Error fix : handle logout process in HomePage

lib/blocs/trip/trip_bloc.dart

@@ -19,6 +19,7 @@ class TripBloc extends Bloc<TripEvent, TripState> {
     on<TripDeleteRequested>(_onDeleteRequested);
     on<TripParticipantAddRequested>(_onParticipantAddRequested);
     on<TripParticipantRemoveRequested>(_onParticipantRemoveRequested);
+    on<ResetTrips>(_onResetTrips); // NOUVEAU
   }
 
   Future<void> _onLoadRequested(
@@ -108,6 +109,16 @@ class TripBloc extends Bloc<TripEvent, TripState> {
     }
   }
 
+  
+  Future<void> _onResetTrips(
+    ResetTrips event,
+    Emitter<TripState> emit,
+  ) async {
+    await _tripsSubscription?.cancel();
+    _tripsSubscription = null;
+    emit(TripInitial());
+  }
+
   @override
   Future<void> close() {
     _tripsSubscription?.cancel();
@@ -115,7 +126,6 @@ class TripBloc extends Bloc<TripEvent, TripState> {
   }
 }
 
-// Événement interne pour les mises à jour du stream
 class _TripUpdated extends TripEvent {
   final List<Trip> trips;
 

lib/blocs/trip/trip_event.dart

@@ -68,4 +68,12 @@ class TripParticipantRemoveRequested extends TripEvent {
 
   @override
   List<Object?> get props => [tripId, participantEmail];
+}
+
+// NOUVEAU : Événement pour réinitialiser les trips
+class ResetTrips extends TripEvent {
+  const ResetTrips();
+
+  @override
+  List<Object?> get props => [];
 }

lib/blocs/user/user_event.dart

@@ -14,7 +14,9 @@ class UserUpdated extends UserEvent {
   UserUpdated(this.userData);
 }
 
-class UserLoggedOut extends UserEvent {}
+class UserLoggedOut extends UserEvent {
+  UserLoggedOut();
+}
 class LoadUser extends UserEvent {
   final String userId;