delete push key when logout

lib/data/api/rest_client.dart

   @PUT("/api/update-fcmToken")
   Future<void> updateFcmToken(@Body() String token);
 
+  @PUT("/api/delete-fcmToken")
+  Future<void> deleteFcmToken(@Body() String token);
+
   @GET("/api/tb-crops?page={page}&size={size}&query={query}")
   Future<List<Crop>> getPlots(
       {@Path() int page = 0, @Path() int size = 20, @Path() String query = ""});

lib/data/api/rest_client.g.dart

     return null;
   }
 
+  @override
+  deleteFcmToken(token) async {
+    ArgumentError.checkNotNull(token, 'token');
+    const _extra = <String, dynamic>{};
+    final queryParameters = <String, dynamic>{};
+    final _data = token;
+    await _dio.request<void>('/api/delete-fcmToken',
+        queryParameters: queryParameters,
+        options: RequestOptions(
+            method: 'PUT',
+            headers: <String, dynamic>{},
+            extra: _extra,
+            baseUrl: baseUrl),
+        data: _data);
+    return null;
+  }
+
   @override
   getPlots({page = 0, size = 20, query = ""}) async {
     const _extra = <String, dynamic>{};

lib/data/repository/authentication_repository.dart

   }
 
   void logOut() {
-    pref.saveString(DATA_CONST.TOKEN_KEY, "");
-    pref.saveString(DATA_CONST.PUSH_KEY, "");
-    pref.saveString(DATA_CONST.CURRENT_FULL_NAME, "");
     _controller.add(AuthenticationStatus.unauthenticated);
   }
 

lib/data/repository/user_repository.dart

     final client = RestClient(dio);
     return client.updateFcmToken(token);
   }
+
+  Future<void> deleteFcmToken(String token) {
+    final client = RestClient(dio);
+    return client.deleteFcmToken(token);
+  }
 }

lib/presentation/screens/slide_menu/home_drawer.dart

 import 'package:farm_tpf/authentication/authentication.dart';
+import 'package:farm_tpf/data/repository/user_repository.dart';
 import 'package:farm_tpf/presentation/screens/notification/sc_notification.dart';
 import 'package:farm_tpf/presentation/screens/profile/sc_update_profile.dart';
 import 'package:farm_tpf/utils/const_color.dart';
+import 'package:farm_tpf/utils/pref.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 
 }
 
 class _HomeDrawerState extends State<HomeDrawer> {
+  var pref = LocalPref();
+  UserRepository _userRepository = UserRepository();
   List<DrawerList> drawerList;
   @override
   void initState() {
     widget.callBackIndex(indexScreen);
   }
 
-  _clickSignOut() {
+  _clickSignOut() async {
     context.bloc<AuthenticationBloc>().add(AuthenticationLogoutRequested());
+    try {
+      String pushKey = await pref.getString(DATA_CONST.PUSH_KEY);
+      if (pushKey.isNotEmpty) {
+        _userRepository
+            .deleteFcmToken(pushKey)
+            .then((value) {})
+            .catchError((err) {})
+            .whenComplete(() {
+          pref.saveString(DATA_CONST.TOKEN_KEY, "");
+          pref.saveString(DATA_CONST.PUSH_KEY, "");
+          pref.saveString(DATA_CONST.CURRENT_FULL_NAME, "");
+        });
+      }
+    } catch (e) {
+      pref.saveString(DATA_CONST.CURRENT_FULL_NAME, "");
+      pref.saveString(DATA_CONST.TOKEN_KEY, "");
+      pref.saveString(DATA_CONST.PUSH_KEY, "");
+    }
   }
 }