Очистка мусора

apps/server-net/src/Shared/Knot.Shared.Kernel/Entity.cs

@@ -0,0 +1,43 @@
+namespace Knot.Shared.Kernel;
+
+/// <summary>
+/// Базовый класс для всех сущностей в системе.
+/// </summary>
+/// <typeparam name="TId">Тип идентификатора сущности.</typeparam>
+public abstract class Entity<TId> : IEquatable<Entity<TId>>
+    where TId : notnull
+{
+    public TId Id { get; protected set; }
+
+    protected Entity(TId id)
+    {
+        Id = id;
+    }
+
+    public override bool Equals(object? obj)
+    {
+        return obj is Entity<TId> entity && Equals(entity);
+    }
+
+    public bool Equals(Entity<TId>? other)
+    {
+        if (other is null) return false;
+        if (ReferenceEquals(this, other)) return true;
+        return Id.Equals(other.Id);
+    }
+
+    public static bool operator ==(Entity<TId>? left, Entity<TId>? right)
+    {
+        return Equals(left, right);
+    }
+
+    public static bool operator !=(Entity<TId>? left, Entity<TId>? right)
+    {
+        return !Equals(left, right);
+    }
+
+    public override int GetHashCode()
+    {
+        return Id.GetHashCode();
+    }
+}