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