Add triangulation of polygon

DataAccess/DTOs/Converters/NdmCrossSections/NdmElementFromDTOConvertStrategy.cs

@@ -0,0 +1,36 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Forces;
+using StructureHelperLogics.NdmCalculations.Primitives;
+using StructureHelperLogics.NdmCalculations.Primitives.Logics;
+
+namespace DataAccess.DTOs
+{
+    public class NdmElementFromDTOConvertStrategy : ConvertStrategy<INdmElement, INdmElement>
+    {
+        private IUpdateStrategy<INdmElement> updateStrategy;
+        private IUpdateStrategy<IForceTuple> forceUpdateStrategy = new ForceTupleUpdateStrategy();
+        private NdmElement newItem;
+
+        public NdmElementFromDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override INdmElement GetNewItem(INdmElement source)
+        {
+            if (source is not NdmElementDTO sourceDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source));
+            }
+            newItem = new NdmElement(sourceDTO.Id);
+            updateStrategy = new NdmElementUpdateStrategy() { UpdateChildren = false};
+            updateStrategy.Update(newItem, sourceDTO);
+            forceUpdateStrategy.Update(newItem.UsersPrestrain, source.UsersPrestrain);
+            //newItem.UsersPrestrain.Id = source.UsersPrestrain.Id;
+            //forceUpdateStrategy.Update(newItem.AutoPrestrain, source.AutoPrestrain);
+            //(newItem.AutoPrestrain as ForceTupleDTO).Id = source.AutoPrestrain.Id;
+            NewItem = newItem;
+            return NewItem;
+        }
+    }
+}