Retructured solution

LiteCharms.Features/Shop/ShoppingCarts/Commands/CreateShoppingCartCommand.cs

@@ -0,0 +1,25 @@
+namespace LiteCharms.Features.ShoppingCarts.Commands;
+
+public class CreateShoppingCartCommand : IRequest<Result<Guid>>
+{
+    public Guid? CustomerId { get; set; }
+
+    public Guid? OrderId { get; set; }
+
+    public Guid? QuoteId { get; set; }
+
+    private CreateShoppingCartCommand(Guid customerId, Guid? orderId = null, Guid? quoteId = null)
+    {
+        CustomerId = customerId;
+        OrderId = orderId;
+        QuoteId = quoteId;
+    }
+
+    public static CreateShoppingCartCommand Create(Guid customerId, Guid? orderId = null, Guid? quoteId = null)
+    {
+        if (customerId == Guid.Empty)
+            throw new ArgumentException($"Customer ID is required", nameof(customerId));
+
+        return new(customerId, orderId, quoteId);
+    }
+}