Add import primitives to cross-section

StructureHelperLogics/NdmCalculations/Primitives/Logics/GetPrimitivesByDxfEntities.cs

@@ -0,0 +1,85 @@
+using netDxf;
+using netDxf.Entities;
+using StructureHelperCommon.Infrastructures.Exceptions;
+using StructureHelperCommon.Infrastructures.Interfaces;
+using StructureHelperCommon.Models.Shapes;
+using StructureHelperCommon.Services.Exports;
+
+namespace StructureHelperLogics.NdmCalculations.Primitives
+{
+    public class GetPrimitivesByDxfEntities : IObjectConvertStrategy<List<INdmPrimitive>, IEnumerable<EntityObject>>
+    {
+        private const double metresToMillimeters = 1000.0;
+        private List<INdmPrimitive> primitives = [];
+        private IGetDxfLayerLogic layerLogic = new GetDxfLayerLogic();
+
+
+        public List<INdmPrimitive> Convert(IEnumerable<EntityObject> source)
+        {
+            GetPrimitives(source);
+            return primitives;
+        }
+
+        private void GetPrimitives(IEnumerable<EntityObject> source)
+        {
+            primitives.Clear();
+            foreach (var dxfEntity in source)
+            {
+                if (dxfEntity is Polyline2D polyline2d)
+                {
+                    primitives.Add(GetShapePolygon(polyline2d));
+                }
+                else if (dxfEntity is Circle circle)
+                {
+                    primitives.Add(GetCirclePrimitive(circle));
+                }
+                else
+                {
+                    throw new StructureHelperException(ErrorStrings.ObjectTypeIsUnknownObj(dxfEntity));
+                }
+            }
+        }
+
+        private INdmPrimitive GetCirclePrimitive(Circle circle)
+        {
+            INdmPrimitive primitive = null;
+            double radius = circle.Radius / metresToMillimeters;
+            double diameter = radius * 2.0;
+            if (circle.Layer.Name == layerLogic.GetLayerName(LayerNames.StructuralRebars))
+            {
+                RebarNdmPrimitive rebar = new (Guid.NewGuid())
+                {
+                    Name = "Imported rebar",
+                    Area = Math.PI * radius * radius
+                };
+                primitive = rebar;
+            }
+            else
+            {
+                EllipseNdmPrimitive ellipse = new(Guid.NewGuid())
+                {
+                    Name = "Imported circle",
+                    Width = diameter,
+                    Height = diameter,
+
+                };
+                primitive = ellipse;
+            }
+            primitive.Center = new Point2D(circle.Center.X / metresToMillimeters, circle.Center.Y / metresToMillimeters);
+
+            return primitive;
+        }
+
+        private INdmPrimitive GetShapePolygon(Polyline2D polyline2d)
+        {
+            ShapeNdmPrimitive shapeNdmPrimitive = new(Guid.NewGuid())
+            {
+                Name = $"Imported polygon"
+            };
+            var convertLogic = new Polyline2DToLinePoligonConvertLogic();
+            LinePolygonShape polygonShape = convertLogic.Convert(polyline2d);
+            shapeNdmPrimitive.SetShape(polygonShape);
+            return shapeNdmPrimitive;
+        }
+    }
+}