Add triangulation of polygon

DataAccess/DTOs/Converters/Shapes/VertexFtomDTOConvertStrategy.cs

@@ -0,0 +1,33 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Shapes;
+
+namespace DataAccess.DTOs
+{
+    public class VertexFtomDTOConvertStrategy : ConvertStrategy<IVertex, IVertex>
+    {
+        private IUpdateStrategy<IVertex> updateStrategy;
+        private IConvertStrategy<Point2D, Point2DDTO> pointConvertStrategy;
+        private Vertex newItem;
+
+        public VertexFtomDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+            updateStrategy = new VertexUpdateStrategy() { UpdateChildren = false };
+            pointConvertStrategy = new Point2DFromDTOConvertStrategy(this);
+        }
+
+        public override IVertex GetNewItem(IVertex source)
+        {
+            ChildClass = this;
+            if (source is not VertexDTO sourceDTO)
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(source) + ": source vertex is not DTO object");
+            }
+            newItem = new(sourceDTO.Id);
+            updateStrategy.Update(newItem, sourceDTO);
+            newItem.Point = pointConvertStrategy.Convert(sourceDTO.Point as Point2DDTO);
+            NewItem = newItem;
+            return NewItem;
+        }
+    }
+}