config: update version

.vscode/launch.json

@@ -0,0 +1,17 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Dev",
+      "request": "launch",
+      "type": "dart",
+      "args": ["--dart-define=ENV=dev"]
+    },
+    {
+      "name": "Prod",
+      "request": "launch",
+      "type": "dart",
+      "args": ["--dart-define=ENV=prod"]
+    }
+  ]
+}

android/gradle.properties

@@ -1,3 +1,7 @@
 org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
 android.enableJetifier=true
+# This builtInKotlin flag was added automatically by Flutter migrator
+android.builtInKotlin=false
+# This newDsl flag was added automatically by Flutter migrator
+android.newDsl=false

lib/application/order/order_form/order_form_bloc.dart

@@ -3,6 +3,7 @@ import 'package:dartz/dartz.dart' hide Order;
 import 'package:flutter/foundation.dart';
 import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:injectable/injectable.dart' hide Order;
+import 'package:uuid/uuid.dart';
 
 import '../../../common/types/order_type.dart';
 import '../../../domain/customer/customer.dart';
@@ -123,10 +124,15 @@ class OrderFormBloc extends Bloc<OrderFormEvent, OrderFormState> {
       addItemOrder: (e) async {
         Either<OrderFailure, Order> failureOrAddItemOrder;
 
+        // Generate new idempotency key saat user intent (tap Add Items)
+        // Kalau sedang retry, pakai key yang sama
+        final idempotencyKey = state.addItemIdempotencyKey ?? const Uuid().v4();
+
         emit(
           state.copyWith(
             isAddingItemOrder: true,
             failureOrAddItemOrder: none(),
+            addItemIdempotencyKey: idempotencyKey,
           ),
         );
 
@@ -145,12 +151,16 @@ class OrderFormBloc extends Bloc<OrderFormEvent, OrderFormState> {
         failureOrAddItemOrder = await _repository.addItemOrder(
           id: e.orderId,
           request: request,
+          idempotencyKey: idempotencyKey,
         );
 
         emit(
           state.copyWith(
             isAddingItemOrder: false,
             failureOrAddItemOrder: optionOf(failureOrAddItemOrder),
+            // Clear key on success, keep on failure for retry
+            addItemIdempotencyKey:
+                failureOrAddItemOrder.isRight() ? null : idempotencyKey,
           ),
         );
       },

lib/application/order/order_form/order_form_bloc.freezed.dart

@@ -1584,6 +1584,11 @@ mixin _$OrderFormState {
   bool get isCreatingWithPayment => throw _privateConstructorUsedError;
   bool get isAddingItemOrder => throw _privateConstructorUsedError;
 
+  /// Idempotency key untuk add item order.
+  /// Di-generate saat user tap "Add Items", dipakai ulang saat retry,
+  /// di-clear setelah sukses.
+  String? get addItemIdempotencyKey => throw _privateConstructorUsedError;
+
   /// Create a copy of OrderFormState
   /// with the given fields replaced by the non-null parameter values.
   @JsonKey(includeFromJson: false, includeToJson: false)
@@ -1608,6 +1613,7 @@ abstract class $OrderFormStateCopyWith<$Res> {
     bool isCreating,
     bool isCreatingWithPayment,
     bool isAddingItemOrder,
+    String? addItemIdempotencyKey,
   });
 
   $PaymentMethodCopyWith<$Res>? get paymentMethod;
@@ -1638,6 +1644,7 @@ class _$OrderFormStateCopyWithImpl<$Res, $Val extends OrderFormState>
     Object? isCreating = null,
     Object? isCreatingWithPayment = null,
     Object? isAddingItemOrder = null,
+    Object? addItemIdempotencyKey = freezed,
   }) {
     return _then(
       _value.copyWith(
@@ -1678,6 +1685,10 @@ class _$OrderFormStateCopyWithImpl<$Res, $Val extends OrderFormState>
                 ? _value.isAddingItemOrder
                 : isAddingItemOrder // ignore: cast_nullable_to_non_nullable
                       as bool,
+            addItemIdempotencyKey: freezed == addItemIdempotencyKey
+                ? _value.addItemIdempotencyKey
+                : addItemIdempotencyKey // ignore: cast_nullable_to_non_nullable
+                      as String?,
           )
           as $Val,
     );
@@ -1731,6 +1742,7 @@ abstract class _$$OrderFormStateImplCopyWith<$Res>
     bool isCreating,
     bool isCreatingWithPayment,
     bool isAddingItemOrder,
+    String? addItemIdempotencyKey,
   });
 
   @override
@@ -1762,6 +1774,7 @@ class __$$OrderFormStateImplCopyWithImpl<$Res>
     Object? isCreating = null,
     Object? isCreatingWithPayment = null,
     Object? isAddingItemOrder = null,
+    Object? addItemIdempotencyKey = freezed,
   }) {
     return _then(
       _$OrderFormStateImpl(
@@ -1801,6 +1814,10 @@ class __$$OrderFormStateImplCopyWithImpl<$Res>
             ? _value.isAddingItemOrder
             : isAddingItemOrder // ignore: cast_nullable_to_non_nullable
                   as bool,
+        addItemIdempotencyKey: freezed == addItemIdempotencyKey
+            ? _value.addItemIdempotencyKey
+            : addItemIdempotencyKey // ignore: cast_nullable_to_non_nullable
+                  as String?,
       ),
     );
   }
@@ -1821,6 +1838,7 @@ class _$OrderFormStateImpl
     this.isCreating = false,
     this.isCreatingWithPayment = false,
     this.isAddingItemOrder = false,
+    this.addItemIdempotencyKey,
   });
 
   @override
@@ -1845,9 +1863,15 @@ class _$OrderFormStateImpl
   @JsonKey()
   final bool isAddingItemOrder;
 
+  /// Idempotency key untuk add item order.
+  /// Di-generate saat user tap "Add Items", dipakai ulang saat retry,
+  /// di-clear setelah sukses.
+  @override
+  final String? addItemIdempotencyKey;
+
   @override
   String toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) {
-    return 'OrderFormState(paymentMethod: $paymentMethod, customerName: $customerName, customer: $customer, failureOrCreateOrder: $failureOrCreateOrder, failureOrCreateOrderWithPayment: $failureOrCreateOrderWithPayment, failureOrAddItemOrder: $failureOrAddItemOrder, isCreating: $isCreating, isCreatingWithPayment: $isCreatingWithPayment, isAddingItemOrder: $isAddingItemOrder)';
+    return 'OrderFormState(paymentMethod: $paymentMethod, customerName: $customerName, customer: $customer, failureOrCreateOrder: $failureOrCreateOrder, failureOrCreateOrderWithPayment: $failureOrCreateOrderWithPayment, failureOrAddItemOrder: $failureOrAddItemOrder, isCreating: $isCreating, isCreatingWithPayment: $isCreatingWithPayment, isAddingItemOrder: $isAddingItemOrder, addItemIdempotencyKey: $addItemIdempotencyKey)';
   }
 
   @override
@@ -1868,7 +1892,10 @@ class _$OrderFormStateImpl
       ..add(DiagnosticsProperty('failureOrAddItemOrder', failureOrAddItemOrder))
       ..add(DiagnosticsProperty('isCreating', isCreating))
       ..add(DiagnosticsProperty('isCreatingWithPayment', isCreatingWithPayment))
-      ..add(DiagnosticsProperty('isAddingItemOrder', isAddingItemOrder));
+      ..add(DiagnosticsProperty('isAddingItemOrder', isAddingItemOrder))
+      ..add(
+        DiagnosticsProperty('addItemIdempotencyKey', addItemIdempotencyKey),
+      );
   }
 
   @override
@@ -1897,7 +1924,9 @@ class _$OrderFormStateImpl
             (identical(other.isCreatingWithPayment, isCreatingWithPayment) ||
                 other.isCreatingWithPayment == isCreatingWithPayment) &&
             (identical(other.isAddingItemOrder, isAddingItemOrder) ||
-                other.isAddingItemOrder == isAddingItemOrder));
+                other.isAddingItemOrder == isAddingItemOrder) &&
+            (identical(other.addItemIdempotencyKey, addItemIdempotencyKey) ||
+                other.addItemIdempotencyKey == addItemIdempotencyKey));
   }
 
   @override
@@ -1912,6 +1941,7 @@ class _$OrderFormStateImpl
     isCreating,
     isCreatingWithPayment,
     isAddingItemOrder,
+    addItemIdempotencyKey,
   );
 
   /// Create a copy of OrderFormState
@@ -1938,6 +1968,7 @@ abstract class _OrderFormState implements OrderFormState {
     final bool isCreating,
     final bool isCreatingWithPayment,
     final bool isAddingItemOrder,
+    final String? addItemIdempotencyKey,
   }) = _$OrderFormStateImpl;
 
   @override
@@ -1959,6 +1990,12 @@ abstract class _OrderFormState implements OrderFormState {
   @override
   bool get isAddingItemOrder;
 
+  /// Idempotency key untuk add item order.
+  /// Di-generate saat user tap "Add Items", dipakai ulang saat retry,
+  /// di-clear setelah sukses.
+  @override
+  String? get addItemIdempotencyKey;
+
   /// Create a copy of OrderFormState
   /// with the given fields replaced by the non-null parameter values.
   @override

lib/application/order/order_form/order_form_state.dart

@@ -13,6 +13,10 @@ class OrderFormState with _$OrderFormState {
     @Default(false) bool isCreating,
     @Default(false) bool isCreatingWithPayment,
     @Default(false) bool isAddingItemOrder,
+    /// Idempotency key untuk add item order.
+    /// Di-generate saat user tap "Add Items", dipakai ulang saat retry,
+    /// di-clear setelah sukses.
+    String? addItemIdempotencyKey,
   }) = _OrderFormState;
 
   factory OrderFormState.initial() => OrderFormState(

lib/application/payment/payment_form/payment_form_bloc.dart

@@ -4,6 +4,7 @@ import 'package:bloc/bloc.dart';
 import 'package:dartz/dartz.dart' hide Order;
 import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:injectable/injectable.dart' hide Order;
+import 'package:uuid/uuid.dart';
 
 import '../../../common/types/split_type.dart';
 import '../../../domain/order/order.dart';
@@ -38,7 +39,15 @@ class PaymentFormBloc extends Bloc<PaymentFormEvent, PaymentFormState> {
       submitted: (e) async {
         Either<OrderFailure, Payment> failureOrPayment;
 
-        emit(state.copyWith(isSubmitting: true, failureOrPayment: none()));
+        // Generate new idempotency key saat user intent (tap Bayar)
+        // Kalau sedang retry (isSubmitting sebelumnya gagal), pakai key yang sama
+        final idempotencyKey = state.idempotencyKey ?? const Uuid().v4();
+
+        emit(state.copyWith(
+          isSubmitting: true,
+          failureOrPayment: none(),
+          idempotencyKey: idempotencyKey,
+        ));
 
         final request = PaymentRequest(
           orderId: state.order.id,
@@ -58,20 +67,32 @@ class PaymentFormBloc extends Bloc<PaymentFormEvent, PaymentFormState> {
               .toList(),
         );
 
-        failureOrPayment = await _repository.createPayment(request: request);
+        failureOrPayment = await _repository.createPayment(
+          request: request,
+          idempotencyKey: idempotencyKey,
+        );
 
         emit(
           state.copyWith(
             isSubmitting: false,
             failureOrPayment: optionOf(failureOrPayment),
+            // Clear key on success, keep on failure for retry
+            idempotencyKey: failureOrPayment.isRight() ? null : idempotencyKey,
           ),
         );
       },
       submittedSplitBill: (e) async {
         Either<OrderFailure, Payment> failureOrPayment;
 
+        // Generate new idempotency key untuk split bill
+        final idempotencyKey = state.splitBillIdempotencyKey ?? const Uuid().v4();
+
         emit(
-          state.copyWith(isSubmitting: true, failureOrPaymentSplitBill: none()),
+          state.copyWith(
+            isSubmitting: true,
+            failureOrPaymentSplitBill: none(),
+            splitBillIdempotencyKey: idempotencyKey,
+          ),
         );
 
         final request = PaymentSplitBillRequest(
@@ -93,12 +114,18 @@ class PaymentFormBloc extends Bloc<PaymentFormEvent, PaymentFormState> {
 
         log(request.toString());
 
-        failureOrPayment = await _repository.createSplitBill(request);
+        failureOrPayment = await _repository.createSplitBill(
+          request,
+          idempotencyKey: idempotencyKey,
+        );
 
         emit(
           state.copyWith(
             isSubmitting: false,
             failureOrPaymentSplitBill: optionOf(failureOrPayment),
+            // Clear key on success, keep on failure for retry
+            splitBillIdempotencyKey:
+                failureOrPayment.isRight() ? null : idempotencyKey,
           ),
         );
       },

lib/application/payment/payment_form/payment_form_bloc.freezed.dart

@@ -813,6 +813,14 @@ mixin _$PaymentFormState {
   PaymentMethod? get paymentMethod => throw _privateConstructorUsedError;
   bool get isSubmitting => throw _privateConstructorUsedError;
 
+  /// Idempotency key untuk payment submission.
+  /// Di-generate saat user tap "Bayar", dipakai ulang saat retry,
+  /// di-clear setelah sukses.
+  String? get idempotencyKey => throw _privateConstructorUsedError;
+
+  /// Idempotency key untuk split bill submission.
+  String? get splitBillIdempotencyKey => throw _privateConstructorUsedError;
+
   /// Create a copy of PaymentFormState
   /// with the given fields replaced by the non-null parameter values.
   @JsonKey(includeFromJson: false, includeToJson: false)
@@ -834,6 +842,8 @@ abstract class $PaymentFormStateCopyWith<$Res> {
     Option<Either<OrderFailure, Payment>> failureOrPaymentSplitBill,
     PaymentMethod? paymentMethod,
     bool isSubmitting,
+    String? idempotencyKey,
+    String? splitBillIdempotencyKey,
   });
 
   $OrderCopyWith<$Res> get order;
@@ -861,6 +871,8 @@ class _$PaymentFormStateCopyWithImpl<$Res, $Val extends PaymentFormState>
     Object? failureOrPaymentSplitBill = null,
     Object? paymentMethod = freezed,
     Object? isSubmitting = null,
+    Object? idempotencyKey = freezed,
+    Object? splitBillIdempotencyKey = freezed,
   }) {
     return _then(
       _value.copyWith(
@@ -888,6 +900,14 @@ class _$PaymentFormStateCopyWithImpl<$Res, $Val extends PaymentFormState>
                 ? _value.isSubmitting
                 : isSubmitting // ignore: cast_nullable_to_non_nullable
                       as bool,
+            idempotencyKey: freezed == idempotencyKey
+                ? _value.idempotencyKey
+                : idempotencyKey // ignore: cast_nullable_to_non_nullable
+                      as String?,
+            splitBillIdempotencyKey: freezed == splitBillIdempotencyKey
+                ? _value.splitBillIdempotencyKey
+                : splitBillIdempotencyKey // ignore: cast_nullable_to_non_nullable
+                      as String?,
           )
           as $Val,
     );
@@ -934,6 +954,8 @@ abstract class _$$PaymentFormStateImplCopyWith<$Res>
     Option<Either<OrderFailure, Payment>> failureOrPaymentSplitBill,
     PaymentMethod? paymentMethod,
     bool isSubmitting,
+    String? idempotencyKey,
+    String? splitBillIdempotencyKey,
   });
 
   @override
@@ -962,6 +984,8 @@ class __$$PaymentFormStateImplCopyWithImpl<$Res>
     Object? failureOrPaymentSplitBill = null,
     Object? paymentMethod = freezed,
     Object? isSubmitting = null,
+    Object? idempotencyKey = freezed,
+    Object? splitBillIdempotencyKey = freezed,
   }) {
     return _then(
       _$PaymentFormStateImpl(
@@ -989,6 +1013,14 @@ class __$$PaymentFormStateImplCopyWithImpl<$Res>
             ? _value.isSubmitting
             : isSubmitting // ignore: cast_nullable_to_non_nullable
                   as bool,
+        idempotencyKey: freezed == idempotencyKey
+            ? _value.idempotencyKey
+            : idempotencyKey // ignore: cast_nullable_to_non_nullable
+                  as String?,
+        splitBillIdempotencyKey: freezed == splitBillIdempotencyKey
+            ? _value.splitBillIdempotencyKey
+            : splitBillIdempotencyKey // ignore: cast_nullable_to_non_nullable
+                  as String?,
       ),
     );
   }
@@ -1004,6 +1036,8 @@ class _$PaymentFormStateImpl implements _PaymentFormState {
     required this.failureOrPaymentSplitBill,
     this.paymentMethod,
     this.isSubmitting = false,
+    this.idempotencyKey,
+    this.splitBillIdempotencyKey,
   }) : _pendingItems = pendingItems;
 
   @override
@@ -1026,9 +1060,19 @@ class _$PaymentFormStateImpl implements _PaymentFormState {
   @JsonKey()
   final bool isSubmitting;
 
+  /// Idempotency key untuk payment submission.
+  /// Di-generate saat user tap "Bayar", dipakai ulang saat retry,
+  /// di-clear setelah sukses.
+  @override
+  final String? idempotencyKey;
+
+  /// Idempotency key untuk split bill submission.
+  @override
+  final String? splitBillIdempotencyKey;
+
   @override
   String toString() {
-    return 'PaymentFormState(order: $order, pendingItems: $pendingItems, failureOrPayment: $failureOrPayment, failureOrPaymentSplitBill: $failureOrPaymentSplitBill, paymentMethod: $paymentMethod, isSubmitting: $isSubmitting)';
+    return 'PaymentFormState(order: $order, pendingItems: $pendingItems, failureOrPayment: $failureOrPayment, failureOrPaymentSplitBill: $failureOrPaymentSplitBill, paymentMethod: $paymentMethod, isSubmitting: $isSubmitting, idempotencyKey: $idempotencyKey, splitBillIdempotencyKey: $splitBillIdempotencyKey)';
   }
 
   @override
@@ -1051,7 +1095,14 @@ class _$PaymentFormStateImpl implements _PaymentFormState {
             (identical(other.paymentMethod, paymentMethod) ||
                 other.paymentMethod == paymentMethod) &&
             (identical(other.isSubmitting, isSubmitting) ||
-                other.isSubmitting == isSubmitting));
+                other.isSubmitting == isSubmitting) &&
+            (identical(other.idempotencyKey, idempotencyKey) ||
+                other.idempotencyKey == idempotencyKey) &&
+            (identical(
+                  other.splitBillIdempotencyKey,
+                  splitBillIdempotencyKey,
+                ) ||
+                other.splitBillIdempotencyKey == splitBillIdempotencyKey));
   }
 
   @override
@@ -1063,6 +1114,8 @@ class _$PaymentFormStateImpl implements _PaymentFormState {
     failureOrPaymentSplitBill,
     paymentMethod,
     isSubmitting,
+    idempotencyKey,
+    splitBillIdempotencyKey,
   );
 
   /// Create a copy of PaymentFormState
@@ -1086,6 +1139,8 @@ abstract class _PaymentFormState implements PaymentFormState {
     failureOrPaymentSplitBill,
     final PaymentMethod? paymentMethod,
     final bool isSubmitting,
+    final String? idempotencyKey,
+    final String? splitBillIdempotencyKey,
   }) = _$PaymentFormStateImpl;
 
   @override
@@ -1101,6 +1156,16 @@ abstract class _PaymentFormState implements PaymentFormState {
   @override
   bool get isSubmitting;
 
+  /// Idempotency key untuk payment submission.
+  /// Di-generate saat user tap "Bayar", dipakai ulang saat retry,
+  /// di-clear setelah sukses.
+  @override
+  String? get idempotencyKey;
+
+  /// Idempotency key untuk split bill submission.
+  @override
+  String? get splitBillIdempotencyKey;
+
   /// Create a copy of PaymentFormState
   /// with the given fields replaced by the non-null parameter values.
   @override

lib/application/payment/payment_form/payment_form_state.dart

@@ -9,6 +9,12 @@ class PaymentFormState with _$PaymentFormState {
     required Option<Either<OrderFailure, Payment>> failureOrPaymentSplitBill,
     PaymentMethod? paymentMethod,
     @Default(false) bool isSubmitting,
+    /// Idempotency key untuk payment submission.
+    /// Di-generate saat user tap "Bayar", dipakai ulang saat retry,
+    /// di-clear setelah sukses.
+    String? idempotencyKey,
+    /// Idempotency key untuk split bill submission.
+    String? splitBillIdempotencyKey,
   }) = _PaymentFormState;
 
   factory PaymentFormState.initial() => PaymentFormState(

lib/application/refund/refund_form/refund_form_bloc.dart

@@ -2,6 +2,7 @@ import 'package:bloc/bloc.dart';
 import 'package:dartz/dartz.dart' hide Order;
 import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:injectable/injectable.dart' hide Order;
+import 'package:uuid/uuid.dart';
 
 import '../../../common/data/refund_data.dart';
 import '../../../domain/order/order.dart';
@@ -34,7 +35,15 @@ class RefundFormBloc extends Bloc<RefundFormEvent, RefundFormState> {
       submitted: (e) async {
         Either<OrderFailure, Unit>? failureOrRefund;
 
-        emit(state.copyWith(isSubmitting: true, failureOrRefund: none()));
+        // Generate new idempotency key saat user intent (tap Refund)
+        // Kalau sedang retry, pakai key yang sama
+        final idempotencyKey = state.idempotencyKey ?? const Uuid().v4();
+
+        emit(state.copyWith(
+          isSubmitting: true,
+          failureOrRefund: none(),
+          idempotencyKey: idempotencyKey,
+        ));
 
         failureOrRefund = await _repository.refundOrder(
           id: state.order.id,
@@ -42,12 +51,15 @@ class RefundFormBloc extends Bloc<RefundFormEvent, RefundFormState> {
               ? state.reason
               : state.refundReason?.value ?? '',
           refundAmount: state.order.totalAmount,
+          idempotencyKey: idempotencyKey,
         );
 
         emit(
           state.copyWith(
             isSubmitting: false,
             failureOrRefund: optionOf(failureOrRefund),
+            // Clear key on success, keep on failure for retry
+            idempotencyKey: failureOrRefund.isRight() ? null : idempotencyKey,
           ),
         );
       },

lib/application/refund/refund_form/refund_form_bloc.freezed.dart

@@ -692,6 +692,11 @@ mixin _$RefundFormState {
       throw _privateConstructorUsedError;
   bool get isSubmitting => throw _privateConstructorUsedError;
 
+  /// Idempotency key untuk refund submission.
+  /// Di-generate saat user tap "Refund", dipakai ulang saat retry,
+  /// di-clear setelah sukses.
+  String? get idempotencyKey => throw _privateConstructorUsedError;
+
   /// Create a copy of RefundFormState
   /// with the given fields replaced by the non-null parameter values.
   @JsonKey(includeFromJson: false, includeToJson: false)
@@ -712,6 +717,7 @@ abstract class $RefundFormStateCopyWith<$Res> {
     RefundReason? refundReason,
     Option<Either<OrderFailure, Unit>> failureOrRefund,
     bool isSubmitting,
+    String? idempotencyKey,
   });
 
   $OrderCopyWith<$Res> get order;
@@ -737,6 +743,7 @@ class _$RefundFormStateCopyWithImpl<$Res, $Val extends RefundFormState>
     Object? refundReason = freezed,
     Object? failureOrRefund = null,
     Object? isSubmitting = null,
+    Object? idempotencyKey = freezed,
   }) {
     return _then(
       _value.copyWith(
@@ -760,6 +767,10 @@ class _$RefundFormStateCopyWithImpl<$Res, $Val extends RefundFormState>
                 ? _value.isSubmitting
                 : isSubmitting // ignore: cast_nullable_to_non_nullable
                       as bool,
+            idempotencyKey: freezed == idempotencyKey
+                ? _value.idempotencyKey
+                : idempotencyKey // ignore: cast_nullable_to_non_nullable
+                      as String?,
           )
           as $Val,
     );
@@ -791,6 +802,7 @@ abstract class _$$RefundFormStateImplCopyWith<$Res>
     RefundReason? refundReason,
     Option<Either<OrderFailure, Unit>> failureOrRefund,
     bool isSubmitting,
+    String? idempotencyKey,
   });
 
   @override
@@ -816,6 +828,7 @@ class __$$RefundFormStateImplCopyWithImpl<$Res>
     Object? refundReason = freezed,
     Object? failureOrRefund = null,
     Object? isSubmitting = null,
+    Object? idempotencyKey = freezed,
   }) {
     return _then(
       _$RefundFormStateImpl(
@@ -839,6 +852,10 @@ class __$$RefundFormStateImplCopyWithImpl<$Res>
             ? _value.isSubmitting
             : isSubmitting // ignore: cast_nullable_to_non_nullable
                   as bool,
+        idempotencyKey: freezed == idempotencyKey
+            ? _value.idempotencyKey
+            : idempotencyKey // ignore: cast_nullable_to_non_nullable
+                  as String?,
       ),
     );
   }
@@ -853,6 +870,7 @@ class _$RefundFormStateImpl implements _RefundFormState {
     this.refundReason,
     required this.failureOrRefund,
     this.isSubmitting = false,
+    this.idempotencyKey,
   });
 
   @override
@@ -867,9 +885,15 @@ class _$RefundFormStateImpl implements _RefundFormState {
   @JsonKey()
   final bool isSubmitting;
 
+  /// Idempotency key untuk refund submission.
+  /// Di-generate saat user tap "Refund", dipakai ulang saat retry,
+  /// di-clear setelah sukses.
+  @override
+  final String? idempotencyKey;
+
   @override
   String toString() {
-    return 'RefundFormState(order: $order, reason: $reason, refundReason: $refundReason, failureOrRefund: $failureOrRefund, isSubmitting: $isSubmitting)';
+    return 'RefundFormState(order: $order, reason: $reason, refundReason: $refundReason, failureOrRefund: $failureOrRefund, isSubmitting: $isSubmitting, idempotencyKey: $idempotencyKey)';
   }
 
   @override
@@ -884,7 +908,9 @@ class _$RefundFormStateImpl implements _RefundFormState {
             (identical(other.failureOrRefund, failureOrRefund) ||
                 other.failureOrRefund == failureOrRefund) &&
             (identical(other.isSubmitting, isSubmitting) ||
-                other.isSubmitting == isSubmitting));
+                other.isSubmitting == isSubmitting) &&
+            (identical(other.idempotencyKey, idempotencyKey) ||
+                other.idempotencyKey == idempotencyKey));
   }
 
   @override
@@ -895,6 +921,7 @@ class _$RefundFormStateImpl implements _RefundFormState {
     refundReason,
     failureOrRefund,
     isSubmitting,
+    idempotencyKey,
   );
 
   /// Create a copy of RefundFormState
@@ -916,6 +943,7 @@ abstract class _RefundFormState implements RefundFormState {
     final RefundReason? refundReason,
     required final Option<Either<OrderFailure, Unit>> failureOrRefund,
     final bool isSubmitting,
+    final String? idempotencyKey,
   }) = _$RefundFormStateImpl;
 
   @override
@@ -929,6 +957,12 @@ abstract class _RefundFormState implements RefundFormState {
   @override
   bool get isSubmitting;
 
+  /// Idempotency key untuk refund submission.
+  /// Di-generate saat user tap "Refund", dipakai ulang saat retry,
+  /// di-clear setelah sukses.
+  @override
+  String? get idempotencyKey;
+
   /// Create a copy of RefundFormState
   /// with the given fields replaced by the non-null parameter values.
   @override

lib/application/refund/refund_form/refund_form_state.dart

@@ -8,6 +8,10 @@ class RefundFormState with _$RefundFormState {
     RefundReason? refundReason,
     required Option<Either<OrderFailure, Unit>> failureOrRefund,
     @Default(false) bool isSubmitting,
+    /// Idempotency key untuk refund submission.
+    /// Di-generate saat user tap "Refund", dipakai ulang saat retry,
+    /// di-clear setelah sukses.
+    String? idempotencyKey,
   }) = _RefundFormState;
 
   factory RefundFormState.initial() => RefundFormState(

lib/application/void/void_form/void_form_bloc.dart

@@ -3,6 +3,7 @@ import 'package:collection/collection.dart';
 import 'package:dartz/dartz.dart' hide Order;
 import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:injectable/injectable.dart' hide Order;
+import 'package:uuid/uuid.dart';
 
 import '../../../common/types/void_type.dart';
 import '../../../domain/order/order.dart';
@@ -99,18 +100,28 @@ class VoidFormBloc extends Bloc<VoidFormEvent, VoidFormState> {
                 updatedAt: originalItem.updatedAt,
                 printerType: originalItem.printerType,
                 paidQuantity: originalItem.paidQuantity,
+                printToChecker: originalItem.printToChecker,
               ),
             );
           });
         }
 
-        emit(state.copyWith(isSubmitting: true, failureOrVoid: none()));
+        // Generate new idempotency key saat user intent (tap Void)
+        // Kalau sedang retry, pakai key yang sama
+        final idempotencyKey = state.idempotencyKey ?? const Uuid().v4();
+
+        emit(state.copyWith(
+          isSubmitting: true,
+          failureOrVoid: none(),
+          idempotencyKey: idempotencyKey,
+        ));
 
         failureOrVoid = await _repository.voidOrder(
           orderId: state.order.id,
           reason: state.voidReason ?? '',
           orderItems: voidItems,
           type: state.voidType.toStringType(),
+          idempotencyKey: idempotencyKey,
         );
 
         emit(
@@ -118,6 +129,8 @@ class VoidFormBloc extends Bloc<VoidFormEvent, VoidFormState> {
             isSubmitting: false,
             failureOrVoid: optionOf(failureOrVoid),
             voidItems: state.voidType.isItem ? voidItems : state.pendingItems,
+            // Clear key on success, keep on failure for retry
+            idempotencyKey: failureOrVoid.isRight() ? null : idempotencyKey,
           ),
         );
       },

lib/application/void/void_form/void_form_bloc.freezed.dart

@@ -1256,6 +1256,11 @@ mixin _$VoidFormState {
       throw _privateConstructorUsedError;
   bool get isSubmitting => throw _privateConstructorUsedError;
 
+  /// Idempotency key untuk void submission.
+  /// Di-generate saat user tap "Void", dipakai ulang saat retry,
+  /// di-clear setelah sukses atau clearState.
+  String? get idempotencyKey => throw _privateConstructorUsedError;
+
   /// Create a copy of VoidFormState
   /// with the given fields replaced by the non-null parameter values.
   @JsonKey(includeFromJson: false, includeToJson: false)
@@ -1280,6 +1285,7 @@ abstract class $VoidFormStateCopyWith<$Res> {
     int totalPriceVoid,
     Option<Either<OrderFailure, Unit>> failureOrVoid,
     bool isSubmitting,
+    String? idempotencyKey,
   });
 
   $OrderCopyWith<$Res> get order;
@@ -1309,6 +1315,7 @@ class _$VoidFormStateCopyWithImpl<$Res, $Val extends VoidFormState>
     Object? totalPriceVoid = null,
     Object? failureOrVoid = null,
     Object? isSubmitting = null,
+    Object? idempotencyKey = freezed,
   }) {
     return _then(
       _value.copyWith(
@@ -1348,6 +1355,10 @@ class _$VoidFormStateCopyWithImpl<$Res, $Val extends VoidFormState>
                 ? _value.isSubmitting
                 : isSubmitting // ignore: cast_nullable_to_non_nullable
                       as bool,
+            idempotencyKey: freezed == idempotencyKey
+                ? _value.idempotencyKey
+                : idempotencyKey // ignore: cast_nullable_to_non_nullable
+                      as String?,
           )
           as $Val,
     );
@@ -1383,6 +1394,7 @@ abstract class _$$VoidFormStateImplCopyWith<$Res>
     int totalPriceVoid,
     Option<Either<OrderFailure, Unit>> failureOrVoid,
     bool isSubmitting,
+    String? idempotencyKey,
   });
 
   @override
@@ -1412,6 +1424,7 @@ class __$$VoidFormStateImplCopyWithImpl<$Res>
     Object? totalPriceVoid = null,
     Object? failureOrVoid = null,
     Object? isSubmitting = null,
+    Object? idempotencyKey = freezed,
   }) {
     return _then(
       _$VoidFormStateImpl(
@@ -1451,6 +1464,10 @@ class __$$VoidFormStateImplCopyWithImpl<$Res>
             ? _value.isSubmitting
             : isSubmitting // ignore: cast_nullable_to_non_nullable
                   as bool,
+        idempotencyKey: freezed == idempotencyKey
+            ? _value.idempotencyKey
+            : idempotencyKey // ignore: cast_nullable_to_non_nullable
+                  as String?,
       ),
     );
   }
@@ -1469,6 +1486,7 @@ class _$VoidFormStateImpl implements _VoidFormState {
     required this.totalPriceVoid,
     required this.failureOrVoid,
     this.isSubmitting = false,
+    this.idempotencyKey,
   }) : _pendingItems = pendingItems,
        _voidItems = voidItems,
        _selectedItemQuantities = selectedItemQuantities;
@@ -1512,9 +1530,15 @@ class _$VoidFormStateImpl implements _VoidFormState {
   @JsonKey()
   final bool isSubmitting;
 
+  /// Idempotency key untuk void submission.
+  /// Di-generate saat user tap "Void", dipakai ulang saat retry,
+  /// di-clear setelah sukses atau clearState.
+  @override
+  final String? idempotencyKey;
+
   @override
   String toString() {
-    return 'VoidFormState(order: $order, pendingItems: $pendingItems, voidItems: $voidItems, voidType: $voidType, selectedItemQuantities: $selectedItemQuantities, voidReason: $voidReason, totalPriceVoid: $totalPriceVoid, failureOrVoid: $failureOrVoid, isSubmitting: $isSubmitting)';
+    return 'VoidFormState(order: $order, pendingItems: $pendingItems, voidItems: $voidItems, voidType: $voidType, selectedItemQuantities: $selectedItemQuantities, voidReason: $voidReason, totalPriceVoid: $totalPriceVoid, failureOrVoid: $failureOrVoid, isSubmitting: $isSubmitting, idempotencyKey: $idempotencyKey)';
   }
 
   @override
@@ -1544,7 +1568,9 @@ class _$VoidFormStateImpl implements _VoidFormState {
             (identical(other.failureOrVoid, failureOrVoid) ||
                 other.failureOrVoid == failureOrVoid) &&
             (identical(other.isSubmitting, isSubmitting) ||
-                other.isSubmitting == isSubmitting));
+                other.isSubmitting == isSubmitting) &&
+            (identical(other.idempotencyKey, idempotencyKey) ||
+                other.idempotencyKey == idempotencyKey));
   }
 
   @override
@@ -1559,6 +1585,7 @@ class _$VoidFormStateImpl implements _VoidFormState {
     totalPriceVoid,
     failureOrVoid,
     isSubmitting,
+    idempotencyKey,
   );
 
   /// Create a copy of VoidFormState
@@ -1581,6 +1608,7 @@ abstract class _VoidFormState implements VoidFormState {
     required final int totalPriceVoid,
     required final Option<Either<OrderFailure, Unit>> failureOrVoid,
     final bool isSubmitting,
+    final String? idempotencyKey,
   }) = _$VoidFormStateImpl;
 
   @override
@@ -1602,6 +1630,12 @@ abstract class _VoidFormState implements VoidFormState {
   @override
   bool get isSubmitting;
 
+  /// Idempotency key untuk void submission.
+  /// Di-generate saat user tap "Void", dipakai ulang saat retry,
+  /// di-clear setelah sukses atau clearState.
+  @override
+  String? get idempotencyKey;
+
   /// Create a copy of VoidFormState
   /// with the given fields replaced by the non-null parameter values.
   @override

lib/application/void/void_form/void_form_state.dart

@@ -12,6 +12,10 @@ class VoidFormState with _$VoidFormState {
     required int totalPriceVoid,
     required Option<Either<OrderFailure, Unit>> failureOrVoid,
     @Default(false) bool isSubmitting,
+    /// Idempotency key untuk void submission.
+    /// Di-generate saat user tap "Void", dipakai ulang saat retry,
+    /// di-clear setelah sukses atau clearState.
+    String? idempotencyKey,
   }) = _VoidFormState;
 
   factory VoidFormState.initial() => VoidFormState(

lib/common/api/api_client.dart

@@ -16,6 +16,7 @@ import 'interceptors/bad_network_interceptor.dart';
 import 'interceptors/bad_request_interceptor.dart';
 import 'interceptors/connection_timeout_interceptor.dart';
 import 'interceptors/crashlytic_interceptor.dart';
+import 'interceptors/idempotency_interceptor.dart';
 import 'interceptors/internal_server_interceptor.dart';
 import 'interceptors/not_found_interceptor.dart';
 import 'interceptors/unauthorized_interceptor.dart';
@@ -30,6 +31,7 @@ class ApiClient {
     _dio.options.connectTimeout = const Duration(seconds: 20);
     _dio.options.validateStatus = (status) =>
         status != null && status >= 200 && status < 500;
+    _dio.interceptors.add(IdempotencyInterceptor(_dio));
     _dio.interceptors.add(BadNetworkErrorInterceptor());
     _dio.interceptors.add(BadRequestErrorInterceptor());
     _dio.interceptors.add(InternalServerErrorInterceptor());

lib/common/api/interceptors/idempotency_interceptor.dart

@@ -0,0 +1,104 @@
+import 'package:dio/dio.dart';
+import 'package:uuid/uuid.dart';
+
+/// Interceptor yang secara otomatis menambahkan header X-Idempotency-Key
+/// untuk endpoint-endpoint kritis yang memerlukan idempotency.
+///
+/// Key sebaiknya di-generate di level BLoC/Cubit saat user trigger action,
+/// lalu dikirim via headers. Interceptor ini hanya berfungsi sebagai fallback
+/// jika key belum di-set.
+///
+/// Jika response 409 dengan error code `request_in_progress`, interceptor
+/// akan retry setelah delay 1-2 detik.
+class IdempotencyInterceptor extends Interceptor {
+  static const _headerKey = 'X-Idempotency-Key';
+  static const _replayHeader = 'X-Idempotent-Replay';
+
+  // Endpoints that require idempotency keys (exact match)
+  static const _idempotentPaths = [
+    '/api/v1/payments',
+    '/api/v1/orders/void',
+  ];
+
+  // Endpoints that require idempotency keys (pattern match)
+  static final _idempotentPathPatterns = [
+    RegExp(r'/api/v1/orders/.+/add-items$'),
+    RegExp(r'/api/v1/orders/.+/refund$'),
+    RegExp(r'/api/v1/payments/.+/refund$'),
+  ];
+
+  static const _maxRetries = 3;
+  static const _retryDelay = Duration(seconds: 2);
+
+  final Dio _dio;
+
+  IdempotencyInterceptor(this._dio);
+
+  @override
+  void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
+    if (options.method == 'POST' && _requiresIdempotencyKey(options.path)) {
+      // Gunakan key yang sudah di-set dari BLoC, atau generate baru sebagai fallback
+      options.headers[_headerKey] ??= const Uuid().v4();
+    }
+    handler.next(options);
+  }
+
+  @override
+  void onResponse(Response response, ResponseInterceptorHandler handler) {
+    // Log jika response adalah replay dari request sebelumnya
+    final isReplay = response.headers.value(_replayHeader);
+    if (isReplay == 'true') {
+      // Response ini adalah hasil dari request pertama yang sudah diproses.
+      // Treat as success — tidak perlu perlakuan khusus.
+    }
+    handler.next(response);
+  }
+
+  @override
+  void onError(DioException err, ErrorInterceptorHandler handler) async {
+    final response = err.response;
+    final options = err.requestOptions;
+
+    if (response == null) {
+      handler.next(err);
+      return;
+    }
+
+    // Handle 409 Conflict with request_in_progress
+    if (response.statusCode == 409 &&
+        _isRequestInProgress(response.data) &&
+        _requiresIdempotencyKey(options.path)) {
+      final retryCount = options.extra['_idempotency_retry_count'] ?? 0;
+
+      if (retryCount < _maxRetries) {
+        await Future.delayed(_retryDelay);
+
+        options.extra['_idempotency_retry_count'] = retryCount + 1;
+
+        try {
+          final retryResponse = await _dio.fetch(options);
+          handler.resolve(retryResponse);
+        } on DioException catch (e) {
+          handler.next(e);
+        }
+        return;
+      }
+    }
+
+    handler.next(err);
+  }
+
+  bool _requiresIdempotencyKey(String path) {
+    if (_idempotentPaths.any((p) => path.endsWith(p))) return true;
+    if (_idempotentPathPatterns.any((r) => r.hasMatch(path))) return true;
+    return false;
+  }
+
+  bool _isRequestInProgress(dynamic data) {
+    if (data is Map<String, dynamic>) {
+      final errorCode = data['error_code'] ?? data['code'] ?? '';
+      return errorCode == 'request_in_progress';
+    }
+    return false;
+  }
+}

lib/common/database/database_helper.dart

@@ -17,7 +17,7 @@ class DatabaseHelper {
 
     return await openDatabase(
       path,
-      version: 1, // Updated version for categories table
+      version: 2,
       onCreate: _onCreate,
       onUpgrade: _onUpgrade,
     );
@@ -38,6 +38,7 @@ class DatabaseHelper {
         business_type TEXT,
         image_url TEXT,
         printer_type TEXT,
+        print_to_checker INTEGER DEFAULT 0,
         metadata TEXT,
         is_active INTEGER,
         created_at TEXT,
@@ -107,7 +108,13 @@ class DatabaseHelper {
     await db.execute('CREATE INDEX idx_printers_type ON printers(type)');
   }
 
-  Future<void> _onUpgrade(Database db, int oldVersion, int newVersion) async {}
+  Future<void> _onUpgrade(Database db, int oldVersion, int newVersion) async {
+    if (oldVersion < 2) {
+      await db.execute(
+        'ALTER TABLE products ADD COLUMN print_to_checker INTEGER DEFAULT 0',
+      );
+    }
+  }
 
   Future<void> close() async {
     final db = await database;

lib/domain/order/entities/order_entity.dart

@@ -125,6 +125,7 @@ class Order with _$Order {
         createdAt: DateTime.now().subtract(const Duration(hours: 1)),
         updatedAt: DateTime.now(),
         printerType: 'Barista',
+        printToChecker: false,
         paidQuantity: 2,
         categoryId: 'CAT-001',
         categoryName: 'Minuman',
@@ -145,6 +146,7 @@ class Order with _$Order {
         createdAt: DateTime.now().subtract(const Duration(hours: 1)),
         updatedAt: DateTime.now(),
         printerType: 'Kitchen',
+        printToChecker: false,
         paidQuantity: 1,
         categoryId: 'CAT-002',
         categoryName: 'Makanan',
@@ -165,6 +167,7 @@ class Order with _$Order {
         createdAt: DateTime.now().subtract(const Duration(hours: 1)),
         updatedAt: DateTime.now(),
         printerType: 'Kitchen',
+        printToChecker: false,
         paidQuantity: 1,
         categoryId: 'CAT-002',
         categoryName: 'Makanan',
@@ -230,6 +233,7 @@ class OrderItem with _$OrderItem {
     required DateTime createdAt,
     required DateTime updatedAt,
     required String printerType,
+    required bool printToChecker,
     required int paidQuantity,
     required String categoryId,
     required String categoryName,
@@ -251,6 +255,7 @@ class OrderItem with _$OrderItem {
     createdAt: DateTime(1970),
     updatedAt: DateTime(1970),
     printerType: '',
+    printToChecker: false,
     paidQuantity: 0,
     categoryId: '',
     categoryName: '',
@@ -274,6 +279,7 @@ class OrderItem with _$OrderItem {
         createdAt: DateTime.now(),
         updatedAt: DateTime.now(),
         printerType: productQuantity.product.printerType,
+        printToChecker: productQuantity.product.printToChecker,
         paidQuantity: 0,
         categoryId: '',
         categoryName: '',

lib/domain/order/order.freezed.dart

@@ -1002,6 +1002,7 @@ mixin _$OrderItem {
   DateTime get createdAt => throw _privateConstructorUsedError;
   DateTime get updatedAt => throw _privateConstructorUsedError;
   String get printerType => throw _privateConstructorUsedError;
+  bool get printToChecker => throw _privateConstructorUsedError;
   int get paidQuantity => throw _privateConstructorUsedError;
   String get categoryId => throw _privateConstructorUsedError;
   String get categoryName => throw _privateConstructorUsedError;
@@ -1034,6 +1035,7 @@ abstract class $OrderItemCopyWith<$Res> {
     DateTime createdAt,
     DateTime updatedAt,
     String printerType,
+    bool printToChecker,
     int paidQuantity,
     String categoryId,
     String categoryName,
@@ -1070,6 +1072,7 @@ class _$OrderItemCopyWithImpl<$Res, $Val extends OrderItem>
     Object? createdAt = null,
     Object? updatedAt = null,
     Object? printerType = null,
+    Object? printToChecker = null,
     Object? paidQuantity = null,
     Object? categoryId = null,
     Object? categoryName = null,
@@ -1136,6 +1139,10 @@ class _$OrderItemCopyWithImpl<$Res, $Val extends OrderItem>
                 ? _value.printerType
                 : printerType // ignore: cast_nullable_to_non_nullable
                       as String,
+            printToChecker: null == printToChecker
+                ? _value.printToChecker
+                : printToChecker // ignore: cast_nullable_to_non_nullable
+                      as bool,
             paidQuantity: null == paidQuantity
                 ? _value.paidQuantity
                 : paidQuantity // ignore: cast_nullable_to_non_nullable
@@ -1179,6 +1186,7 @@ abstract class _$$OrderItemImplCopyWith<$Res>
     DateTime createdAt,
     DateTime updatedAt,
     String printerType,
+    bool printToChecker,
     int paidQuantity,
     String categoryId,
     String categoryName,
@@ -1214,6 +1222,7 @@ class __$$OrderItemImplCopyWithImpl<$Res>
     Object? createdAt = null,
     Object? updatedAt = null,
     Object? printerType = null,
+    Object? printToChecker = null,
     Object? paidQuantity = null,
     Object? categoryId = null,
     Object? categoryName = null,
@@ -1280,6 +1289,10 @@ class __$$OrderItemImplCopyWithImpl<$Res>
             ? _value.printerType
             : printerType // ignore: cast_nullable_to_non_nullable
                   as String,
+        printToChecker: null == printToChecker
+            ? _value.printToChecker
+            : printToChecker // ignore: cast_nullable_to_non_nullable
+                  as bool,
         paidQuantity: null == paidQuantity
             ? _value.paidQuantity
             : paidQuantity // ignore: cast_nullable_to_non_nullable
@@ -1316,6 +1329,7 @@ class _$OrderItemImpl implements _OrderItem {
     required this.createdAt,
     required this.updatedAt,
     required this.printerType,
+    required this.printToChecker,
     required this.paidQuantity,
     required this.categoryId,
     required this.categoryName,
@@ -1358,6 +1372,8 @@ class _$OrderItemImpl implements _OrderItem {
   @override
   final String printerType;
   @override
+  final bool printToChecker;
+  @override
   final int paidQuantity;
   @override
   final String categoryId;
@@ -1366,7 +1382,7 @@ class _$OrderItemImpl implements _OrderItem {
 
   @override
   String toString() {
-    return 'OrderItem(id: $id, orderId: $orderId, productId: $productId, productName: $productName, productVariantId: $productVariantId, productVariantName: $productVariantName, quantity: $quantity, unitPrice: $unitPrice, totalPrice: $totalPrice, modifiers: $modifiers, notes: $notes, status: $status, createdAt: $createdAt, updatedAt: $updatedAt, printerType: $printerType, paidQuantity: $paidQuantity, categoryId: $categoryId, categoryName: $categoryName)';
+    return 'OrderItem(id: $id, orderId: $orderId, productId: $productId, productName: $productName, productVariantId: $productVariantId, productVariantName: $productVariantName, quantity: $quantity, unitPrice: $unitPrice, totalPrice: $totalPrice, modifiers: $modifiers, notes: $notes, status: $status, createdAt: $createdAt, updatedAt: $updatedAt, printerType: $printerType, printToChecker: $printToChecker, paidQuantity: $paidQuantity, categoryId: $categoryId, categoryName: $categoryName)';
   }
 
   @override
@@ -1402,6 +1418,8 @@ class _$OrderItemImpl implements _OrderItem {
                 other.updatedAt == updatedAt) &&
             (identical(other.printerType, printerType) ||
                 other.printerType == printerType) &&
+            (identical(other.printToChecker, printToChecker) ||
+                other.printToChecker == printToChecker) &&
             (identical(other.paidQuantity, paidQuantity) ||
                 other.paidQuantity == paidQuantity) &&
             (identical(other.categoryId, categoryId) ||
@@ -1411,7 +1429,7 @@ class _$OrderItemImpl implements _OrderItem {
   }
 
   @override
-  int get hashCode => Object.hash(
+  int get hashCode => Object.hashAll([
     runtimeType,
     id,
     orderId,
@@ -1428,10 +1446,11 @@ class _$OrderItemImpl implements _OrderItem {
     createdAt,
     updatedAt,
     printerType,
+    printToChecker,
     paidQuantity,
     categoryId,
     categoryName,
-  );
+  ]);
 
   /// Create a copy of OrderItem
   /// with the given fields replaced by the non-null parameter values.
@@ -1459,6 +1478,7 @@ abstract class _OrderItem implements OrderItem {
     required final DateTime createdAt,
     required final DateTime updatedAt,
     required final String printerType,
+    required final bool printToChecker,
     required final int paidQuantity,
     required final String categoryId,
     required final String categoryName,
@@ -1495,6 +1515,8 @@ abstract class _OrderItem implements OrderItem {
   @override
   String get printerType;
   @override
+  bool get printToChecker;
+  @override
   int get paidQuantity;
   @override
   String get categoryId;

lib/domain/order/repositories/i_order_repository.dart

@@ -24,10 +24,12 @@ abstract class IOrderRepository {
   Future<Either<OrderFailure, Order>> addItemOrder({
     required String id,
     required List<AddItemOrderRequest> request,
+    String? idempotencyKey,
   });
 
   Future<Either<OrderFailure, Payment>> createPayment({
     required PaymentRequest request,
+    String? idempotencyKey,
   });
 
   Future<Either<OrderFailure, Unit>> voidOrder({
@@ -35,15 +37,18 @@ abstract class IOrderRepository {
     required String reason,
     String type = "ITEM", // TYPE: ALL, ITEM
     required List<OrderItem> orderItems,
+    String? idempotencyKey,
   });
 
   Future<Either<OrderFailure, Payment>> createSplitBill(
-    PaymentSplitBillRequest request,
+    PaymentSplitBillRequest request, {
-  );
+    String? idempotencyKey,
+  });
 
   Future<Either<OrderFailure, Unit>> refundOrder({
     required String id,
     required String reason,
     required int refundAmount,
+    String? idempotencyKey,
   });
 }

lib/domain/product/entities/product_entity.dart

@@ -33,6 +33,7 @@ class Product with _$Product {
     required String businessType,
     required String imageUrl,
     required String printerType,
+    required bool printToChecker,
     required Map<String, dynamic> metadata,
     required bool isActive,
     required String createdAt,
@@ -52,6 +53,7 @@ class Product with _$Product {
     businessType: '',
     imageUrl: '',
     printerType: '',
+    printToChecker: false,
     metadata: {},
     isActive: false,
     createdAt: '',

lib/domain/product/product.freezed.dart

@@ -279,6 +279,7 @@ mixin _$Product {
   String get businessType => throw _privateConstructorUsedError;
   String get imageUrl => throw _privateConstructorUsedError;
   String get printerType => throw _privateConstructorUsedError;
+  bool get printToChecker => throw _privateConstructorUsedError;
   Map<String, dynamic> get metadata => throw _privateConstructorUsedError;
   bool get isActive => throw _privateConstructorUsedError;
   String get createdAt => throw _privateConstructorUsedError;
@@ -308,6 +309,7 @@ abstract class $ProductCopyWith<$Res> {
     String businessType,
     String imageUrl,
     String printerType,
+    bool printToChecker,
     Map<String, dynamic> metadata,
     bool isActive,
     String createdAt,
@@ -342,6 +344,7 @@ class _$ProductCopyWithImpl<$Res, $Val extends Product>
     Object? businessType = null,
     Object? imageUrl = null,
     Object? printerType = null,
+    Object? printToChecker = null,
     Object? metadata = null,
     Object? isActive = null,
     Object? createdAt = null,
@@ -394,6 +397,10 @@ class _$ProductCopyWithImpl<$Res, $Val extends Product>
                 ? _value.printerType
                 : printerType // ignore: cast_nullable_to_non_nullable
                       as String,
+            printToChecker: null == printToChecker
+                ? _value.printToChecker
+                : printToChecker // ignore: cast_nullable_to_non_nullable
+                      as bool,
             metadata: null == metadata
                 ? _value.metadata
                 : metadata // ignore: cast_nullable_to_non_nullable
@@ -440,6 +447,7 @@ abstract class _$$ProductImplCopyWith<$Res> implements $ProductCopyWith<$Res> {
     String businessType,
     String imageUrl,
     String printerType,
+    bool printToChecker,
     Map<String, dynamic> metadata,
     bool isActive,
     String createdAt,
@@ -473,6 +481,7 @@ class __$$ProductImplCopyWithImpl<$Res>
     Object? businessType = null,
     Object? imageUrl = null,
     Object? printerType = null,
+    Object? printToChecker = null,
     Object? metadata = null,
     Object? isActive = null,
     Object? createdAt = null,
@@ -525,6 +534,10 @@ class __$$ProductImplCopyWithImpl<$Res>
             ? _value.printerType
             : printerType // ignore: cast_nullable_to_non_nullable
                   as String,
+        printToChecker: null == printToChecker
+            ? _value.printToChecker
+            : printToChecker // ignore: cast_nullable_to_non_nullable
+                  as bool,
         metadata: null == metadata
             ? _value._metadata
             : metadata // ignore: cast_nullable_to_non_nullable
@@ -565,6 +578,7 @@ class _$ProductImpl with DiagnosticableTreeMixin implements _Product {
     required this.businessType,
     required this.imageUrl,
     required this.printerType,
+    required this.printToChecker,
     required final Map<String, dynamic> metadata,
     required this.isActive,
     required this.createdAt,
@@ -595,6 +609,8 @@ class _$ProductImpl with DiagnosticableTreeMixin implements _Product {
   final String imageUrl;
   @override
   final String printerType;
+  @override
+  final bool printToChecker;
   final Map<String, dynamic> _metadata;
   @override
   Map<String, dynamic> get metadata {
@@ -619,7 +635,7 @@ class _$ProductImpl with DiagnosticableTreeMixin implements _Product {
 
   @override
   String toString({DiagnosticLevel minLevel = DiagnosticLevel.info}) {
-    return 'Product(id: $id, organizationId: $organizationId, categoryId: $categoryId, sku: $sku, name: $name, description: $description, price: $price, cost: $cost, businessType: $businessType, imageUrl: $imageUrl, printerType: $printerType, metadata: $metadata, isActive: $isActive, createdAt: $createdAt, updatedAt: $updatedAt, variants: $variants)';
+    return 'Product(id: $id, organizationId: $organizationId, categoryId: $categoryId, sku: $sku, name: $name, description: $description, price: $price, cost: $cost, businessType: $businessType, imageUrl: $imageUrl, printerType: $printerType, printToChecker: $printToChecker, metadata: $metadata, isActive: $isActive, createdAt: $createdAt, updatedAt: $updatedAt, variants: $variants)';
   }
 
   @override
@@ -638,6 +654,7 @@ class _$ProductImpl with DiagnosticableTreeMixin implements _Product {
       ..add(DiagnosticsProperty('businessType', businessType))
       ..add(DiagnosticsProperty('imageUrl', imageUrl))
       ..add(DiagnosticsProperty('printerType', printerType))
+      ..add(DiagnosticsProperty('printToChecker', printToChecker))
       ..add(DiagnosticsProperty('metadata', metadata))
       ..add(DiagnosticsProperty('isActive', isActive))
       ..add(DiagnosticsProperty('createdAt', createdAt))
@@ -667,6 +684,8 @@ class _$ProductImpl with DiagnosticableTreeMixin implements _Product {
                 other.imageUrl == imageUrl) &&
             (identical(other.printerType, printerType) ||
                 other.printerType == printerType) &&
+            (identical(other.printToChecker, printToChecker) ||
+                other.printToChecker == printToChecker) &&
             const DeepCollectionEquality().equals(other._metadata, _metadata) &&
             (identical(other.isActive, isActive) ||
                 other.isActive == isActive) &&
@@ -691,6 +710,7 @@ class _$ProductImpl with DiagnosticableTreeMixin implements _Product {
     businessType,
     imageUrl,
     printerType,
+    printToChecker,
     const DeepCollectionEquality().hash(_metadata),
     isActive,
     createdAt,
@@ -720,6 +740,7 @@ abstract class _Product implements Product {
     required final String businessType,
     required final String imageUrl,
     required final String printerType,
+    required final bool printToChecker,
     required final Map<String, dynamic> metadata,
     required final bool isActive,
     required final String createdAt,
@@ -750,6 +771,8 @@ abstract class _Product implements Product {
   @override
   String get printerType;
   @override
+  bool get printToChecker;
+  @override
   Map<String, dynamic> get metadata;
   @override
   bool get isActive;

lib/env.dart

@@ -10,18 +10,18 @@ abstract class Env {
 @dev
 class DevEnv implements Env {
   @override
-  String get baseUrl => 'https://api-pos.apskel.id';
+  String get baseUrl => 'http://194.233.78.1:4001';
 
   @override
-  String get dbName => "apskel_pos_dev.db"; // example value
+  String get dbName => "apskel_pos_staging.db";
 }
 
 @Injectable(as: Env)
 @prod
 class ProdEnv implements Env {
   @override
-  String get baseUrl => 'https://api-pos.apskel.id';
+  String get baseUrl => 'https://enaklo-pos-api.altru.id';
 
   @override
-  String get dbName => "apskel_pos_dev.db";
+  String get dbName => "apskel_pos_prod.db";
 }

lib/infrastructure/order/datasources/remote_data_provider.dart

@@ -18,6 +18,15 @@ class OrderRemoteDataProvider {
   final _logName = 'OrderRemoteDataProvider';
   OrderRemoteDataProvider(this._apiClient);
 
+  /// Helper untuk merge auth header dengan idempotency key
+  Map<String, dynamic> _buildHeaders({String? idempotencyKey}) {
+    final headers = getAuthorizationHeader();
+    if (idempotencyKey != null) {
+      headers['X-Idempotency-Key'] = idempotencyKey;
+    }
+    return headers;
+  }
+
   Future<DC<OrderFailure, ListOrderDto>> fetchOrders({
     int page = 1,
     int limit = 10,
@@ -151,13 +160,14 @@ class OrderRemoteDataProvider {
   }
 
   Future<DC<OrderFailure, PaymentDto>> storePayment(
-    PaymentRequestDto request,
+    PaymentRequestDto request, {
-  ) async {
+    String? idempotencyKey,
+  }) async {
     try {
       final response = await _apiClient.post(
         ApiPath.payments,
         data: request.toJson(),
-        headers: getAuthorizationHeader(),
+        headers: _buildHeaders(idempotencyKey: idempotencyKey),
       );
 
       if (response.data['success'] == false) {
@@ -178,6 +188,7 @@ class OrderRemoteDataProvider {
   Future<DC<OrderFailure, OrderDto>> addItemOrder({
     required String id,
     required List<AddItemOrderRequestDto> request,
+    String? idempotencyKey,
   }) async {
     try {
       final response = await _apiClient.post(
@@ -186,7 +197,7 @@ class OrderRemoteDataProvider {
           'notes': '',
           'order_items': request.map((e) => e.toRequest()).toList(),
         },
-        headers: getAuthorizationHeader(),
+        headers: _buildHeaders(idempotencyKey: idempotencyKey),
       );
 
       if (response.data['success'] == false) {
@@ -209,6 +220,7 @@ class OrderRemoteDataProvider {
     required String reason,
     String type = "ITEM", // TYPE: ALL, ITEM
     required List<OrderItemDto> orderItems,
+    String? idempotencyKey,
   }) async {
     try {
       final response = await _apiClient.post(
@@ -223,7 +235,7 @@ class OrderRemoteDataProvider {
               )
               .toList(),
         },
-        headers: getAuthorizationHeader(),
+        headers: _buildHeaders(idempotencyKey: idempotencyKey),
       );
 
       if (response.data['success'] == false) {
@@ -238,14 +250,15 @@ class OrderRemoteDataProvider {
   }
 
   Future<DC<OrderFailure, PaymentDto>> createSplitBill(
-    PaymentSplitBillRequestDto request,
+    PaymentSplitBillRequestDto request, {
-  ) async {
+    String? idempotencyKey,
+  }) async {
     log(request.toRequest().toString());
     try {
       final response = await _apiClient.post(
         "${ApiPath.orders}/split-bill",
         data: request.toRequest(),
-        headers: getAuthorizationHeader(),
+        headers: _buildHeaders(idempotencyKey: idempotencyKey),
       );
 
       if (response.data['success'] == false) {
@@ -267,12 +280,13 @@ class OrderRemoteDataProvider {
     required String id,
     required String reason,
     required int refundAmount,
+    String? idempotencyKey,
   }) async {
     try {
       final response = await _apiClient.post(
         '${ApiPath.orders}/$id/refund',
         data: {'refund_amount': refundAmount, 'reason': reason},
-        headers: getAuthorizationHeader(),
+        headers: _buildHeaders(idempotencyKey: idempotencyKey),
       );
 
       if (response.data['success'] == false) {

lib/infrastructure/order/dtos/order_dto.dart

@@ -114,6 +114,7 @@ class OrderItemDto with _$OrderItemDto {
     @JsonKey(name: "created_at") String? createdAt,
     @JsonKey(name: "updated_at") String? updatedAt,
     @JsonKey(name: "printer_type") String? printerType,
+    @JsonKey(name: "print_to_checker") bool? printToChecker,
     @JsonKey(name: "paid_quantity") int? paidQuantity,
     @JsonKey(name: "category_id") String? categoryId,
     @JsonKey(name: "category_name") String? categoryName,
@@ -139,6 +140,7 @@ class OrderItemDto with _$OrderItemDto {
     createdAt: createdAt != null ? DateTime.parse(createdAt!) : DateTime(1970),
     updatedAt: updatedAt != null ? DateTime.parse(updatedAt!) : DateTime(1970),
     printerType: printerType ?? '',
+    printToChecker: printToChecker ?? false,
     paidQuantity: paidQuantity ?? 0,
     categoryId: categoryId ?? '',
     categoryName: categoryName ?? '',
@@ -160,6 +162,7 @@ class OrderItemDto with _$OrderItemDto {
     createdAt: orderItem.createdAt.toIso8601String(),
     updatedAt: orderItem.updatedAt.toIso8601String(),
     printerType: orderItem.printerType,
+    printToChecker: orderItem.printToChecker,
     paidQuantity: orderItem.paidQuantity,
     categoryId: orderItem.categoryId,
     categoryName: orderItem.categoryName,

lib/infrastructure/order/order_dtos.freezed.dart

@@ -1169,6 +1169,8 @@ mixin _$OrderItemDto {
   String? get updatedAt => throw _privateConstructorUsedError;
   @JsonKey(name: "printer_type")
   String? get printerType => throw _privateConstructorUsedError;
+  @JsonKey(name: "print_to_checker")
+  bool? get printToChecker => throw _privateConstructorUsedError;
   @JsonKey(name: "paid_quantity")
   int? get paidQuantity => throw _privateConstructorUsedError;
   @JsonKey(name: "category_id")
@@ -1209,6 +1211,7 @@ abstract class $OrderItemDtoCopyWith<$Res> {
     @JsonKey(name: "created_at") String? createdAt,
     @JsonKey(name: "updated_at") String? updatedAt,
     @JsonKey(name: "printer_type") String? printerType,
+    @JsonKey(name: "print_to_checker") bool? printToChecker,
     @JsonKey(name: "paid_quantity") int? paidQuantity,
     @JsonKey(name: "category_id") String? categoryId,
     @JsonKey(name: "category_name") String? categoryName,
@@ -1245,6 +1248,7 @@ class _$OrderItemDtoCopyWithImpl<$Res, $Val extends OrderItemDto>
     Object? createdAt = freezed,
     Object? updatedAt = freezed,
     Object? printerType = freezed,
+    Object? printToChecker = freezed,
     Object? paidQuantity = freezed,
     Object? categoryId = freezed,
     Object? categoryName = freezed,
@@ -1311,6 +1315,10 @@ class _$OrderItemDtoCopyWithImpl<$Res, $Val extends OrderItemDto>
                 ? _value.printerType
                 : printerType // ignore: cast_nullable_to_non_nullable
                       as String?,
+            printToChecker: freezed == printToChecker
+                ? _value.printToChecker
+                : printToChecker // ignore: cast_nullable_to_non_nullable
+                      as bool?,
             paidQuantity: freezed == paidQuantity
                 ? _value.paidQuantity
                 : paidQuantity // ignore: cast_nullable_to_non_nullable
@@ -1354,6 +1362,7 @@ abstract class _$$OrderItemDtoImplCopyWith<$Res>
     @JsonKey(name: "created_at") String? createdAt,
     @JsonKey(name: "updated_at") String? updatedAt,
     @JsonKey(name: "printer_type") String? printerType,
+    @JsonKey(name: "print_to_checker") bool? printToChecker,
     @JsonKey(name: "paid_quantity") int? paidQuantity,
     @JsonKey(name: "category_id") String? categoryId,
     @JsonKey(name: "category_name") String? categoryName,
@@ -1389,6 +1398,7 @@ class __$$OrderItemDtoImplCopyWithImpl<$Res>
     Object? createdAt = freezed,
     Object? updatedAt = freezed,
     Object? printerType = freezed,
+    Object? printToChecker = freezed,
     Object? paidQuantity = freezed,
     Object? categoryId = freezed,
     Object? categoryName = freezed,
@@ -1455,6 +1465,10 @@ class __$$OrderItemDtoImplCopyWithImpl<$Res>
             ? _value.printerType
             : printerType // ignore: cast_nullable_to_non_nullable
                   as String?,
+        printToChecker: freezed == printToChecker
+            ? _value.printToChecker
+            : printToChecker // ignore: cast_nullable_to_non_nullable
+                  as bool?,
         paidQuantity: freezed == paidQuantity
             ? _value.paidQuantity
             : paidQuantity // ignore: cast_nullable_to_non_nullable
@@ -1491,6 +1505,7 @@ class _$OrderItemDtoImpl extends _OrderItemDto {
     @JsonKey(name: "created_at") this.createdAt,
     @JsonKey(name: "updated_at") this.updatedAt,
     @JsonKey(name: "printer_type") this.printerType,
+    @JsonKey(name: "print_to_checker") this.printToChecker,
     @JsonKey(name: "paid_quantity") this.paidQuantity,
     @JsonKey(name: "category_id") this.categoryId,
     @JsonKey(name: "category_name") this.categoryName,
@@ -1554,6 +1569,9 @@ class _$OrderItemDtoImpl extends _OrderItemDto {
   @JsonKey(name: "printer_type")
   final String? printerType;
   @override
+  @JsonKey(name: "print_to_checker")
+  final bool? printToChecker;
+  @override
   @JsonKey(name: "paid_quantity")
   final int? paidQuantity;
   @override
@@ -1565,7 +1583,7 @@ class _$OrderItemDtoImpl extends _OrderItemDto {
 
   @override
   String toString() {
-    return 'OrderItemDto(id: $id, orderId: $orderId, productId: $productId, productName: $productName, productVariantId: $productVariantId, productVariantName: $productVariantName, quantity: $quantity, unitPrice: $unitPrice, totalPrice: $totalPrice, modifiers: $modifiers, notes: $notes, status: $status, createdAt: $createdAt, updatedAt: $updatedAt, printerType: $printerType, paidQuantity: $paidQuantity, categoryId: $categoryId, categoryName: $categoryName)';
+    return 'OrderItemDto(id: $id, orderId: $orderId, productId: $productId, productName: $productName, productVariantId: $productVariantId, productVariantName: $productVariantName, quantity: $quantity, unitPrice: $unitPrice, totalPrice: $totalPrice, modifiers: $modifiers, notes: $notes, status: $status, createdAt: $createdAt, updatedAt: $updatedAt, printerType: $printerType, printToChecker: $printToChecker, paidQuantity: $paidQuantity, categoryId: $categoryId, categoryName: $categoryName)';
   }
 
   @override
@@ -1601,6 +1619,8 @@ class _$OrderItemDtoImpl extends _OrderItemDto {
                 other.updatedAt == updatedAt) &&
             (identical(other.printerType, printerType) ||
                 other.printerType == printerType) &&
+            (identical(other.printToChecker, printToChecker) ||
+                other.printToChecker == printToChecker) &&
             (identical(other.paidQuantity, paidQuantity) ||
                 other.paidQuantity == paidQuantity) &&
             (identical(other.categoryId, categoryId) ||
@@ -1611,7 +1631,7 @@ class _$OrderItemDtoImpl extends _OrderItemDto {
 
   @JsonKey(includeFromJson: false, includeToJson: false)
   @override
-  int get hashCode => Object.hash(
+  int get hashCode => Object.hashAll([
     runtimeType,
     id,
     orderId,
@@ -1628,10 +1648,11 @@ class _$OrderItemDtoImpl extends _OrderItemDto {
     createdAt,
     updatedAt,
     printerType,
+    printToChecker,
     paidQuantity,
     categoryId,
     categoryName,
-  );
+  ]);
 
   /// Create a copy of OrderItemDto
   /// with the given fields replaced by the non-null parameter values.
@@ -1664,6 +1685,7 @@ abstract class _OrderItemDto extends OrderItemDto {
     @JsonKey(name: "created_at") final String? createdAt,
     @JsonKey(name: "updated_at") final String? updatedAt,
     @JsonKey(name: "printer_type") final String? printerType,
+    @JsonKey(name: "print_to_checker") final bool? printToChecker,
     @JsonKey(name: "paid_quantity") final int? paidQuantity,
     @JsonKey(name: "category_id") final String? categoryId,
     @JsonKey(name: "category_name") final String? categoryName,
@@ -1719,6 +1741,9 @@ abstract class _OrderItemDto extends OrderItemDto {
   @JsonKey(name: "printer_type")
   String? get printerType;
   @override
+  @JsonKey(name: "print_to_checker")
+  bool? get printToChecker;
+  @override
   @JsonKey(name: "paid_quantity")
   int? get paidQuantity;
   @override

lib/infrastructure/order/order_dtos.g.dart

@@ -109,6 +109,7 @@ _$OrderItemDtoImpl _$$OrderItemDtoImplFromJson(Map<String, dynamic> json) =>
       createdAt: json['created_at'] as String?,
       updatedAt: json['updated_at'] as String?,
       printerType: json['printer_type'] as String?,
+      printToChecker: json['print_to_checker'] as bool?,
       paidQuantity: (json['paid_quantity'] as num?)?.toInt(),
       categoryId: json['category_id'] as String?,
       categoryName: json['category_name'] as String?,
@@ -131,6 +132,7 @@ Map<String, dynamic> _$$OrderItemDtoImplToJson(_$OrderItemDtoImpl instance) =>
       'created_at': instance.createdAt,
       'updated_at': instance.updatedAt,
       'printer_type': instance.printerType,
+      'print_to_checker': instance.printToChecker,
       'paid_quantity': instance.paidQuantity,
       'category_id': instance.categoryId,
       'category_name': instance.categoryName,

lib/infrastructure/order/repositories/order_repository.dart

@@ -110,6 +110,7 @@ class OrderRepository implements IOrderRepository {
   Future<Either<OrderFailure, Order>> addItemOrder({
     required String id,
     required List<AddItemOrderRequest> request,
+    String? idempotencyKey,
   }) async {
     try {
       final result = await _dataProvider.addItemOrder(
@@ -117,6 +118,7 @@ class OrderRepository implements IOrderRepository {
         request: request
             .map((e) => AddItemOrderRequestDto.fromDomain(e))
             .toList(),
+        idempotencyKey: idempotencyKey,
       );
 
       if (result.hasError) {
@@ -134,10 +136,12 @@ class OrderRepository implements IOrderRepository {
   @override
   Future<Either<OrderFailure, Payment>> createPayment({
     required PaymentRequest request,
+    String? idempotencyKey,
   }) async {
     try {
       final result = await _dataProvider.storePayment(
         PaymentRequestDto.fromDomain(request),
+        idempotencyKey: idempotencyKey,
       );
 
       if (result.hasError) {
@@ -158,6 +162,7 @@ class OrderRepository implements IOrderRepository {
     required String reason,
     String type = "ITEM",
     required List<OrderItem> orderItems,
+    String? idempotencyKey,
   }) async {
     try {
       final result = await _dataProvider.voidOrder(
@@ -165,6 +170,7 @@ class OrderRepository implements IOrderRepository {
         reason: reason,
         type: type,
         orderItems: orderItems.map((e) => OrderItemDto.fromDomain(e)).toList(),
+        idempotencyKey: idempotencyKey,
       );
 
       if (result.hasError) {
@@ -180,11 +186,13 @@ class OrderRepository implements IOrderRepository {
 
   @override
   Future<Either<OrderFailure, Payment>> createSplitBill(
-    PaymentSplitBillRequest request,
+    PaymentSplitBillRequest request, {
-  ) async {
+    String? idempotencyKey,
+  }) async {
     try {
       final result = await _dataProvider.createSplitBill(
         PaymentSplitBillRequestDto.fromDomain(request),
+        idempotencyKey: idempotencyKey,
       );
 
       if (result.hasError) {
@@ -204,12 +212,14 @@ class OrderRepository implements IOrderRepository {
     required String id,
     required String reason,
     required int refundAmount,
+    String? idempotencyKey,
   }) async {
     try {
       final result = await _dataProvider.refundPayment(
         id: id,
         reason: reason,
         refundAmount: refundAmount,
+        idempotencyKey: idempotencyKey,
       );
       if (result.hasError) {
         return left(result.error!);

lib/infrastructure/printer/repositories/printer_repository.dart

@@ -482,6 +482,14 @@ class PrinterRepository implements IPrinterRepository {
         );
         if (cashierResult.isLeft()) return cashierResult;
 
+        // Struck for checker
+        final checkerResult = await _printChecker(
+          order: order,
+          outlet: outlet,
+          cashieName: user.name,
+        );
+        if (checkerResult.isLeft()) return checkerResult;
+
         // Struck for bar if exist product bar
         final itemsKitchen = order.orderItems.where(
           (item) => item.printerType == 'kitchen',
@@ -510,14 +518,6 @@ class PrinterRepository implements IPrinterRepository {
           if (barResult.isLeft()) return barResult;
         }
 
-      // Struck for checker
-      final checkerResult = await _printChecker(
-        order: order,
-        outlet: outlet,
-        cashieName: user.name,
-      );
-      if (checkerResult.isLeft()) return checkerResult;
-
         return right(unit);
       } catch (e, stackTrace) {
         FirebaseCrashlytics.instance.recordError(
@@ -552,6 +552,14 @@ class PrinterRepository implements IPrinterRepository {
         );
         if (cashierResult.isLeft()) return cashierResult;
 
+        // Struck for checker
+        final checkerResult = await _printChecker(
+          order: order,
+          outlet: outlet,
+          cashieName: user.name,
+        );
+        if (checkerResult.isLeft()) return checkerResult;
+
         // Struck for kitchen
         // Struck for bar if exist product bar
         final itemsKitchen = order.orderItems.where(
@@ -581,14 +589,6 @@ class PrinterRepository implements IPrinterRepository {
           if (barResult.isLeft()) return barResult;
         }
 
-      // Struck for checker
-      final checkerResult = await _printChecker(
-        order: order,
-        outlet: outlet,
-        cashieName: user.name,
-      );
-      if (checkerResult.isLeft()) return checkerResult;
-
         return right(unit);
       } catch (e, stackTrace) {
         FirebaseCrashlytics.instance.recordError(
@@ -635,7 +635,11 @@ class PrinterRepository implements IPrinterRepository {
     return await _globalPrintLock.synchronized(() async {
       final outlet = await _outletLocalDatasource.currentOutlet();
       final user = await _authLocalDataProvider.currentUser();
-    return _printSplitBill(order: order, outlet: outlet, cashieName: user.name);
+      return _printSplitBill(
+        order: order,
+        outlet: outlet,
+        cashieName: user.name,
+      );
     });
   }
 

lib/infrastructure/product/dtos/product_dto.dart

@@ -40,6 +40,7 @@ class ProductDto with _$ProductDto {
     @JsonKey(name: "business_type") String? businessType,
     @JsonKey(name: "image_url") String? imageUrl,
     @JsonKey(name: "printer_type") String? printerType,
+    @JsonKey(name: "print_to_checker") bool? printToChecker,
     @JsonKey(name: "metadata") Map<String, dynamic>? metadata,
     @JsonKey(name: "is_active") bool? isActive,
     @JsonKey(name: "created_at") String? createdAt,
@@ -63,6 +64,7 @@ class ProductDto with _$ProductDto {
     businessType: businessType ?? '',
     imageUrl: imageUrl ?? '',
     printerType: printerType ?? '',
+    printToChecker: printToChecker ?? false,
     metadata: metadata ?? {},
     isActive: isActive ?? false,
     createdAt: createdAt ?? '',
@@ -82,6 +84,7 @@ class ProductDto with _$ProductDto {
     'business_type': businessType,
     'image_url': imageUrl,
     'printer_type': printerType,
+    'print_to_checker': printToChecker == true ? 1 : 0,
     'metadata': metadata != null ? jsonEncode(metadata) : null,
     'is_active': isActive == true ? 1 : 0,
     'created_at': createdAt,
@@ -103,6 +106,9 @@ class ProductDto with _$ProductDto {
     businessType: map['business_type'] as String?,
     imageUrl: map['image_url'] as String?,
     printerType: map['printer_type'] as String?,
+    printToChecker: map['print_to_checker'] != null
+        ? (map['print_to_checker'] as int) == 1
+        : null,
     metadata: map['metadata'] != null
         ? jsonDecode(map['metadata'] as String) as Map<String, dynamic>
         : null,
@@ -125,6 +131,7 @@ class ProductDto with _$ProductDto {
     businessType: product.businessType,
     imageUrl: product.imageUrl,
     printerType: product.printerType,
+    printToChecker: product.printToChecker,
     metadata: product.metadata,
     isActive: product.isActive,
     createdAt: product.createdAt,

lib/infrastructure/product/product_dtos.freezed.dart

@@ -321,6 +321,8 @@ mixin _$ProductDto {
   String? get imageUrl => throw _privateConstructorUsedError;
   @JsonKey(name: "printer_type")
   String? get printerType => throw _privateConstructorUsedError;
+  @JsonKey(name: "print_to_checker")
+  bool? get printToChecker => throw _privateConstructorUsedError;
   @JsonKey(name: "metadata")
   Map<String, dynamic>? get metadata => throw _privateConstructorUsedError;
   @JsonKey(name: "is_active")
@@ -361,6 +363,7 @@ abstract class $ProductDtoCopyWith<$Res> {
     @JsonKey(name: "business_type") String? businessType,
     @JsonKey(name: "image_url") String? imageUrl,
     @JsonKey(name: "printer_type") String? printerType,
+    @JsonKey(name: "print_to_checker") bool? printToChecker,
     @JsonKey(name: "metadata") Map<String, dynamic>? metadata,
     @JsonKey(name: "is_active") bool? isActive,
     @JsonKey(name: "created_at") String? createdAt,
@@ -395,6 +398,7 @@ class _$ProductDtoCopyWithImpl<$Res, $Val extends ProductDto>
     Object? businessType = freezed,
     Object? imageUrl = freezed,
     Object? printerType = freezed,
+    Object? printToChecker = freezed,
     Object? metadata = freezed,
     Object? isActive = freezed,
     Object? createdAt = freezed,
@@ -447,6 +451,10 @@ class _$ProductDtoCopyWithImpl<$Res, $Val extends ProductDto>
                 ? _value.printerType
                 : printerType // ignore: cast_nullable_to_non_nullable
                       as String?,
+            printToChecker: freezed == printToChecker
+                ? _value.printToChecker
+                : printToChecker // ignore: cast_nullable_to_non_nullable
+                      as bool?,
             metadata: freezed == metadata
                 ? _value.metadata
                 : metadata // ignore: cast_nullable_to_non_nullable
@@ -494,6 +502,7 @@ abstract class _$$ProductDtoImplCopyWith<$Res>
     @JsonKey(name: "business_type") String? businessType,
     @JsonKey(name: "image_url") String? imageUrl,
     @JsonKey(name: "printer_type") String? printerType,
+    @JsonKey(name: "print_to_checker") bool? printToChecker,
     @JsonKey(name: "metadata") Map<String, dynamic>? metadata,
     @JsonKey(name: "is_active") bool? isActive,
     @JsonKey(name: "created_at") String? createdAt,
@@ -527,6 +536,7 @@ class __$$ProductDtoImplCopyWithImpl<$Res>
     Object? businessType = freezed,
     Object? imageUrl = freezed,
     Object? printerType = freezed,
+    Object? printToChecker = freezed,
     Object? metadata = freezed,
     Object? isActive = freezed,
     Object? createdAt = freezed,
@@ -579,6 +589,10 @@ class __$$ProductDtoImplCopyWithImpl<$Res>
             ? _value.printerType
             : printerType // ignore: cast_nullable_to_non_nullable
                   as String?,
+        printToChecker: freezed == printToChecker
+            ? _value.printToChecker
+            : printToChecker // ignore: cast_nullable_to_non_nullable
+                  as bool?,
         metadata: freezed == metadata
             ? _value._metadata
             : metadata // ignore: cast_nullable_to_non_nullable
@@ -619,6 +633,7 @@ class _$ProductDtoImpl extends _ProductDto {
     @JsonKey(name: "business_type") this.businessType,
     @JsonKey(name: "image_url") this.imageUrl,
     @JsonKey(name: "printer_type") this.printerType,
+    @JsonKey(name: "print_to_checker") this.printToChecker,
     @JsonKey(name: "metadata") final Map<String, dynamic>? metadata,
     @JsonKey(name: "is_active") this.isActive,
     @JsonKey(name: "created_at") this.createdAt,
@@ -664,6 +679,9 @@ class _$ProductDtoImpl extends _ProductDto {
   @override
   @JsonKey(name: "printer_type")
   final String? printerType;
+  @override
+  @JsonKey(name: "print_to_checker")
+  final bool? printToChecker;
   final Map<String, dynamic>? _metadata;
   @override
   @JsonKey(name: "metadata")
@@ -697,7 +715,7 @@ class _$ProductDtoImpl extends _ProductDto {
 
   @override
   String toString() {
-    return 'ProductDto(id: $id, organizationId: $organizationId, categoryId: $categoryId, sku: $sku, name: $name, description: $description, price: $price, cost: $cost, businessType: $businessType, imageUrl: $imageUrl, printerType: $printerType, metadata: $metadata, isActive: $isActive, createdAt: $createdAt, updatedAt: $updatedAt, variants: $variants)';
+    return 'ProductDto(id: $id, organizationId: $organizationId, categoryId: $categoryId, sku: $sku, name: $name, description: $description, price: $price, cost: $cost, businessType: $businessType, imageUrl: $imageUrl, printerType: $printerType, printToChecker: $printToChecker, metadata: $metadata, isActive: $isActive, createdAt: $createdAt, updatedAt: $updatedAt, variants: $variants)';
   }
 
   @override
@@ -722,6 +740,8 @@ class _$ProductDtoImpl extends _ProductDto {
                 other.imageUrl == imageUrl) &&
             (identical(other.printerType, printerType) ||
                 other.printerType == printerType) &&
+            (identical(other.printToChecker, printToChecker) ||
+                other.printToChecker == printToChecker) &&
             const DeepCollectionEquality().equals(other._metadata, _metadata) &&
             (identical(other.isActive, isActive) ||
                 other.isActive == isActive) &&
@@ -747,6 +767,7 @@ class _$ProductDtoImpl extends _ProductDto {
     businessType,
     imageUrl,
     printerType,
+    printToChecker,
     const DeepCollectionEquality().hash(_metadata),
     isActive,
     createdAt,
@@ -781,6 +802,7 @@ abstract class _ProductDto extends ProductDto {
     @JsonKey(name: "business_type") final String? businessType,
     @JsonKey(name: "image_url") final String? imageUrl,
     @JsonKey(name: "printer_type") final String? printerType,
+    @JsonKey(name: "print_to_checker") final bool? printToChecker,
     @JsonKey(name: "metadata") final Map<String, dynamic>? metadata,
     @JsonKey(name: "is_active") final bool? isActive,
     @JsonKey(name: "created_at") final String? createdAt,
@@ -826,6 +848,9 @@ abstract class _ProductDto extends ProductDto {
   @JsonKey(name: "printer_type")
   String? get printerType;
   @override
+  @JsonKey(name: "print_to_checker")
+  bool? get printToChecker;
+  @override
   @JsonKey(name: "metadata")
   Map<String, dynamic>? get metadata;
   @override

lib/infrastructure/product/product_dtos.g.dart

@@ -40,6 +40,7 @@ _$ProductDtoImpl _$$ProductDtoImplFromJson(Map<String, dynamic> json) =>
       businessType: json['business_type'] as String?,
       imageUrl: json['image_url'] as String?,
       printerType: json['printer_type'] as String?,
+      printToChecker: json['print_to_checker'] as bool?,
       metadata: json['metadata'] as Map<String, dynamic>?,
       isActive: json['is_active'] as bool?,
       createdAt: json['created_at'] as String?,
@@ -62,6 +63,7 @@ Map<String, dynamic> _$$ProductDtoImplToJson(_$ProductDtoImpl instance) =>
       'business_type': instance.businessType,
       'image_url': instance.imageUrl,
       'printer_type': instance.printerType,
+      'print_to_checker': instance.printToChecker,
       'metadata': instance.metadata,
       'is_active': instance.isActive,
       'created_at': instance.createdAt,

lib/main.dart

@@ -44,9 +44,8 @@ void main() async {
         debugPrint = (message, {wrapWidth}) => '';
       }
 
-      await configureDependencies(
+      const String env = String.fromEnvironment('ENV', defaultValue: 'dev');
-        kReleaseMode ? Environment.prod : Environment.dev,
+      await configureDependencies(env);
-      );
 
       // Inisialisasi FCM setelah DI siap
       await getIt<FcmService>().initialize();

lib/presentation/components/dialog/order/order_void_confirm_dialog.dart

@@ -28,14 +28,16 @@ class OrderVoidConfirmDialog extends StatelessWidget {
               children: [
                 Expanded(
                   child: AppElevatedButton.outlined(
-                    onPressed: () => context.maybePop(),
+                    onPressed: state.isSubmitting ? null : () => context.maybePop(),
                     label: 'Batal',
                   ),
                 ),
                 const SpaceWidth(16),
                 Expanded(
                   child: AppElevatedButton.filled(
-                    onPressed: () {
+                    onPressed: state.isSubmitting
+                        ? null
+                        : () {
                             context.read<VoidFormBloc>().add(
                               const VoidFormEvent.submitted(),
                             );

lib/presentation/components/print/print_ui.dart

@@ -117,7 +117,7 @@ class PrintUi {
     bytes += builder.separator();
 
     // Items — qty NAMA (uppercase), variant indent
-    for (final item in order.orderItems) {
+    for (final item in order.orderItems.where((e) => e.printToChecker)) {
       final name = item.productName.toUpperCase();
       bytes += builder.itemText('${item.quantity} $name');
       if (item.productVariantName.isNotEmpty) {

pubspec.lock

@@ -852,10 +852,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
+      sha256: "1741988757a65eb6b36abe716829688cf01910bbf91c34354ff7ec1c3de2b349"
       url: "https://pub.dev"
     source: hosted
-    version: "1.17.0"
+    version: "1.18.0"
   mime:
     dependency: transitive
     description:
@@ -1337,10 +1337,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "8161c84903fd860b26bfdefb7963b3f0b68fee7adea0f59ef805ecca346f0c7a"
+      sha256: "949a932224383300f01be9221c39180316445ecb8e7547f70a41a35bf421fb9e"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.10"
+    version: "0.7.11"
   time:
     dependency: transitive
     description:
@@ -1374,7 +1374,7 @@ packages:
     source: hosted
     version: "1.4.0"
   uuid:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: uuid
       sha256: a5be9ef6618a7ac1e964353ef476418026db906c4facdedaa299b7a2e71690ff
@@ -1502,5 +1502,5 @@ packages:
     source: hosted
     version: "3.1.3"
 sdks:
-  dart: ">=3.9.0-0 <4.0.0"
+  dart: ">=3.10.0-0 <4.0.0"
   flutter: ">=3.29.0"

pubspec.yaml

@@ -3,7 +3,7 @@ description: "A new Flutter project."
 
 publish_to: "none"
 
-version: 1.0.7+13
+version: 1.0.11+17
 
 environment:
   sdk: ^3.8.1
@@ -49,6 +49,7 @@ dependencies:
   table_calendar: ^3.1.2
   synchronized: ^3.4.0
   collection: ^1.19.1
+  uuid: ^4.5.1
 
 dev_dependencies:
   flutter_test: