add cache for stocks

lib/blocs/caches/stocklist/functions/cache_getstocklist.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:pharmacy_mobile/blocs/caches/stocklist/stocklist_cache_bloc.dart';
+import 'package:pharmacy_mobile/blocs/caches/stocklist/stocklist_cache_event.dart';
+
+Future<List> cacheGetStockList(BuildContext context) async {
+  try {
+    final stockListCache = context.read<StockListBloc>();
+    stockListCache.add(StockListCacheGet());
+    return stockListCache.state.value;
+  } catch (e) {
+    return [];
+  }
+}

lib/blocs/caches/stocklist/functions/cache_setstocklist.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/widgets.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:pharmacy_mobile/blocs/caches/stocklist/stocklist_cache_bloc.dart';
+import 'package:pharmacy_mobile/blocs/caches/stocklist/stocklist_cache_event.dart';
+
+Future<bool> cacheSetStockList(BuildContext context, List value) async {
+  try {
+    final stockListCache = context.read<StockListBloc>();
+    stockListCache.add(StockListCacheSet(value));
+    return true;
+  } catch (e) {
+    return false;
+  }
+}

lib/blocs/caches/stocklist/stocklist_cache_bloc.dart

@@ -0,0 +1,14 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:pharmacy_mobile/blocs/caches/stocklist/stocklist_cache_event.dart';
+import 'package:pharmacy_mobile/blocs/caches/stocklist/stocklist_cache_state.dart';
+
+class StockListBloc extends Bloc<StockListCacheEvent, StockListCacheState> {
+  StockListBloc() : super(StockListCacheState([])) {
+    on<StockListCacheSet>((event, emit) {
+      emit(StockListCacheState(event.value));
+    });
+    on<StockListCacheGet>((event, emit) {
+      emit(state);
+    });
+  }
+}

lib/blocs/caches/stocklist/stocklist_cache_event.dart

@@ -0,0 +1,8 @@
+abstract class StockListCacheEvent {}
+
+class StockListCacheSet extends StockListCacheEvent {
+  final List value;
+  StockListCacheSet(this.value);
+}
+
+class StockListCacheGet extends StockListCacheEvent {}

lib/blocs/caches/stocklist/stocklist_cache_state.dart

@@ -0,0 +1,5 @@
+class StockListCacheState {
+  final List value;
+
+  StockListCacheState(this.value);
+}

lib/blocs/caches/typelist/functions/cache_gettypelist.dart

@@ -9,7 +9,6 @@ Future<List> cacheGetTypeList(BuildContext context) async {
     typeListCache.add(TypeListCacheGet());
     return typeListCache.state.value;
   } catch (e) {
-    print(e);
     return [];
   }
 }

lib/functions/getlist_cache_function.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/widgets.dart';
+import 'package:pharmacy_mobile/blocs/caches/stocklist/functions/cache_getstocklist.dart';
+
+Future<List> getListCache(BuildContext context, String type) async {
+  late final List cache;
+
+  switch (type) {
+    case 'stock':
+      cache = await cacheGetStockList(context);
+      break;
+    default:
+      return [];
+  }
+
+  if (cache.isNotEmpty) {
+    return cache;
+  } else {
+    return [];
+  }
+}

lib/main.dart

@@ -5,6 +5,7 @@ import 'package:pharmacy_mobile/blocs/caches/categorylist/categorylist_cache_blo
 import 'package:pharmacy_mobile/blocs/caches/genericlist/genericlist_cache_bloc.dart';
 import 'package:pharmacy_mobile/blocs/caches/manufacturerlist/manufacturerlist_cache_bloc.dart';
 import 'package:pharmacy_mobile/blocs/caches/medicinelist/medicinelist_cache_bloc.dart';
+import 'package:pharmacy_mobile/blocs/caches/stocklist/stocklist_cache_bloc.dart';
 import 'package:pharmacy_mobile/blocs/caches/typelist/typelist_cache_bloc.dart';
 import 'package:pharmacy_mobile/blocs/guest/guest_bloc.dart';
 import 'package:pharmacy_mobile/blocs/user/user_bloc.dart';
@@ -144,6 +145,9 @@ class MyApp extends StatelessWidget {
         BlocProvider(
           create: (context) => MedicineListBloc(),
         ),
+        BlocProvider(
+          create: (context) => StockListBloc(),
+        ),
       ],
       child: MaterialApp.router(
         debugShowCheckedModeBanner: false,

lib/pages/delete_stock_page.dart

@@ -1,6 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:gap/gap.dart';
+import 'package:internet_connection_checker/internet_connection_checker.dart';
+import 'package:pharmacy_mobile/blocs/caches/stocklist/functions/cache_getstocklist.dart';
 import 'package:pharmacy_mobile/functions/checkresult_function.dart';
+import 'package:pharmacy_mobile/functions/getlist_cache_function.dart';
 import 'package:pharmacy_mobile/tables/stocks.dart';
 import 'package:pharmacy_mobile/widgets/button_widget.dart';
 import 'package:pharmacy_mobile/widgets/dropdown_widget.dart';
@@ -48,6 +51,17 @@ class _DeleteStockPageState extends State<DeleteStockPage> {
     }
   }
 
+  // Future<bool> _getStocksCache() async {
+  //   final cache = await cacheGetStockList(context);
+
+  //   if (cache.isNotEmpty) {
+  //     _stockList = cache;
+  //     return true;
+  //   } else {
+  //     return false;
+  //   }
+  // }
+
   void _updateStock(dynamic stock) {
     _selectedStock = stock;
     _getQuantity(_selectedStock);
@@ -98,9 +112,26 @@ class _DeleteStockPageState extends State<DeleteStockPage> {
     }
   }
 
+  void autoRun() async {
+    final cache = await getListCache(context, 'stock');
+
+    if (cache.isEmpty) {
+      if (await InternetConnectionChecker.instance.hasConnection) {
+        _getStocks();
+      } else {
+        // ignore: use_build_context_synchronously
+        showNotification(context, 'Error: No Internet Connection', false);
+      }
+    } else {
+      setState(() {
+        _stockList = cache;
+      });
+    }
+  }
+
   @override
   void initState() {
-    _getStocks();
+    autoRun();
     super.initState();
   }
 

lib/pages/list_stocks_page.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:gap/gap.dart';
 import 'package:intl/intl.dart';
+import 'package:pharmacy_mobile/functions/getlist_cache_function.dart';
 import 'package:pharmacy_mobile/tables/stocks.dart';
 import 'package:pharmacy_mobile/widgets/datatable_widget.dart';
 import 'package:pharmacy_mobile/widgets/page_background_widget.dart';
@@ -63,7 +64,14 @@ class _ListStocksPageState extends State<ListStocksPage> {
     setState(() {
       _isLoading = true;
     });
-    _stockList = await _stocks.getList();
+
+    final cache = await getListCache(context, 'stock');
+
+    if (cache.isNotEmpty) {
+      _stockList = cache;
+    } else {
+      _stockList = await _stocks.getList();
+    }
 
     setState(() {
       _isLoading = false;

lib/pages/main_page.dart

@@ -9,12 +9,14 @@ import 'package:pharmacy_mobile/blocs/caches/categorylist/functions/cache_setcat
 import 'package:pharmacy_mobile/blocs/caches/genericlist/functions/cache_setgenericlist.dart';
 import 'package:pharmacy_mobile/blocs/caches/manufacturerlist/functions/cache_setmanufacturerlist.dart';
 import 'package:pharmacy_mobile/blocs/caches/medicinelist/functions/cache_setmedicinelist.dart';
+import 'package:pharmacy_mobile/blocs/caches/stocklist/functions/cache_setstocklist.dart';
 import 'package:pharmacy_mobile/blocs/caches/typelist/functions/cache_settypelist.dart';
 import 'package:pharmacy_mobile/tables/ref_categories.dart';
 import 'package:pharmacy_mobile/tables/ref_generic_names.dart';
 import 'package:pharmacy_mobile/tables/ref_manufacturers.dart';
 import 'package:pharmacy_mobile/tables/ref_medicines.dart';
 import 'package:pharmacy_mobile/tables/ref_types.dart';
+import 'package:pharmacy_mobile/tables/stocks.dart';
 import 'package:pharmacy_mobile/widgets/buttonwithprogress_widget.dart';
 import 'package:pharmacy_mobile/widgets/menu_widget.dart';
 import 'package:pharmacy_mobile/widgets/page_background_widget.dart';
@@ -37,6 +39,7 @@ class _MainPageState extends State<MainPage> {
   final _refTypes = RefTypes();
   final _refManufacturers = RefManufacturers();
   final _refMedicines = RefMedicines();
+  final _stocks = Stocks();
 
   late bool _isLoading = false;
 
@@ -130,12 +133,23 @@ class _MainPageState extends State<MainPage> {
     }
   }
 
+  Future<void> _getStockListCache() async {
+    final stockList = await _stocks.getList();
+
+    if (stockList.isNotEmpty) {
+      // ignore: use_build_context_synchronously
+      final setCache = await cacheSetStockList(context, stockList);
+      if (!setCache) {}
+    }
+  }
+
   void autoRun() async {
     await _getCategoryListCache();
     await _getGenericListCache();
     await _getTypeListCache();
     await _getManufacturerListCache();
     await _getMedicineListCache();
+    await _getStockListCache();
   }
 
   @override