implement

dotnet/AipsCore/Domain/Models/Shape/External/IShapeRepository.cs

@@ -0,0 +1,9 @@
+using AipsCore.Domain.Models.Shape.ValueObjects;
+
+namespace AipsCore.Domain.Models.Shape.External;
+
+public interface IShapeRepository
+{
+    Task<Shape?> Get(ShapeId id, CancellationToken cancellationToken = default);
+    Task Add(Shape shape, CancellationToken cancellationToken = default);
+}

dotnet/AipsCore/Domain/Models/Shape/Shape.cs

@@ -7,7 +7,7 @@ namespace AipsCore.Domain.Models.Shape;
 
 public abstract class Shape
 {
-    public ShapeId Id { get; }
+    public ShapeId Id { get; init; }
     
     public WhiteboardId WhiteboardId { get; private set; }
     
@@ -24,4 +24,16 @@ public abstract class Shape
         Color = color;
         WhiteboardId = whiteboardId;
     }
+
+    protected Shape(
+        string id,
+        string whiteboardId,
+        int positionX, int positionY,
+        string color)
+    {
+        Id = new ShapeId(id);
+        Position = new Position(positionX, positionY);
+        Color = new Color(color);
+        WhiteboardId = new WhiteboardId(whiteboardId);
+    }
 }

dotnet/AipsCore/Domain/Models/Shape/Sub/Arrow/Arrow.cs

@@ -17,4 +17,21 @@ public class Arrow : Shape
     }
 
     public override ShapeType ShapeType => ShapeType.Arrow;
+    
+    public static Arrow Create(
+        string id,
+        string whiteboardId,
+        int positionX, int positionY,
+        string color,
+        int endPositionX, int endPositionY,
+        int borderThickness)
+    {
+        return new Arrow(
+            new ShapeId(id),
+            new WhiteboardId(whiteboardId),
+            new Position(positionX, positionY),
+            new Color(color),
+            new Position(endPositionX, endPositionY),
+            new Thickness(borderThickness));
+    }
 }

dotnet/AipsCore/Domain/Models/Shape/Sub/Line/Line.cs

@@ -17,4 +17,21 @@ public class Line : Shape
     }
 
     public override ShapeType ShapeType =>  ShapeType.Line;
+    
+    public static Line Create(
+        string id,
+        string whiteboardId,
+        int positionX, int positionY,
+        string color,
+        int endPositionX, int endPositionY,
+        int borderThickness)
+    {
+        return new Line(
+            new ShapeId(id),
+            new WhiteboardId(whiteboardId),
+            new Position(positionX, positionY),
+            new Color(color),
+            new Position(endPositionX, endPositionY),
+            new Thickness(borderThickness));
+    }
 }

dotnet/AipsCore/Domain/Models/Shape/Sub/Rectangle/Rectangle.cs

@@ -20,4 +20,36 @@ public class Rectangle : Shape
         BorderThickness = borderThickness;
     }
 
+    public static Rectangle Create(
+        string id,
+        string whiteboardId,
+        int positionX, int positionY,
+        string color,
+        int endPositionX, int endPositionY,
+        int borderThickness)
+    {
+        return new Rectangle(
+            new ShapeId(id),
+            new WhiteboardId(whiteboardId),
+            new Position(positionX, positionY),
+            new Color(color),
+            new Position(endPositionX, endPositionY),
+            new Thickness(borderThickness));
+    }
+    
+    public static Rectangle Create(
+        string whiteboardId,
+        int positionX, int positionY,
+        string color,
+        int endPositionX, int endPositionY,
+        int borderThickness)
+    {
+        return new Rectangle(
+            ShapeId.Any(),
+            new WhiteboardId(whiteboardId),
+            new Position(positionX, positionY),
+            new Color(color),
+            new Position(endPositionX, endPositionY),
+            new Thickness(borderThickness));
+    }
 }

dotnet/AipsCore/Domain/Models/Shape/Sub/TextShape/TextShape.cs

@@ -20,4 +20,20 @@ public class TextShape : Shape
     }
 
     public override ShapeType ShapeType => ShapeType.Text;
+    
+    public static TextShape Create(
+        string id,
+        string whiteboardId,
+        int positionX, int positionY,
+        string color,
+        string textValue, int textSize)
+    {
+        return new TextShape(
+            new ShapeId(id),
+            new WhiteboardId(whiteboardId),
+            new Position(positionX, positionY),
+            new Color(color),
+            new TextShapeValue(textValue),
+            new TextShapeSize(textSize));
+    }
 }

dotnet/AipsCore/Domain/Models/Shape/ValueObjects/ShapeId.cs

@@ -2,4 +2,7 @@ using AipsCore.Domain.Common.ValueObjects;
 
 namespace AipsCore.Domain.Models.Shape.ValueObjects;
 
-public record ShapeId(string Value) : DomainId(Value);
+public record ShapeId(string Value) : DomainId(Value)
+{
+    public static ShapeId Any() => new ShapeId(Guid.NewGuid().ToString());
+}

dotnet/AipsCore/Domain/Models/Shape/ValueObjects/Thickness.cs

@@ -6,22 +6,23 @@ namespace AipsCore.Domain.Models.Shape.ValueObjects;
 
 public record Thickness : AbstractValueObject
 {
+    public int Value { get; }
     private const int MaxThickness = 8;
     private const int MinThickness = 1;
     
-    private readonly int _value;
 
     public Thickness(int value)
     {
-        _value = value;
+        Value = value;
+        Validate();
     }
     
     protected override ICollection<IRule> GetValidationRules()
     {
         return
         [
-            new MinValueRule<int>(_value, MinThickness),
-            new MaxValueRule<int>(_value, MaxThickness),
+            new MinValueRule<int>(Value, MinThickness),
+            new MaxValueRule<int>(Value, MaxThickness),
         ];
     }
 }