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common/models/LoginForm.php 1.8 KB
54f2fc2b   Alexey Boroda   first commit
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  <?php
  namespace common\models;
  
  use Yii;
  use yii\base\Model;
  
  /**
   * Login form
   */
  class LoginForm extends Model
  {
      public $username;
      public $password;
      public $rememberMe = true;
  
      private $_user;
  
  
      /**
       * {@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 bool 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);
          }
          
          return false;
      }
  
      /**
       * Finds user by [[username]]
       *
       * @return User|null
       */
      protected function getUser()
      {
          if ($this->_user === null) {
              $this->_user = User::findByUsername($this->username);
          }
  
          return $this->_user;
      }
  }