shlink-manager/lib/HomeView.dart

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Dart
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import 'package:flutter/material.dart';
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import 'package:qr_flutter/qr_flutter.dart';
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import 'package:shlink_app/API/Classes/ShlinkStats/ShlinkStats.dart';
import 'package:shlink_app/API/ServerManager.dart';
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import 'package:shlink_app/LoginView.dart';
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import 'package:shlink_app/ShortURLEditView.dart';
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import 'package:shlink_app/URLListView.dart';
import 'API/Classes/ShortURL/ShortURL.dart';
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import 'globals.dart' as globals;
class HomeView extends StatefulWidget {
const HomeView({Key? key}) : super(key: key);
@override
State<HomeView> createState() => _HomeViewState();
}
class _HomeViewState extends State<HomeView> {
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ShlinkStats? shlinkStats;
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List<ShortURL> shortUrls = [];
bool shortUrlsLoaded = false;
bool _qrCodeShown = false;
String _qrUrl = "";
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@override
void initState() {
// TODO: implement initState
super.initState();
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WidgetsBinding.instance
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.addPostFrameCallback((_) {
loadAllData();
});
}
Future<void> loadAllData() async {
var resultStats = await loadShlinkStats();
var resultShortUrls = await loadRecentShortUrls();
return;
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}
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Future<void> loadShlinkStats() async {
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final response = await globals.serverManager.getShlinkStats();
response.fold((l) {
setState(() {
shlinkStats = l;
});
}, (r) {
var text = "";
if (r is RequestFailure) {
text = r.description;
}
else {
text = (r as ApiFailure).detail;
}
final snackBar = SnackBar(content: Text(text), backgroundColor: Colors.red[400], behavior: SnackBarBehavior.floating);
ScaffoldMessenger.of(context).showSnackBar(snackBar);
});
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}
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Future<void> loadRecentShortUrls() async {
final response = await globals.serverManager.getRecentShortUrls();
response.fold((l) {
setState(() {
shortUrls = l;
shortUrlsLoaded = true;
});
}, (r) {
var text = "";
if (r is RequestFailure) {
text = r.description;
}
else {
text = (r as ApiFailure).detail;
}
final snackBar = SnackBar(content: Text(text), backgroundColor: Colors.red[400], behavior: SnackBarBehavior.floating);
ScaffoldMessenger.of(context).showSnackBar(snackBar);
});
}
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@override
Widget build(BuildContext context) {
return Scaffold(
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body: Stack(
children: [
ColorFiltered(
colorFilter: ColorFilter.mode(Colors.black.withOpacity(_qrCodeShown ? 0.4 : 0), BlendMode.srcOver),
child: RefreshIndicator(
onRefresh: () async {
return loadAllData();
},
child: CustomScrollView(
slivers: [
SliverAppBar.medium(
expandedHeight: 160,
title: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("Shlink", style: TextStyle(fontWeight: FontWeight.bold)),
Text(globals.serverManager.getServerUrl(), style: TextStyle(fontSize: 16, color: Colors.grey[600]))
],
)
),
SliverToBoxAdapter(
child: Wrap(
alignment: WrapAlignment.spaceEvenly,
children: [
_ShlinkStatsCardWidget(icon: Icons.link, text: "${shlinkStats?.shortUrlsCount.toString() ?? "0"} Short URLs", borderColor: Colors.blue),
_ShlinkStatsCardWidget(icon: Icons.remove_red_eye, text: "${shlinkStats?.nonOrphanVisits.total ?? "0"} Visits", borderColor: Colors.green),
_ShlinkStatsCardWidget(icon: Icons.warning, text: "${shlinkStats?.orphanVisits.total ?? "0"} Orphan Visits", borderColor: Colors.red),
_ShlinkStatsCardWidget(icon: Icons.sell, text: "${shlinkStats?.tagsCount.toString() ?? "0"} Tags", borderColor: Colors.purple),
],
),
),
if (shortUrlsLoaded && shortUrls.isEmpty)
SliverToBoxAdapter(
child: Center(
child: Padding(
padding: EdgeInsets.only(top: 50),
child: Column(
children: [
Text("No Short URLs", style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),),
Padding(
padding: EdgeInsets.only(top: 8),
child: Text('Create one by tapping the "+" button below', style: TextStyle(fontSize: 16, color: Colors.grey[600]),),
)
],
)
)
)
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)
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else
SliverList(delegate: SliverChildBuilderDelegate(
(BuildContext _context, int index) {
if (index == 0) {
return Padding(
padding: EdgeInsets.only(top: 16, left: 12, right: 12),
child: Text("Recent Short URLs", style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold)),
);
}
else {
final shortURL = shortUrls[index - 1];
return ShortURLCell(shortURL: shortURL, reload: () {
loadRecentShortUrls();
}, showQRCode: (String url) {
setState(() {
_qrUrl = url;
_qrCodeShown = true;
});
}, isLast: index == shortUrls.length);
}
},
childCount: shortUrls.length + 1
))
],
),
),
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),
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if (_qrCodeShown)
GestureDetector(
onTap: () {
setState(() {
_qrCodeShown = false;
});
},
child: Container(
color: Colors.black.withOpacity(0),
),
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),
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if (_qrCodeShown)
Center(
child: SizedBox(
width: MediaQuery.of(context).size.width / 1.7,
height: MediaQuery.of(context).size.width / 1.7,
child: Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: QrImageView(
data: _qrUrl,
version: QrVersions.auto,
size: 200.0,
eyeStyle: QrEyeStyle(
eyeShape: QrEyeShape.square,
color: MediaQuery.of(context).platformBrightness == Brightness.dark ? Colors.white : Colors.black,
),
dataModuleStyle: QrDataModuleStyle(
dataModuleShape: QrDataModuleShape.square,
color: MediaQuery.of(context).platformBrightness == Brightness.dark ? Colors.white : Colors.black,
),
)
)
),
),
)
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],
),
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floatingActionButton: FloatingActionButton(
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onPressed: () async {
final result = await Navigator.of(context).push(MaterialPageRoute(builder: (context) => const ShortURLEditView()));
loadRecentShortUrls();
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},
child: Icon(Icons.add),
)
);
}
}
// stats card widget
class _ShlinkStatsCardWidget extends StatefulWidget {
const _ShlinkStatsCardWidget({this.text, this.icon, this.borderColor});
final icon;
final borderColor;
final text;
@override
State<_ShlinkStatsCardWidget> createState() => _ShlinkStatsCardWidgetState();
}
class _ShlinkStatsCardWidgetState extends State<_ShlinkStatsCardWidget> {
@override
Widget build(BuildContext context) {
var randomColor = ([...Colors.primaries]..shuffle()).first;
return Padding(
padding: EdgeInsets.all(4),
child: Container(
padding: EdgeInsets.all(12),
decoration: BoxDecoration(
border: Border.all(color: widget.borderColor ?? randomColor),
borderRadius: BorderRadius.circular(8)
),
child: SizedBox(
child: Wrap(
children: [
Icon(widget.icon),
Padding(
padding: EdgeInsets.only(left: 4),
child: Text(widget.text, style: TextStyle(fontWeight: FontWeight.bold)),
)
],
),
)
),
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);
}
}