Add polygon to DTO convert strategy

DataAccess/DTOs/Converters/Shapes/LinePolygonToDTOConvertStrategy.cs

@@ -0,0 +1,36 @@
+using StructureHelperCommon.Infrastructures.Interfaces;
+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 LinePolygonToDTOConvertStrategy : ConvertStrategy<LinePolygonShapeDTO, ILinePolygonShape>
+    {
+        private IUpdateStrategy<ILinePolygonShape> updateStrategy;
+        private IConvertStrategy<VertexDTO, IVertex> vertexConvertStrategy;
+
+        public LinePolygonToDTOConvertStrategy(IBaseConvertStrategy baseConvertStrategy) : base(baseConvertStrategy)
+        {
+        }
+
+        public override LinePolygonShapeDTO GetNewItem(ILinePolygonShape source)
+        {
+            ChildClass = this;
+            NewItem = new(source.Id);
+            updateStrategy = new LinePolygonShapeUpdateStrategy() { UpdateChildren = false };
+            vertexConvertStrategy = new VertexToDTOConvertStrategy(this);
+            updateStrategy.Update(NewItem, source);
+            NewItem.Clear();
+            foreach (var item in source.Vertices)
+            {
+                VertexDTO newVertex = vertexConvertStrategy.Convert(item);
+                NewItem.AddVertex(newVertex);
+            }
+            return NewItem;
+        }
+    }
+}