoredListDTO newItem = GetNewForceTuple(source);
+            TraceLogger?.AddMessage($"Force combination by factor, name = {newItem.Name}  converting has been finished successfully");
+            return newItem;
+
+        }
+        private void InitializeStrategies()
+        {
+            baseUpdateStrategy ??= new ForceActionBaseUpdateStrategy();
+            updateStrategy ??= new ForceFactoredListUpdateStrategy();
+            forceTupleConvertStrategy ??= new ForceTupleToDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+            pointConvertStrategy ??= new Point2DToDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger};
+            combinationPropertyConvertStrategy ??= new FactoredCombinationPropertyToDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger};
+        }
+
+        private ForceFactoredListDTO GetNewForceTuple(IForceFactoredList source)
+        {
+            ForceFactoredListDTO newItem = new(source.Id);
+            baseUpdateStrategy.Update(newItem, source);
+            updateStrategy.Update(newItem, source);
+            SetPoint(source, newItem);
+            SetForces(source, newItem);
+            SetCombinationProperty(source, newItem);
+            return newItem;
+        }
+        private void SetForces(IForceFactoredList source, ForceFactoredListDTO newItem)
+        {
+            if (source.ForceTuples is not null)
+            {
+                var convertForceTupleLogic = new DictionaryConvertStrategy<ForceTupleDTO, IForceTuple>(this, forceTupleConvertStrategy);
+                newItem.ForceTuples.Clear();
+                foreach (var item in source.ForceTuples)
+                {
+                    var forceTuple = convertForceTupleLogic.Convert(item);
+                    newItem.ForceTuples.Add(forceTuple);
+                }
+            }
+            else
+            {
+                string errorMessage = ErrorStrings.NullReference + $"Factored combination {source.Name} Id={source.Id} does not have list of forces";
+                TraceLogger?.AddMessage(errorMessage, TraceLogStatuses.Error);
+                throw new StructureHelperException(errorMessage);
+            }
+        }
+        private void SetPoint(IForceFactoredList source, ForceFactoredListDTO newItem)
+        {
+            if (source.ForcePoint is not null)
+            {
+                var convertLogic = new DictionaryConvertStrategy<Point2DDTO, IPoint2D>(this, pointConvertStrategy);
+                newItem.ForcePoint = convertLogic.Convert(source.ForcePoint);
+            }
+            else
+            {
+                string errorMessage = ErrorStrings.NullReference + $"Factored combination {source.Name} Id={source.Id} does not have force point";
+                TraceLogger?.AddMessage(errorMessage, TraceLogStatuses.Error);
+                throw new StructureHelperException(errorMessage);
+            }
+        }
+        private void SetCombinationProperty(IForceFactoredList source, ForceFactoredListDTO newItem)
+        {
+            if (source.CombinationProperty is not null)
+            {
+                var convertLogic = new DictionaryConvertStrategy<FactoredCombinationPropertyDTO, IFactoredCombinationProperty>(this, combinationPropertyConvertStrategy);
+                newItem.CombinationProperty = convertLogic.Convert(source.CombinationProperty);
+            }
+            else
+            {
+                string errorMessage = ErrorStrings.NullReference + $"Factored combination {source.Name} Id={source.Id} does not have combination properties";
+                TraceLogger?.AddMessage(errorMessage, TraceLogStatuses.Error);
+                throw new StructureHelperException(errorMessage);
+            }
+        }
+
+    }
+}

DataAccess/DTOs/Converters/Forces/ForceTupleFromDTOConvertStrategy.cs

@@ -0,0 +1,28 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+
+namespace DataAccess.DTOs
+{
+    public class ForceTupleFromDTOConvertStrategy : ConvertStrategy<ForceTuple, ForceTupleDTO>
+    {
+        private IUpdateStrategy<IForceTuple> updateStrategy;
+
+        public ForceTupleFromDTOConvertStrategy()
+        {
+        }
+
+        public ForceTupleFromDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override ForceTuple GetNewItem(ForceTupleDTO source)
+        {
+            updateStrategy ??= new ForceTupleUpdateStrategy();
+            ForceTuple newItem = new(source.Id);
+            updateStrategy.Update(newItem, source);
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/Forces/ForceTupleToDTOConvertStrategy.cs

@@ -0,0 +1,50 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+
+namespace DataAccess.DTOs
+{
+    public class ForceTupleToDTOConvertStrategy : ConvertStrategy<ForceTupleDTO, IForceTuple>
+    {
+        private IUpdateStrategy<IForceTuple> updateStrategy;
+
+        public ForceTupleToDTOConvertStrategy(IUpdateStrategy<IForceTuple> updateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+        }
+
+        public ForceTupleToDTOConvertStrategy() : this(new ForceTupleUpdateStrategy())
+        {
+            
+        }
+
+        public ForceTupleToDTOConvertStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+            : base(referenceDictionary, traceLogger)
+        {
+        }
+
+        public override ForceTupleDTO GetNewItem(IForceTuple source)
+        {
+            try
+            {
+                GetNewBeamForceTuple(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+
+        }
+
+        private void GetNewBeamForceTuple(IForceTuple source)
+        {
+            TraceLogger?.AddMessage($"Converting of force tuple Id = {source.Id} has been started", TraceLogStatuses.Debug);
+            updateStrategy ??= new ForceTupleUpdateStrategy();
+            NewItem = new(source.Id);
+            updateStrategy.Update(NewItem, source);
+            TraceLogger?.AddMessage($"Converting of force tuple Id = {source.Id} has been finished", TraceLogStatuses.Debug);
+        }
+    }
+}

DataAccess/DTOs/Converters/HasCalculatorsFromDTOUpdateStrategy.cs

@@ -0,0 +1,30 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Calculators;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs.Converters
+{
+    public class HasCalculatorsFromDTOUpdateStrategy : IUpdateStrategy<IHasCalculators>
+    {
+        private IConvertStrategy<ICalculator, ICalculator> convertStrategy;
+
+        public HasCalculatorsFromDTOUpdateStrategy(IConvertStrategy<ICalculator, ICalculator> convertStrategy)
+        {
+            this.convertStrategy = convertStrategy;
+        }
+
+        public void Update(IHasCalculators targetObject, IHasCalculators sourceObject)
+        {
+            targetObject.Calculators.Clear();
+            foreach (var item in sourceObject.Calculators)
+            {
+                var newItem = convertStrategy.Convert(item);
+                targetObject.Calculators.Add(newItem);
+            }
+        }
+    }
+}

DataAccess/DTOs/Converters/HasCalculatorsToDTOUpdateStrategy.cs

@@ -0,0 +1,52 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Calculators;
+using StructureHelperLogics.NdmCalculations.Primitives;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs.Converters
+{
+    public class HasCalculatorsToDTOUpdateStrategy : IUpdateStrategy<IHasCalculators>
+    {
+        private IConvertStrategy<ICalculator, ICalculator> convertStrategy;
+
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+        public IShiftTraceLogger TraceLogger { get; set; }
+
+        public HasCalculatorsToDTOUpdateStrategy(IConvertStrategy<ICalculator, ICalculator> convertStrategy)
+        {
+            this.convertStrategy = convertStrategy;
+        }
+
+        public HasCalculatorsToDTOUpdateStrategy() : this(new CalculatorToDTOConvertStrategy())
+        {
+            
+        }
+
+        public void Update(IHasCalculators targetObject, IHasCalculators sourceObject)
+        {
+            if (sourceObject.Calculators is null)
+            {
+                throw new StructureHelperException(ErrorStrings.ParameterIsNull);
+            }
+            targetObject.Calculators.Clear();
+            ProcessCalculators(targetObject, sourceObject);
+        }
+
+        private void ProcessCalculators(IHasCalculators targetObject, IHasCalculators sourceObject)
+        {
+            convertStrategy.ReferenceDictionary = ReferenceDictionary;
+            convertStrategy.TraceLogger = TraceLogger;
+            foreach (var item in sourceObject.Calculators)
+            {
+                ICalculator newItem = convertStrategy.Convert(item);
+                targetObject.Calculators.Add(newItem);
+            }
+        }
+    }
+}

DataAccess/DTOs/Converters/HasForceActionToDTOUpdateStrategy.cs

@@ -0,0 +1,55 @@
+using DataAccess.DTOs.Converters;
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperLogics.Models.CrossSections;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.CompilerServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class HasForceActionToDTOUpdateStrategy : IUpdateStrategy<IHasForceActions>
+    {
+        private readonly IConvertStrategy<IForceAction, IForceAction> forceActionStrategy;
+
+        public HasForceActionToDTOUpdateStrategy(IConvertStrategy<IForceAction, IForceAction> forceActionStrategy)
+        {
+            this.forceActionStrategy = forceActionStrategy;
+        }
+
+        public HasForceActionToDTOUpdateStrategy() : this (new ForceActionToDTOConvertStrategy())
+        {
+            
+        }
+
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+        public IShiftTraceLogger TraceLogger { get; set; }
+
+        public void Update(IHasForceActions targetObject, IHasForceActions sourceObject)
+        {
+            if (sourceObject.ForceActions is null)
+            {
+                throw new StructureHelperException(ErrorStrings.ParameterIsNull);
+            }
+            targetObject.ForceActions.Clear();
+            targetObject.ForceActions.AddRange(ProcessForceActions(sourceObject.ForceActions));
+        }
+
+        private List<IForceAction> ProcessForceActions(List<IForceAction> source)
+        {
+            List<IForceAction> forceActions = new();
+            forceActionStrategy.ReferenceDictionary = ReferenceDictionary;
+            forceActionStrategy.TraceLogger = TraceLogger;
+            foreach (var item in source)
+            {
+                forceActions.Add(forceActionStrategy.Convert(item));
+            }
+            return forceActions;
+        }
+    }
+}

DataAccess/DTOs/Converters/HasForceActionsFromDTOUpdateStrategy.cs

@@ -0,0 +1,28 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperCommon.Services;
+
+namespace DataAccess.DTOs
+{
+    public class HasForceActionsFromDTOUpdateStrategy : IUpdateStrategy<IHasForceActions>
+    {
+        private readonly IConvertStrategy<IForceAction, IForceAction> convertStrategy;
+
+        public HasForceActionsFromDTOUpdateStrategy(IConvertStrategy<IForceAction, IForceAction> convertStrategy)
+        {
+            this.convertStrategy = convertStrategy;
+        }
+
+        public void Update(IHasForceActions targetObject, IHasForceActions sourceObject)
+        {
+            CheckObject.ThrowIfNull(targetObject, sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            targetObject.ForceActions.Clear();
+            foreach (var item in sourceObject.ForceActions)
+            {
+                var newItem = convertStrategy.Convert(item);
+                targetObject.ForceActions.Add(newItem);
+            }
+        }
+    }
+}

DataAccess/DTOs/Converters/HasForceActionsProcessLogic.cs

@@ -0,0 +1,66 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Forces;
+
+namespace DataAccess.DTOs
+{
+    public class HasForceActionsProcessLogic : IHasForceActionsProcessLogic
+    {
+        private const string convertStarted = " converting is started";
+        private const string convertFinished = " converting has been finished successfully";
+        private IConvertStrategy<IForceAction, IForceAction> convertStrategy;
+        private DictionaryConvertStrategy<IForceAction, IForceAction> convertLogic;
+        private ConvertDirection convertDirection;
+
+        public HasForceActionsProcessLogic(ConvertDirection convertDirection)
+        {
+            this.convertDirection = convertDirection;
+        }
+
+        public IShiftTraceLogger TraceLogger { get; set; }
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+
+        public IHasForceActions Source { get; set; }
+        public IHasForceActions Target { get; set; }
+        public void Process()
+        {
+            TraceLogger?.AddMessage("Actions" + convertStarted);
+            HasForceActionsFromDTOUpdateStrategy updateStrategy = GetUpdateStrategyFactory();
+            updateStrategy.Update(Target, Source);
+            TraceLogger?.AddMessage("Actions" + convertFinished);
+        }
+
+        private HasForceActionsFromDTOUpdateStrategy GetUpdateStrategyFactory()
+        {
+            if (convertDirection == ConvertDirection.FromDTO)
+            {
+                convertStrategy ??= new ForceActionFromDTOConvertStrategy()
+                {
+                    ReferenceDictionary = ReferenceDictionary,
+                    TraceLogger = TraceLogger
+                };
+            }
+            else if (convertDirection == ConvertDirection.ToDTO)
+            {
+                convertStrategy ??= new ForceActionToDTOConvertStrategy()
+                {
+                    ReferenceDictionary = ReferenceDictionary,
+                    TraceLogger = TraceLogger
+                };
+            }
+            else
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(convertDirection));
+            }
+            convertLogic ??= new()
+            {
+                ReferenceDictionary = ReferenceDictionary,
+                TraceLogger = TraceLogger,
+                ConvertStrategy = convertStrategy
+            };
+            HasForceActionsFromDTOUpdateStrategy updateStrategy = new(convertLogic);
+            return updateStrategy;
+        }
+    }
+}

DataAccess/DTOs/Converters/HasForcesAndPrimitivesProcessLogic.cs

@@ -0,0 +1,67 @@
+using DataAccess.DTOs.Converters;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Services;
+using StructureHelperLogics.NdmCalculations.Primitives;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace DataAccess.DTOs
+{
+    public class HasForcesAndPrimitivesProcessLogic : IProcessLogic<IHasForcesAndPrimitives>
+    {
+        private ConvertDirection convertDirection;
+        private IProcessLogic<IHasForceActions> forcesLogic;
+        private IProcessLogic<IHasPrimitives> primitivesLogic;
+        private IProcessLogic<IHasForceActions> ForcesLogic => forcesLogic ??= new HasForceActionsProcessLogic(convertDirection) { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger};
+        private IProcessLogic<IHasPrimitives> PrimitivesLogic => primitivesLogic ??=new HasPrimitivesProcessLogic(convertDirection) { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger };
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+        public IHasForcesAndPrimitives Source { get; set; }
+        public IHasForcesAndPrimitives Target { get; set; }
+        public IShiftTraceLogger TraceLogger { get; set; }
+
+        public HasForcesAndPrimitivesProcessLogic(ConvertDirection convertDirection)
+        {
+            this.convertDirection = convertDirection;
+        }
+
+        public HasForcesAndPrimitivesProcessLogic(
+            ConvertDirection convertDirection,
+            IProcessLogic<IHasForceActions> forcesLogic,
+            IProcessLogic<IHasPrimitives> primitivesLogic)
+        {
+            this.convertDirection = convertDirection;
+            this.forcesLogic = forcesLogic;
+            this.primitivesLogic = primitivesLogic;
+        }
+
+        public void Process()
+        {
+            Check();
+            ProcessForces();
+            ProcessPrimitives();
+        }
+
+        private void Check()
+        {
+            CheckObject.ThrowIfNull(ReferenceDictionary, ": reference dictionary");
+            CheckObject.ThrowIfNull(Source, ": source object");
+            CheckObject.ThrowIfNull(Target, ": target object");
+        }
+
+        private void ProcessPrimitives()
+        {
+            PrimitivesLogic.Source = Source;
+            PrimitivesLogic.Target = Target;
+            PrimitivesLogic.Process();
+        }
+
+        private void ProcessForces()
+        {
+            ForcesLogic.Source = Source;
+            ForcesLogic.Target = Target;
+            ForcesLogic.Process();
+        }
+    }
+}

DataAccess/DTOs/Converters/HasVisualPropertyFromDTOUpdateStrategy.cs

@@ -0,0 +1,37 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.VisualProperties;
+using StructureHelperCommon.Services;
+
+namespace DataAccess.DTOs
+{
+    public class HasVisualPropertyFromDTOUpdateStrategy : IUpdateStrategy<IHasVisualProperty>
+    {
+        private Dictionary<(Guid id, Type type), ISaveable> referenceDictionary;
+        private IShiftTraceLogger traceLogger;
+        private IConvertStrategy<PrimitiveVisualProperty, PrimitiveVisualPropertyDTO> convertStrategy;
+
+        public HasVisualPropertyFromDTOUpdateStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+        {
+            this.referenceDictionary = referenceDictionary;
+            this.traceLogger = traceLogger;
+        }
+
+        public void Update(IHasVisualProperty targetObject, IHasVisualProperty sourceObject)
+        {
+            CheckObject.ThrowIfNull(targetObject);
+            CheckObject.ThrowIfNull(sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            convertStrategy = new DictionaryConvertStrategy<PrimitiveVisualProperty, PrimitiveVisualPropertyDTO>(
+                referenceDictionary,
+                traceLogger,
+                new PrimitiveVisualPropertyFromDTOConvertStrategy(referenceDictionary, traceLogger));
+            if (sourceObject.VisualProperty is not PrimitiveVisualPropertyDTO visualProperty)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(sourceObject.VisualProperty));
+            }
+            targetObject.VisualProperty = convertStrategy.Convert(visualProperty);
+        }
+    }
+}

DataAccess/DTOs/Converters/HasVisualPropertyToDTOUpdateStrategy.cs

@@ -0,0 +1,33 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.VisualProperties;
+using StructureHelperCommon.Services;
+
+namespace DataAccess.DTOs
+{
+    public class HasVisualPropertyToDTOUpdateStrategy : IUpdateStrategy<IHasVisualProperty>
+    {
+        private Dictionary<(Guid id, Type type), ISaveable> referenceDictionary;
+        private IShiftTraceLogger traceLogger;
+        private IConvertStrategy<PrimitiveVisualPropertyDTO, IPrimitiveVisualProperty> convertStrategy;
+
+
+        public HasVisualPropertyToDTOUpdateStrategy(Dictionary<(Guid id, Type type), ISaveable> referenceDictionary, IShiftTraceLogger traceLogger)
+        {
+            this.referenceDictionary = referenceDictionary;
+            this.traceLogger = traceLogger;
+        }
+
+        public void Update(IHasVisualProperty targetObject, IHasVisualProperty sourceObject)
+        {
+            CheckObject.ThrowIfNull(targetObject);
+            CheckObject.ThrowIfNull(sourceObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            convertStrategy = new DictionaryConvertStrategy<PrimitiveVisualPropertyDTO, IPrimitiveVisualProperty>(
+                referenceDictionary,
+                traceLogger,
+                new PrimitiveVisualPropertyToDTOConvertStrategy(referenceDictionary, traceLogger));
+            targetObject.VisualProperty = convertStrategy.Convert(sourceObject.VisualProperty);
+        }
+    }
+}

DataAccess/DTOs/Converters/IHasForceActionsProcessLogic.cs

@@ -0,0 +1,13 @@
+using DataAccess.DTOs.Converters;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+
+namespace DataAccess.DTOs
+{
+    /// <summary>
+    /// Logic for antities which have force actions
+    /// </summary>
+    public interface IHasForceActionsProcessLogic : IProcessLogic<IHasForceActions>
+    {
+    }
+}

DataAccess/DTOs/Converters/IHasPrimitivesProcessLogic.cs

@@ -0,0 +1,10 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.NdmCalculations.Primitives;
+
+namespace DataAccess.DTOs.Converters
+{
+    public interface IHasPrimitivesProcessLogic : IProcessLogic<IHasPrimitives>
+    {
+    }
+}

DataAccess/DTOs/Converters/IProcessLogic.cs

@@ -0,0 +1,17 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace DataAccess.DTOs
+{
+    public interface IProcessLogic<T>
+    {
+        Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+        T Source { get; set; }
+        T Target { get; set; }
+        IShiftTraceLogger TraceLogger { get; set; }
+        void Process();
+    }
+}

DataAccess/DTOs/Converters/Materials/ConcreteLibMaterialFromDTOConvertStrategy.cs

@@ -0,0 +1,35 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class ConcreteLibMaterialFromDTOConvertStrategy : ConvertStrategy<ConcreteLibMaterial, ConcreteLibMaterialDTO>
+    {
+        private readonly IUpdateStrategy<IConcreteLibMaterial> updateStrategy;
+
+        public ConcreteLibMaterialFromDTOConvertStrategy(IUpdateStrategy<IConcreteLibMaterial> updateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+        }
+
+        public ConcreteLibMaterialFromDTOConvertStrategy() : this (new ConcreteLibUpdateStrategy())
+        {
+            
+        }
+
+        public override ConcreteLibMaterial GetNewItem(ConcreteLibMaterialDTO source)
+        {
+            TraceLogger?.AddMessage("Concrete library material converting is started", TraceLogStatuses.Service);
+            ConcreteLibMaterial newItem = new(source.Id);
+            updateStrategy.Update(newItem, source);
+            TraceLogger?.AddMessage("Concrete library material converting has been finished successfully", TraceLogStatuses.Service);
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/Materials/ConcreteLibMaterialToDTOConvertStrategy.cs

@@ -0,0 +1,20 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.Models.Materials;
+
+namespace DataAccess.DTOs
+{
+    public class ConcreteLibMaterialToDTOConvertStrategy : LibMaterialToDTOConvertStrategy<ConcreteLibMaterialDTO, IConcreteLibMaterial>
+    {
+
+        public override IUpdateStrategy<IConcreteLibMaterial> UpdateStrategy { get; } = new ConcreteLibUpdateStrategy();
+
+        public override ConcreteLibMaterialDTO GetMaterialDTO(IConcreteLibMaterial source)
+        {
+            ConcreteLibMaterialDTO newItem = new()
+            {
+                Id = source.Id
+            };
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/Materials/ElasticMaterialFromDTOConvertStrategy.cs

@@ -0,0 +1,35 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class ElasticMaterialFromDTOConvertStrategy : ConvertStrategy<ElasticMaterial, ElasticMaterialDTO>
+    {
+        private readonly IUpdateStrategy<IElasticMaterial> updateStrategy;
+
+        public ElasticMaterialFromDTOConvertStrategy(IUpdateStrategy<IElasticMaterial> updateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+        }
+
+        public ElasticMaterialFromDTOConvertStrategy() : this (new ElasticUpdateStrategy())
+        {
+            
+        }
+
+        public override ElasticMaterial GetNewItem(ElasticMaterialDTO source)
+        {
+            TraceLogger?.AddMessage("Elastic material converting is started", TraceLogStatuses.Service);
+            ElasticMaterial newItem = new(source.Id);
+            updateStrategy.Update(newItem, source);
+            TraceLogger?.AddMessage("Elastic material converting has been finished successfully", TraceLogStatuses.Service);
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/Materials/ElasticMaterialToDTOConvertStrategy.cs

@@ -0,0 +1,62 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Analyses;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperLogics.Models.CrossSections;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class ElasticMaterialToDTOConvertStrategy : IConvertStrategy<ElasticMaterialDTO, IElasticMaterial>
+    {
+        private IUpdateStrategy<IElasticMaterial> updateStrategy;
+        private ICheckConvertLogic<ElasticMaterialDTO, IElasticMaterial> checkLogic;
+
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+        public IShiftTraceLogger TraceLogger { get; set; }
+
+        public ElasticMaterialToDTOConvertStrategy(
+            IUpdateStrategy<IElasticMaterial> updateStrategy,
+            ICheckConvertLogic<ElasticMaterialDTO, IElasticMaterial> checkLogic)
+        {
+            this.updateStrategy = updateStrategy;
+            this.checkLogic = checkLogic;
+        }
+
+        public ElasticMaterialToDTOConvertStrategy() : this (
+            new ElasticUpdateStrategy(),
+            new CheckConvertLogic<ElasticMaterialDTO, IElasticMaterial>())
+        {
+            
+        }
+
+        public ElasticMaterialDTO Convert(IElasticMaterial source)
+        {
+            Check();
+            try
+            {
+                ElasticMaterialDTO newItem = new() { Id = source.Id };
+                updateStrategy.Update(newItem, source);
+                return newItem;
+            }
+            catch (Exception ex)
+            {
+                TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Debug);
+                TraceLogger?.AddMessage(ex.Message, TraceLogStatuses.Error);
+                throw;
+            }
+
+        }
+
+        private void Check()
+        {
+            checkLogic = new CheckConvertLogic<ElasticMaterialDTO, IElasticMaterial>(this);
+            checkLogic.Check();
+        }
+    }
+}

DataAccess/DTOs/Converters/Materials/FRMaterialFromDTOConvertStrategy.cs

@@ -0,0 +1,35 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class FRMaterialFromDTOConvertStrategy : ConvertStrategy<FRMaterial, FRMaterialDTO>
+    {
+        private IUpdateStrategy<IFRMaterial> updateStrategy;
+
+        public FRMaterialFromDTOConvertStrategy(IUpdateStrategy<IFRMaterial> updateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+        }
+
+        public FRMaterialFromDTOConvertStrategy() : this(new FRUpdateStrategy())
+        {
+            
+        }
+
+        public override FRMaterial GetNewItem(FRMaterialDTO source)
+        {
+            TraceLogger?.AddMessage("Fiber reinforcement material converting is started", TraceLogStatuses.Service);
+            FRMaterial newItem = new(source.MaterialType, source.Id);
+            updateStrategy.Update(newItem, source);
+            TraceLogger?.AddMessage("FiberReinforcement material converting has been finished successfully", TraceLogStatuses.Service);
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/Materials/FRMaterialToDTOConvertStrategy.cs

@@ -0,0 +1,48 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperLogics.Models.Materials;
+
+namespace DataAccess.DTOs
+{
+    public class FRMaterialToDTOConvertStrategy : IConvertStrategy<FRMaterialDTO, IFRMaterial>
+    {
+        private IUpdateStrategy<IFRMaterial> updateStrategy;
+
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+        public IShiftTraceLogger TraceLogger { get; set; }
+
+        public FRMaterialToDTOConvertStrategy(IUpdateStrategy<IFRMaterial> updateStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+        }
+
+        public FRMaterialToDTOConvertStrategy() : this (new FRUpdateStrategy())
+        {
+            
+        }
+
+        public FRMaterialDTO Convert(IFRMaterial source)
+        {
+            Check();
+            try
+            {
+                FRMaterialDTO newItem = new() { Id = source.Id };
+                updateStrategy.Update(newItem, source);
+                return newItem;
+            }
+            catch (Exception ex)
+            {
+                TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Debug);
+                TraceLogger?.AddMessage(ex.Message, TraceLogStatuses.Error);
+                throw;
+            }
+        }
+
+        private void Check()
+        {
+            var checkLogic = new CheckConvertLogic<FRMaterialDTO, IFRMaterial>(this);
+            checkLogic.Check();
+        }
+    }
+}

DataAccess/DTOs/Converters/Materials/HasMaterialFromDTOUpdateStrategy.cs

@@ -0,0 +1,37 @@
+using StructureHelper.Models.Materials;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+//Copyright (c) 2024 Redikultsev Evgeny, Ekaterinburg, Russia
+//All rights reserved.
+
+namespace DataAccess.DTOs
+{
+    /// <summary>
+    /// Creates copies of materials from source and adds them into target material list
+    /// </summary>
+    public class HasMaterialFromDTOUpdateStrategy : IUpdateStrategy<IHasHeadMaterials>
+    {
+        private readonly IConvertStrategy<IHeadMaterial, IHeadMaterial> convertStrategy;
+
+        public HasMaterialFromDTOUpdateStrategy(IConvertStrategy<IHeadMaterial, IHeadMaterial> convertStrategy)
+        {
+            this.convertStrategy = convertStrategy;
+        }
+
+        public void Update(IHasHeadMaterials targetObject, IHasHeadMaterials sourceObject)
+        {
+            targetObject.HeadMaterials.Clear();
+            foreach (var item in sourceObject.HeadMaterials)
+            {
+                var newItem = convertStrategy.Convert(item);
+                targetObject.HeadMaterials.Add(newItem);
+            }
+        }
+    }
+}

DataAccess/DTOs/Converters/Materials/HeadMaterialFromDTOConvertStrategy.cs

@@ -0,0 +1,59 @@
+using DataAccess.DTOs.Converters;
+using StructureHelper.Models.Materials;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperCommon.Models.Materials;
+using StructureHelperLogics.Models.CrossSections;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs
+{
+    public class HeadMaterialFromDTOConvertStrategy : ConvertStrategy<IHeadMaterial, IHeadMaterial>
+    {
+        private IUpdateStrategy<IHeadMaterial> updateStrategy;
+        private IConvertStrategy<IHelperMaterial, IHelperMaterial> helperMaterialConvertStrategy;
+
+        public HeadMaterialFromDTOConvertStrategy(
+            IUpdateStrategy<IHeadMaterial> updateStrategy,
+            IConvertStrategy<IHelperMaterial, IHelperMaterial> helperMaterialConvertStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+            this.helperMaterialConvertStrategy = helperMaterialConvertStrategy;
+        }
+
+        public HeadMaterialFromDTOConvertStrategy() : this (
+            new HeadMaterialBaseUpdateStrategy(),
+            new HelperMaterialFromDTOConvertStrategy())
+        {
+            
+        }
+        public override IHeadMaterial GetNewItem(IHeadMaterial source)
+        {
+            TraceLogger?.AddMessage("Head material converting is started", TraceLogStatuses.Service);
+            HeadMaterial newItem = new(source.Id);
+            updateStrategy.Update(newItem, source);
+            IHelperMaterial helperMaterial = GetHelperMaterial(source.HelperMaterial);
+            newItem.HelperMaterial = helperMaterial;
+            //GlobalRepository
+            TraceLogger?.AddMessage($"Head material Name = {newItem.Name} converting has been finished successfully", TraceLogStatuses.Service);
+            return newItem;
+        }
+
+        private IHelperMaterial GetHelperMaterial(IHelperMaterial source)
+        {
+            TraceLogger?.AddMessage("Helper material converting is started", TraceLogStatuses.Service);
+            helperMaterialConvertStrategy.ReferenceDictionary = ReferenceDictionary;
+            helperMaterialConvertStrategy.TraceLogger = TraceLogger;
+            IHelperMaterial newItem = helperMaterialConvertStrategy.Convert(source);
+            TraceLogger?.AddMessage($"Object of type <<{newItem.GetType()}>> was obtained", TraceLogStatuses.Service);
+            return newItem;
+        }
+
+    }
+}

DataAccess/DTOs/Converters/Materials/HeadMaterialToDTOConvertStrategy.cs

@@ -0,0 +1,66 @@
+using StructureHelper.Models.Materials;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models;
+using StructureHelperCommon.Models.Loggers;
+using StructureHelperCommon.Models.Materials;
+using StructureHelperLogics.Models.CrossSections;
+using StructureHelperLogics.Models.Materials;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataAccess.DTOs.Converters
+{
+    public class HeadMaterialToDTOConvertStrategy : IConvertStrategy<HeadMaterialDTO, IHeadMaterial>
+    {
+        private IUpdateStrategy<IHeadMaterial> updateStrategy;
+        private IConvertStrategy<IHelperMaterial, IHelperMaterial> convertStrategy;
+
+        public HeadMaterialToDTOConvertStrategy(IUpdateStrategy<IHeadMaterial> updateStrategy,
+            IConvertStrategy<IHelperMaterial, IHelperMaterial> convertStrategy)
+        {
+            this.updateStrategy = updateStrategy;
+            this.convertStrategy = convertStrategy;
+        }
+
+        public HeadMaterialToDTOConvertStrategy() : this (
+            new HeadMaterialUpdateStrategy(),
+            new HelperMaterialToDTOConvertStrategy())
+        {
+            
+        }
+
+        public Dictionary<(Guid id, Type type), ISaveable> ReferenceDictionary { get; set; }
+        public IShiftTraceLogger TraceLogger { get; set; }
+
+        public HeadMaterialDTO Convert(IHeadMaterial source)
+        {
+            try
+            {
+                return GetMaterial(source);
+            }
+            catch (Exception ex)
+            {
+                TraceLogger?.AddMessage(LoggerStrings.LogicType(this), TraceLogStatuses.Debug);
+                TraceLogger?.AddMessage(ex.Message, TraceLogStatuses.Error);
+                throw;
+            }
+        }
+
+        private HeadMaterialDTO GetMaterial(IHeadMaterial source)
+        {
+            TraceLogger?.AddMessage($"Convert material Id={source.Id}, name is {source.Name}");
+            HeadMaterialDTO newItem = new()
+            {
+                Id = source.Id
+            };
+            updateStrategy.Update(newItem, source);
+            convertStrategy.ReferenceDictionary = ReferenceDictionary;
+            var convertLogic = new DictionaryConvertStrategy<IHelperMaterial, IHelperMaterial>(this, convertStrategy);
+            newItem.HelperMaterial = convertLogic.Convert(source.HelperMaterial);
+            return newItem;
+        }
+    }
+}

DataAccess/DTOs/Converters/Materials/HelperMaterialDTOSafetyFactorUpdateStrategy.cs

@@ -0,0 +1,66 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Materials;
+using StructureHelperCommon.Models.Materials.Libraries;
+using StructureHelperCommon.Services;
+
+namespace DataAccess.DTOs
+{
+    public class HelperMaterialDTOSafetyFactorUpdateStrategy : IUpdateStrategy<IHelperMaterial>
+    {
+        private IUpdateStrategy<IMaterialSafetyFactor> safetyFactorUpdateStrategy;
+        private IUpdateStrategy<IMaterialPartialFactor> partialFactorUpdateStrategy;
+        private IMaterialSafetyFactorDTOLogic factorDTOLogic;
+
+        public HelperMaterialDTOSafetyFactorUpdateStrategy(
+            IUpdateStrategy<IMaterialSafetyFactor> safetyFactorUpdateStrategy,
+            IUpdateStrategy<IMaterialPartialFactor> partialFactorUpdateStrategy)
+        {
+            this.safetyFactorUpdateStrategy = safetyFactorUpdateStrategy;
+            this.partialFactorUpdateStrategy = partialFactorUpdateStrategy;
+        }
+
+        public HelperMaterialDTOSafetyFactorUpdateStrategy(IMaterialSafetyFactorDTOLogic factorDTOLogic) : this(
+            new MaterialSafetyFactorBaseUpdateStrategy(),
+            new MaterialPartialFactorUpdateStrategy())
+        {
+            this.factorDTOLogic = factorDTOLogic;
+        }
+
+        public void Update(IHelperMaterial targetObject, IHelperMaterial sourceObject)
+        {
+            CheckObject.ThrowIfNull(sourceObject);
+            CheckObject.ThrowIfNull(targetObject);
+            if (ReferenceEquals(targetObject, sourceObject)) { return; }
+            if (sourceObject.SafetyFactors is not null)
+            {
+                targetObject.SafetyFactors.Clear();
+                foreach (var safetyFactor in sourceObject.SafetyFactors)
+                {
+                    IMaterialSafetyFactor newSafetyFactor = GetNewSafetyFactorByOld(safetyFactor);
+                    targetObject.SafetyFactors.Add(newSafetyFactor);
+                }
+            }
+        }
+
+        private IMaterialSafetyFactor GetNewSafetyFactorByOld(IMaterialSafetyFactor safetyFactor)
+        {
+            IMaterialSafetyFactor newSafetyFactor = factorDTOLogic.GetNewSafetyFactorByOld(safetyFactor);
+            safetyFactorUpdateStrategy.Update(newSafetyFactor, safetyFactor);
+            newSafetyFactor.PartialFactors.Clear();
+            foreach (var partialFactor in safetyFactor.PartialFactors)
+            {
+                IMaterialPartialFactor newPartialFactor = GetNewPartialFactorByOld(partialFactor);
+                newSafetyFactor.PartialFactors.Add(newPartialFactor);
+            }
+
+            return newSafetyFactor;
+        }
+
+        private IMaterialPartialFactor GetNewPartialFactorByOld(IMaterialPartialFactor partialFactor)
+        {
+            IMaterialPartialFactor newPartialFactor = factorDTOLogic.GetNewPartialFactorByOld(partialFactor);
+            partialFactorUpdateStrategy.Update(newPartialFactor, partialFactor);
+            return newPartialFactor;
+        }
+    }
+}