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opencanteen/lib/okna/offline_jidelnicek.dart
2023-01-28 15:41:17 +01:00

270 lines
9.4 KiB
Dart

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<OfflineMealView> createState() => _OfflineMealViewState();
}
class _OfflineMealViewState extends State<OfflineMealView> {
List<Widget> 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<List<OfflineMeal>> 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<OfflineMeal> 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<void> 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
: "${j.price}"),
Checkbox(
value: j.ordered,
fillColor: MaterialStateProperty.all(Colors.grey),
onChanged: (v) async {
return;
},
)
],
),
),
),
);
}
setState(() {});
}
void click(String value, BuildContext context) async {
if (value == AppLocalizations.of(context)!.signOut) {
const storage = FlutterSecureStorage();
storage.deleteAll();
Navigator.pushReplacement(
context, platformRouter((c) => const LoginPage()));
} else if (value == AppLocalizations.of(context)!.review) {
launchUrl(
Uri.parse((Platform.isAndroid)
? "market://details?id=cz.hernikplays.opencanteen"
: "https://apps.apple.com/cz/app/opencanteen/id1621124445"),
mode: LaunchMode.externalApplication);
} else if (value == AppLocalizations.of(context)!.reportBugs) {
launchUrl(Uri.parse("https://forms.gle/jKN7QeFJwpaApSbC8"),
mode: LaunchMode.externalApplication);
} else if (value == AppLocalizations.of(context)!.about) {
var packageInfo = await PackageInfo.fromPlatform();
if (!mounted) return;
showAboutDialog(
context: context,
applicationName: "OpenCanteen",
applicationLegalese:
"${AppLocalizations.of(context)!.copyright}\n${AppLocalizations.of(context)!.license}",
applicationVersion: packageInfo.version,
children: [
PlatformButton(
onPressed: (() => launchUrl(
Uri.parse("https://git.mnau.xyz/hernik/opencanteen"))),
text: AppLocalizations.of(context)!.source,
)
],
);
}
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
loadSettings();
}
void loadSettings() async {
var prefs = await SharedPreferences.getInstance();
_skipWeekend = prefs.getBool("skip") ?? false;
if (!mounted) return;
loadFromFile();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(AppLocalizations.of(context)!.menu),
automaticallyImplyLeading: false,
actions: [
PopupMenuButton(
onSelected: ((String value) => click(value, context)),
itemBuilder: (BuildContext context) {
return {
AppLocalizations.of(context)!.reportBugs,
AppLocalizations.of(context)!.review,
AppLocalizations.of(context)!.about,
AppLocalizations.of(context)!.signOut
}.map((String choice) {
return PopupMenuItem<String>(
value: choice,
child: Text(choice),
);
}).toList();
},
),
],
),
body: RefreshIndicator(
child: Center(
child: SizedBox(
width: MediaQuery.of(context).size.width - 50,
child: Column(
children: [
const SizedBox(height: 10),
Text(
AppLocalizations.of(context)!.offline,
style: const TextStyle(fontWeight: FontWeight.bold),
),
Text(AppLocalizations.of(context)!.mustLogout),
const SizedBox(height: 10),
Row(mainAxisAlignment: MainAxisAlignment.center, children: [
IconButton(
onPressed: () {
if (data.length <= 1) return;
content = [const CircularProgressIndicator()];
setState(() {
if (currentDay.weekday == 1 && _skipWeekend) {
// pokud je pondělí a chceme přeskočit víkend
if (mealIndex - 2 >= 0) {
mealIndex -= data.length - 3;
} else {
mealIndex = data.length - 1;
}
} else if (mealIndex == 0) {
mealIndex = data.length - 1;
} else {
mealIndex -= 1;
}
loadFood();
});
},
icon: const Icon(Icons.arrow_left)),
PlatformButton(
onPressed: () async {},
text:
"${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())),
),
);
}
}