835 lines
31 KiB
Dart
835 lines
31 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'package:auto_route/auto_route.dart';
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import 'package:easy_localization/easy_localization.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:gap/gap.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:island/database/message.dart';
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import 'package:island/database/message_repository.dart';
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import 'package:island/models/chat.dart';
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import 'package:island/models/file.dart';
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import 'package:island/pods/config.dart';
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import 'package:island/pods/database.dart';
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import 'package:island/pods/network.dart';
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import 'package:island/pods/websocket.dart';
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import 'package:island/route.gr.dart';
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import 'package:island/screens/posts/compose.dart';
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import 'package:island/services/responsive.dart';
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import 'package:island/widgets/alert.dart';
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import 'package:island/widgets/app_scaffold.dart';
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import 'package:island/widgets/chat/message_item.dart';
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import 'package:island/widgets/content/cloud_files.dart';
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import 'package:island/widgets/response.dart';
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import 'package:material_symbols_icons/material_symbols_icons.dart';
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import 'package:styled_widget/styled_widget.dart';
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import 'package:uuid/uuid.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import 'package:riverpod_annotation/riverpod_annotation.dart';
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import 'chat.dart';
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part 'room.g.dart';
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final messageRepositoryProvider =
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FutureProvider.family<MessageRepository, String>((ref, roomId) async {
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final room = await ref.watch(chatroomProvider(roomId).future);
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final identity = await ref.watch(chatroomIdentityProvider(roomId).future);
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final apiClient = ref.watch(apiClientProvider);
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final database = ref.watch(databaseProvider);
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return MessageRepository(room!, identity!, apiClient, database);
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});
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@riverpod
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class MessagesNotifier extends _$MessagesNotifier {
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late final String _roomId;
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int _currentPage = 0;
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static const int _pageSize = 20;
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bool _hasMore = true;
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@override
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FutureOr<List<LocalChatMessage>> build(String roomId) async {
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_roomId = roomId;
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return await loadInitial();
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}
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Future<List<LocalChatMessage>> loadInitial() async {
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try {
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final repository = await ref.read(
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messageRepositoryProvider(_roomId).future,
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);
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final synced = await repository.syncMessages();
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final messages = await repository.listMessages(
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offset: 0,
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take: _pageSize,
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synced: synced,
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);
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_currentPage = 0;
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_hasMore = messages.length == _pageSize;
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return messages;
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} catch (_) {
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rethrow;
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}
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}
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Future<void> loadMore() async {
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if (!_hasMore || state is AsyncLoading) return;
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try {
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final currentMessages = state.value ?? [];
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_currentPage++;
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final repository = await ref.read(
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messageRepositoryProvider(_roomId).future,
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);
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final newMessages = await repository.listMessages(
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offset: _currentPage * _pageSize,
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take: _pageSize,
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);
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if (newMessages.isEmpty || newMessages.length < _pageSize) {
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_hasMore = false;
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}
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state = AsyncValue.data([...currentMessages, ...newMessages]);
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} catch (err) {
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showErrorAlert(err);
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_currentPage--;
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}
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}
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Future<void> sendMessage(
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String content,
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List<UniversalFile> attachments, {
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SnChatMessage? editingTo,
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SnChatMessage? forwardingTo,
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SnChatMessage? replyingTo,
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Function(String, Map<int, double>)? onProgress,
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}) async {
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try {
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final repository = await ref.read(
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messageRepositoryProvider(_roomId).future,
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);
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final baseUrl = ref.read(serverUrlProvider);
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final atk = await getFreshAtk(
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ref.watch(tokenPairProvider),
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baseUrl,
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onRefreshed: (atk, rtk) {
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setTokenPair(ref.watch(sharedPreferencesProvider), atk, rtk);
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ref.invalidate(tokenPairProvider);
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},
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);
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if (atk == null) throw ArgumentError('Access token is null');
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final currentMessages = state.value ?? [];
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await repository.sendMessage(
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atk,
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baseUrl,
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_roomId,
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content,
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const Uuid().v4(),
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attachments: attachments,
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editingTo: editingTo,
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forwardingTo: forwardingTo,
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replyingTo: replyingTo,
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onPending: (pending) {
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state = AsyncValue.data([pending, ...currentMessages]);
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},
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onProgress: onProgress,
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);
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// Refresh messages
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final messages = await repository.listMessages(
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offset: 0,
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take: _pageSize,
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);
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state = AsyncValue.data(messages);
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} catch (err) {
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showErrorAlert(err);
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}
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}
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Future<void> retryMessage(String pendingMessageId) async {
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try {
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final repository = await ref.read(
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messageRepositoryProvider(_roomId).future,
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);
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final updatedMessage = await repository.retryMessage(pendingMessageId);
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// Update the message in the list
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final currentMessages = state.value ?? [];
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final index = currentMessages.indexWhere((m) => m.id == pendingMessageId);
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if (index >= 0) {
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final newList = [...currentMessages];
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newList[index] = updatedMessage;
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state = AsyncValue.data(newList);
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}
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} catch (err) {
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showErrorAlert(err);
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}
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}
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Future<void> receiveMessage(SnChatMessage remoteMessage) async {
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try {
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final repository = await ref.read(
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messageRepositoryProvider(_roomId).future,
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);
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// Skip if this message is not for this room
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if (remoteMessage.chatRoomId != _roomId) return;
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final localMessage = await repository.receiveMessage(remoteMessage);
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// Add the new message to the state
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final currentMessages = state.value ?? [];
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// Check if the message already exists (by id or nonce)
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final existingIndex = currentMessages.indexWhere(
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(m) =>
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m.id == localMessage.id ||
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(localMessage.nonce != null && m.nonce == localMessage.nonce),
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);
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if (existingIndex >= 0) {
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// Replace existing message
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final newList = [...currentMessages];
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newList[existingIndex] = localMessage;
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state = AsyncValue.data(newList);
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} else {
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// Add new message at the beginning (newest first)
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state = AsyncValue.data([localMessage, ...currentMessages]);
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}
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} catch (err) {
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showErrorAlert(err);
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}
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}
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Future<void> receiveMessageUpdate(SnChatMessage remoteMessage) async {
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try {
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final repository = await ref.read(
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messageRepositoryProvider(_roomId).future,
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);
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// Skip if this message is not for this room
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if (remoteMessage.chatRoomId != _roomId) return;
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final updatedMessage = await repository.receiveMessageUpdate(
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remoteMessage,
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);
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// Update the message in the list
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final currentMessages = state.value ?? [];
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final index = currentMessages.indexWhere(
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(m) => m.id == updatedMessage.id,
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);
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if (index >= 0) {
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final newList = [...currentMessages];
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newList[index] = updatedMessage;
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state = AsyncValue.data(newList);
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}
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} catch (err) {
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showErrorAlert(err);
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}
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}
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Future<void> receiveMessageDeletion(String messageId) async {
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try {
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final repository = await ref.read(
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messageRepositoryProvider(_roomId).future,
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);
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await repository.receiveMessageDeletion(messageId);
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// Remove the message from the list
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final currentMessages = state.value ?? [];
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final filteredMessages =
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currentMessages.where((m) => m.id != messageId).toList();
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if (filteredMessages.length != currentMessages.length) {
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state = AsyncValue.data(filteredMessages);
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}
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} catch (err) {
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showErrorAlert(err);
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}
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}
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Future<void> deleteMessage(String messageId) async {
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try {
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final repository = await ref.read(
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messageRepositoryProvider(_roomId).future,
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);
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await repository.deleteMessage(messageId);
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// Remove the message from the list
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final currentMessages = state.value ?? [];
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final filteredMessages =
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currentMessages.where((m) => m.id != messageId).toList();
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if (filteredMessages.length != currentMessages.length) {
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state = AsyncValue.data(filteredMessages);
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}
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} catch (err) {
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showErrorAlert(err);
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}
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}
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Future<LocalChatMessage?> fetchMessageById(String messageId) async {
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try {
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final repository = await ref.read(
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messageRepositoryProvider(_roomId).future,
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);
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return await repository.getMessageById(messageId);
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} catch (err) {
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showErrorAlert(err);
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return null;
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}
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}
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}
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@RoutePage()
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class ChatRoomScreen extends HookConsumerWidget {
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final String id;
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const ChatRoomScreen({super.key, @PathParam("id") required this.id});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final chatRoom = ref.watch(chatroomProvider(id));
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final chatIdentity = ref.watch(chatroomIdentityProvider(id));
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final messages = ref.watch(messagesNotifierProvider(id));
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final messagesNotifier = ref.read(messagesNotifierProvider(id).notifier);
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final ws = ref.watch(websocketProvider);
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final messageController = useTextEditingController();
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final scrollController = useScrollController();
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final messageReplyingTo = useState<SnChatMessage?>(null);
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final messageForwardingTo = useState<SnChatMessage?>(null);
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final messageEditingTo = useState<SnChatMessage?>(null);
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final attachments = useState<List<UniversalFile>>([]);
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final attachmentProgress = useState<Map<String, Map<int, double>>>({});
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// Function to send read receipt
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void sendReadReceipt() async {
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// Send websocket packet
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final wsState = ref.read(websocketStateProvider.notifier);
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wsState.sendMessage(
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jsonEncode(
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WebSocketPacket(type: 'messages.read', data: {'chat_room_id': id}),
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),
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);
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}
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// Add scroll listener for pagination
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useEffect(() {
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void onScroll() {
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if (scrollController.position.pixels >=
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scrollController.position.maxScrollExtent - 200) {
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messagesNotifier.loadMore();
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}
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}
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scrollController.addListener(onScroll);
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return () => scrollController.removeListener(onScroll);
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}, [scrollController]);
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// Add websocket listener for new messages
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useEffect(() {
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void onMessage(WebSocketPacket pkt) {
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if (!pkt.type.startsWith('messages')) return;
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final message = SnChatMessage.fromJson(pkt.data!);
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if (message.chatRoomId != chatRoom.value?.id) return;
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switch (pkt.type) {
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case 'messages.new':
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messagesNotifier.receiveMessage(message);
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// Send read receipt for new message
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sendReadReceipt();
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case 'messages.update':
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messagesNotifier.receiveMessageUpdate(message);
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case 'messages.delete':
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messagesNotifier.receiveMessageDeletion(message.id);
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}
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}
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sendReadReceipt();
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final subscription = ws.dataStream.listen(onMessage);
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return () => subscription.cancel();
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}, [ws, chatRoom]);
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Future<void> pickPhotoMedia() async {
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final result = await ref
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.watch(imagePickerProvider)
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.pickMultiImage(requestFullMetadata: true);
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if (result.isEmpty) return;
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attachments.value = [
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...attachments.value,
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...result.map(
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(e) => UniversalFile(data: e, type: UniversalFileType.image),
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),
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];
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}
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Future<void> pickVideoMedia() async {
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final result = await ref
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.watch(imagePickerProvider)
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.pickVideo(source: ImageSource.gallery);
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if (result == null) return;
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attachments.value = [
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...attachments.value,
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UniversalFile(data: result, type: UniversalFileType.video),
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];
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}
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void sendMessage() {
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if (messageController.text.trim().isNotEmpty ||
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attachments.value.isNotEmpty) {
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messagesNotifier.sendMessage(
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messageController.text.trim(),
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attachments.value,
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editingTo: messageEditingTo.value,
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forwardingTo: messageForwardingTo.value,
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replyingTo: messageReplyingTo.value,
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onProgress: (messageId, progress) {
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attachmentProgress.value = {
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...attachmentProgress.value,
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messageId: progress,
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};
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},
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);
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messageController.clear();
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messageEditingTo.value = null;
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messageReplyingTo.value = null;
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messageForwardingTo.value = null;
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attachments.value = [];
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}
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}
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final compactHeader = isWideScreen(context);
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return Scaffold(
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appBar: AppBar(
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leading: !compactHeader ? const Center(child: PageBackButton()) : null,
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automaticallyImplyLeading: false,
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toolbarHeight: compactHeader ? null : 64,
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title: chatRoom.when(
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data:
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(room) =>
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compactHeader
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? Row(
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spacing: 8,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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SizedBox(
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height: 26,
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width: 26,
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child:
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(room!.type == 1 && room.pictureId == null)
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? SplitAvatarWidget(
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filesId:
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room.members!
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.map(
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(e) =>
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e.account.profile.pictureId,
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)
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.toList(),
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)
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: room.pictureId != null
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? ProfilePictureWidget(
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fileId: room.pictureId,
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fallbackIcon: Symbols.chat,
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)
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: CircleAvatar(
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child: Text(
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room.name![0].toUpperCase(),
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style: const TextStyle(fontSize: 12),
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),
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),
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),
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Text(
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(room.type == 1 && room.name == null)
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? room.members!
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.map((e) => e.account.nick)
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.join(', ')
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: room.name!,
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).fontSize(19),
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],
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)
|
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: Column(
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spacing: 4,
|
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mainAxisAlignment: MainAxisAlignment.center,
|
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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SizedBox(
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height: 26,
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width: 26,
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child:
|
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(room!.type == 1 && room.pictureId == null)
|
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? SplitAvatarWidget(
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|
filesId:
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room.members!
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|
.map(
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(e) =>
|
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e.account.profile.pictureId,
|
|
)
|
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.toList(),
|
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)
|
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: room.pictureId != null
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? ProfilePictureWidget(
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fileId: room.pictureId,
|
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fallbackIcon: Symbols.chat,
|
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)
|
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: CircleAvatar(
|
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child: Text(
|
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room.name![0].toUpperCase(),
|
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style: const TextStyle(fontSize: 12),
|
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),
|
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),
|
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),
|
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Text(
|
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(room.type == 1 && room.name == null)
|
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? room.members!
|
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.map((e) => e.account.nick)
|
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.join(', ')
|
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: room.name!,
|
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).fontSize(15),
|
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],
|
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),
|
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loading: () => const Text('Loading...'),
|
|
error:
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(err, __) => ResponseErrorWidget(
|
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error: err,
|
|
onRetry: () => messagesNotifier.loadInitial(),
|
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),
|
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),
|
|
actions: [
|
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IconButton(
|
|
icon: const Icon(Symbols.video_call),
|
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onPressed: () {
|
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showInfoAlert('Oops', 'Not implemented yet...');
|
|
},
|
|
),
|
|
IconButton(
|
|
icon: const Icon(Icons.more_vert),
|
|
onPressed: () {
|
|
context.router.push(ChatDetailRoute(id: id));
|
|
},
|
|
),
|
|
const Gap(8),
|
|
],
|
|
),
|
|
body: Column(
|
|
children: [
|
|
Expanded(
|
|
child: messages.when(
|
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data:
|
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(messageList) =>
|
|
messageList.isEmpty
|
|
? Center(child: Text('No messages yet'.tr()))
|
|
: ListView.builder(
|
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padding: EdgeInsets.symmetric(vertical: 16),
|
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controller: scrollController,
|
|
reverse: true, // Show newest messages at the bottom
|
|
itemCount: messageList.length,
|
|
itemBuilder: (context, index) {
|
|
final message = messageList[index];
|
|
final nextMessage =
|
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index < messageList.length - 1
|
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? messageList[index + 1]
|
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: null;
|
|
final isLastInGroup =
|
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nextMessage == null ||
|
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nextMessage.senderId != message.senderId;
|
|
|
|
return chatIdentity.when(
|
|
skipError: true,
|
|
data:
|
|
(identity) => MessageItem(
|
|
message: message,
|
|
isCurrentUser:
|
|
identity?.id == message.senderId,
|
|
onAction: (action) {
|
|
switch (action) {
|
|
case MessageItemAction.delete:
|
|
messagesNotifier.deleteMessage(
|
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message.id,
|
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);
|
|
case MessageItemAction.edit:
|
|
messageEditingTo.value =
|
|
message.toRemoteMessage();
|
|
messageController.text =
|
|
messageEditingTo
|
|
.value
|
|
?.content ??
|
|
'';
|
|
attachments.value =
|
|
messageEditingTo
|
|
.value!
|
|
.attachments
|
|
.map(
|
|
(e) =>
|
|
UniversalFile.fromAttachment(
|
|
e,
|
|
),
|
|
)
|
|
.toList();
|
|
case MessageItemAction.forward:
|
|
messageForwardingTo.value =
|
|
message.toRemoteMessage();
|
|
case MessageItemAction.reply:
|
|
messageReplyingTo.value =
|
|
message.toRemoteMessage();
|
|
}
|
|
},
|
|
progress:
|
|
attachmentProgress.value[message.id],
|
|
showAvatar: isLastInGroup,
|
|
),
|
|
loading:
|
|
() => MessageItem(
|
|
message: message,
|
|
isCurrentUser: false,
|
|
onAction: null,
|
|
progress: null,
|
|
showAvatar: false,
|
|
),
|
|
error: (_, __) => const SizedBox.shrink(),
|
|
);
|
|
},
|
|
),
|
|
loading: () => const Center(child: CircularProgressIndicator()),
|
|
error:
|
|
(error, _) => ResponseErrorWidget(
|
|
error: error,
|
|
onRetry: () => messagesNotifier.loadInitial(),
|
|
),
|
|
),
|
|
),
|
|
chatRoom.when(
|
|
data:
|
|
(room) => _ChatInput(
|
|
messageController: messageController,
|
|
chatRoom: room!,
|
|
onSend: sendMessage,
|
|
onClear: () {
|
|
if (messageEditingTo.value != null) {
|
|
attachments.value.clear();
|
|
messageController.clear();
|
|
}
|
|
messageEditingTo.value = null;
|
|
messageReplyingTo.value = null;
|
|
messageForwardingTo.value = null;
|
|
},
|
|
messageEditingTo: messageEditingTo.value,
|
|
messageReplyingTo: messageReplyingTo.value,
|
|
messageForwardingTo: messageForwardingTo.value,
|
|
onPickFile: (bool isPhoto) {
|
|
if (isPhoto) {
|
|
pickPhotoMedia();
|
|
} else {
|
|
pickVideoMedia();
|
|
}
|
|
},
|
|
attachments: attachments.value,
|
|
onUploadAttachment: (_) {
|
|
// not going to do anything, only upload when send the message
|
|
},
|
|
onDeleteAttachment: (index) async {
|
|
final attachment = attachments.value[index];
|
|
if (attachment.isOnCloud) {
|
|
final client = ref.watch(apiClientProvider);
|
|
await client.delete('/files/${attachment.data.id}');
|
|
}
|
|
final clone = List.of(attachments.value);
|
|
clone.removeAt(index);
|
|
attachments.value = clone;
|
|
},
|
|
onMoveAttachment: (idx, delta) {
|
|
if (idx + delta < 0 ||
|
|
idx + delta >= attachments.value.length) {
|
|
return;
|
|
}
|
|
final clone = List.of(attachments.value);
|
|
clone.insert(idx + delta, clone.removeAt(idx));
|
|
attachments.value = clone;
|
|
},
|
|
),
|
|
error: (_, __) => const SizedBox.shrink(),
|
|
loading: () => const SizedBox.shrink(),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|
|
|
|
class _ChatInput extends StatelessWidget {
|
|
final TextEditingController messageController;
|
|
final SnChatRoom chatRoom;
|
|
final VoidCallback onSend;
|
|
final VoidCallback onClear;
|
|
final Function(bool isPhoto) onPickFile;
|
|
final SnChatMessage? messageReplyingTo;
|
|
final SnChatMessage? messageForwardingTo;
|
|
final SnChatMessage? messageEditingTo;
|
|
final List<UniversalFile> attachments;
|
|
final Function(int) onUploadAttachment;
|
|
final Function(int) onDeleteAttachment;
|
|
final Function(int, int) onMoveAttachment;
|
|
|
|
const _ChatInput({
|
|
required this.messageController,
|
|
required this.chatRoom,
|
|
required this.onSend,
|
|
required this.onClear,
|
|
required this.onPickFile,
|
|
required this.messageReplyingTo,
|
|
required this.messageForwardingTo,
|
|
required this.messageEditingTo,
|
|
required this.attachments,
|
|
required this.onUploadAttachment,
|
|
required this.onDeleteAttachment,
|
|
required this.onMoveAttachment,
|
|
});
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Material(
|
|
elevation: 8,
|
|
color: Theme.of(context).colorScheme.surface,
|
|
child: Column(
|
|
children: [
|
|
if (attachments.isNotEmpty)
|
|
SizedBox(
|
|
height: 280,
|
|
child: ListView.separated(
|
|
padding: EdgeInsets.symmetric(horizontal: 12),
|
|
scrollDirection: Axis.horizontal,
|
|
itemCount: attachments.length,
|
|
itemBuilder: (context, idx) {
|
|
return AttachmentPreview(
|
|
item: attachments[idx],
|
|
onRequestUpload: () => onUploadAttachment(idx),
|
|
onDelete: () => onDeleteAttachment(idx),
|
|
onMove: (delta) => onMoveAttachment(idx, delta),
|
|
);
|
|
},
|
|
separatorBuilder: (_, __) => const Gap(8),
|
|
),
|
|
),
|
|
if (messageReplyingTo != null ||
|
|
messageForwardingTo != null ||
|
|
messageEditingTo != null)
|
|
Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 16),
|
|
decoration: BoxDecoration(
|
|
color: Theme.of(context).colorScheme.surfaceContainer,
|
|
borderRadius: BorderRadius.circular(8),
|
|
),
|
|
margin: const EdgeInsets.only(left: 8, right: 8, top: 8),
|
|
child: Row(
|
|
children: [
|
|
Icon(
|
|
messageReplyingTo != null
|
|
? Symbols.reply
|
|
: messageForwardingTo != null
|
|
? Symbols.forward
|
|
: Symbols.edit,
|
|
size: 20,
|
|
color: Theme.of(context).colorScheme.primary,
|
|
),
|
|
const Gap(8),
|
|
Expanded(
|
|
child: Text(
|
|
messageReplyingTo != null
|
|
? 'Replying to ${messageReplyingTo?.sender.account.nick}'
|
|
: messageForwardingTo != null
|
|
? 'Forwarding message'
|
|
: 'Editing message',
|
|
style: Theme.of(context).textTheme.bodySmall,
|
|
maxLines: 1,
|
|
overflow: TextOverflow.ellipsis,
|
|
),
|
|
),
|
|
IconButton(
|
|
icon: const Icon(Icons.close, size: 20),
|
|
onPressed: onClear,
|
|
padding: EdgeInsets.zero,
|
|
style: ButtonStyle(
|
|
minimumSize: WidgetStatePropertyAll(Size(28, 28)),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
Padding(
|
|
padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 8),
|
|
child: Row(
|
|
children: [
|
|
PopupMenuButton(
|
|
icon: const Icon(Symbols.photo_library),
|
|
itemBuilder:
|
|
(context) => [
|
|
PopupMenuItem(
|
|
onTap: () => onPickFile(true),
|
|
child: Row(
|
|
spacing: 12,
|
|
children: [
|
|
const Icon(Symbols.photo),
|
|
Text('addPhoto').tr(),
|
|
],
|
|
),
|
|
),
|
|
PopupMenuItem(
|
|
onTap: () => onPickFile(false),
|
|
child: Row(
|
|
spacing: 12,
|
|
children: [
|
|
const Icon(Symbols.video_call),
|
|
Text('addVideo').tr(),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
Expanded(
|
|
child: TextField(
|
|
controller: messageController,
|
|
decoration: InputDecoration(
|
|
hintText:
|
|
(chatRoom.type == 1 && chatRoom.name == null)
|
|
? 'chatDirectMessageHint'.tr(
|
|
args: [
|
|
chatRoom.members!
|
|
.map((e) => e.account.nick)
|
|
.join(', '),
|
|
],
|
|
)
|
|
: 'chatMessageHint'.tr(args: [chatRoom.name!]),
|
|
border: InputBorder.none,
|
|
isDense: true,
|
|
contentPadding: const EdgeInsets.symmetric(
|
|
horizontal: 12,
|
|
vertical: 4,
|
|
),
|
|
),
|
|
maxLines: null,
|
|
onTapOutside:
|
|
(_) => FocusManager.instance.primaryFocus?.unfocus(),
|
|
onSubmitted: (_) => onSend(),
|
|
),
|
|
),
|
|
IconButton(
|
|
icon: const Icon(Icons.send),
|
|
color: Theme.of(context).colorScheme.primary,
|
|
onPressed: onSend,
|
|
),
|
|
],
|
|
).padding(bottom: MediaQuery.of(context).padding.bottom),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|