Add circle shape calculation for shear

StructureHelperCommon/Models/Shapes/Logics/ShapeCloneStrategy.cs

@@ -0,0 +1,33 @@
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StructureHelperCommon.Models.Shapes
+{
+    public class ShapeCloneStrategy : ICloneStrategy<IShape>
+    {
+        private ICloneStrategy<IRectangleShape> rectangleCloneStrategy;
+        private ICloneStrategy<ICircleShape> circleCloneStrategy;
+        public IShape GetClone(IShape sourceObject)
+        {
+            if (sourceObject is IRectangleShape rectangleShape)
+            {
+                rectangleCloneStrategy ??= new RectangleShapeCloneStrategy();
+                return rectangleCloneStrategy.GetClone(rectangleShape);
+            }
+            else if (sourceObject is ICircleShape circleShape)
+            {
+                circleCloneStrategy ??= new CircleShapeCloneStrategy();
+                return circleCloneStrategy.GetClone(circleShape);
+            }
+            else
+            {
+                throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(sourceObject));
+            }
+        }
+    }
+}