Implement Scanner-View
This commit is contained in:
@@ -0,0 +1,198 @@
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import 'package:flutter/material.dart';
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import 'package:font_awesome_flutter/font_awesome_flutter.dart';
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import 'package:provider/provider.dart';
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import 'package:simplecloudnotifier/api/api_client.dart';
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import 'package:simplecloudnotifier/models/channel.dart';
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import 'package:simplecloudnotifier/models/scan_result.dart';
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import 'package:simplecloudnotifier/models/subscription.dart';
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import 'package:simplecloudnotifier/models/user.dart';
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import 'package:simplecloudnotifier/pages/channel_view/channel_view.dart';
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import 'package:simplecloudnotifier/state/app_auth.dart';
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import 'package:simplecloudnotifier/state/application_log.dart';
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import 'package:simplecloudnotifier/utils/navi.dart';
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import 'package:simplecloudnotifier/utils/toaster.dart';
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import 'package:simplecloudnotifier/utils/ui.dart';
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class ChannelScannerResultChannelSubscribe extends StatefulWidget {
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final ScanResultChannelSubscribe value;
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const ChannelScannerResultChannelSubscribe({required this.value}) : super();
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@override
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State<ChannelScannerResultChannelSubscribe> createState() => _ChannelScannerResultChannelSubscribeState();
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}
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class _ChannelScannerResultChannelSubscribeState extends State<ChannelScannerResultChannelSubscribe> {
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Future<(ChannelPreview, UserPreview)?> _fetchDataFuture;
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_ChannelScannerResultChannelSubscribeState() : _fetchDataFuture = Future.value(null); // Initial dummy future
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Subscription? overrideSubscription = null;
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@override
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void initState() {
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super.initState();
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final auth = Provider.of<AppAuth>(context, listen: false);
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setState(() {
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_fetchDataFuture = _fetchData(auth);
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});
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}
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Future<(ChannelPreview, UserPreview)?> _fetchData(AppAuth auth) async {
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ChannelPreview? channel = null;
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try {
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channel = await APIClient.getChannelPreview(auth, widget.value.channelID);
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} catch (e, stackTrace) {
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Toaster.error("Error", 'Failed to fetch channel preview: ${e.toString()}');
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ApplicationLog.error('Failed to fetch channel (preview) for ${widget.value.channelID}', trace: stackTrace);
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return null;
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}
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UserPreview? user = null;
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try {
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user = await APIClient.getUserPreview(auth, widget.value.ownerUserID);
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} catch (e, stackTrace) {
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Toaster.error("Error", 'Failed to fetch user preview: ${e.toString()}');
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ApplicationLog.error('Failed to fetch user (preview) for ${widget.value.ownerUserID}', trace: stackTrace);
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return null;
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}
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return (channel, user);
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}
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@override
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Widget build(BuildContext context) {
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return FutureBuilder<(ChannelPreview, UserPreview)?>(
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future: _fetchDataFuture,
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builder: (context, snapshot) {
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final auth = Provider.of<AppAuth>(context, listen: false);
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if (snapshot.connectionState == ConnectionState.waiting) {
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return const Center(child: CircularProgressIndicator());
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}
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if (snapshot.hasError) {
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return Text('Error: ${snapshot.error}'); //TODO better error display
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}
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if (snapshot.data == null) {
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return Column(
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spacing: 32,
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children: [
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Icon(FontAwesomeIcons.solidTriangleExclamation, size: 64, color: Colors.red[900]),
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Text("Failed to parse QR", textAlign: TextAlign.center),
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],
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);
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}
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final (channel, user) = snapshot.data!;
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final sub = overrideSubscription ?? channel.subscription;
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return Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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Text("SCN Channel", style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 20), textAlign: TextAlign.center),
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const SizedBox(height: 16),
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Row(
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children: [
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ConstrainedBox(child: Text("Name: ", style: const TextStyle(fontWeight: FontWeight.bold)), constraints: const BoxConstraints(minWidth: 100)),
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Expanded(child: SingleChildScrollView(child: Text(channel.displayName), scrollDirection: Axis.horizontal)),
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],
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),
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Row(
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children: [
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ConstrainedBox(child: Text("InternalName: ", style: const TextStyle(fontWeight: FontWeight.bold)), constraints: const BoxConstraints(minWidth: 100)),
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Expanded(child: SingleChildScrollView(child: Text(channel.internalName, style: const TextStyle(fontStyle: FontStyle.italic)), scrollDirection: Axis.horizontal)),
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],
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),
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Row(
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children: [
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ConstrainedBox(child: Text("ChannelID: ", style: const TextStyle(fontWeight: FontWeight.bold)), constraints: const BoxConstraints(minWidth: 100)),
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Expanded(child: SingleChildScrollView(child: Text(channel.channelID, style: const TextStyle(fontStyle: FontStyle.italic)), scrollDirection: Axis.horizontal)),
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],
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),
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Row(
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children: [
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ConstrainedBox(child: Text("Messages: ", style: const TextStyle(fontWeight: FontWeight.bold)), constraints: const BoxConstraints(minWidth: 100)),
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Expanded(child: SingleChildScrollView(child: Text(channel.messagesSent.toString()), scrollDirection: Axis.horizontal)),
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],
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),
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if (channel.descriptionName != null && channel.descriptionName!.isNotEmpty)
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Row(
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children: [
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ConstrainedBox(child: Text("Description:", style: const TextStyle(fontWeight: FontWeight.bold)), constraints: const BoxConstraints(minWidth: 100)),
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Expanded(child: SingleChildScrollView(child: Text(channel.descriptionName!), scrollDirection: Axis.horizontal)),
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],
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),
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const SizedBox(height: 16),
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Row(
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children: [
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ConstrainedBox(child: Text("Owner:", style: const TextStyle(fontWeight: FontWeight.bold)), constraints: const BoxConstraints(minWidth: 100)),
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Expanded(child: SingleChildScrollView(child: Text((user.username ?? user.userID) + ((auth.userID != null && auth.userID! == user.userID) ? "\n(you)" : "")), scrollDirection: Axis.horizontal)),
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],
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),
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Row(
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children: [
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ConstrainedBox(child: Text("UserID:", style: const TextStyle(fontWeight: FontWeight.bold)), constraints: const BoxConstraints(minWidth: 100)),
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Expanded(child: SingleChildScrollView(child: Text(user.userID, style: const TextStyle(fontStyle: FontStyle.italic)), scrollDirection: Axis.horizontal)),
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],
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),
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const SizedBox(height: 16),
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Row(
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children: [
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ConstrainedBox(child: Text("Status:", style: const TextStyle(fontWeight: FontWeight.bold)), constraints: const BoxConstraints(minWidth: 100)),
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Expanded(child: SingleChildScrollView(child: Text(_formatSubscriptionStatus(sub)), scrollDirection: Axis.horizontal)),
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],
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),
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const SizedBox(height: 48),
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if (sub == null)
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UI.button(
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text: 'Request Subscription',
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onPressed: _onSubscribe,
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color: Theme.of(context).colorScheme.primary,
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textColor: Theme.of(context).colorScheme.onPrimary,
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),
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if (sub != null && sub.confirmed)
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UI.button(
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text: 'Go to channel',
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onPressed: () {
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Navi.pushOnRoot(context, () => ChannelViewPage(channelID: widget.value.channelID, preloadedData: null, needsReload: null));
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},
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color: Theme.of(context).colorScheme.primary,
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textColor: Theme.of(context).colorScheme.onPrimary,
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),
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],
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);
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},
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);
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}
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void _onSubscribe() async {
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final auth = Provider.of<AppAuth>(context, listen: false);
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try {
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var sub = await APIClient.subscribeToChannelbyID(auth, widget.value.channelID, subscribeKey: widget.value.subscribeKey);
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if (sub.confirmed) {
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Toaster.success("Success", "Subscription request sent and auto-confirmed");
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} else {
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Toaster.success("Success", "Subscription request sent - pending confirmation");
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}
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setState(() {
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overrideSubscription = sub;
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});
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} catch (e) {
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Toaster.error("Error", 'Failed to send subscription-request: ${e.toString()}');
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}
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}
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String _formatSubscriptionStatus(Subscription? sub) {
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if (sub == null) {
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return "Not Subscribed";
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} else if (sub.confirmed) {
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return "Already Subscribed";
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} else {
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return "Unconfirmed Subscription";
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}
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}
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}
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