884 lines
30 KiB
Dart
884 lines
30 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'dart:async';
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import '../../blocs/user/user_bloc.dart';
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import '../../blocs/user/user_state.dart' as user_state;
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import '../../blocs/message/message_bloc.dart';
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import '../../blocs/message/message_event.dart';
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import '../../blocs/message/message_state.dart';
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import '../../models/group.dart';
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import '../../models/group_member.dart';
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import '../../models/message.dart';
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import '../../repositories/group_repository.dart';
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import '../../services/error_service.dart';
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/// Chat group content widget for group messaging functionality.
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///
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/// This widget provides a complete chat interface for group members to
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/// communicate within a travel group. Features include:
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/// - Real-time message loading and sending
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/// - Message editing and deletion
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/// - Message reactions (like/unlike)
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/// - Scroll-to-bottom functionality
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/// - Message status indicators
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///
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/// The widget integrates with MessageBloc for state management and
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/// handles various message operations through the bloc pattern.
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class ChatGroupContent extends StatefulWidget {
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/// The group for which to display the chat interface
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final Group group;
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/// Creates a chat group content widget.
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///
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/// Args:
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/// [group]: The group object containing group details and ID
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const ChatGroupContent({super.key, required this.group});
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@override
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State<ChatGroupContent> createState() => _ChatGroupContentState();
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}
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class _ChatGroupContentState extends State<ChatGroupContent> {
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/// Controller for the message input field
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final _messageController = TextEditingController();
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/// Controller for managing scroll position in the message list
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final _scrollController = ScrollController();
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/// Currently selected message for editing (null if not editing)
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Message? _editingMessage;
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/// Repository pour gérer les groupes
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final _groupRepository = GroupRepository();
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/// Subscription pour écouter les changements des membres du groupe
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late StreamSubscription<List<GroupMember>> _membersSubscription;
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@override
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void initState() {
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super.initState();
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// Load messages when the widget initializes
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context.read<MessageBloc>().add(LoadMessages(widget.group.id));
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// Écouter les changements des membres du groupe
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_membersSubscription = _groupRepository
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.watchGroupMembers(widget.group.id)
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.listen((updatedMembers) {
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if (mounted) {
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setState(() {
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widget.group.members.clear();
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widget.group.members.addAll(updatedMembers);
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});
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}
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});
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}
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@override
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void dispose() {
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_messageController.dispose();
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_scrollController.dispose();
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_membersSubscription.cancel();
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super.dispose();
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}
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/// Sends a new message or updates an existing message.
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///
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/// Handles both sending new messages and editing existing ones based
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/// on the current editing state. Validates input and clears the input
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/// field after successful submission.
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///
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/// Args:
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/// [currentUser]: The user sending or editing the message
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void _sendMessage(user_state.UserModel currentUser) {
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final messageText = _messageController.text.trim();
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if (messageText.isEmpty) return;
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if (_editingMessage != null) {
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// Edit mode - update existing message
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context.read<MessageBloc>().add(
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UpdateMessage(
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groupId: widget.group.id,
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messageId: _editingMessage!.id,
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newText: messageText,
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),
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);
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_cancelEdit();
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} else {
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// Send mode - create new message
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context.read<MessageBloc>().add(
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SendMessage(
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groupId: widget.group.id,
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text: messageText,
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senderId: currentUser.id,
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senderName: currentUser.prenom,
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),
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);
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}
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_messageController.clear();
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}
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/// Initiates editing mode for a selected message.
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///
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/// Sets the message as the currently editing message and populates
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/// the input field with the message text for modification.
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///
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/// Args:
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/// [message]: The message to edit
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void _editMessage(Message message) {
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setState(() {
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_editingMessage = message;
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_messageController.text = message.text;
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});
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}
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/// Cancels the current editing operation.
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///
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/// Resets the editing state and clears the input field,
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/// returning to normal message sending mode.
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void _cancelEdit() {
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setState(() {
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_editingMessage = null;
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_messageController.clear();
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});
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}
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/// Deletes a message from the group chat.
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///
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/// Sends a delete event to the MessageBloc to remove the specified
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/// message from the group's message history.
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///
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/// Args:
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/// [messageId]: The ID of the message to delete
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void _deleteMessage(String messageId) {
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context.read<MessageBloc>().add(
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DeleteMessage(groupId: widget.group.id, messageId: messageId),
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);
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}
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void _reactToMessage(String messageId, String userId, String reaction) {
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context.read<MessageBloc>().add(
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ReactToMessage(
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groupId: widget.group.id,
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messageId: messageId,
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userId: userId,
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reaction: reaction,
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),
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);
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}
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void _removeReaction(String messageId, String userId) {
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context.read<MessageBloc>().add(
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RemoveReaction(
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groupId: widget.group.id,
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messageId: messageId,
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userId: userId,
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),
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);
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}
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@override
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Widget build(BuildContext context) {
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final isDark = Theme.of(context).brightness == Brightness.dark;
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return BlocBuilder<UserBloc, user_state.UserState>(
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builder: (context, userState) {
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if (userState is! user_state.UserLoaded) {
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return Scaffold(
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appBar: AppBar(title: Text(widget.group.name)),
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body: const Center(child: Text('Utilisateur non connecté')),
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);
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}
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final currentUser = userState.user;
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return Scaffold(
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appBar: AppBar(
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title: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(widget.group.name, style: const TextStyle(fontSize: 18)),
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Text(
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'${widget.group.members.length} membre${widget.group.members.length > 1 ? 's' : ''}',
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style: const TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.normal,
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),
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),
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],
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),
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actions: [
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IconButton(
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icon: const Icon(Icons.people),
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onPressed: () => _showMembersDialog(context),
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),
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],
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),
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body: Column(
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children: [
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// Liste des messages
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Expanded(
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child: BlocConsumer<MessageBloc, MessageState>(
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listener: (context, state) {
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if (state is MessageError) {
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ErrorService().showError(message: state.message);
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}
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},
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builder: (context, state) {
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if (state is MessageLoading) {
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return const Center(child: CircularProgressIndicator());
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}
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if (state is MessagesLoaded) {
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if (state.messages.isEmpty) {
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return _buildEmptyState();
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}
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// Scroller automatiquement vers le bas au chargement
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (_scrollController.hasClients) {
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_scrollController.jumpTo(
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_scrollController.position.maxScrollExtent,
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);
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}
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});
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return ListView.builder(
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controller: _scrollController,
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padding: const EdgeInsets.all(16),
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itemCount: state.messages.length,
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itemBuilder: (context, index) {
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final message = state.messages[index];
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final isMe = message.senderId == currentUser.id;
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final showDate =
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index == 0 ||
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!_isSameDay(
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state.messages[index - 1].timestamp,
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message.timestamp,
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);
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return Column(
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children: [
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if (showDate)
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_buildDateSeparator(message.timestamp),
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_buildMessageBubble(
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message,
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isMe,
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isDark,
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currentUser.id,
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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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return _buildEmptyState();
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},
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),
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),
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// Barre d'édition si un message est en cours de modification
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if (_editingMessage != null)
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Container(
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color: isDark ? Colors.blue[900] : Colors.blue[100],
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padding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 8,
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),
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child: Row(
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children: [
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const Icon(Icons.edit, size: 20),
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const SizedBox(width: 8),
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const Expanded(child: Text('Modification du message')),
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IconButton(
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icon: const Icon(Icons.close),
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onPressed: _cancelEdit,
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),
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],
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),
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),
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// Zone de saisie
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Container(
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decoration: BoxDecoration(
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color: Theme.of(context).scaffoldBackgroundColor,
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border: Border(
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top: BorderSide(
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color: isDark ? Colors.grey[800]! : Colors.grey[300]!,
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width: 1,
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),
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),
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),
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
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child: SafeArea(
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child: Row(
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children: [
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Expanded(
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child: TextField(
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controller: _messageController,
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decoration: InputDecoration(
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hintText: _editingMessage != null
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? 'Modifier le message...'
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: 'Écrire un message...',
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filled: true,
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fillColor: isDark
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? Colors.grey[850]
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: Colors.grey[100],
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(24),
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borderSide: BorderSide.none,
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 12,
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),
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),
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maxLines: null,
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textCapitalization: TextCapitalization.sentences,
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),
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),
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const SizedBox(width: 8),
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IconButton(
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onPressed: () => _sendMessage(currentUser),
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icon: Icon(
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_editingMessage != null ? Icons.check : Icons.send,
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),
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style: IconButton.styleFrom(
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backgroundColor: Theme.of(
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context,
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).colorScheme.primary,
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foregroundColor: Colors.white,
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padding: const EdgeInsets.all(12),
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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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);
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},
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);
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}
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Widget _buildEmptyState() {
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return Center(
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child: Padding(
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padding: const EdgeInsets.all(32),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.chat_bubble_outline, size: 80, color: Colors.grey[400]),
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const SizedBox(height: 16),
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const Text(
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'Aucun message',
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style: TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 8),
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Text(
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'Commencez la conversation !',
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textAlign: TextAlign.center,
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style: TextStyle(fontSize: 14, color: Colors.grey[600]),
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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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Widget _buildMessageBubble(
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Message message,
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bool isMe,
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bool isDark,
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String currentUserId,
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) {
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final Color bubbleColor;
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final Color textColor;
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if (isMe) {
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bubbleColor = isDark ? const Color(0xFF1E3A5F) : const Color(0xFF90CAF9);
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textColor = isDark ? Colors.white : Colors.black87;
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} else {
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bubbleColor = isDark ? Colors.grey[800]! : Colors.grey[200]!;
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textColor = isDark ? Colors.white : Colors.black87;
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}
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// Trouver le membre qui a envoyé le message pour récupérer son pseudo actuel
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final senderMember =
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widget.group.members.firstWhere(
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(m) => m.userId == message.senderId,
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orElse: () => null as dynamic,
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)
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as dynamic;
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// Utiliser le pseudo actuel du membre, ou le senderName en fallback
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final displayName = senderMember != null
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? senderMember.pseudo
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: message.senderName;
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return Align(
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alignment: isMe ? Alignment.centerRight : Alignment.centerLeft,
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child: GestureDetector(
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onLongPress: () =>
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_showMessageOptions(context, message, isMe, currentUserId),
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child: Padding(
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padding: EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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child: Row(
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mainAxisAlignment: isMe
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? MainAxisAlignment.end
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: MainAxisAlignment.start,
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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// Avatar du sender (seulement pour les autres messages)
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if (!isMe) ...[
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CircleAvatar(
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radius: 16,
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backgroundImage:
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(senderMember != null &&
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senderMember.profilePictureUrl != null &&
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senderMember.profilePictureUrl!.isNotEmpty)
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? NetworkImage(senderMember.profilePictureUrl!)
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: null,
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child:
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(senderMember == null ||
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senderMember.profilePictureUrl == null ||
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senderMember.profilePictureUrl!.isEmpty)
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? Text(
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displayName.isNotEmpty
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? displayName[0].toUpperCase()
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: '?',
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style: const TextStyle(fontSize: 12),
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)
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: null,
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),
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const SizedBox(width: 8),
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],
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Container(
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margin: const EdgeInsets.symmetric(vertical: 4),
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padding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 10,
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),
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constraints: BoxConstraints(
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maxWidth: MediaQuery.of(context).size.width * 0.65,
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),
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decoration: BoxDecoration(
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color: bubbleColor,
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borderRadius: BorderRadius.only(
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topLeft: const Radius.circular(16),
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topRight: const Radius.circular(16),
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bottomLeft: Radius.circular(isMe ? 16 : 4),
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bottomRight: Radius.circular(isMe ? 4 : 16),
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),
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),
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child: Column(
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crossAxisAlignment: isMe
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? CrossAxisAlignment.end
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: CrossAxisAlignment.start,
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children: [
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if (!isMe) ...[
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Text(
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displayName,
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.bold,
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color: isDark ? Colors.grey[400] : Colors.grey[700],
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),
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),
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const SizedBox(height: 4),
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],
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Text(
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message.isDeleted
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? 'a supprimé un message'
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: message.text,
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style: TextStyle(
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fontSize: 15,
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color: message.isDeleted
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? textColor.withValues(alpha: 0.5)
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: textColor,
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fontStyle: message.isDeleted
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? FontStyle.italic
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: FontStyle.normal,
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),
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),
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const SizedBox(height: 4),
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Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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_formatTime(message.timestamp),
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style: TextStyle(
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fontSize: 11,
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color: textColor.withValues(alpha: 0.7),
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),
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),
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if (message.isEdited) ...[
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const SizedBox(width: 4),
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Text(
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'(modifié)',
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style: TextStyle(
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fontSize: 10,
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fontStyle: FontStyle.italic,
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color: textColor.withValues(alpha: 0.6),
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),
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),
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],
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],
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),
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// Afficher les réactions
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if (message.reactions.isNotEmpty)
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Padding(
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padding: const EdgeInsets.only(top: 4),
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child: Wrap(
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spacing: 4,
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children: _buildReactionChips(message, currentUserId),
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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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),
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);
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}
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List<Widget> _buildReactionChips(Message message, String currentUserId) {
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final reactionCounts = <String, List<String>>{};
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// Grouper les réactions par emoji
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message.reactions.forEach((userId, emoji) {
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reactionCounts.putIfAbsent(emoji, () => []).add(userId);
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});
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return reactionCounts.entries.map((entry) {
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final emoji = entry.key;
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final userIds = entry.value;
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final hasReacted = userIds.contains(currentUserId);
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return GestureDetector(
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onTap: () {
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if (hasReacted) {
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_removeReaction(message.id, currentUserId);
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} else {
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_reactToMessage(message.id, currentUserId, emoji);
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}
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},
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
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decoration: BoxDecoration(
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color: hasReacted
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? Colors.blue.withValues(alpha: 0.3)
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: Colors.grey.withValues(alpha: 0.3),
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borderRadius: BorderRadius.circular(12),
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border: hasReacted
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|
? Border.all(color: Colors.blue, width: 1)
|
|
: null,
|
|
),
|
|
child: Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
Text(emoji, style: const TextStyle(fontSize: 12)),
|
|
const SizedBox(width: 2),
|
|
Text(
|
|
'${userIds.length}',
|
|
style: const TextStyle(
|
|
fontSize: 10,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}).toList();
|
|
}
|
|
|
|
void _showMessageOptions(
|
|
BuildContext context,
|
|
Message message,
|
|
bool isMe,
|
|
String currentUserId,
|
|
) {
|
|
showModalBottomSheet(
|
|
context: context,
|
|
builder: (context) => SafeArea(
|
|
child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
// Réactions rapides
|
|
Padding(
|
|
padding: const EdgeInsets.all(16),
|
|
child: Row(
|
|
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
|
|
children: ['👍', '❤️', '😂', '😮', '😢', '🔥'].map((emoji) {
|
|
return GestureDetector(
|
|
onTap: () {
|
|
Navigator.pop(context);
|
|
_reactToMessage(message.id, currentUserId, emoji);
|
|
},
|
|
child: Text(emoji, style: const TextStyle(fontSize: 32)),
|
|
);
|
|
}).toList(),
|
|
),
|
|
),
|
|
const Divider(height: 1),
|
|
if (isMe) ...[
|
|
ListTile(
|
|
leading: const Icon(Icons.edit),
|
|
title: const Text('Modifier'),
|
|
onTap: () {
|
|
Navigator.pop(context);
|
|
_editMessage(message);
|
|
},
|
|
),
|
|
ListTile(
|
|
leading: const Icon(Icons.delete, color: Colors.red),
|
|
title: const Text(
|
|
'Supprimer',
|
|
style: TextStyle(color: Colors.red),
|
|
),
|
|
onTap: () {
|
|
Navigator.pop(context);
|
|
_showDeleteConfirmation(context, message.id);
|
|
},
|
|
),
|
|
],
|
|
ListTile(
|
|
leading: const Icon(Icons.close),
|
|
title: const Text('Annuler'),
|
|
onTap: () => Navigator.pop(context),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
void _showDeleteConfirmation(BuildContext context, String messageId) {
|
|
showDialog(
|
|
context: context,
|
|
builder: (context) => AlertDialog(
|
|
title: const Text('Supprimer le message'),
|
|
content: const Text('Êtes-vous sûr de vouloir supprimer ce message ?'),
|
|
actions: [
|
|
TextButton(
|
|
onPressed: () => Navigator.pop(context),
|
|
child: const Text('Annuler'),
|
|
),
|
|
TextButton(
|
|
onPressed: () {
|
|
Navigator.pop(context);
|
|
_deleteMessage(messageId);
|
|
},
|
|
style: TextButton.styleFrom(foregroundColor: Colors.red),
|
|
child: const Text('Supprimer'),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
// Helpers pour les dates
|
|
bool _isSameDay(DateTime date1, DateTime date2) {
|
|
return date1.year == date2.year &&
|
|
date1.month == date2.month &&
|
|
date1.day == date2.day;
|
|
}
|
|
|
|
String _formatTime(DateTime date) {
|
|
final hour = date.hour.toString().padLeft(2, '0');
|
|
final minute = date.minute.toString().padLeft(2, '0');
|
|
return '$hour:$minute';
|
|
}
|
|
|
|
String _formatDate(DateTime date) {
|
|
final now = DateTime.now();
|
|
final today = DateTime(now.year, now.month, now.day);
|
|
final yesterday = today.subtract(const Duration(days: 1));
|
|
final messageDate = DateTime(date.year, date.month, date.day);
|
|
|
|
if (messageDate == today) {
|
|
return 'Aujourd\'hui';
|
|
} else if (messageDate == yesterday) {
|
|
return 'Hier';
|
|
} else {
|
|
return '${date.day}/${date.month}/${date.year}';
|
|
}
|
|
}
|
|
|
|
Widget _buildDateSeparator(DateTime date) {
|
|
return Padding(
|
|
padding: const EdgeInsets.symmetric(vertical: 16),
|
|
child: Center(
|
|
child: Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
|
|
decoration: BoxDecoration(
|
|
color: Colors.grey.withValues(alpha: 0.3),
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
child: Text(
|
|
_formatDate(date),
|
|
style: const TextStyle(fontSize: 12, fontWeight: FontWeight.w500),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
void _showMembersDialog(BuildContext context) {
|
|
showDialog(
|
|
context: context,
|
|
builder: (context) => AlertDialog(
|
|
title: Text('Membres (${widget.group.members.length})'),
|
|
content: SizedBox(
|
|
width: double.maxFinite,
|
|
child: ListView.builder(
|
|
shrinkWrap: true,
|
|
itemCount: widget.group.members.length,
|
|
itemBuilder: (context, index) {
|
|
final member = widget.group.members[index];
|
|
final initials = member.pseudo.isNotEmpty
|
|
? member.pseudo[0].toUpperCase()
|
|
: (member.firstName.isNotEmpty
|
|
? member.firstName[0].toUpperCase()
|
|
: '?');
|
|
|
|
// Construire le nom complet
|
|
final fullName = '${member.firstName} ${member.lastName}'.trim();
|
|
|
|
return ListTile(
|
|
leading: CircleAvatar(
|
|
backgroundImage:
|
|
(member.profilePictureUrl != null &&
|
|
member.profilePictureUrl!.isNotEmpty)
|
|
? NetworkImage(member.profilePictureUrl!)
|
|
: null,
|
|
child:
|
|
(member.profilePictureUrl == null ||
|
|
member.profilePictureUrl!.isEmpty)
|
|
? Text(initials)
|
|
: null,
|
|
),
|
|
title: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(member.pseudo),
|
|
if (fullName.isNotEmpty)
|
|
Text(
|
|
fullName,
|
|
style: const TextStyle(
|
|
fontSize: 12,
|
|
fontWeight: FontWeight.normal,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
subtitle: member.role == 'admin'
|
|
? const Text(
|
|
'Administrateur',
|
|
style: TextStyle(fontSize: 12),
|
|
)
|
|
: null,
|
|
trailing: IconButton(
|
|
icon: const Icon(Icons.edit, size: 18),
|
|
onPressed: () {
|
|
Navigator.pop(context);
|
|
_showChangePseudoDialog(member);
|
|
},
|
|
),
|
|
);
|
|
},
|
|
),
|
|
),
|
|
actions: [
|
|
TextButton(
|
|
onPressed: () => Navigator.pop(context),
|
|
child: const Text('Fermer'),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
void _showChangePseudoDialog(dynamic member) {
|
|
final pseudoController = TextEditingController(text: member.pseudo);
|
|
final theme = Theme.of(context);
|
|
|
|
showDialog(
|
|
context: context,
|
|
builder: (context) => AlertDialog(
|
|
backgroundColor:
|
|
theme.dialogTheme.backgroundColor ?? theme.colorScheme.surface,
|
|
title: Text(
|
|
'Changer le pseudo',
|
|
style: theme.textTheme.titleLarge?.copyWith(
|
|
color: theme.colorScheme.onSurface,
|
|
),
|
|
),
|
|
content: TextField(
|
|
controller: pseudoController,
|
|
decoration: InputDecoration(
|
|
hintText: 'Nouveau pseudo',
|
|
border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
|
|
contentPadding: const EdgeInsets.symmetric(
|
|
horizontal: 16,
|
|
vertical: 12,
|
|
),
|
|
),
|
|
style: TextStyle(color: theme.colorScheme.onSurface),
|
|
),
|
|
actions: [
|
|
TextButton(
|
|
onPressed: () => Navigator.pop(context),
|
|
child: Text(
|
|
'Annuler',
|
|
style: TextStyle(color: theme.colorScheme.primary),
|
|
),
|
|
),
|
|
TextButton(
|
|
onPressed: () {
|
|
final newPseudo = pseudoController.text.trim();
|
|
if (newPseudo.isNotEmpty) {
|
|
_updateMemberPseudo(member, newPseudo);
|
|
Navigator.pop(context);
|
|
}
|
|
},
|
|
child: Text(
|
|
'Valider',
|
|
style: TextStyle(color: theme.colorScheme.primary),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
|
|
Future<void> _updateMemberPseudo(dynamic member, String newPseudo) async {
|
|
try {
|
|
final updatedMember = member.copyWith(pseudo: newPseudo);
|
|
await _groupRepository.addMember(widget.group.id, updatedMember);
|
|
|
|
if (mounted) {
|
|
// Le stream listener va automatiquement mettre à jour les membres
|
|
// Pas besoin de fermer le dialog ou de faire un refresh manuel
|
|
|
|
ErrorService().showSnackbar(
|
|
message: 'Pseudo modifié en "$newPseudo"',
|
|
isError: false,
|
|
);
|
|
}
|
|
} catch (e) {
|
|
if (mounted) {
|
|
ErrorService().showError(
|
|
message: 'Erreur lors de la modification du pseudo: $e',
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|