split bill

lib/domain/order/entities/payment_request_entity.dart

@@ -35,3 +35,37 @@ class PaymentItemRequest with _$PaymentItemRequest {
   factory PaymentItemRequest.empty() =>
       const PaymentItemRequest(orderItemId: '', amount: 0);
 }
+
+@freezed
+class PaymentSplitBillRequest with _$PaymentSplitBillRequest {
+  const factory PaymentSplitBillRequest({
+    required String orderId,
+    required String paymentMethodId,
+    required String customerId,
+    required String customerName,
+    required SplitType type, // e.g., "AMOUNT" or "ITEM"
+    required int amount,
+    required List<PaymentItemSplitBillRequest> items,
+  }) = _PaymentSplitBillRequest;
+
+  factory PaymentSplitBillRequest.empty() => const PaymentSplitBillRequest(
+    orderId: '',
+    paymentMethodId: '',
+    customerId: '',
+    type: SplitType.unknown,
+    amount: 0,
+    items: [],
+    customerName: '',
+  );
+}
+
+@freezed
+class PaymentItemSplitBillRequest with _$PaymentItemSplitBillRequest {
+  const factory PaymentItemSplitBillRequest({
+    required String orderItemId,
+    required int quantity,
+  }) = _PaymentItemSplitBillRequest;
+
+  factory PaymentItemSplitBillRequest.empty() =>
+      const PaymentItemSplitBillRequest(orderItemId: '', quantity: 0);
+}