import 'dart:convert'; import 'dart:io'; import 'package:flutter/material.dart'; import 'package:flutter_secure_storage/flutter_secure_storage.dart'; import 'package:opencanteen/okna/login.dart'; import 'package:opencanteen/pw/platformbutton.dart'; import 'package:opencanteen/util.dart'; import 'package:package_info_plus/package_info_plus.dart'; import 'package:path_provider/path_provider.dart'; import 'package:shared_preferences/shared_preferences.dart'; import 'package:url_launcher/url_launcher.dart'; import 'package:flutter_gen/gen_l10n/app_localizations.dart'; class OfflineMealView extends StatefulWidget { const OfflineMealView({Key? key}) : super(key: key); @override State createState() => _OfflineMealViewState(); } class _OfflineMealViewState extends State { List content = [const CircularProgressIndicator()]; // view content var _skipWeekend = false; // skip weekend setting DateTime currentDay = DateTime.now(); // the day we are supposed to show String dayOWeek = ""; // the name of the day (to show to user) List> data = []; // meal data var mealIndex = 0; // index of the currently shown day /// Loads the offline data from local storage void loadFromFile() async { Directory appDocDir = await getApplicationDocumentsDirectory(); for (var f in appDocDir.listSync()) { if (f.path.contains("jidelnicek")) { var soubor = File(f.path); var input = await soubor.readAsString(); var r = jsonDecode(input); List jidla = []; for (var j in r) { jidla.add(OfflineMeal( name: j["nazev"], variant: j["varianta"], ordered: j["objednano"], price: j["cena"], onExchange: j["naBurze"], day: DateTime.parse(j["den"]))); } data.add(jidla); } } loadFood(); } Future loadFood() async { var jidelnicek = data[mealIndex]; currentDay = jidelnicek[0].day; switch (currentDay.weekday) { case 2: dayOWeek = AppLocalizations.of(context)!.tuesday; break; case 3: dayOWeek = AppLocalizations.of(context)!.wednesday; break; case 4: dayOWeek = AppLocalizations.of(context)!.thursday; break; case 5: dayOWeek = AppLocalizations.of(context)!.friday; break; case 6: dayOWeek = AppLocalizations.of(context)!.saturday; break; case 7: dayOWeek = AppLocalizations.of(context)!.sunday; break; default: dayOWeek = AppLocalizations.of(context)!.monday; } content = []; for (OfflineMeal j in jidelnicek) { content.add( Padding( padding: const EdgeInsets.only(top: 15), child: InkWell( child: Row( mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [ Text(j.variant), const SizedBox(width: 10), Flexible( child: Text( j.name, ), ), Text((j.onExchange) ? AppLocalizations.of(context)!.inExchange : "${j.price} Kč"), Checkbox( value: j.ordered, fillColor: MaterialStateProperty.all(Colors.grey), onChanged: (v) async { return; }, ) ], ), ), ), ); } setState(() {}); } void click(String value, BuildContext context) async { if (value == AppLocalizations.of(context)!.signOut) { const storage = FlutterSecureStorage(); storage.deleteAll(); Navigator.pushReplacement( context, platformRouter((c) => const LoginPage())); } else if (value == AppLocalizations.of(context)!.review) { launchUrl( Uri.parse((Platform.isAndroid) ? "market://details?id=cz.hernikplays.opencanteen" : "https://apps.apple.com/cz/app/opencanteen/id1621124445"), mode: LaunchMode.externalApplication); } else if (value == AppLocalizations.of(context)!.reportBugs) { launchUrl(Uri.parse("https://forms.gle/jKN7QeFJwpaApSbC8"), mode: LaunchMode.externalApplication); } else if (value == AppLocalizations.of(context)!.about) { var packageInfo = await PackageInfo.fromPlatform(); if (!mounted) return; showAboutDialog( context: context, applicationName: "OpenCanteen", applicationLegalese: "${AppLocalizations.of(context)!.copyright}\n${AppLocalizations.of(context)!.license}", applicationVersion: packageInfo.version, children: [ PlatformButton( onPressed: (() => launchUrl( Uri.parse("https://git.mnau.xyz/hernik/opencanteen"))), text: AppLocalizations.of(context)!.source, ) ], ); } } @override void didChangeDependencies() { super.didChangeDependencies(); loadSettings(); } void loadSettings() async { var prefs = await SharedPreferences.getInstance(); _skipWeekend = prefs.getBool("skip") ?? false; if (!mounted) return; loadFromFile(); } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text(AppLocalizations.of(context)!.menu), automaticallyImplyLeading: false, actions: [ PopupMenuButton( onSelected: ((String value) => click(value, context)), itemBuilder: (BuildContext context) { return { AppLocalizations.of(context)!.reportBugs, AppLocalizations.of(context)!.review, AppLocalizations.of(context)!.about, AppLocalizations.of(context)!.signOut }.map((String choice) { return PopupMenuItem( value: choice, child: Text(choice), ); }).toList(); }, ), ], ), body: RefreshIndicator( child: Center( child: SizedBox( width: MediaQuery.of(context).size.width - 50, child: Column( children: [ const SizedBox(height: 10), Text( AppLocalizations.of(context)!.offline, style: const TextStyle(fontWeight: FontWeight.bold), ), Text(AppLocalizations.of(context)!.mustLogout), const SizedBox(height: 10), Row(mainAxisAlignment: MainAxisAlignment.center, children: [ IconButton( onPressed: () { if (data.length <= 1) return; content = [const CircularProgressIndicator()]; setState(() { if (currentDay.weekday == 1 && _skipWeekend) { // pokud je pondělí a chceme přeskočit víkend if (mealIndex - 2 >= 0) { mealIndex -= data.length - 3; } else { mealIndex = data.length - 1; } } else if (mealIndex == 0) { mealIndex = data.length - 1; } else { mealIndex -= 1; } loadFood(); }); }, icon: const Icon(Icons.arrow_left)), PlatformButton( onPressed: () async {}, text: "${currentDay.day}. ${currentDay.month}. ${currentDay.year} - $dayOWeek"), IconButton( onPressed: () { if (data.length <= 1) return; content = [const CircularProgressIndicator()]; setState(() { if (currentDay.weekday == 5 && _skipWeekend) { // pokud je pondělí a chceme přeskočit víkend if (mealIndex + 2 <= data.length - 1) { mealIndex += 2; } else { mealIndex = 0; } } else if (mealIndex == data.length) { mealIndex = 0; } else { mealIndex += 1; } loadFood(); }); }, icon: const Icon(Icons.arrow_right), ), IconButton( onPressed: () { mealIndex = 0; }, icon: const Icon(Icons.today)) ]), SingleChildScrollView( physics: const AlwaysScrollableScrollPhysics(), child: Column( children: content, ), ), ], ), ), ), onRefresh: () => Navigator.pushReplacement( context, platformRouter((context) => const LoginPage())), ), ); } }