public isAuthed() {
     const token = this.jwtHelperService.tokenGetter();
     if (!token) { return false; }
     try {
         return !this.jwtHelperService.isTokenExpired(token);
     } catch (e) {
         return false;
     }
 }

 ngOnInit() {
   if (this.jwtHelper.isTokenExpired()) {
     this.router.navigateByUrl('auth/login');
   } else {
     $(document).on('click', '[href="#"]', e => e.preventDefault());
   }
 }

 getUsername() {
   const tokenPayload = this.jwt.decodeToken(this.getToken());
   if (tokenPayload) {
     return tokenPayload.user.username;
   }
   return null;
 }

 public isAuthenticated(): boolean {
   const token = localStorage.getItem('access_token').split('.')[1];
   console.log(token);
   // Check whether the token is expired and return
   // true or false
   return !this.jwtHelper.isTokenExpired(token);
 }

 get user(): Collaborateur {
   if (this.token) {
     return this.jwt.decodeToken(this.token);
   } else {
     return null;
   }
 }

 checkTokenExp() {
   if (this.jwtHelper.isTokenExpired(this.getSession())) {
     localStorage.removeItem('login')
     this._router.navigate(['/core/home'])
   }
   console.log(`Your Token is ${this.getSession() ? this.getSession() : "Not Have Token."}`)
 }

 canActivate() {
     if (this.jwtHelper.isTokenExpired()) {
         // not logged in so return false and redirect to login page
         this.router.navigate(['/accounts/login']);
         return false;
     }
     return true;
 }

 isAdmin() {
   if (this.authService.loggedIn()) {
     const token = this.authService.getToken();
     const decodedToken = this.jwtHelper.decodeToken(token);
     if (
       decodedToken.userRoles.find(role => role.authority === 'ROLE_ADMIN')
     ) {
       return true;
     }
   }
 }

  ngOnInit() {
    const token = localStorage.getItem('token');
    const user: User = JSON.parse(localStorage.getItem('user'));
    if (token) {
      this.authService.decodedToken = this.jwthelperService.decodeToken(token);
    }
    if (user) {
      this.authService.currentUser = user;
      if (this.authService.currentUser.photoUrl !== null) {
        this.authService.changeMemberPhoto(user.photoUrl);
      } else {
        this.authService.changeMemberPhoto('../assets/user.png');
      }
    }

  }

  canActivate() {
    if (this.authService.loggedIn()) {
      const token = this.authService.getToken();
      const decodedToken = this.jwtHelper.decodeToken(token);
      if (
        decodedToken.userRoles.find(
          role => role.authority === 'ROLE_ADMIN'
        )
      ) {
        return true;
      }
    }

    this.router.navigate(['/']);
    this.flashMessages.show('You don\'t have creadentials for this page', {
      cssClass: 'alert-danger',
      timeout: 3000
    });
    return false;
  }