Xây dựng method login (ok)

public function login($data) {
    $exists = $this->find([
      'conditions' => [
        'email'    => $data[$this->alias]['email'],
        'password' => Helper::hash($data[$this->alias]['password']),
      ],
      'first'
    ]);
    // array (
    //   'User' => 
    //   array (
    //     'id' => '3',
    //     'email' => '[e-mail]',
    //     'password' => '7c4a8d09ca3762af61e59520943dc26494f8941b',
    //     'fullname' => 'Lionel',
    //     'address' => 'ABC',
    //     'is_admin' => NULL,
    //     'created' => '2020-04-03 19:24:49',
    //     'modified' => '2020-04-03 19:24:49',
    //   ),
    // )
    if(!empty($exists)) {
      $this->session->write(USER_INFO,$exists);
      $this->session->write(LOGGED_IN,true);
      return true;
    }
    return false;
  }