476 lines
17 KiB
Dart
476 lines
17 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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import 'package:flutter_localizations/flutter_localizations.dart';
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import 'package:flutter_native_timezone/flutter_native_timezone.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:opencanteen/lang/lang_cz.dart';
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import 'package:opencanteen/loginmanager.dart';
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import 'package:canteenlib/canteenlib.dart';
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import 'package:opencanteen/okna/offline_jidelnicek.dart';
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import 'package:opencanteen/okna/welcome.dart';
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import 'package:opencanteen/util.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:intl/intl.dart';
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import 'package:timezone/data/latest_all.dart' as tz;
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import 'package:timezone/timezone.dart' as tz;
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import 'lang/lang.dart';
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import 'lang/lang_en.dart';
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import 'okna/jidelnicek.dart';
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/*
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Copyright (C) 2022 Matyáš Caras a přispěvatelé
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
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FlutterLocalNotificationsPlugin();
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void oznamitPredem(SharedPreferences prefs, tz.Location l) async {
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String title;
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String locale = Intl.getCurrentLocale();
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switch (locale) {
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case "cs_CZ":
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title = LanguageCz().lunchNotif;
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break;
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default:
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title = LanguageEn().lunchNotif;
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}
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/*if (prefs.getBool("offline") ?? false) {
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// TODO možnost brát z offline dat
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} else {*/
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// bere online
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var d = await LoginManager.getDetails(); // získat údaje
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if (d != null) {
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var c = Canteen(d["url"]!);
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if (await c.login(d["user"]!, d["pass"]!)) {
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var jidla = await c.jidelnicekDen();
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try {
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var jidlo = jidla.jidla.singleWhere(
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(element) => element.objednano); // získá objednané jídlo
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var kdy = DateTime.parse(prefs.getString(
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"oznameni_cas")!); // uložíme čas, kdy se má odeslat oznámení
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// data o oznámení
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const AndroidNotificationDetails androidSpec =
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AndroidNotificationDetails('predobedem', 'Oznámení před obědem',
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channelDescription: 'Oznámení o dnešním jídle',
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importance: Importance.max,
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priority: Priority.high,
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ticker: 'today meal');
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const IOSNotificationDetails iOSpec =
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IOSNotificationDetails(presentAlert: true, presentBadge: true);
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// naplánovat
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await flutterLocalNotificationsPlugin.zonedSchedule(
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0,
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title,
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"${jidlo.varianta} - ${jidlo.nazev}",
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tz.TZDateTime.from(
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casNaDate(
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TimeOfDay(hour: kdy.hour, minute: kdy.minute),
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),
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l),
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const NotificationDetails(android: androidSpec, iOS: iOSpec),
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androidAllowWhileIdle: true,
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uiLocalNotificationDateInterpretation:
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UILocalNotificationDateInterpretation.absoluteTime);
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} on StateError catch (_) {
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// nenalezeno
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}
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}
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// }
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}
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}
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void main() async {
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WidgetsFlutterBinding.ensureInitialized();
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tz.initializeTimeZones();
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var l = tz.getLocation(await FlutterNativeTimezone.getLocalTimezone());
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tz.setLocalLocation(l);
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var prefs = await SharedPreferences.getInstance();
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if (prefs.getBool("oznamit") ?? false) {
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oznamitPredem(prefs, l);
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}
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// nastavit oznámení
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const AndroidInitializationSettings initializationSettingsAndroid =
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AndroidInitializationSettings('notif_icon');
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final IOSInitializationSettings initializationSettingsIOS =
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IOSInitializationSettings(onDidReceiveLocalNotification: (
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int id,
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String? title,
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String? body,
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String? payload,
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) async {
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debugPrint(body);
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});
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final InitializationSettings initializationSettings = InitializationSettings(
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android: initializationSettingsAndroid,
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iOS: initializationSettingsIOS,
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);
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await flutterLocalNotificationsPlugin.initialize(initializationSettings,
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onSelectNotification: (String? payload) async {
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if (payload != null) {
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debugPrint('notification payload: $payload');
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}
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});
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// spustit aplikaci
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runApp(const MyApp());
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}
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class MyApp extends StatelessWidget {
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const MyApp({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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debugShowCheckedModeBanner: false,
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localizationsDelegates: const [
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AppLocalizationsDelegate(),
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...GlobalMaterialLocalizations.delegates
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],
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supportedLocales: const [Locale("cs", ""), Locale("en", "")],
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title: "OpenCanteen",
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theme: ThemeData(
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primarySwatch: Colors.purple,
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),
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darkTheme: ThemeData(
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brightness: Brightness.dark,
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primarySwatch: Colors.purple,
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),
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home: const LoginPage(),
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);
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}
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}
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class LoginPage extends StatefulWidget {
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const LoginPage({Key? key}) : super(key: key);
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@override
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State<LoginPage> createState() => _LoginPageState();
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}
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class _LoginPageState extends State<LoginPage> {
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TextEditingController userControl = TextEditingController();
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TextEditingController passControl = TextEditingController();
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TextEditingController canteenControl = TextEditingController();
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bool rememberMe = false;
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bool _showUrl = false;
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String dropdownUrl = instance.first["url"] ?? "";
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@override
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void initState() {
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super.initState();
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LoginManager.getDetails().then((r) async {
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if (Platform.isIOS) {
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// žádat o oprávnění na iOS
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await flutterLocalNotificationsPlugin
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.resolvePlatformSpecificImplementation<
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IOSFlutterLocalNotificationsPlugin>()
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?.requestPermissions(
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alert: true,
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badge: true,
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sound: true,
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);
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}
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if (r != null) {
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// Automaticky přihlásit
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showDialog(
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context: context,
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barrierDismissible: false,
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builder: (_) => Dialog(
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child: SizedBox(
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height: 100,
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child: Row(children: [
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const Padding(
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padding: EdgeInsets.all(10),
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child: CircularProgressIndicator(),
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),
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Text(Languages.of(context)!.loggingIn)
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]),
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),
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));
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var canteen = Canteen(r["url"]!);
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try {
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var l = await canteen.login(r["user"]!, r["pass"]!);
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if (!l) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).hideCurrentSnackBar();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(Languages.of(context)!.loginFailed),
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),
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);
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return;
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}
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const storage = FlutterSecureStorage();
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var odsouhlasil = await storage.read(key: "oc_souhlas");
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if (!mounted) return;
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if (odsouhlasil == null || odsouhlasil != "ano") {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (c) => WelcomeScreen(
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canteen: canteen, n: flutterLocalNotificationsPlugin)));
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} else {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (context) => JidelnicekPage(
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canteen: canteen, n: flutterLocalNotificationsPlugin)),
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);
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}
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} on PlatformException {
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if (!mounted) return;
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ScaffoldMessenger.of(context).hideCurrentSnackBar();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(Languages.of(context)!.corrupted),
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),
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);
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} catch (_) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).hideCurrentSnackBar();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(Languages.of(context)!.errorContacting),
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),
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);
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goOffline();
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}
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}
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});
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text(Languages.of(context)!.logIn),
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automaticallyImplyLeading: false,
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),
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body: Center(
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child: SingleChildScrollView(
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child: SizedBox(
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width: MediaQuery.of(context).size.width - 50,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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Text(
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Languages.of(context)!.appName,
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textAlign: TextAlign.center,
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style: const TextStyle(
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fontWeight: FontWeight.bold, fontSize: 40),
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),
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Text(
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Languages.of(context)!.logIn,
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textAlign: TextAlign.center,
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),
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TextField(
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controller: userControl,
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autofillHints: const [AutofillHints.username],
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decoration: InputDecoration(
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labelText: Languages.of(context)!.username),
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),
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TextField(
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autofillHints: const [AutofillHints.password],
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decoration: InputDecoration(
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labelText: Languages.of(context)!.password),
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controller: passControl,
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obscureText: true,
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),
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const SizedBox(
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height: 10,
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),
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DropdownButton(
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isExpanded: true,
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value: dropdownUrl,
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items: instance.map<DropdownMenuItem<String>>((e) {
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return DropdownMenuItem<String>(
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value: e["url"],
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child: Text(e["name"]!),
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);
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}).toList(),
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onChanged: (String? value) {
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setState(() {
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if (value == "") {
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_showUrl = true;
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} else {
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_showUrl = false;
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}
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dropdownUrl = value!;
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});
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},
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),
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AnimatedOpacity(
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opacity: _showUrl ? 1.0 : 0.0,
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duration: const Duration(milliseconds: 300),
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child: TextField(
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autofillHints: const [AutofillHints.url],
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decoration: InputDecoration(
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labelText: Languages.of(context)!.iCanteenUrl),
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keyboardType: TextInputType.url,
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controller: canteenControl,
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),
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),
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Row(mainAxisAlignment: MainAxisAlignment.center, children: [
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Switch(
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value: rememberMe,
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onChanged: (value) {
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setState(() {
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rememberMe = value;
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});
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}),
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Text(Languages.of(context)!.rememberMe)
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]),
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TextButton(
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onPressed: () async {
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var canteenUrl = (dropdownUrl == "")
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? canteenControl.text
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: dropdownUrl;
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if (!canteenUrl.startsWith("https://") &&
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!canteenUrl.startsWith("http://")) {
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canteenUrl = "https://$canteenUrl";
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}
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var canteen = Canteen(canteenUrl);
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try {
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var l = await canteen.login(
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userControl.text, passControl.text);
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if (!l) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).hideCurrentSnackBar();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content:
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Text(Languages.of(context)!.loginFailed),
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),
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);
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return;
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}
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if (rememberMe) {
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LoginManager.setDetails(
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userControl.text, passControl.text, canteenUrl);
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}
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// souhlas
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const storage = FlutterSecureStorage();
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var odsouhlasil =
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await storage.read(key: "oc_souhlas");
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if (!mounted) return;
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if (odsouhlasil == null || odsouhlasil != "ano") {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (c) => WelcomeScreen(
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canteen: canteen,
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n: flutterLocalNotificationsPlugin)));
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} else {
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: (context) => JidelnicekPage(
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canteen: canteen,
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n: flutterLocalNotificationsPlugin)),
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);
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}
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} on PlatformException {
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if (!mounted) return;
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ScaffoldMessenger.of(context).hideCurrentSnackBar();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(Languages.of(context)!.corrupted),
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),
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);
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} on Exception catch (_) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).hideCurrentSnackBar();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content:
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Text(Languages.of(context)!.errorContacting),
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),
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);
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goOffline();
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}
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},
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child: Text(Languages.of(context)!.logIn)),
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],
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),
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),
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),
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));
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}
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/// Získá offline soubor a zobrazí údaje
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void goOffline() async {
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Directory appDocDir = await getApplicationDocumentsDirectory();
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var den = DateTime.now();
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var soubor = File(
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"${appDocDir.path}/jidelnicek_${den.year}-${den.month}-${den.day}.json");
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if (soubor.existsSync()) {
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// načteme offline jídelníček
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var input = await soubor.readAsString();
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var r = jsonDecode(input);
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List<OfflineJidlo> jidla = [];
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for (var j in r) {
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jidla.add(OfflineJidlo(
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nazev: j["nazev"],
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varianta: j["varianta"],
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objednano: j["objednano"],
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cena: j["cena"],
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naBurze: j["naBurze"],
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den: DateTime.parse(j["den"])));
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}
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if (!mounted) return;
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(
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builder: ((context) => OfflineJidelnicek(jidla: jidla))));
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}
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}
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}
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class AppLocalizationsDelegate extends LocalizationsDelegate<Languages> {
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const AppLocalizationsDelegate();
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@override
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bool isSupported(Locale locale) => ['cs', 'en'].contains(locale.languageCode);
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@override
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Future<Languages> load(Locale locale) => _load(locale);
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static Future<Languages> _load(Locale locale) async {
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switch (locale.languageCode) {
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case 'cs':
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return LanguageCz();
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default:
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return LanguageEn();
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}
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}
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@override
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bool shouldReload(LocalizationsDelegate<Languages> old) => false;
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}
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