models/form/Login.php
<?php
namespace mdm\admin\models\form;
use Yii;
use yii\base\Model;
use mdm\admin\models\User;
/**
* Login form
*/
class Login extends Model
{
public $username;
public $password;
public $rememberMe = true;
private $_user = false;
/**
* @inheritdoc
*/
public function rules()
{
return [
// username and password are both required
[['username', 'password'], 'required'],
// rememberMe must be a boolean value
['rememberMe', 'boolean'],
// password is validated by validatePassword()
['password', 'validatePassword'],
];
}
/**
* Validates the password.
* This method serves as the inline validation for password.
*
* @param string $attribute the attribute currently being validated
* @param array $params the additional name-value pairs given in the rule
*/
public function validatePassword($attribute, $params)
{
if (!$this->hasErrors()) {
$user = $this->getUser();
if (!$user || !$user->validatePassword($this->password)) {
$this->addError($attribute, 'Incorrect username or password.');
}
}
}
/**
* Logs in a user using the provided username and password.
*
* @return boolean whether the user is logged in successfully
*/
public function login()
{
if ($this->validate()) {
return Yii::$app->getUser()->login($this->getUser(), $this->rememberMe ? 3600 * 24 * 30 : 0);
} else {
return false;
}
}
/**
* Finds user by [[username]]
*
* @return User|null
*/
public function getUser()
{
if ($this->_user === false) {
$class = Yii::$app->getUser()->identityClass ? : 'mdm\admin\models\User';
$this->_user = $class::findByUsername($this->username);
}
return $this->_user;
}
}