feat: refund

lib/presentation/home/bloc/order_form/order_form_bloc.dart

@@ -174,19 +174,17 @@ class OrderFormBloc extends Bloc<OrderFormEvent, OrderFormState> {
     });
 
     on<_Refund>((event, emit) async {
-      state.maybeWhen(
-        loaded: (order, selectedItems, _) async {
-          if (selectedItems.isEmpty) return;
+      emit(const OrderFormState.loading());
 
-          emit(const OrderFormState.loading());
+      final result = await _orderRemoteDatasource.refund(
+        orderId: event.orderId,
+        reason: event.reason,
+        orderItems: event.items,
+      );
 
-          try {
-            emit(OrderFormState.success(order));
-          } catch (e) {
-            emit(OrderFormState.error('Refund gagal: ${e.toString()}'));
-          }
-        },
-        orElse: () {},
+      result.fold(
+        (error) => emit(_Error(error)),
+        (success) => emit(_SuccessMsg()),
       );
     });
   }

lib/presentation/home/bloc/order_form/order_form_event.dart

@@ -20,8 +20,12 @@ class OrderFormEvent with _$OrderFormEvent {
     required List<ProductQuantity> items,
     required String orderId,
   }) = _AddToOrder;
+  const factory OrderFormEvent.refund({
+    required List<OrderItem> items,
+    required String orderId,
+    required String reason,
+  }) = _Refund;
   const factory OrderFormEvent.toggleItem(OrderItem item) = _ToggleItem;
   const factory OrderFormEvent.toggleSelectAll(bool selectAll) =
       _ToggleSelectAll;
-  const factory OrderFormEvent.refund() = _Refund;
 }

lib/presentation/home/bloc/order_form/order_form_state.dart

@@ -10,5 +10,6 @@ class OrderFormState with _$OrderFormState {
     @Default(false) bool isAllSelected,
   }) = _Loaded;
   const factory OrderFormState.success(Order order) = _Success;
+  const factory OrderFormState.successMsg() = _SuccessMsg;
   const factory OrderFormState.error(String message) = _Error;
 }