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login(credentials: Credentials): Observable<any> {
    const result = this.apiAuthService.login(credentials)
      .map(response => {
        this.username = credentials.username
        this.token = response['id']
        this.userId = response['userId']
      }).concatMap(response =>{
        return this.getUserRoleMapping(this.userId).map(res =>{
          return res
        })
      }).concatMap((res)=>{
      console.log(res)
          console.log('return the getRealRol',this.getRealRol(res[0].roleId))
          return this.getRealRol(res[0].roleId).map(info =>{
            return info
          })
    }).concatMap((info)=>{
      this.userRol = info.name
      this.setStorageToken(this.userId, this.token, this.userRol)
    })