From ae65a7d68663fb952eb632698f8f7fc772b727a3 Mon Sep 17 00:00:00 2001
From: error500 <nonstopus.sha@gmail.com>
Date: Mon, 15 Nov 2021 18:00:13 +0600
Subject: [PATCH] sell_return

---
 lib/core/entity/transaction_entity.dart       |   1 +
 .../flow/sell_return/sell_return_request.dart |  16 ++
 .../sell_return/sell_return_request.g.dart    |  20 ++
 lib/core/redux/actions/journal_actions.dart   |  25 +-
 lib/core/services/api_service.dart            |  18 ++
 lib/core/services/data_service.dart           | 119 +++++++-
 lib/routes/router.dart                        |   4 +-
 lib/views/work/tabs/journal_view.dart         |   6 +-
 .../work/views/payment/payment_view.dart      |   6 +-
 .../work/views/receipt/receipt_view.dart      |  80 ++++--
 pubspec.lock                                  | 270 +++++++++++++++++-
 pubspec.yaml                                  |   6 +-
 12 files changed, 508 insertions(+), 63 deletions(-)
 create mode 100644 lib/core/models/flow/sell_return/sell_return_request.dart
 create mode 100644 lib/core/models/flow/sell_return/sell_return_request.g.dart

diff --git a/lib/core/entity/transaction_entity.dart b/lib/core/entity/transaction_entity.dart
index 8366e04..62f46fc 100644
--- a/lib/core/entity/transaction_entity.dart
+++ b/lib/core/entity/transaction_entity.dart
@@ -10,6 +10,7 @@ const String transactionColumnUpdatedAt = 'updatedAt';
 
 const int transactionTypeSell = 1;
 const int transactionTypeBuy = 2;
+const int transactionTypeReturnSell = 3;
 
 const int transactionStatusPrepare = 0;
 const int transactionStatusFinish = 7;
diff --git a/lib/core/models/flow/sell_return/sell_return_request.dart b/lib/core/models/flow/sell_return/sell_return_request.dart
new file mode 100644
index 0000000..c99a3e3
--- /dev/null
+++ b/lib/core/models/flow/sell_return/sell_return_request.dart
@@ -0,0 +1,16 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'sell_return_request.g.dart';
+
+@JsonSerializable()
+class SellReturnRequest {
+  int journal_id;
+  String invoice_id;
+
+  SellReturnRequest({required this.journal_id, required this.invoice_id});
+
+  factory SellReturnRequest.fromJson(Map<String, dynamic> json) => _$SellReturnRequestFromJson(json);
+
+  Map<String, dynamic> toJson() => _$SellReturnRequestToJson(this);
+}
+
diff --git a/lib/core/models/flow/sell_return/sell_return_request.g.dart b/lib/core/models/flow/sell_return/sell_return_request.g.dart
new file mode 100644
index 0000000..84939ce
--- /dev/null
+++ b/lib/core/models/flow/sell_return/sell_return_request.g.dart
@@ -0,0 +1,20 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'sell_return_request.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+SellReturnRequest _$SellReturnRequestFromJson(Map<String, dynamic> json) {
+  return SellReturnRequest(
+    journal_id: json['journal_id'] as int,
+    invoice_id: json['invoice_id'] as String,
+  );
+}
+
+Map<String, dynamic> _$SellReturnRequestToJson(SellReturnRequest instance) =>
+    <String, dynamic>{
+      'journal_id': instance.journal_id,
+      'invoice_id': instance.invoice_id,
+    };
diff --git a/lib/core/redux/actions/journal_actions.dart b/lib/core/redux/actions/journal_actions.dart
index 6ddbee8..ecf31a6 100644
--- a/lib/core/redux/actions/journal_actions.dart
+++ b/lib/core/redux/actions/journal_actions.dart
@@ -48,9 +48,14 @@ Future<void> loadJournalData(Store<AppState> store) async {
     final List<Map<String, dynamic>> set = await _dbService.queryRowsWithWhere(
         transactionTableName,
         '$transactionColumnAppCompanyId = ?'
-            ' and $transactionColumnStatus = ?'
-            ' and $transactionColumnType = ?',
-        [appCompanyId, transactionStatusFinish, transactionTypeSell],
+        ' and $transactionColumnStatus = ?'
+        ' and $transactionColumnType in (?,?)',
+        [
+          appCompanyId,
+          transactionStatusFinish,
+          transactionTypeSell,
+          transactionTypeReturnSell
+        ],
         orderBy: '$transactionColumnCreatedAt asc');
     log.i(set.length);
     final List<TransactionDao> list = [];
@@ -60,8 +65,8 @@ Future<void> loadJournalData(Store<AppState> store) async {
 
     for (final Map<String, dynamic> map in set) {
       final Transaction transaction = Transaction.fromMap(map);
-      final TransactionData data = TransactionData.fromMap(
-          jsonDecode(transaction.data!));
+      final TransactionData data =
+          TransactionData.fromMap(jsonDecode(transaction.data!));
       final TransactionDao dao = TransactionDao();
       dao.id = transaction.id;
       final DateTime updateAt = DateTime.parse(transaction.updatedAt!);
@@ -70,14 +75,16 @@ Future<void> loadJournalData(Store<AppState> store) async {
       dao.contragentName = data.contragentName;
       dao.number = data.sellResponse?.journalId.toString() ?? '';
       dao.total = data.total;
+      if(transaction.type == transactionTypeReturnSell) {
+        dao.received = false;
+      }
 
       list.add(dao);
     }
     store.dispatch(SetJournalStateAction(JournalState(
       items: list,
     )));
-    } catch (e, stack)
-    {
-      log.e('loadJournalData', e, stack);
-    }
+  } catch (e, stack) {
+    log.e('loadJournalData', e, stack);
   }
+}
diff --git a/lib/core/services/api_service.dart b/lib/core/services/api_service.dart
index 8b10e27..10ed195 100644
--- a/lib/core/services/api_service.dart
+++ b/lib/core/services/api_service.dart
@@ -6,6 +6,7 @@ import 'package:http/http.dart' as http;
 import 'package:satu/core/models/auth/auth_response.dart';
 import 'package:satu/core/models/flow/sell_request.dart';
 import 'package:satu/core/models/flow/sell_response.dart';
+import 'package:satu/core/models/flow/sell_return/sell_return_request.dart';
 import 'package:satu/core/models/response.dart';
 
 /// The service responsible for networking requests
@@ -152,4 +153,21 @@ class ApiService extends BaseService {
     }
     return response;
   }
+
+  Future<SellResponse> sellReturn(SellReturnRequest request) async {
+    SellResponse response;
+    try {
+      final Map<String, String> headers = <String, String>{
+        HttpHeaders.authorizationHeader: 'Bearer $token'
+      };
+      final String responseBody = await _post('/sell_return', header: headers, requestBody: request.toJson());
+      response = SellResponse.fromMap(json.decode(responseBody));
+    } catch (e, stack) {
+      log.e('sellReturn', e, stack);
+      response = SellResponse()
+        ..operation = false
+        ..message = e.toString();
+    }
+    return response;
+  }
 }
diff --git a/lib/core/services/data_service.dart b/lib/core/services/data_service.dart
index de5e8d8..373c46a 100644
--- a/lib/core/services/data_service.dart
+++ b/lib/core/services/data_service.dart
@@ -9,11 +9,13 @@ import 'package:satu/core/models/flow/operator_bean.dart';
 import 'package:satu/core/models/flow/dao/product_dao.dart';
 import 'package:satu/core/models/flow/sell_request.dart';
 import 'package:satu/core/models/flow/sell_response.dart';
+import 'package:satu/core/models/flow/sell_return/sell_return_request.dart';
 import 'package:satu/core/models/flow/transaction_state.dart';
 import 'package:satu/core/redux/actions/sell_actions.dart';
 import 'package:satu/core/redux/state/sell_state.dart';
 import 'package:satu/core/redux/store.dart';
 import 'package:satu/core/utils/locator.dart';
+import 'package:uuid/uuid.dart';
 
 import 'api_service.dart';
 import 'db_service.dart';
@@ -25,7 +27,7 @@ class DataService extends BaseService {
 
   final DialogService _dialogService = locator<DialogService>();
 
-  Future<TransactionData?> sellBtnHandler(
+  Future<int?> sellBtnHandler(
       {double card = 0, double nal = 0, double total = 0}) async {
     final SellRequest request = SellRequest();
     final SellState sellState = Redux.store!.state.sellState!;
@@ -48,7 +50,7 @@ class DataService extends BaseService {
       _dialogService.showDialog(description: response.message);
       return null;
     }
-    final TransactionData transactionData = await _updateTransaction(
+    final int? transactionId = await _updateTransaction(
         transactionState: transactionState,
         total: total,
         card: card,
@@ -56,15 +58,58 @@ class DataService extends BaseService {
         sellResponse: response);
 
     await Redux.store!.dispatch(loadSellData);
-    return transactionData;
+    return transactionId;
   }
 
-  Future<TransactionData> _updateTransaction(
-      {required TransactionState transactionState,
-      required double card,
-      required double nal,
-      required double total,
-      SellResponse? sellResponse}) async {
+  Future<int?> returnBtnHandler({required int trId}) async {
+    Map<String, dynamic>? map = await _db.queryById(transactionTableName, trId);
+    if (map != null) {
+      final Transaction transaction = Transaction.fromMap(map);
+      final String? data = transaction.data;
+      if (data != null) {
+        TransactionData transactionData =
+            TransactionData.fromMap(jsonDecode(data));
+
+        const uuidTool = Uuid();
+        final String uuid = uuidTool.v4();
+
+        final SellReturnRequest request = SellReturnRequest(
+          journal_id: transactionData.sellResponse!.journalId!,
+          invoice_id: uuid,
+        );
+        final SellResponse response = await _api.sellReturn(request);
+        if (response.operation == false) {
+          _dialogService.showDialog(description: response.message);
+          return null;
+        }
+        final int? appCompanyId = Redux.store!.state.userState!.auth!.companyId;
+        final int? transactionId = await _addTransaction(
+          uuid: uuid,
+          contragentName: transactionData.contragentName,
+          type: transactionTypeReturnSell,
+          status: transactionStatusFinish,
+          appCompanyId: appCompanyId!,
+          total: transactionData.total,
+          card: transactionData.card,
+          nal: transactionData.nal,
+          sellResponse: response,
+        );
+
+        await Redux.store!.dispatch(loadSellData);
+        return transactionId;
+      }
+    }
+
+    return null;
+  }
+
+  Future<int?> _updateTransaction({
+    required TransactionState transactionState,
+    required double card,
+    required double nal,
+    required double total,
+    SellResponse? sellResponse,
+  }) async {
     final Map<String, dynamic>? map = await _db.queryById(
         transactionTableName, transactionState.uuid,
         idColumnName: transactionColumnUuid);
@@ -83,7 +128,39 @@ class DataService extends BaseService {
     transaction.data = jsonEncode(data.toMap());
     log.i(jsonEncode(data.toMap()));
     await _db.update(transactionTableName, transaction.toMap());
-    return data;
+    return transaction.id;
+  }
+
+  Future<int?> _addTransaction({
+    required String uuid,
+    required double card,
+    required double nal,
+    required double total,
+    required int type,
+    required int status,
+    required int appCompanyId,
+    SellResponse? sellResponse,
+    String? contragentName,
+  }) async {
+    final DateTime now = DateTime.now();
+    final Transaction transaction = Transaction();
+    final TransactionData data = TransactionData();
+    transaction.status = transactionStatusFinish;
+    transaction.updatedAt = now.toIso8601String();
+    transaction.createdAt = now.toIso8601String();
+    transaction.appCompanyId = appCompanyId;
+    transaction.type = type;
+    transaction.status = status;
+    transaction.uuid = uuid;
+    data.sellResponse = sellResponse;
+    data.contragentName = contragentName ?? '';
+    data.card = card;
+    data.nal = nal;
+    data.total = total;
+    transaction.data = jsonEncode(data.toMap());
+    log.i(jsonEncode(data.toMap()));
+    return await _db.insert(transactionTableName, transaction.toMap());
+    ;
   }
 
   ItemBean _productToItemBean(ProductDao product) {
@@ -98,11 +175,10 @@ class DataService extends BaseService {
   }
 
   Future<TransactionData?> getTransactionDataById(int? id) async {
-    if(id == null) return null;
+    if (id == null) return null;
     try {
-      Map<String, dynamic>? map = await _db.queryById(transactionTableName, id);
-      if (map != null) {
-        final Transaction transaction = Transaction.fromMap(map);
+      Transaction? transaction = await getTransactionById(id);
+      if (transaction != null) {
         final String? data = transaction.data;
         if (data != null) {
           return TransactionData.fromMap(jsonDecode(data));
@@ -113,4 +189,19 @@ class DataService extends BaseService {
     }
     return null;
   }
+
+  Future<Transaction?> getTransactionById(int? id) async {
+    if (id == null) return null;
+    try {
+      Map<String, dynamic>? map = await _db.queryById(transactionTableName, id);
+      if (map != null) {
+        final Transaction transaction = Transaction.fromMap(map);
+        return transaction;
+      }
+    } catch (e, stack) {
+      log.e('getTransactionById', e, stack);
+    }
+    return null;
+  }
+
 }
diff --git a/lib/routes/router.dart b/lib/routes/router.dart
index 4bd4647..4d25d66 100644
--- a/lib/routes/router.dart
+++ b/lib/routes/router.dart
@@ -101,12 +101,12 @@ Route<dynamic> generateRoute(RouteSettings settings) {
       );
 
     case receiptViewRoute:
-      final TransactionData data = settings.arguments! as TransactionData;
+      final int data = settings.arguments! as int;
       //return SlideRightRoute(widget: ImageShowContainer(data));
       return _getPageRoute(
         routeName: settings.name,
         viewToShow: ReceiptView(
-          transactionData: data,
+          transactionId: data,
         ),
       );
     default:
diff --git a/lib/views/work/tabs/journal_view.dart b/lib/views/work/tabs/journal_view.dart
index bf319c2..a6419ff 100644
--- a/lib/views/work/tabs/journal_view.dart
+++ b/lib/views/work/tabs/journal_view.dart
@@ -135,10 +135,8 @@ class _JournalViewState extends State<JournalView> {
 
   Future<void> pushToReceiptView(TransactionDao element) async {
     final int? id = element.id;
-    TransactionData? transactionData =
-        await _dataService.getTransactionDataById(id);
-    if(transactionData != null) {
-      _navigatorService.push(receiptViewRoute, arguments: transactionData);
+    if(id != null) {
+      _navigatorService.push(receiptViewRoute, arguments: id);
     }
   }
 }
diff --git a/lib/views/work/views/payment/payment_view.dart b/lib/views/work/views/payment/payment_view.dart
index 7ba5489..7bb4336 100644
--- a/lib/views/work/views/payment/payment_view.dart
+++ b/lib/views/work/views/payment/payment_view.dart
@@ -166,11 +166,11 @@ class _PaymentViewState extends State<PaymentView> {
       nal = _cashSum;
     }
 
-    final TransactionData? transactionData =
+    final int? transactionId =
         await _dataService.sellBtnHandler(card: card, nal: nal, total: _sum);
-    if (transactionData !=null) {
+    if (transactionId !=null) {
       _navigatorService.pop();
-      _navigatorService.push(receiptViewRoute, arguments: transactionData);
+      _navigatorService.push(receiptViewRoute, arguments: transactionId);
     }
     setState(() {
       loading = false;
diff --git a/lib/views/work/views/receipt/receipt_view.dart b/lib/views/work/views/receipt/receipt_view.dart
index 3106152..22feca0 100644
--- a/lib/views/work/views/receipt/receipt_view.dart
+++ b/lib/views/work/views/receipt/receipt_view.dart
@@ -5,24 +5,29 @@ import 'package:esc_pos_bluetooth/esc_pos_bluetooth.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_redux/flutter_redux.dart';
 import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
+import 'package:satu/core/entity/transaction_entity.dart';
+import 'package:satu/core/models/dialog_models.dart';
 import 'package:satu/core/models/entity_data/transaction_data.dart';
 import 'package:satu/core/models/flow/sell_response.dart';
 import 'package:satu/core/models/settings/printer_setting.dart';
 import 'package:satu/core/models/ui_dao/popup_item_dao.dart';
 import 'package:satu/core/redux/store.dart';
+import 'package:satu/core/services/data_service.dart';
 import 'package:satu/core/services/dialog_service.dart';
+import 'package:satu/core/services/navigator_service.dart';
 import 'package:satu/core/utils/locator.dart';
 import 'package:satu/core/utils/pos_printer.dart';
+import 'package:satu/routes/route_names.dart';
 import 'package:satu/shared/app_colors.dart';
 import 'package:satu/widgets/bar/products_app_bar.dart';
 
 class ReceiptView extends StatefulWidget {
   const ReceiptView({
-    required this.transactionData,
+    required this.transactionId,
     Key? key,
   }) : super(key: key);
 
-  final TransactionData transactionData;
+  final int transactionId;
 
   @override
   State<ReceiptView> createState() => _ReceiptViewState();
@@ -30,18 +35,38 @@ class ReceiptView extends StatefulWidget {
 
 class _ReceiptViewState extends State<ReceiptView> {
   final DialogService _dialogService = locator<DialogService>();
+  final DataService _dataService = locator<DataService>();
+  final NavigatorService _navigatorService = locator<NavigatorService>();
   PrinterBluetoothManager printerManager = PrinterBluetoothManager();
   bool printerLocked = false;
 
   List<PopupItemDao> menus = [];
+  TransactionData transactionData = TransactionData();
 
   @override
   void initState() {
-    //menus.add(PopupItemDao(code: 'return', name: 'Возврат'));
-    //menus.add(PopupItemDao(code: 'share', name: 'Поделится'));
+    loadData();
+
     super.initState();
   }
 
+  void loadData() async {
+    final Transaction? transaction =
+        await _dataService.getTransactionById(widget.transactionId);
+    final TransactionData? _transactionData =
+        await _dataService.getTransactionDataById(widget.transactionId);
+
+    if (transaction != null && transactionTypeSell == transaction.type) {
+      menus.add(PopupItemDao(code: 'return', name: 'Возврат'));
+    }
+    //menus.add(PopupItemDao(code: 'share', name: 'Поделится'));
+
+    setState(() {
+      transactionData = _transactionData!;
+      menus = menus;
+    });
+  }
+
   void printRec() async {
     setState(() {
       printerLocked = true;
@@ -60,13 +85,11 @@ class _ReceiptViewState extends State<ReceiptView> {
       if (PrinterConst.encodingBigEncoding == printerSetting.encoding) {
         data = await getReceiptImg(
           printerSetting.paperSize!,
-          base64Decode(widget.transactionData.sellResponse!.checkPng!),
+          base64Decode(transactionData.sellResponse!.checkPng!),
         );
       } else {
-        data = await getReceipt(
-            printerSetting.encoding!,
-            printerSetting.paperSize!,
-            widget.transactionData.sellResponse!.check!);
+        data = await getReceipt(printerSetting.encoding!,
+            printerSetting.paperSize!, transactionData.sellResponse!.check!);
       }
 
       final PosPrintResult printResult = await printerManager.writeBytes(
@@ -85,8 +108,26 @@ class _ReceiptViewState extends State<ReceiptView> {
     }
   }
 
-  void onSelectChoice(PopupItemDao itemDao ) {
-    print(itemDao.code);
+  void onSelectChoice(PopupItemDao itemDao) {
+    if ('return' == itemDao.code) {
+      returnTransaction();
+    }
+  }
+
+  void returnTransaction() async {
+    DialogResponse dialogResponse = await _dialogService.showConfirmationDialog(
+      description: 'Вы действительно хотете сделать возврат платежа?',
+      confirmationTitle: 'Возврат',
+      cancelTitle: 'Отмена',
+    );
+    if (dialogResponse.confirmed) {
+      final int? trId =
+          await _dataService.returnBtnHandler(trId: widget.transactionId);
+      if (trId != null) {
+        _navigatorService.pop();
+        _navigatorService.push(receiptViewRoute, arguments: trId);
+      }
+    }
   }
 
   @override
@@ -96,20 +137,6 @@ class _ReceiptViewState extends State<ReceiptView> {
       appBar: ProductsAppBar(
         title: 'Просмотр чека',
         actions: [
-          // StoreConnector<AppState, PrinterSetting>(
-          //   converter: (store) => store.state.settingState!.printer!,
-          //   builder: (context, snapshot) {
-          //     final bool success =
-          //         snapshot.device != null && printerLocked == false;
-          //     return IconButton(
-          //       onPressed: success ? print : null,
-          //       icon: Icon(
-          //         Icons.print,
-          //         color: success ? textColor : placeholderColor,
-          //       ),
-          //     );
-          //   },
-          // )
           PopupMenuButton<PopupItemDao>(
             onSelected: onSelectChoice,
             itemBuilder: (BuildContext context) {
@@ -129,8 +156,7 @@ class _ReceiptViewState extends State<ReceiptView> {
             child: SingleChildScrollView(
               physics: const BouncingScrollPhysics(),
               child: Center(
-                child:
-                    imageFromBase64String(widget.transactionData.sellResponse),
+                child: imageFromBase64String(transactionData.sellResponse),
               ),
             ),
           )
diff --git a/pubspec.lock b/pubspec.lock
index 0c13f95..8783bfa 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,6 +1,13 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "22.0.0"
   ai_barcode:
     dependency: "direct main"
     description:
@@ -22,6 +29,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.2"
   archive:
     dependency: transitive
     description:
@@ -29,6 +43,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "3.1.6"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.0"
   async:
     dependency: transitive
     description:
@@ -50,6 +71,62 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  build:
+    dependency: transitive
+    description:
+      name: build
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  build_daemon:
+    dependency: transitive
+    description:
+      name: build_daemon
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  build_resolvers:
+    dependency: transitive
+    description:
+      name: build_resolvers
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.4"
+  build_runner:
+    dependency: "direct dev"
+    description:
+      name: build_runner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.5"
+  build_runner_core:
+    dependency: transitive
+    description:
+      name: build_runner_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "7.2.2"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "8.1.3"
   characters:
     dependency: transitive
     description:
@@ -71,6 +148,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.0"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.5"
   clock:
     dependency: transitive
     description:
@@ -78,6 +169,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
+  code_builder:
+    dependency: transitive
+    description:
+      name: code_builder
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.1.0"
   collection:
     dependency: transitive
     description:
@@ -85,6 +183,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.15.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   crypto:
     dependency: transitive
     description:
@@ -106,6 +211,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.4"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
   device_info:
     dependency: "direct main"
     description:
@@ -162,6 +274,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "6.1.2"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -205,6 +324,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
   gbk_codec:
     dependency: transitive
     description:
@@ -219,6 +345,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "7.2.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   grouped_list:
     dependency: "direct main"
     description:
@@ -247,6 +387,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.13.4"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   http_parser:
     dependency: transitive
     description:
@@ -275,6 +422,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.17.0"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   js:
     dependency: transitive
     description:
@@ -288,7 +442,14 @@ packages:
       name: json_annotation
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.3.0"
+    version: "4.1.0"
+  json_serializable:
+    dependency: "direct dev"
+    description:
+      name: json_serializable
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.1.4"
   lint:
     dependency: "direct dev"
     description:
@@ -310,6 +471,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   mask_text_input_formatter:
     dependency: "direct main"
     description:
@@ -345,6 +513,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.7.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   nested:
     dependency: transitive
     description:
@@ -352,6 +527,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.0"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
   path:
     dependency: transitive
     description:
@@ -422,13 +604,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.4"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.11.1"
   permission_handler:
     dependency: "direct main"
     description:
       name: permission_handler
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "8.2.6"
+    version: "8.3.0"
   permission_handler_platform_interface:
     dependency: transitive
     description:
@@ -457,6 +646,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.2"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.0"
   process:
     dependency: transitive
     description:
@@ -471,6 +667,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "6.0.1"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
   qr:
     dependency: transitive
     description:
@@ -569,11 +779,32 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.3"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
     version: "0.0.99"
+  source_gen:
+    dependency: transitive
+    description:
+      name: source_gen
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   source_span:
     dependency: transitive
     description:
@@ -609,6 +840,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   string_scanner:
     dependency: transitive
     description:
@@ -637,6 +875,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.4.2"
+  timing:
+    dependency: transitive
+    description:
+      name: timing
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   typed_data:
     dependency: transitive
     description:
@@ -721,6 +966,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
   win32:
     dependency: transitive
     description:
@@ -742,6 +1001,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "5.3.1"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
 sdks:
   dart: ">=2.14.0 <3.0.0"
   flutter: ">=2.5.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 72e5b50..569dde5 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -18,7 +18,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.14.0 <3.0.0"
 
 dependencies:
   flutter:
@@ -51,7 +51,7 @@ dependencies:
   uuid: ^3.0.5
   charset_converter: ^2.0.0
   ai_barcode: ^3.0.1
-  permission_handler: ^8.2.6
+  permission_handler: ^8.3.0
   flutter_svg: ^0.23.0+1
   grouped_list: ^4.1.0
   flutter_bluetooth_basic: ^0.1.7
@@ -59,9 +59,11 @@ dependencies:
   esc_pos_utils: ^1.1.0
   esc_pos_bluetooth: ^0.4.1
 dev_dependencies:
+  build_runner: ^2.1.5
   flutter_test:
     sdk: flutter
   lint: ^1.7.2
+  json_serializable: ^4.1.2
 
 
 # For information on the generic Dart part of this file, see the