Implement message deletion functionality: add isDeleted flag to Message model, update deleteMessage method in MessageRepository, and adjust chat display for deleted messages.

lib/components/account/account_content.dart

@@ -28,8 +28,9 @@ import '../../blocs/account/account_state.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:travel_mate/components/error/error_content.dart';
 import '../../blocs/user/user_state.dart' as user_state;
-import '../../repositories/group_repository.dart'; // Ajouter cet import
-import 'group_expenses_page.dart'; // Ajouter cet import
+import '../../repositories/group_repository.dart';
+import '../widgets/user_state_widget.dart';
+import 'group_expenses_page.dart';
 
 /// Widget that displays the account content page with account management functionality.
 class AccountContent extends StatefulWidget {
@@ -132,33 +133,13 @@ class _AccountContentState extends State<AccountContent> {
   ///   Widget representing the complete account page UI
   @override
   Widget build(BuildContext context) {
-    return BlocBuilder<UserBloc, user_state.UserState>(
-      builder: (context, userState) {
-        if (userState is user_state.UserLoading) {
-          return const Scaffold(
-            body: Center(child: CircularProgressIndicator()),
-          );
-        }
-
-        if (userState is user_state.UserError) {
-          return ErrorContent(
-            message: 'User error: ${userState.message}',
-            onRetry: () {},
-          ); 
-        }
-
-        if (userState is! user_state.UserLoaded) {
-          return const Scaffold(
-            body: Center(child: Text('User not connected')),
-          );
-        }
-        final user = userState.user;
-
+    return UserStateWrapper(
+      builder: (context, user) {
         return BlocConsumer<AccountBloc, AccountState>(
           listener: (context, accountState) {
             if (accountState is AccountError) {
               ErrorContent(
-                message: 'Account loading error: ${accountState.message}',
+                message: 'Erreur de chargement des comptes : ${accountState.message}',
                 onRetry: () {
                   context.read<AccountBloc>().add(LoadAccountsByUserId(user.id));
                 },
@@ -167,11 +148,21 @@ class _AccountContentState extends State<AccountContent> {
           },
           builder: (context, accountState) {
             return Scaffold(
-                body: SafeArea(child: _buildContent(accountState, user.id))
-              );
+              body: SafeArea(child: _buildContent(accountState, user.id)),
+            );
           },
         );
       },
+      loadingWidget: const Scaffold(
+        body: Center(child: CircularProgressIndicator()),
+      ),
+      errorWidget: ErrorContent(
+        message: 'User error',
+        onRetry: () {},
+      ),
+      noUserWidget: const Scaffold(
+        body: Center(child: Text('Utilisateur non connecté')),
+      ),
     );
   }
 
@@ -196,7 +187,7 @@ class _AccountContentState extends State<AccountContent> {
           children: [
             CircularProgressIndicator(),
             SizedBox(height: 16),
-            Text('Loading accounts...'),
+            Text('Chargement des comptes...'),
           ],        
         ),     
       );
@@ -204,7 +195,7 @@ class _AccountContentState extends State<AccountContent> {
     
     if (accountState is AccountError) {
       return ErrorContent(
-        message: 'Account loading error...',
+        message: 'Erreur de chargement des comptes...',
         onRetry: () {
           context.read<AccountBloc>().add(LoadAccountsByUserId(userId));
         },
@@ -222,13 +213,13 @@ class _AccountContentState extends State<AccountContent> {
       child: Column(
         mainAxisAlignment: MainAxisAlignment.center,
         children: [
-          const Text('Unknown state'),
+          const Text('État inconnu'),
           const SizedBox(height: 16),
           ElevatedButton(
             onPressed: () {
               context.read<AccountBloc>().add(LoadAccountsByUserId(userId));
             },
-            child: const Text('Load accounts'),
+            child: const Text('Charger les comptes'),
           ),
         ],
       ),
@@ -258,7 +249,7 @@ class _AccountContentState extends State<AccountContent> {
             ),
             const SizedBox(height: 8),
             const Text(
-              'Accounts are automatically created when you create a trip',
+              'Les comptes sont créés automatiquement lorsque vous créez des voyages.',
               style: TextStyle(fontSize: 14, color: Colors.grey),
               textAlign: TextAlign.center,
             ),
@@ -289,18 +280,7 @@ class _AccountContentState extends State<AccountContent> {
       child: ListView(
         padding: const EdgeInsets.all(16),
         children: [
-          const Text(
-            'My accounts',
-            style: TextStyle(fontSize: 28, fontWeight: FontWeight.bold),
-          ),
-          const SizedBox(height: 8),
-          Text(
-            'Manage your travel accounts',
-            style: TextStyle(fontSize: 14, color: Colors.grey[600]),
-          ),
-          const SizedBox(height: 24),
-          
-          ...accounts.map((account) {
+            ...accounts.map((account) {
             return Padding(
               padding: const EdgeInsets.only(bottom: 12),
               child: _buildSimpleAccountCard(account),

lib/components/group/chat_group_content.dart

@@ -476,8 +476,12 @@ class _ChatGroupContentState extends State<ChatGroupContent> {
                       const SizedBox(height: 4),
                     ],
                     Text(
-                      message.text,
-                      style: TextStyle(fontSize: 15, color: textColor),
+                      message.isDeleted ? 'a supprimé un message' : message.text,
+                      style: TextStyle(
+                        fontSize: 15,
+                        color: message.isDeleted ? textColor.withValues(alpha: 0.5) : textColor,
+                        fontStyle: message.isDeleted ? FontStyle.italic : FontStyle.normal,
+                      ),
                     ),
                     const SizedBox(height: 4),
                     Row(

lib/components/group/group_content.dart

@@ -127,17 +127,6 @@ class _GroupContentState extends State<GroupContent> {
       child: ListView(
         padding: const EdgeInsets.all(16),
         children: [
-          const Text(
-            'Mes groupes',
-            style: TextStyle(fontSize: 28, fontWeight: FontWeight.bold),
-          ),
-          const SizedBox(height: 8),
-          Text(
-            'Discutez avec les participants',
-            style: TextStyle(fontSize: 14, color: Colors.grey[600]),
-          ),
-          const SizedBox(height: 24),
-
           ...groups.map((group) {
             return Padding(
               padding: const EdgeInsets.only(bottom: 12),

lib/models/message.dart

@@ -10,6 +10,7 @@ class Message {
   final Map<String, String> reactions; // userId -> emoji
   final DateTime? editedAt;
   final bool isEdited;
+  final bool isDeleted;
 
   Message({
     this.id = '',
@@ -21,6 +22,7 @@ class Message {
     this.reactions = const {},
     this.editedAt,
     this.isEdited = false,
+    this.isDeleted = false,
   });
 
   factory Message.fromFirestore(DocumentSnapshot doc) {
@@ -39,6 +41,7 @@ class Message {
       reactions: reactionsData?.map((key, value) => MapEntry(key, value.toString())) ?? {},
       editedAt: editedAtTimestamp?.toDate(),
       isEdited: data['isEdited'] ?? false,
+      isDeleted: data['isDeleted'] ?? false,
     );
   }
 
@@ -52,6 +55,7 @@ class Message {
       'reactions': reactions,
       'editedAt': editedAt != null ? Timestamp.fromDate(editedAt!) : null,
       'isEdited': isEdited,
+      'isDeleted': isDeleted,
     };
   }
 
@@ -65,6 +69,7 @@ class Message {
     Map<String, String>? reactions,
     DateTime? editedAt,
     bool? isEdited,
+    bool? isDeleted,
   }) {
     return Message(
       id: id ?? this.id,
@@ -76,6 +81,7 @@ class Message {
       reactions: reactions ?? this.reactions,
       editedAt: editedAt ?? this.editedAt,
       isEdited: isEdited ?? this.isEdited,
+      isDeleted: isDeleted ?? this.isDeleted,
     );
   }
 }

lib/repositories/message_repository.dart

@@ -42,7 +42,7 @@ class MessageRepository {
     });
   }
 
-  // Supprimer un message
+  // Supprimer un message (marquer comme supprimé)
   Future<void> deleteMessage({
     required String groupId,
     required String messageId,
@@ -52,7 +52,10 @@ class MessageRepository {
         .doc(groupId)
         .collection('messages')
         .doc(messageId)
-        .delete();
+        .update({
+      'isDeleted': true,
+      'text': '',
+    });
   }
 
   // Modifier un message