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StructureHelperLogics/Models/CrossSections/CrossSectionRepository.cs

@@ -7,12 +7,16 @@ namespace StructureHelperLogics.Models.CrossSections
 {
     public class CrossSectionRepository : ICrossSectionRepository
     {
+        private RepositoryOperationsLogic operations;
+
         public Guid Id { get; }
         public List<IForceAction> ForceActions { get; private set; } = new();
         public List<IHeadMaterial> HeadMaterials { get; private set; } = new();
         public List<INdmPrimitive> Primitives { get; } = new();
         public List<ICalculator> Calculators { get; private set; } = new();
 
+        public IRepositoryOperationsLogic Operations => operations ??= new RepositoryOperationsLogic(this);
+
         public CrossSectionRepository(Guid id)
         {
             Id = id;

StructureHelperLogics/Models/CrossSections/ICrossSectionRepository.cs

@@ -1,13 +1,15 @@
 using StructureHelperCommon.Infrastructures.Interfaces;
 using StructureHelperCommon.Models.Calculators;
-using StructureHelperCommon.Models.Forces;
 using StructureHelperLogics.Models.Materials;
 using StructureHelperLogics.NdmCalculations.Primitives;
 
 namespace StructureHelperLogics.Models.CrossSections
 {
+    /// <summary>
+    /// Repository of members of cross-section
+    /// </summary>
     public interface ICrossSectionRepository : ISaveable, IHasHeadMaterials, IHasForcesAndPrimitives, IHasCalculators
     {
-       
+       IRepositoryOperationsLogic Operations { get; }
     }
 }

StructureHelperLogics/Models/CrossSections/IRepositoryOperationsLogic.cs

@@ -0,0 +1,13 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.NdmCalculations.Primitives;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace StructureHelperLogics.Models.CrossSections
+{
+    public interface IRepositoryOperationsLogic
+    {
+        IRepositoryOperation<ICrossSectionRepository, INdmPrimitive> Primitives { get; }
+    }
+}

StructureHelperLogics/Models/CrossSections/RepositoryOperationsLogic.cs

@@ -0,0 +1,18 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperLogics.NdmCalculations.Primitives;
+
+namespace StructureHelperLogics.Models.CrossSections
+{
+    public class RepositoryOperationsLogic : IRepositoryOperationsLogic
+    {
+        private ICrossSectionRepository repository;
+        private RepositoryPrimitiveOperation primitiveLogic;
+
+        public RepositoryOperationsLogic(ICrossSectionRepository repository)
+        {
+            this.repository = repository;
+        }
+
+        public IRepositoryOperation<ICrossSectionRepository, INdmPrimitive> Primitives => primitiveLogic ??= new RepositoryPrimitiveOperation(repository);
+    }
+}