/**
* Validates the password.
* This method serves as the inline validation for password.
*
* @param string $attribute the attribute currently being validated
* @param array $params the additional name-value pairs given in the rule
*/
public function validateEmail($attribute, $params)
{
if (!$this->hasErrors()) {
$user_email = User::findByUsernameFromJsonValidate($this->email, 'email');
if ($user_email) {
$this->addError($attribute, 'This email address has already been taken.');
}
}
}
