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),