/**
* @return \yii\db\ActiveQuery
*/
public function getTopicTexts()
{
return $this->hasMany(TopicText::className(), ['LCID' => 'LCID']);
}
/**
* deleteTopic is a private function
* Here we written a recursive function
* to get delete all nested topics
* @param Integer $id
*/
private function deleteTopic($id)
{
// get child topics
$topicChildModel = Topic::find()->andFilterWhere(['ParentId' => $id])->all();
if (!empty($topicChildModel)) {
foreach ($topicChildModel as $topicChild) {
$this->deleteTopic($topicChild->TopicId);
}
}
$topicText = TopicText::deleteAll(['TopicId' => $id]);
$topicModel = $this->loadModel($id)->delete();
}
