Solian/lib/screens/channel/channel_chat.dart

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import 'dart:async';
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import 'dart:ui';
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import 'package:flutter/material.dart';
import 'package:flutter_animate/flutter_animate.dart';
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import 'package:get/get.dart';
import 'package:solian/controllers/chat_events_controller.dart';
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import 'package:solian/exts.dart';
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import 'package:solian/models/call.dart';
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import 'package:solian/models/channel.dart';
import 'package:solian/models/event.dart';
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import 'package:solian/models/packet.dart';
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import 'package:solian/providers/auth.dart';
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import 'package:solian/providers/chat.dart';
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import 'package:solian/providers/content/call.dart';
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import 'package:solian/providers/content/channel.dart';
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import 'package:solian/router.dart';
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import 'package:solian/screens/channel/channel_detail.dart';
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import 'package:solian/theme.dart';
import 'package:solian/widgets/app_bar_leading.dart';
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import 'package:solian/widgets/app_bar_title.dart';
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import 'package:solian/widgets/chat/call/call_prejoin.dart';
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import 'package:solian/widgets/chat/call/chat_call_action.dart';
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import 'package:solian/widgets/chat/chat_event.dart';
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import 'package:solian/widgets/chat/chat_event_list.dart';
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import 'package:solian/widgets/chat/chat_message_input.dart';
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import 'package:solian/widgets/current_state_action.dart';
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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;
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int? _accountId;
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String? _overrideAlias;
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Channel? _channel;
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Call? _ongoingCall;
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ChannelMember? _channelProfile;
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StreamSubscription<NetworkPackage>? _subscription;
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late final ChatEventController _chatController;
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getProfile() async {
final AuthProvider auth = Get.find();
final prof = await auth.getProfile();
_accountId = prof.body['id'];
}
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getChannel({String? overrideAlias}) async {
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final ChannelProvider provider = Get.find();
setState(() => _isBusy = true);
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if (overrideAlias != null) _overrideAlias = overrideAlias;
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try {
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final resp = await provider.getChannel(
_overrideAlias ?? widget.alias,
realm: widget.realm,
);
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final respProfile = await provider.getMyChannelProfile(
_overrideAlias ?? widget.alias,
realm: widget.realm,
);
setState(() {
_channel = Channel.fromJson(resp.body);
_channelProfile = ChannelMember.fromJson(respProfile.body);
});
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} catch (e) {
context.showErrorDialog(e);
}
setState(() => _isBusy = false);
}
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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);
}
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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!);
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_chatController.receiveEvent(payload);
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break;
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case 'calls.new':
final payload = Call.fromJson(event.payload!);
setState(() => _ongoingCall = payload);
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break;
case 'calls.end':
setState(() => _ongoingCall = null);
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break;
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}
});
}
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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}) {
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return ChatEvent(
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key: Key('m${item.uuid}'),
item: item,
isMerged: isMerged,
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chatController: _chatController,
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);
}
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@override
void initState() {
_chatController = ChatEventController();
_chatController.initialize();
getChannel().then((_) {
_chatController.getEvents(_channel!, widget.realm);
listenMessages();
});
getProfile();
getOngoingCall();
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super.initState();
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}
@override
Widget build(BuildContext context) {
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if (_isBusy || _channel == null) {
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return Material(
color: Theme.of(context).colorScheme.surface,
child: const Center(
child: CircularProgressIndicator(),
),
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);
}
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String title = _channel?.name ?? 'loading'.tr;
String? placeholder;
if (_channel?.type == 1) {
final otherside = _channel!.members!
.where((e) => e.account.externalId != _accountId)
.first;
title = otherside.account.nick;
placeholder = 'messageInputPlaceholder'.trParams(
{'channel': '@${otherside.account.name}'},
);
}
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final ChatCallProvider call = Get.find();
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return Scaffold(
appBar: AppBar(
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leading: AppBarLeadingButton.adaptive(context),
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title: AppBarTitle(title),
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centerTitle: false,
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titleSpacing: SolianTheme.titleSpacing(context),
toolbarHeight: SolianTheme.toolbarHeight(context),
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actions: [
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const BackgroundStateWidget(),
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Builder(builder: (context) {
if (_isBusy) return const SizedBox();
return ChatCallButton(
realm: _channel!.realm,
channel: _channel!,
ongoingCall: _ongoingCall,
);
}),
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IconButton(
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icon: const Icon(Icons.more_vert),
onPressed: () {
AppRouter.instance
.pushNamed(
'channelDetail',
pathParameters: {'alias': widget.alias},
queryParameters: {'realm': widget.realm},
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extra: ChannelDetailArguments(
profile: _channelProfile!,
channel: _channel!,
),
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)
.then((value) {
if (value == false) AppRouter.instance.pop();
if (value != null) {
final resp = Channel.fromJson(value as Map<String, dynamic>);
getChannel(overrideAlias: resp.alias);
}
});
},
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),
SizedBox(
width: SolianTheme.isLargeScreen(context) ? 8 : 16,
),
],
),
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body: Column(
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children: [
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if (_ongoingCall != null)
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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;
});
},
),
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),
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),
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),
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],
),
);
}
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@override
void dispose() {
_subscription?.cancel();
super.dispose();
}
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}