Solian/lib/screens/channel/channel_chat.dart
2024-07-12 22:37:58 +08:00

324 lines
9.4 KiB
Dart

import 'dart:async';
import 'dart:ui';
import 'package:flutter/material.dart';
import 'package:flutter_animate/flutter_animate.dart';
import 'package:get/get.dart';
import 'package:solian/controllers/chat_events_controller.dart';
import 'package:solian/exts.dart';
import 'package:solian/models/call.dart';
import 'package:solian/models/channel.dart';
import 'package:solian/models/event.dart';
import 'package:solian/models/packet.dart';
import 'package:solian/providers/auth.dart';
import 'package:solian/providers/chat.dart';
import 'package:solian/providers/content/call.dart';
import 'package:solian/providers/content/channel.dart';
import 'package:solian/router.dart';
import 'package:solian/screens/channel/channel_detail.dart';
import 'package:solian/theme.dart';
import 'package:solian/widgets/app_bar_leading.dart';
import 'package:solian/widgets/app_bar_title.dart';
import 'package:solian/widgets/chat/call/call_prejoin.dart';
import 'package:solian/widgets/chat/call/chat_call_action.dart';
import 'package:solian/widgets/chat/chat_event.dart';
import 'package:solian/widgets/chat/chat_event_list.dart';
import 'package:solian/widgets/chat/chat_message_input.dart';
import 'package:solian/widgets/current_state_action.dart';
class ChannelChatScreen extends StatefulWidget {
final String alias;
final String realm;
const ChannelChatScreen({
super.key,
required this.alias,
this.realm = 'global',
});
@override
State<ChannelChatScreen> createState() => _ChannelChatScreenState();
}
class _ChannelChatScreenState extends State<ChannelChatScreen> {
bool _isBusy = false;
int? _accountId;
String? _overrideAlias;
Channel? _channel;
Call? _ongoingCall;
ChannelMember? _channelProfile;
StreamSubscription<NetworkPackage>? _subscription;
late final ChatEventController _chatController;
getProfile() async {
final AuthProvider auth = Get.find();
final prof = await auth.getProfile();
_accountId = prof.body['id'];
}
getChannel({String? overrideAlias}) async {
final ChannelProvider provider = Get.find();
setState(() => _isBusy = true);
if (overrideAlias != null) _overrideAlias = overrideAlias;
try {
final resp = await provider.getChannel(
_overrideAlias ?? widget.alias,
realm: widget.realm,
);
final respProfile = await provider.getMyChannelProfile(
_overrideAlias ?? widget.alias,
realm: widget.realm,
);
setState(() {
_channel = Channel.fromJson(resp.body);
_channelProfile = ChannelMember.fromJson(respProfile.body);
});
} catch (e) {
context.showErrorDialog(e);
}
setState(() => _isBusy = false);
}
getOngoingCall() async {
final ChannelProvider provider = Get.find();
setState(() => _isBusy = true);
try {
final resp = await provider.getChannelOngoingCall(
_overrideAlias ?? widget.alias,
realm: widget.realm,
);
if (resp != null) {
setState(() => _ongoingCall = Call.fromJson(resp.body));
}
} catch (e) {
context.showErrorDialog(e);
}
setState(() => _isBusy = false);
}
void listenMessages() {
final ChatProvider provider = Get.find();
_subscription = provider.stream.stream.listen((event) {
switch (event.method) {
case 'events.new':
final payload = Event.fromJson(event.payload!);
_chatController.receiveEvent(payload);
break;
case 'calls.new':
final payload = Call.fromJson(event.payload!);
setState(() => _ongoingCall = payload);
break;
case 'calls.end':
setState(() => _ongoingCall = null);
break;
}
});
}
void showCallPrejoin() {
showModalBottomSheet(
useRootNavigator: true,
context: context,
builder: (context) => ChatCallPrejoinPopup(
ongoingCall: _ongoingCall!,
channel: _channel!,
),
);
}
Event? _messageToReplying;
Event? _messageToEditing;
Widget buildHistoryBody(Event item, {bool isMerged = false}) {
return ChatEvent(
key: Key('m${item.uuid}'),
item: item,
isMerged: isMerged,
chatController: _chatController,
);
}
@override
void initState() {
_chatController = ChatEventController();
_chatController.initialize();
getChannel().then((_) {
_chatController.getEvents(_channel!, widget.realm);
listenMessages();
});
getProfile();
getOngoingCall();
super.initState();
}
@override
Widget build(BuildContext context) {
if (_isBusy || _channel == null) {
return Material(
color: Theme.of(context).colorScheme.surface,
child: const Center(
child: CircularProgressIndicator(),
),
);
}
String title = _channel?.name ?? 'loading'.tr;
String? placeholder;
if (_channel?.type == 1) {
final otherside = _channel!.members!
.where((e) => e.account.externalId != _accountId)
.first;
title = otherside.account.nick;
placeholder = 'messageInputPlaceholder'.trParams(
{'channel': '@${otherside.account.name}'},
);
}
final ChatCallProvider call = Get.find();
return Scaffold(
appBar: AppBar(
leading: AppBarLeadingButton.adaptive(context),
title: AppBarTitle(title),
centerTitle: false,
titleSpacing: SolianTheme.titleSpacing(context),
toolbarHeight: SolianTheme.toolbarHeight(context),
actions: [
const BackgroundStateWidget(),
Builder(builder: (context) {
if (_isBusy) return const SizedBox();
return ChatCallButton(
realm: _channel!.realm,
channel: _channel!,
ongoingCall: _ongoingCall,
);
}),
IconButton(
icon: const Icon(Icons.more_vert),
onPressed: () {
AppRouter.instance
.pushNamed(
'channelDetail',
pathParameters: {'alias': widget.alias},
queryParameters: {'realm': widget.realm},
extra: ChannelDetailArguments(
profile: _channelProfile!,
channel: _channel!,
),
)
.then((value) {
if (value == false) AppRouter.instance.pop();
if (value != null) {
final resp = Channel.fromJson(value as Map<String, dynamic>);
getChannel(overrideAlias: resp.alias);
}
});
},
),
SizedBox(
width: SolianTheme.isLargeScreen(context) ? 8 : 16,
),
],
),
body: Column(
children: [
if (_ongoingCall != null)
MaterialBanner(
padding: const EdgeInsets.only(left: 16, top: 4, bottom: 4),
leading: const Icon(Icons.call_received),
backgroundColor: Theme.of(context).colorScheme.surfaceContainer,
dividerColor: Colors.transparent,
content: Text('callOngoing'.tr),
actions: [
Obx(() {
if (call.current.value == null) {
return TextButton(
onPressed: showCallPrejoin,
child: Text('callJoin'.tr),
);
} else if (call.channel.value?.id == _channel?.id) {
return TextButton(
onPressed: () => call.gotoScreen(context),
child: Text('callResume'.tr),
);
} else {
return TextButton(
onPressed: null,
child: Text('callJoin'.tr),
);
}
})
],
),
Expanded(
child: ChatEventList(
scope: widget.realm,
channel: _channel!,
chatController: _chatController,
onEdit: (item) {
setState(() => _messageToEditing = item);
},
onReply: (item) {
setState(() => _messageToReplying = item);
},
),
),
Obx(() {
if (_chatController.isLoading.isTrue) {
return const LinearProgressIndicator().animate().slideY();
} else {
return const SizedBox();
}
}),
ClipRect(
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 50, sigmaY: 50),
child: SafeArea(
child: ChatMessageInput(
edit: _messageToEditing,
reply: _messageToReplying,
realm: widget.realm,
placeholder: placeholder,
channel: _channel!,
onSent: (Event item) {
setState(() {
_chatController.addPendingEvent(item);
});
},
onReset: () {
setState(() {
_messageToReplying = null;
_messageToEditing = null;
});
},
),
),
),
),
],
),
);
}
@override
void dispose() {
_subscription?.cancel();
super.dispose();
}
}