Solian/lib/screens/chat/index.dart
2024-04-29 20:32:51 +08:00

121 lines
3.7 KiB
Dart

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:solian/models/channel.dart';
import 'package:solian/providers/auth.dart';
import 'package:solian/router.dart';
import 'package:solian/utils/service_url.dart';
import 'package:solian/widgets/chat/chat_new.dart';
import 'package:solian/widgets/exts.dart';
import 'package:solian/widgets/indent_wrapper.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
import 'package:solian/widgets/notification_notifier.dart';
import 'package:solian/widgets/signin_required.dart';
class ChatIndexScreen extends StatefulWidget {
const ChatIndexScreen({super.key});
@override
State<ChatIndexScreen> createState() => _ChatIndexScreenState();
}
class _ChatIndexScreenState extends State<ChatIndexScreen> {
List<Channel> _channels = List.empty();
Future<void> fetchChannels() async {
final auth = context.read<AuthProvider>();
if (!await auth.isAuthorized()) return;
var uri = getRequestUri('messaging', '/api/channels/me/available');
var res = await auth.client!.get(uri);
if (res.statusCode == 200) {
final result = jsonDecode(utf8.decode(res.bodyBytes)) as List<dynamic>;
setState(() {
_channels = result.map((x) => Channel.fromJson(x)).toList();
});
} else {
var message = utf8.decode(res.bodyBytes);
context.showErrorDialog(message);
}
}
void viewNewChatAction() {
showModalBottomSheet(
context: context,
builder: (context) => ChatNewAction(onUpdate: () => fetchChannels()),
);
}
@override
void initState() {
Future.delayed(Duration.zero, () {
fetchChannels();
});
super.initState();
}
@override
Widget build(BuildContext context) {
final auth = context.read<AuthProvider>();
return IndentWrapper(
title: AppLocalizations.of(context)!.chat,
appBarActions: const [NotificationButton()],
floatingActionButton: FutureBuilder(
future: auth.isAuthorized(),
builder: (context, snapshot) {
if (snapshot.hasData && snapshot.data!) {
return FloatingActionButton.extended(
icon: const Icon(Icons.add),
label: Text(AppLocalizations.of(context)!.chatNew),
onPressed: () => viewNewChatAction(),
);
} else {
return Container();
}
},
),
child: FutureBuilder(
future: auth.isAuthorized(),
builder: (context, snapshot) {
if (!snapshot.hasData || !snapshot.data!) {
return const SignInRequiredScreen();
}
return RefreshIndicator(
onRefresh: () => fetchChannels(),
child: ListView.builder(
itemCount: _channels.length,
itemBuilder: (context, index) {
final element = _channels[index];
return ListTile(
leading: const CircleAvatar(
backgroundColor: Colors.indigo,
child: Icon(Icons.tag, color: Colors.white),
),
title: Text(element.name),
subtitle: Text(element.description),
onTap: () async {
final result = await router.pushNamed(
'chat.channel',
pathParameters: {
'channel': element.alias,
},
);
switch(result) {
case 'refresh':
fetchChannels();
}
},
);
},
),
);
}),
);
}
}