Refacto : on ne verifie plus le role admin mais les permissions du role

em2rp/lib/views/widgets/calendar_widgets/event_details.dart

@@ -31,7 +31,7 @@ class EventDetails extends StatelessWidget {
       ..sort((a, b) => a.startDateTime.compareTo(b.startDateTime));
     final currentIndex = sortedEvents.indexWhere((e) => e.id == event.id);
     final localUserProvider = Provider.of<LocalUserProvider>(context);
-    final isAdmin = localUserProvider.role == 'ADMIN';
+    final isAdmin = localUserProvider.hasPermission('view_all_users');
 
     return Card(
       margin: const EdgeInsets.all(16),

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

@@ -3,6 +3,8 @@ 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';
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:em2rp/models/role_model.dart';
 
 class EditUserDialog extends StatefulWidget {
   final UserModel user;
@@ -17,9 +19,9 @@ class _EditUserDialogState extends State<EditUserDialog> {
   late final TextEditingController lastNameController;
   late final TextEditingController emailController;
   late final TextEditingController phoneController;
-  String selectedRole = '';
-
-  static const List<String> roles = ['ADMIN', 'CREW'];
+  String? selectedRoleId;
+  List<RoleModel> availableRoles = [];
+  bool isLoadingRoles = true;
 
   @override
   void initState() {
@@ -28,7 +30,20 @@ class _EditUserDialogState extends State<EditUserDialog> {
     lastNameController = TextEditingController(text: widget.user.lastName);
     emailController = TextEditingController(text: widget.user.email);
     phoneController = TextEditingController(text: widget.user.phoneNumber);
-    selectedRole = widget.user.role.isEmpty ? roles.first : widget.user.role;
+    _loadRoles();
+  }
+
+  Future<void> _loadRoles() async {
+    final snapshot = await FirebaseFirestore.instance.collection('roles').get();
+    setState(() {
+      availableRoles = snapshot.docs
+          .map((doc) => RoleModel.fromMap(doc.data(), doc.id))
+          .toList();
+      selectedRoleId = widget.user.role.isEmpty
+          ? (availableRoles.isNotEmpty ? availableRoles.first.id : null)
+          : widget.user.role;
+      isLoadingRoles = false;
+    });
   }
 
   @override
@@ -111,24 +126,26 @@ class _EditUserDialogState extends State<EditUserDialog> {
                     keyboardType: TextInputType.phone,
                   ),
                   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;
-                        });
-                      }
-                    },
-                  ),
+                  isLoadingRoles
+                      ? const CircularProgressIndicator()
+                      : DropdownButtonFormField<String>(
+                          value: selectedRoleId,
+                          decoration: _buildInputDecoration(
+                              'Rôle', Icons.admin_panel_settings_outlined),
+                          items: availableRoles.map((role) {
+                            return DropdownMenuItem<String>(
+                              value: role.id,
+                              child: Text(role.name),
+                            );
+                          }).toList(),
+                          onChanged: (String? newValue) {
+                            if (newValue != null) {
+                              setState(() {
+                                selectedRoleId = newValue;
+                              });
+                            }
+                          },
+                        ),
                 ],
               ),
             ),
@@ -149,16 +166,17 @@ class _EditUserDialogState extends State<EditUserDialog> {
                 ),
                 const SizedBox(width: 8),
                 ElevatedButton(
-                  onPressed: () {
+                  onPressed: () async {
+                    if (selectedRoleId == null) return;
                     final updatedUser = widget.user.copyWith(
                       firstName: firstNameController.text,
                       lastName: lastNameController.text,
                       email: emailController.text,
                       phoneNumber: phoneController.text,
-                      role: selectedRole,
+                      role: selectedRoleId,
                     );
-                    Provider.of<UsersProvider>(context, listen: false)
-                        .updateUser(updatedUser);
+                    await Provider.of<UsersProvider>(context, listen: false)
+                        .updateUser(updatedUser, roleId: selectedRoleId);
                     Navigator.pop(context);
                   },
                   style: ElevatedButton.styleFrom(