/**
* @inheritdoc
*/
public function init()
{
$this->searchModel = Yii::createObject(['class' => $this->modelClass]);
if (!$this->searchModel instanceof UrlModel) {
throw new InvalidConfigException('$rule->modelClass reference must be an instance of ' . UrlModel::className());
}
if (is_null(UrlCategory::findOne($this->category))) {
throw new InvalidConfigException('Category "' . $this->category . '" does not exists in ' . UrlCategory::tableName() . ' table');
}
}
/**
* @return \yii\db\ActiveQuery
*/
public function getCategory()
{
return $this->hasOne(UrlCategory::className(), ['id' => 'category_id']);
}