Added shared projects

LiteCharms.Features/Customers/Commands/RefundCustomerCommand.cs

@@ -0,0 +1,38 @@
+namespace LiteCharms.Features.Customers.Commands;
+
+public class RefundCustomerCommand : IRequest<Result<Guid>>
+{
+    public Guid OrderId { get; set; }
+
+    public Guid CustomerId { get; set; }
+
+    public string? Reason { get; set; }
+
+    public decimal Amount { get; set; }
+
+    private RefundCustomerCommand(Guid orderId, Guid customerId, string? reason, decimal amount)
+    {
+        OrderId = orderId;
+        CustomerId = customerId;
+        Reason = reason;
+        Amount = amount;
+        CustomerId = customerId;
+    }
+
+    public static RefundCustomerCommand Create(Guid orderId, Guid customerId, string? reason, decimal amount)
+    {
+        if (orderId == Guid.Empty)
+            throw new ArgumentException("OrderId is required", nameof(orderId));
+
+        if (customerId == Guid.Empty)
+            throw new ArgumentException("CustomerId is required", nameof(customerId));
+
+        if (amount <= 0)
+            throw new ArgumentException("Amount must be greater than zero", nameof(amount));
+
+        if (string.IsNullOrWhiteSpace(reason))
+            throw new ArgumentException("Reason is required", nameof(reason));
+
+        return new(orderId, customerId, reason, amount);
+    }
+}