Add invoice DTOs

Distribution/Features/Invoice/InvoiceDTOs.cs

@@ -0,0 +1,29 @@
+using Distribution.Models;
+
+namespace Distribution.Features.Invoice;
+
+public record CreateInvoiceRequest(Guid OrderId);
+
+public record FinalizeInvoiceItemRequest(Guid OrderItemId, decimal DeliveredQuantity, decimal FreeQuantity);
+
+public record FinalizeInvoiceReturnRequest(Guid ItemId, decimal Quantity, ReturnReasonCode ReasonCode);
+
+public record FinalizeInvoiceDiscountRequest(DiscountType Type, decimal Value, string? Reason);
+
+public record FinalizeInvoiceRequest(
+    List<FinalizeInvoiceItemRequest> Items,
+    List<FinalizeInvoiceReturnRequest>? Returns,
+    FinalizeInvoiceDiscountRequest? Discount);
+
+public record InvoiceResponse(
+    Guid Id,
+    Guid OrderId,
+    InvoiceStatus Status,
+    Guid CreatedByUserId,
+    DateTime? PrintedAt,
+    Guid? PrintedByUserId,
+    DateTime? FinalizedAt,
+    Guid? FinalizedByUserId,
+    decimal TotalAmount,
+    bool IsActive,
+    DateTime CreatedAt);