/**
* @return \yii\db\ActiveQuery
*/
public function getCategory()
{
return $this->hasOne(Category::className(), ['id' => 'category_id']);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getParent()
{
return $this->hasOne(Category::className(), ['id' => 'parent_id']);
}
/**
* @inheritdoc
*/
public function rules()
{
return [[['category_id', 'filter_type', 'input_type'], 'integer'], [['category_id'], 'exist', 'skipOnError' => true, 'targetClass' => Category::className(), 'targetAttribute' => ['category_id' => 'id']], [['filter_type'], 'exist', 'skipOnError' => true, 'targetClass' => FilterType::className(), 'targetAttribute' => ['filter_type' => 'id']], [['input_type'], 'exist', 'skipOnError' => true, 'targetClass' => FilterInputType::className(), 'targetAttribute' => ['input_type' => 'id']]];
}