shlink-manager/lib/views/home_view.dart

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Dart
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter_sharing_intent/flutter_sharing_intent.dart';
import 'package:flutter_sharing_intent/model/sharing_file.dart';
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import 'package:qr_flutter/qr_flutter.dart';
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import 'package:shlink_app/API/Classes/ShlinkStats/shlink_stats.dart';
import 'package:shlink_app/API/server_manager.dart';
import 'package:shlink_app/views/short_url_edit_view.dart';
import 'package:shlink_app/views/url_list_view.dart';
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import 'package:url_launcher/url_launcher_string.dart';
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import '../API/Classes/ShortURL/short_url.dart';
import '../globals.dart' as globals;
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class HomeView extends StatefulWidget {
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const HomeView({super.key});
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@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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late StreamSubscription _intentDataStreamSubscription;
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@override
void initState() {
super.initState();
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initializeActionProcessText();
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WidgetsBinding.instance.addPostFrameCallback((_) {
loadAllData();
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});
}
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Future<void> initializeActionProcessText() async {
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_intentDataStreamSubscription =
FlutterSharingIntent.instance.getMediaStream().listen(_handleIntentUrl);
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FlutterSharingIntent.instance.getInitialSharing().then(_handleIntentUrl);
}
Future<void> _handleIntentUrl(List<SharedFile> value) async {
String inputUrlText = value.firstOrNull?.value ?? "";
if (await canLaunchUrlString(inputUrlText)) {
await Navigator.of(context).push(MaterialPageRoute(
builder: (context) => ShortURLEditView(longUrl: inputUrlText)));
await loadAllData();
}
}
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Future<void> loadAllData() async {
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await loadShlinkStats();
await loadRecentShortUrls();
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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;
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} else {
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text = (r as ApiFailure).detail;
}
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final snackBar = SnackBar(
content: Text(text),
backgroundColor: Colors.red[400],
behavior: SnackBarBehavior.floating);
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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;
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} else {
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text = (r as ApiFailure).detail;
}
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final snackBar = SnackBar(
content: Text(text),
backgroundColor: Colors.red[400],
behavior: SnackBarBehavior.floating);
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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: [
const 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,
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children: [
_ShlinkStatsCardWidget(
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icon: Icons.link,
text:
"${shlinkStats?.shortUrlsCount.toString() ?? "0"} Short URLs",
borderColor: Colors.blue),
_ShlinkStatsCardWidget(
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icon: Icons.remove_red_eye,
text:
"${shlinkStats?.nonOrphanVisits.total ?? "0"} Visits",
borderColor: Colors.green),
_ShlinkStatsCardWidget(
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icon: Icons.warning,
text:
"${shlinkStats?.orphanVisits.total ?? "0"} Orphan Visits",
borderColor: Colors.red),
_ShlinkStatsCardWidget(
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icon: Icons.sell,
text:
"${shlinkStats?.tagsCount.toString() ?? "0"} Tags",
borderColor: Colors.purple),
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],
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),
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),
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if (shortUrlsLoaded && shortUrls.isEmpty)
SliverToBoxAdapter(
child: Center(
child: Padding(
padding: const EdgeInsets.only(top: 50),
child: Column(
children: [
const Text(
"No Short URLs",
style: TextStyle(
fontSize: 24,
fontWeight: FontWeight.bold),
),
Padding(
padding: const EdgeInsets.only(top: 8),
child: Text(
'Create one by tapping the "+" button below',
style: TextStyle(
fontSize: 16,
color: Colors.grey[600]),
),
)
],
))))
else
SliverList(
delegate: SliverChildBuilderDelegate(
(BuildContext context, int index) {
if (index == 0) {
return const 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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),
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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,
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,
),
))),
),
)
],
),
floatingActionButton: FloatingActionButton(
onPressed: () async {
await Navigator.of(context).push(MaterialPageRoute(
builder: (context) => const ShortURLEditView()));
loadRecentShortUrls();
},
child: const Icon(Icons.add),
));
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}
}
// stats card widget
class _ShlinkStatsCardWidget extends StatefulWidget {
const _ShlinkStatsCardWidget(
{required this.text, required this.icon, this.borderColor});
final IconData icon;
final Color? borderColor;
final String 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: const EdgeInsets.all(4),
child: Container(
padding: const 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: const EdgeInsets.only(left: 4),
child: Text(widget.text,
style: const TextStyle(fontWeight: FontWeight.bold)),
)
],
),
)),
);
}
}