Ajout des permissions

em2rp/lib/models/role_model.dart

@@ -0,0 +1,102 @@
+import 'package:flutter/foundation.dart';
+
+enum Permission {
+  // Permissions liées aux prestations
+  viewAllEvents, // Voir toutes les prestations
+  viewAssignedEvents, // Voir uniquement les prestations assignées
+  editEvents, // Modifier les prestations
+  deleteEvents, // Supprimer les prestations
+  assignCrew, // Assigner des membres d'équipe aux prestations
+
+  // Permissions liées aux finances
+  viewPrices, // Voir les prix
+  editPrices, // Modifier les prix
+  viewQuotes, // Voir les devis
+  createQuotes, // Créer des devis
+  editQuotes, // Modifier les devis
+  viewInvoices, // Voir les factures
+  createInvoices, // Créer des factures
+  editInvoices, // Modifier les factures
+
+  // Permissions liées aux utilisateurs
+  viewUsers, // Voir les utilisateurs
+  editUsers, // Modifier les utilisateurs
+  deleteUsers, // Supprimer les utilisateurs
+
+  // Permissions liées aux clients
+  viewClients, // Voir les clients
+  editClients, // Modifier les clients
+  deleteClients, // Supprimer les clients
+}
+
+class Role {
+  final String name;
+  final Set<Permission> permissions;
+
+  const Role({
+    required this.name,
+    required this.permissions,
+  });
+
+  bool hasPermission(Permission permission) => permissions.contains(permission);
+
+  bool hasAllPermissions(List<Permission> requiredPermissions) {
+    return requiredPermissions
+        .every((permission) => permissions.contains(permission));
+  }
+
+  bool hasAnyPermission(List<Permission> requiredPermissions) {
+    return requiredPermissions
+        .any((permission) => permissions.contains(permission));
+  }
+}
+
+class Roles {
+  static const admin = Role(
+    name: 'ADMIN',
+    permissions: {
+      // Toutes les permissions pour l'administrateur
+      Permission.viewAllEvents,
+      Permission.viewAssignedEvents,
+      Permission.editEvents,
+      Permission.deleteEvents,
+      Permission.assignCrew,
+      Permission.viewPrices,
+      Permission.editPrices,
+      Permission.viewQuotes,
+      Permission.createQuotes,
+      Permission.editQuotes,
+      Permission.viewInvoices,
+      Permission.createInvoices,
+      Permission.editInvoices,
+      Permission.viewUsers,
+      Permission.editUsers,
+      Permission.deleteUsers,
+      Permission.viewClients,
+      Permission.editClients,
+      Permission.deleteClients,
+    },
+  );
+
+  static const crew = Role(
+    name: 'CREW',
+    permissions: {
+      // Permissions limitées pour l'équipe
+      Permission.viewAssignedEvents,
+      Permission.viewClients,
+    },
+  );
+
+  static Role fromString(String roleName) {
+    switch (roleName.toUpperCase()) {
+      case 'ADMIN':
+        return admin;
+      case 'CREW':
+        return crew;
+      default:
+        return crew; // Par défaut, on donne les permissions minimales
+    }
+  }
+
+  static List<Role> values = [admin, crew];
+}

em2rp/lib/views/user_management_page.dart

@@ -6,6 +6,8 @@ import 'package:em2rp/models/user_model.dart';
 import 'package:em2rp/views/widgets/user_management/user_card.dart';
 import 'package:em2rp/views/widgets/user_management/edit_user_dialog.dart';
 import 'package:em2rp/utils/colors.dart';
+import 'package:em2rp/widgets/permission_gate.dart';
+import 'package:em2rp/models/role_model.dart';
 
 class UserManagementPage extends StatefulWidget {
   const UserManagementPage({Key? key}) : super(key: key);
@@ -24,7 +26,22 @@ class _UserManagementPageState extends State<UserManagementPage> {
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return PermissionGate(
+      requiredPermissions: [Permission.viewUsers],
+      fallback: Scaffold(
+        appBar: AppBar(
+          title: const Text('Accès refusé'),
+          backgroundColor: AppColors.rouge,
+        ),
+        body: const Center(
+          child: Text(
+            'Vous n\'avez pas les permissions nécessaires pour accéder à cette page.',
+            textAlign: TextAlign.center,
+            style: TextStyle(fontSize: 16),
+          ),
+        ),
+      ),
+      child: Scaffold(
         appBar: AppBar(
           title: const Text('Gestion des utilisateurs'),
           backgroundColor: AppColors.rouge,
@@ -43,7 +60,6 @@ class _UserManagementPageState extends State<UserManagementPage> {
             final width = MediaQuery.of(context).size.width;
             int crossAxisCount;
 
-          // Ajustement du nombre de colonnes selon la taille d'écran
             if (width > 1200) {
               crossAxisCount = 4;
             } else if (width > 800) {
@@ -62,9 +78,7 @@ class _UserManagementPageState extends State<UserManagementPage> {
                   crossAxisCount: crossAxisCount,
                   crossAxisSpacing: 16,
                   mainAxisSpacing: 16,
-                mainAxisExtent: width < 600
+                  mainAxisExtent: width < 600 ? 80 : 180,
-                    ? 80
-                    : 180, // Augmenté de 170 à 180 pour le desktop
                 ),
                 itemBuilder: (context, i) {
                   final user = users[i];
@@ -85,6 +99,7 @@ class _UserManagementPageState extends State<UserManagementPage> {
           child: const Icon(Icons.add, color: AppColors.blanc),
           onPressed: () => _showCreateUserDialog(context),
         ),
+      ),
     );
   }
 

em2rp/lib/views/widgets/nav/main_drawer.dart

@@ -6,11 +6,16 @@ import 'package:em2rp/views/user_management_page.dart';
 import 'package:flutter/material.dart';
 import 'package:em2rp/views/widgets/image/profile_picture.dart';
 import 'package:provider/provider.dart';
+import 'package:em2rp/widgets/permission_gate.dart';
+import 'package:em2rp/models/role_model.dart';
 
 class MainDrawer extends StatelessWidget {
   final String currentPage;
 
-  const MainDrawer({super.key, required this.currentPage});
+  const MainDrawer({
+    Key? key,
+    required this.currentPage,
+  }) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -110,7 +115,9 @@ class MainDrawer extends StatelessWidget {
                         );
                       },
                     ),
-                    ListTile(
+                    PermissionGate(
+                      requiredPermissions: [Permission.viewUsers],
+                      child: ListTile(
                         leading: const Icon(Icons.group),
                         title: const Text('Gestion des Utilisateurs'),
                         selected: currentPage == '/user_management',
@@ -120,10 +127,12 @@ class MainDrawer extends StatelessWidget {
                           Navigator.pushReplacement(
                             context,
                             MaterialPageRoute(
-                              builder: (context) => const UserManagementPage()),
+                                builder: (context) =>
+                                    const UserManagementPage()),
                           );
                         },
                       ),
+                    ),
                   ],
                 ),
               ),

em2rp/lib/views/widgets/user_management/edit_user_dialog.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'package:em2rp/models/user_model.dart';
 import 'package:em2rp/providers/users_provider.dart';
+import 'package:em2rp/utils/colors.dart';
 
 class EditUserDialog extends StatefulWidget {
   final UserModel user;
@@ -16,7 +17,9 @@ class _EditUserDialogState extends State<EditUserDialog> {
   late final TextEditingController lastNameController;
   late final TextEditingController emailController;
   late final TextEditingController phoneController;
-  late final TextEditingController roleController;
+  String selectedRole = '';
+
+  static const List<String> roles = ['ADMIN', 'CREW'];
 
   @override
   void initState() {
@@ -25,7 +28,7 @@ class _EditUserDialogState extends State<EditUserDialog> {
     lastNameController = TextEditingController(text: widget.user.lastName);
     emailController = TextEditingController(text: widget.user.email);
     phoneController = TextEditingController(text: widget.user.phoneNumber);
-    roleController = TextEditingController(text: widget.user.role);
+    selectedRole = widget.user.role.isEmpty ? roles.first : widget.user.role;
   }
 
   @override
@@ -34,40 +37,117 @@ class _EditUserDialogState extends State<EditUserDialog> {
     lastNameController.dispose();
     emailController.dispose();
     phoneController.dispose();
-    roleController.dispose();
     super.dispose();
   }
 
+  InputDecoration _buildInputDecoration(String label, IconData icon) {
+    return InputDecoration(
+      labelText: label,
+      prefixIcon: Icon(icon, color: AppColors.rouge),
+      border: OutlineInputBorder(
+        borderRadius: BorderRadius.circular(8),
+      ),
+      focusedBorder: OutlineInputBorder(
+        borderRadius: BorderRadius.circular(8),
+        borderSide: const BorderSide(color: AppColors.rouge, width: 2),
+      ),
+      contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
-    return AlertDialog(
+    return Dialog(
-      title: const Text('Modifier utilisateur'),
+      shape: RoundedRectangleBorder(
-      content: SingleChildScrollView(
+        borderRadius: BorderRadius.circular(16),
+      ),
+      child: Container(
+        width: 400,
+        padding: const EdgeInsets.all(24),
         child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            Row(
+              children: [
+                const Icon(Icons.edit, color: AppColors.rouge),
+                const SizedBox(width: 12),
+                Text(
+                  'Modifier utilisateur',
+                  style: Theme.of(context).textTheme.titleLarge?.copyWith(
+                        color: AppColors.noir,
+                        fontWeight: FontWeight.bold,
+                      ),
+                ),
+              ],
+            ),
+            const SizedBox(height: 24),
+            SingleChildScrollView(
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
                 children: [
                   TextField(
                     controller: firstNameController,
-                decoration: const InputDecoration(labelText: 'Prénom')),
+                    decoration:
+                        _buildInputDecoration('Prénom', Icons.person_outline),
+                  ),
+                  const SizedBox(height: 16),
                   TextField(
                     controller: lastNameController,
-                decoration: const InputDecoration(labelText: 'Nom')),
+                    decoration: _buildInputDecoration('Nom', Icons.person),
+                  ),
+                  const SizedBox(height: 16),
                   TextField(
                     controller: emailController,
-                decoration: const InputDecoration(labelText: 'Email')),
+                    decoration:
+                        _buildInputDecoration('Email', Icons.email_outlined),
+                    keyboardType: TextInputType.emailAddress,
+                  ),
+                  const SizedBox(height: 16),
                   TextField(
                     controller: phoneController,
-                decoration: const InputDecoration(labelText: 'Téléphone')),
+                    decoration: _buildInputDecoration(
-            TextField(
+                        'Téléphone', Icons.phone_outlined),
-                controller: roleController,
+                    keyboardType: TextInputType.phone,
-                decoration: const InputDecoration(labelText: 'Rôle')),
+                  ),
+                  const SizedBox(height: 16),
+                  DropdownButtonFormField<String>(
+                    value: selectedRole,
+                    decoration: _buildInputDecoration(
+                        'Rôle', Icons.admin_panel_settings_outlined),
+                    items: roles.map((String role) {
+                      return DropdownMenuItem<String>(
+                        value: role,
+                        child: Text(role),
+                      );
+                    }).toList(),
+                    onChanged: (String? newValue) {
+                      if (newValue != null) {
+                        setState(() {
+                          selectedRole = newValue;
+                        });
+                      }
+                    },
+                  ),
                 ],
               ),
             ),
-      actions: [
+            const SizedBox(height: 24),
+            Row(
+              mainAxisAlignment: MainAxisAlignment.end,
+              children: [
                 TextButton(
                   onPressed: () => Navigator.pop(context),
-          child: const Text('Annuler'),
+                  style: TextButton.styleFrom(
+                    padding: const EdgeInsets.symmetric(
+                        horizontal: 16, vertical: 12),
                   ),
+                  child: const Text(
+                    'Annuler',
+                    style: TextStyle(color: AppColors.gris),
+                  ),
+                ),
+                const SizedBox(width: 8),
                 ElevatedButton(
                   onPressed: () {
                     final updatedUser = widget.user.copyWith(
@@ -75,15 +155,30 @@ class _EditUserDialogState extends State<EditUserDialog> {
                       lastName: lastNameController.text,
                       email: emailController.text,
                       phoneNumber: phoneController.text,
-              role: roleController.text,
+                      role: selectedRole,
                     );
                     Provider.of<UsersProvider>(context, listen: false)
                         .updateUser(updatedUser);
                     Navigator.pop(context);
                   },
-          child: const Text('Enregistrer'),
+                  style: ElevatedButton.styleFrom(
+                    backgroundColor: AppColors.rouge,
+                    padding: const EdgeInsets.symmetric(
+                        horizontal: 24, vertical: 12),
+                    shape: RoundedRectangleBorder(
+                      borderRadius: BorderRadius.circular(8),
+                    ),
+                  ),
+                  child: const Text(
+                    'Enregistrer',
+                    style: TextStyle(color: AppColors.blanc),
+                  ),
                 ),
               ],
+            ),
+          ],
+        ),
+      ),
     );
   }
 }

em2rp/lib/widgets/permission_gate.dart

@@ -0,0 +1,42 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:em2rp/models/role_model.dart';
+import 'package:em2rp/providers/local_user_provider.dart';
+
+class PermissionGate extends StatelessWidget {
+  final Widget child;
+  final List<Permission> requiredPermissions;
+  final bool requireAll;
+  final Widget? fallback;
+
+  const PermissionGate({
+    super.key,
+    required this.child,
+    required this.requiredPermissions,
+    this.requireAll = true,
+    this.fallback,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Consumer<LocalUserProvider>(
+      builder: (context, localUserProvider, _) {
+        final currentUser = localUserProvider.currentUser;
+        if (currentUser == null) {
+          return fallback ?? const SizedBox.shrink();
+        }
+
+        final userRole = Roles.fromString(currentUser.role);
+        final hasPermission = requireAll
+            ? userRole.hasAllPermissions(requiredPermissions)
+            : userRole.hasAnyPermission(requiredPermissions);
+
+        if (hasPermission) {
+          return child;
+        }
+
+        return fallback ?? const SizedBox.shrink();
+      },
+    );
+  }
+}