mensaapp/lib/main.dart

import 'package:flutter/material.dart';
import 'package:kiosk_mode/kiosk_mode.dart';
import 'package:mensaapp/providers/ambienteProvider.dart';
import 'package:mensaapp/providers/anmerkungProvider.dart';
import 'package:mensaapp/providers/essenProvider.dart';
import 'package:mensaapp/providers/languageProvider.dart';
import 'package:mensaapp/providers/pageProvider.dart';
import 'package:mensaapp/providers/serviceProvider.dart';
import 'package:mensaapp/providers/spaceProvider.dart';
import 'package:mensaapp/providers/spezielleErnaehrungProvider.dart';
import 'package:provider/provider.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'dart:async';
import 'package:supabase_flutter/supabase_flutter.dart';
import 'package:dcdg/dcdg.dart';


void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  var prefs = await SharedPreferences.getInstance();
  print(prefs.getString('supabase-ip'));
  var backendIp = prefs.getString('supabase-ip');
  var anonKey = prefs.getString("anon-key");
  await startKioskMode();
  if (backendIp != ''){
  await Supabase.initialize(
  url: "$backendIp",
  anonKey: "$anonKey",
  );
  }

  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MultiProvider(
      providers: [
        ChangeNotifierProvider(
          create: (context) => PageProvider(),
        ),
        ChangeNotifierProvider(
          create: (context) => EssenProvider(),
        ),
        ChangeNotifierProvider(
          create: (context) => ServiceProvider(),
        ),
        ChangeNotifierProvider(
          create: (context) => AmbienteProvider(),
        ),
        ChangeNotifierProvider(
          create: (context) => AnmerkungProvider(),
        ),
        ChangeNotifierProvider(
          create: (context) => SpezielleErnaehrungProvider(),
        ),
        ChangeNotifierProvider(
          create: (context) => LanguageProvider(),
        ),
        ChangeNotifierProvider(
          create: (context) => SpaceProvider(),
        )
      ],
      child: MaterialApp(
          debugShowCheckedModeBanner: false,
          theme: ThemeData(
            colorScheme: const ColorScheme(
                primary: Color.fromRGBO(236, 92, 61, 1),
                onPrimary: Color.fromRGBO(240, 240, 240, 1),
                secondary: Color.fromRGBO(203, 203, 203, 1),
                onSecondary: Color.fromRGBO(60, 60, 60, 1),
                error: Colors.red,
                onError: Colors.white,
                surface: Colors.white,
                onSurface: Color.fromRGBO(60, 60, 60, 1),
                brightness: Brightness.light,
                tertiary: Color.fromRGBO(251, 216, 17, 1),
                onTertiary: Color.fromRGBO(60, 60, 60, 1)),
            useMaterial3: true,
          ),
          home: const MyHome()),
    );
  }
}

var lastTimeClick = DateTime.now();

var secondsTimeOut = 80; //80
var popupOpen = false;

void _showTimeOverDialog(BuildContext context) {
  popupOpen = true;
  showDialog(
    context: context,
    builder: (context) {
      return AlertDialog(
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(20),
        ),
        title: Text(
          Provider.of<LanguageProvider>(context, listen: false)
              .languageData[Provider.of<LanguageProvider>(context, listen: false).language]["general"]["timeOutTitle"],
          style: TextStyle(fontSize: 25),
        ),
        content: Text(
          Provider.of<LanguageProvider>(context, listen: false)
              .languageData[Provider.of<LanguageProvider>(context, listen: false).language]["general"]["timeOutContent"],
          style: TextStyle(fontSize: 20),
        ),
        actions: [
          FilledButton(
            child: Text(
              Provider.of<LanguageProvider>(context, listen: false)
                  .languageData[Provider.of<LanguageProvider>(context, listen: false).language]["general"]["timeOutButton"],
              style: TextStyle(fontSize: 17),
            ),
            onPressed: () {
              lastTimeClick = DateTime.now();
              popupOpen = false;
              Navigator.of(context).pop();
            },
          )
        ],
      );
    },
  );
}

class MyHome extends StatelessWidget {
  const MyHome({super.key});

  @override
  Widget build(BuildContext context) {
    Timer.periodic(
      const Duration(seconds: 5),
      (timer) {
        var clickDiff = DateTime.now().difference(lastTimeClick).inSeconds;
        if (clickDiff >= secondsTimeOut && Provider.of<SpaceProvider>(context, listen: false).selectedSpace == 1) {
          Navigator.of(context).popUntil((route) => route.isFirst);
          Provider.of<AnmerkungProvider>(context, listen: false)
              .resetAllFields();
          Provider.of<EssenProvider>(context, listen: false)
              .resetAllFields();
          Provider.of<AmbienteProvider>(context, listen: false)
              .resetAllFields();
          Provider.of<ServiceProvider>(context, listen: false)
              .resetAllFields();
          Provider.of<SpezielleErnaehrungProvider>(context, listen: false)
              .resetAllFields();
          Provider.of<PageProvider>(context, listen: false)
              .resetSelectedEssen();
          Provider.of<PageProvider>(context, listen: false)
              .changePage(0);
          Provider.of<SpaceProvider>(context, listen: false)
              .setSelectedSpace(0);
          Provider.of<LanguageProvider>(context, listen: false)
              .setLanguage("de");
        } else if (clickDiff >= secondsTimeOut - 30 && Provider.of<SpaceProvider>(context, listen: false).selectedSpace == 1) {
          if (!popupOpen) {
            _showTimeOverDialog(context);
            _showTimeOverDialog(context);
          }
        }

        if (Provider.of<SpaceProvider>(context, listen: false).selectedSpace == 0) {
          popupOpen = false;
        }
      },
    );

    return Consumer<SpaceProvider>(builder: (context, spaceProvider, child) {
      return Listener(
        onPointerDown: (event) {
          lastTimeClick = DateTime.now();
        },
        child: spaceProvider.spaces[spaceProvider.selectedSpace],
      );
    });
  }
}