feat: add IIdentifiable interface and IdentifiableResource class for unique identification

Author: danko-nobre

src/features/Common/IIdentifiable.cs

@@ -0,0 +1,8 @@
+using Godot;
+
+namespace DiceRolling.Common;
+
+public interface IIdentifiable {
+    string Id { get; }
+    Callable GenerateNewIdButton { get; }
+}

src/features/Common/IIdentifiable.cs.uid

@@ -0,0 +1 @@
+uid://dmmxpye74ucdn

src/features/Common/IdentifiableResource.cs

@@ -0,0 +1,29 @@
+using Godot;
+using DiceRolling.Services;
+
+namespace DiceRolling.Common;
+
+[Tool]
+public abstract partial class IdentifiableResource : Resource, IIdentifiable {
+    [ExportGroup("🆔 Identification")]
+    [Export] public string Id { get; private set; } = IdService.GenerateNewId();
+    [ExportToolButton("Generate Id")] public Callable GenerateNewIdButton => Callable.From(GenerateNewId);
+
+    public void GenerateNewId() {
+        Id = IdService.GenerateNewId();
+    }
+
+    protected void EnsureValidId() {
+        if (string.IsNullOrEmpty(Id)) {
+            GenerateNewId();
+        }
+    }
+
+    public override void _ValidateProperty(Godot.Collections.Dictionary property) {
+        if (property["name"].AsStringName() == "Id") {
+            var usage = property["usage"].As<PropertyUsageFlags>() | PropertyUsageFlags.ReadOnly;
+            property["usage"] = (int)usage;
+        }
+        base._ValidateProperty(property);
+    }
+}

src/features/Common/IdentifiableResource.cs.uid

@@ -0,0 +1 @@
+uid://c4qkr3mvpu6tl