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common/models/LoginForm.php 1.66 KB
b0f143c3   Yarik   first commit
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  <?php
  namespace common\models;
  use Yii;
  use yii\base\Model;
  /**
   * LoginForm is the model behind the login form.
   */
  class LoginForm extends Model
  {
      public $username;
      public $password;
      public $rememberMe = true;
      
      private $_user = false;
      /**
       * @return array the validation rules.
       */
      public function rules()
      {
          return array(
              // username and password are both required
              array(array('username', 'password'), 'required'),
              // password is validated by validatePassword()
              array('password', 'validatePassword'),
              // rememberMe must be a boolean value
              array('rememberMe', 'boolean'),
          );
      }
      /**
       * Validates the password.
       * This method serves as the inline validation for password.
       */
      public function validatePassword()
      {
          $user = $this->getUser();
          if (!$user || !$user->validatePassword($this->password)) {
              $this->addError('password', 'Incorrect username or password.');
          }
      }
      /**
       * Logs in a user using the provided username and password.
       * @return boolean whether the user is logged in successfully
       */
      public function login()
      {
          if ($this->validate()) {
              return Yii::$app->user->login($this->getUser(), $this->rememberMe ? 3600*24*30 : 0);
          } else {
              return false;
          }
      }
      /**
       * Finds user by [[username]]
       *
       * @return User|null
       */
      private function getUser()
      {
          if ($this->_user === false) {
              $this->_user = User::findByUsername($this->username);
          }
          return $this->_user;
      }
  }