112 lines
3.6 KiB
Dart
112 lines
3.6 KiB
Dart
import 'package:easy_localization/easy_localization.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:styled_widget/styled_widget.dart';
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import 'package:surface/controllers/chat_message_controller.dart';
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import 'package:surface/providers/channel.dart';
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import 'package:surface/types/chat.dart';
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import 'package:surface/widgets/chat/chat_message.dart';
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import 'package:surface/widgets/chat/chat_message_input.dart';
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import 'package:surface/widgets/dialog.dart';
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import 'package:surface/widgets/loading_indicator.dart';
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import 'package:very_good_infinite_list/very_good_infinite_list.dart';
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class ChatRoomScreen extends StatefulWidget {
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final String scope;
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final String alias;
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const ChatRoomScreen({super.key, required this.scope, required this.alias});
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@override
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State<ChatRoomScreen> createState() => _ChatRoomScreenState();
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}
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class _ChatRoomScreenState extends State<ChatRoomScreen> {
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bool _isBusy = false;
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SnChannel? _channel;
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late final ChatMessageController _messageController;
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Future<void> _fetchChannel() async {
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setState(() => _isBusy = true);
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try {
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final chan = context.read<ChatChannelProvider>();
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_channel = await chan.getChannel('${widget.scope}:${widget.alias}');
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} catch (err) {
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if (!mounted) return;
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context.showErrorDialog(err);
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} finally {
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setState(() => _isBusy = false);
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}
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}
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@override
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void initState() {
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super.initState();
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_messageController = ChatMessageController(context);
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_fetchChannel().then((_) async {
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await _messageController.initialize(_channel!);
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await _messageController.checkUpdate();
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});
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}
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@override
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void dispose() {
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text(_channel?.name ?? 'loading'.tr()),
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),
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body: ListenableBuilder(
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listenable: _messageController,
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builder: (context, _) {
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return Column(
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children: [
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LoadingIndicator(isActive: _isBusy),
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if (_messageController.isPending)
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Expanded(
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child: const CircularProgressIndicator().center(),
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),
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if (!_messageController.isPending)
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Expanded(
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child: InfiniteList(
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reverse: true,
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padding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 12,
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),
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hasReachedMax: _messageController.isAllLoaded,
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itemCount: _messageController.messages.length,
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isLoading: _messageController.isLoading,
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onFetchData: () {
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_messageController.loadMessages();
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},
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itemBuilder: (context, idx) {
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final message = _messageController.messages[idx];
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return ChatMessage(
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data: message,
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isPending: _messageController.unconfirmedMessages
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.contains(message.uuid),
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);
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},
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),
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),
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if (!_messageController.isPending)
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Material(
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elevation: 2,
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child: ChatMessageInput(controller: _messageController)
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.padding(bottom: MediaQuery.of(context).padding.bottom),
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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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}
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}
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