Change convert strategies to save xls imported forces

DataAccess/DTOs/Converters/ForceCalculatorFromDTOConvertStrategy.cs

@@ -1,25 +1,37 @@
 using StructureHelperCommon.Infrastructures.Interfaces;
 using StructureHelperLogics.NdmCalculations.Analyses.ByForces;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace DataAccess.DTOs
 {
     public class ForceCalculatorFromDTOConvertStrategy : ConvertStrategy<ForceCalculator, ForceCalculatorDTO>
     {
-        
-        private IConvertStrategy<ForceCalculatorInputData, ForceCalculatorInputDataDTO> inputDataConvertStrategy = new ForceCalculatorInputDataFromDTOConvertStrategy();
+
+        private IConvertStrategy<ForceCalculatorInputData, ForceCalculatorInputDataDTO> inputDataConvertStrategy;
         public override ForceCalculator GetNewItem(ForceCalculatorDTO source)
+        {
+            InitializeStrategies();
+            try
+            {
+                GetNewItemBySource(source);
+                return NewItem;
+            }
+            catch (Exception ex)
+            {
+                TraceErrorByEntity(this, ex.Message);
+                throw;
+            }
+        }
+
+        private void InitializeStrategies()
+        {
+            inputDataConvertStrategy ??= new ForceCalculatorInputDataFromDTOConvertStrategy() { ReferenceDictionary = ReferenceDictionary, TraceLogger = TraceLogger};
+        }
+
+        private void GetNewItemBySource(ForceCalculatorDTO source)
         {
             NewItem = new(source.Id);
             NewItem.Name = source.Name;
-            inputDataConvertStrategy.ReferenceDictionary = ReferenceDictionary;
-            inputDataConvertStrategy.TraceLogger = TraceLogger;
             NewItem.InputData = inputDataConvertStrategy.Convert(source.InputData as ForceCalculatorInputDataDTO);
-            return NewItem;
         }
     }
 }