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opencanteen/lib/okna/jidelnicek.dart

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Dart
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import 'dart:convert';
import 'dart:io';
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import 'package:canteenlib/canteenlib.dart';
import 'package:flutter/material.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:opencanteen/main.dart';
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import 'package:opencanteen/okna/login.dart';
import 'package:opencanteen/okna/nastaveni.dart';
import 'package:opencanteen/pw/platformbutton.dart';
import 'package:opencanteen/pw/platformdialog.dart';
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import 'package:opencanteen/util.dart';
import 'package:package_info_plus/package_info_plus.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:url_launcher/url_launcher.dart';
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import 'package:flutter_gen/gen_l10n/app_localizations.dart';
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class MealView extends StatefulWidget {
const MealView({Key? key, required this.canteen}) : super(key: key);
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final Canteen canteen;
@override
State<MealView> createState() => _MealViewState();
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}
class _MealViewState extends State<MealView> {
List<Widget> content = [const CircularProgressIndicator()];
DateTime day = DateTime.now();
String dayOWeek = "";
double balance = 0.0;
void checkWeek(BuildContext context) async {
if (settings.checkOrdered) {
// Check if user has ordered a meal in the next week
var pristi = day.add(const Duration(days: 6));
for (var i = 0; i < 5; i++) {
var jidelnicek = await widget.canteen
.jidelnicekDen(den: pristi.add(Duration(days: i + 1)));
if (jidelnicek.jidla.isNotEmpty &&
!jidelnicek.jidla.any((element) => element.objednano == true)) {
if (!mounted) break;
ScaffoldMessenger.of(context).hideCurrentSnackBar();
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
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content: Text(AppLocalizations.of(context)!.noOrder),
duration: const Duration(seconds: 5),
action: SnackBarAction(
onPressed: () => setState(
() {
day = pristi.add(Duration(days: i + 1));
loadMeals();
},
),
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label: AppLocalizations.of(context)!.jump,
),
),
);
break;
}
}
}
}
Future<void> loadMeals() async {
content = [const CircularProgressIndicator()];
switch (day.weekday) {
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case 2:
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dayOWeek = AppLocalizations.of(context)!.tuesday;
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break;
case 3:
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dayOWeek = AppLocalizations.of(context)!.wednesday;
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break;
case 4:
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dayOWeek = AppLocalizations.of(context)!.thursday;
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break;
case 5:
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dayOWeek = AppLocalizations.of(context)!.friday;
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break;
case 6:
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dayOWeek = AppLocalizations.of(context)!.saturday;
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break;
case 7:
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dayOWeek = AppLocalizations.of(context)!.sunday;
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break;
default:
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dayOWeek = AppLocalizations.of(context)!.monday;
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}
Uzivatel uzivatel;
try {
uzivatel = await widget.canteen.ziskejUzivatele();
} catch (e) {
if (!widget.canteen.prihlasen) {
Navigator.pushReplacement(
context, platformRouter((c) => const LoginPage()));
}
return;
}
balance = uzivatel.kredit;
var jd = await widget.canteen.jidelnicekDen(den: day).catchError((_) {
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showInfo(context, AppLocalizations.of(context)!.errorContacting);
return Jidelnicek(DateTime.now(), []);
});
setState(
() {
content = [];
if (jd.jidla.isEmpty) {
content.add(Text(
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AppLocalizations.of(context)!.noFood,
style: const TextStyle(fontSize: 15),
));
} else {
for (var j in jd.jidla) {
content.add(
Padding(
padding: const EdgeInsets.only(top: 15),
child: InkWell(
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(j.varianta),
const SizedBox(width: 10),
Flexible(
child: Text(
j.nazev,
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),
),
Text((j.naBurze)
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? AppLocalizations.of(context)!.inExchange
: "${j.cena}"),
Checkbox(
value: j.objednano,
fillColor: (j.lzeObjednat)
? MaterialStateProperty.all(Colors.purple)
: MaterialStateProperty.all(Colors.grey),
onChanged: (v) async {
if (!j.lzeObjednat) {
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showDialog(
context: context,
builder: (context) {
return PlatformDialog(
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title: AppLocalizations.of(context)!
.errorOrdering,
content:
AppLocalizations.of(context)!.cannotOrder,
actions: [
PlatformButton(
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text: AppLocalizations.of(context)!.ok,
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onPressed: () {
Navigator.of(context).pop();
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},
)
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],
);
},
);
} else {
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showDialog(
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context: context,
barrierDismissible: false,
builder: (_) => Dialog(
child: SizedBox(
height: 100,
child: Row(
children: [
const Padding(
padding: EdgeInsets.all(10),
child: CircularProgressIndicator(),
),
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Text(AppLocalizations.of(context)!
.ordering)
],
),
),
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),
);
widget.canteen.objednat(j).then((_) {
Navigator.of(context, rootNavigator: true).pop();
loadMeals();
}).catchError(
(o) {
Navigator.of(context, rootNavigator: true)
.pop();
showDialog(
context: context,
builder: (bc) => PlatformDialog(
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title: AppLocalizations.of(context)!
.errorOrdering,
content: o.toString(),
actions: [
PlatformButton(
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text:
AppLocalizations.of(context)!.close,
onPressed: () {
Navigator.pop(bc);
},
)
],
),
);
},
);
}
},
)
],
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),
onTap: () async {
if (!j.lzeObjednat) {
showDialog(
context: context,
builder: (context) {
return PlatformDialog(
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title: AppLocalizations.of(context)!.errorOrdering,
content: AppLocalizations.of(context)!.cannotOrder,
actions: [
PlatformButton(
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text: AppLocalizations.of(context)!.ok,
onPressed: () {
Navigator.of(context).pop();
},
)
],
);
},
);
} else {
showDialog(
context: context,
barrierDismissible: false,
builder: (_) => Dialog(
child: SizedBox(
height: 100,
child: Row(children: [
const Padding(
padding: EdgeInsets.all(10),
child: CircularProgressIndicator(),
),
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Text(AppLocalizations.of(context)!.ordering)
]),
),
),
);
widget.canteen.objednat(j).then((_) {
Navigator.of(context, rootNavigator: true).pop();
loadMeals();
}).catchError(
(o) {
Navigator.of(context, rootNavigator: true).pop();
showDialog(
context: context,
builder: (bc) => PlatformDialog(
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title:
AppLocalizations.of(context)!.errorOrdering,
content: o.toString(),
actions: [
PlatformButton(
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text: AppLocalizations.of(context)!.close,
onPressed: () {
Navigator.pop(bc);
},
)
],
),
);
},
);
}
},
onLongPress: () async {
if (!j.objednano || j.burzaUrl == null) return;
if (!j.naBurze) {
// if not in exchange, we ask
var d = await showDialog(
context: context,
builder: (bc) => PlatformDialog(
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title: AppLocalizations.of(context)!.verifyExchange,
actions: [
PlatformButton(
onPressed: () {
Navigator.pop(bc, true);
},
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text: AppLocalizations.of(context)!.yes,
),
PlatformButton(
onPressed: () {
Navigator.pop(bc, false);
},
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text: AppLocalizations.of(context)!.no,
),
],
),
);
if (d) {
widget.canteen
.doBurzy(j)
.then((_) => loadMeals())
.catchError((o) {
showDialog(
context: context,
builder: (bc) => PlatformDialog(
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title:
AppLocalizations.of(context)!.exchangeError,
content: o.toString(),
actions: [
PlatformButton(
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text: AppLocalizations.of(context)!.close,
onPressed: () {
Navigator.pop(bc);
},
)
],
),
);
});
}
} else {
// else no
widget.canteen.doBurzy(j).then((_) => loadMeals());
}
},
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),
),
);
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}
}
},
);
return;
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}
Future<void> click(String value, BuildContext context) async {
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if (value == AppLocalizations.of(context)!.signOut) {
await showDialog<bool>(
context: context,
builder: (c) => PlatformDialog(
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title: AppLocalizations.of(context)!.warning,
content: AppLocalizations.of(context)!.signOutWarn,
actions: [
PlatformButton(
onPressed: () {
const storage = FlutterSecureStorage();
storage.deleteAll();
Navigator.pushAndRemoveUntil(
context,
platformRouter((c) => const LoginPage()),
(route) => false);
},
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text: AppLocalizations.of(context)!.yes),
PlatformButton(
onPressed: () => Navigator.of(context).pop(),
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text: AppLocalizations.of(context)!.no,
)
],
),
);
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} 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"),
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mode: LaunchMode.externalApplication);
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} else if (value == AppLocalizations.of(context)!.reportBugs) {
launchUrl(Uri.parse("https://forms.gle/jKN7QeFJwpaApSbC8"),
mode: LaunchMode.externalApplication);
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} else if (value == AppLocalizations.of(context)!.about) {
var packageInfo = await PackageInfo.fromPlatform();
if (!mounted) return;
showAboutDialog(
context: context,
applicationName: "OpenCanteen",
applicationLegalese:
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"${AppLocalizations.of(context)!.copyright}\n${AppLocalizations.of(context)!.license}",
applicationVersion: packageInfo.version,
children: [
PlatformButton(
onPressed: (() => launchUrl(
Uri.parse("https://git.mnau.xyz/hernik/opencanteen"),
mode: LaunchMode.externalApplication)),
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text: AppLocalizations.of(context)!.source,
)
]);
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} else if (value == AppLocalizations.of(context)!.settings) {
Navigator.push(context, platformRouter((c) => const AndroidNastaveni()));
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}
}
void loadSettings() async {
if (!mounted) return;
checkWeek(context);
}
void saveOffline() async {
if (!settings.saveOffline) return;
// clear offline storage
Directory appDocDir = await getApplicationDocumentsDirectory();
for (var f in appDocDir.listSync()) {
if (f.path.contains("jidelnicek")) {
f.deleteSync();
}
}
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var prefs = await SharedPreferences.getInstance();
// save X meal lists
var pocet = prefs.getInt("offline_pocet") ?? 1;
if (pocet > 7) pocet = 7;
for (var i = 0; i < pocet; i++) {
var d = day.add(Duration(days: i));
Jidelnicek? j;
try {
j = await widget.canteen.jidelnicekDen(den: d);
} catch (e) {
if (!widget.canteen.prihlasen) {
if (!mounted) return;
ScaffoldMessenger.of(context).hideCurrentSnackBar();
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text(AppLocalizations.of(context)!.errorSaving),
duration: const Duration(seconds: 5),
));
break;
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}
}
var soubor = File(
"${appDocDir.path}/jidelnicek_${d.year}-${d.month}-${d.day}.json");
soubor.createSync();
var jidla = [];
for (var jidlo in j!.jidla) {
jidla.add({
"nazev": jidlo.nazev,
"varianta": jidlo.varianta,
"objednano": jidlo.objednano,
"cena": jidlo.cena,
"naBurze": jidlo.naBurze,
"den": d.toString()
});
}
await soubor.writeAsString(json.encode(jidla));
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}
}
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@override
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void didChangeDependencies() {
super.didChangeDependencies();
loadSettings();
saveOffline();
loadMeals();
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}
@override
Widget build(BuildContext context) {
return Scaffold(
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drawer: drawerGenerator(context, widget.canteen, 1),
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appBar: AppBar(
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title: Text(AppLocalizations.of(context)!.menu),
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actions: [
PopupMenuButton(
onSelected: ((String value) => click(value, context)),
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itemBuilder: (BuildContext context) {
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return {
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AppLocalizations.of(context)!.reportBugs,
AppLocalizations.of(context)!.review,
AppLocalizations.of(context)!.settings,
AppLocalizations.of(context)!.about,
AppLocalizations.of(context)!.signOut
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}.map((String choice) {
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return PopupMenuItem<String>(
value: choice,
child: Text(choice),
);
}).toList();
},
),
],
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),
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body: RefreshIndicator(
onRefresh: loadMeals,
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child: Center(
child: SizedBox(
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width: MediaQuery.of(context).size.width - 50,
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child: Column(
children: [
const SizedBox(height: 10),
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Text("${AppLocalizations.of(context)!.balance}$balance"),
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
IconButton(
onPressed: () {
setState(() {
day = day.subtract(const Duration(days: 1));
if (day.weekday == 7 && settings.skipWeekend) {
day = day.subtract(const Duration(days: 2));
}
loadMeals();
});
},
icon: const Icon(Icons.arrow_left)),
PlatformButton(
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onPressed: () async {
var datePicked = await showDatePicker(
context: context,
initialDate: day,
currentDate: day,
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firstDate: DateTime(2019, 1, 1),
lastDate: DateTime(day.year + 1, 12, 31),
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locale: Localizations.localeOf(context));
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if (datePicked == null) return;
setState(() {
day = datePicked;
loadMeals();
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});
},
text: "${day.day}. ${day.month}. ${day.year} - $dayOWeek",
),
IconButton(
onPressed: () {
setState(() {
day = day.add(const Duration(days: 1));
if (day.weekday == 6 && settings.skipWeekend) {
day = day.add(const Duration(days: 2));
}
loadMeals();
});
},
icon: const Icon(Icons.arrow_right),
),
Tooltip(
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message: AppLocalizations.of(context)!.todayTooltip,
child: IconButton(
onPressed: () => setState(
() {
day = DateTime.now();
loadMeals();
},
),
icon: const Icon(Icons.today),
),
)
],
),
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SingleChildScrollView(
physics: const AlwaysScrollableScrollPhysics(),
child: GestureDetector(
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child: Container(
color: Theme.of(context)
.colorScheme
.onPrimary
.withOpacity(0),
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height: MediaQuery.of(context).size.height / 1.3,
child: Column(children: content),
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),
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onHorizontalDragEnd: (details) {
if (details.primaryVelocity?.compareTo(0) == -1) {
setState(() {
day = day.add(const Duration(days: 1));
if (day.weekday == 6 && settings.skipWeekend) {
day = day.add(const Duration(days: 2));
}
loadMeals();
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});
} else {
setState(
() {
day = day.subtract(const Duration(days: 1));
if (day.weekday == 7 && settings.skipWeekend) {
day = day.subtract(const Duration(days: 2));
}
loadMeals();
},
);
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}
},
),
)
],
),
),
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),
),
);
}
}