public function afterSave()
{
if (!$this->owner->isNewRecord) {
$this->beforeDelete();
}
if (count($this->_tags)) {
$tagAssigns = [];
$modelClass = get_class($this->owner);
foreach ($this->_tags as $name) {
if (!($tag = Tag::findOne(['name' => $name]))) {
$tag = new Tag(['name' => $name]);
}
$tag->frequency++;
if ($tag->save()) {
$updatedTags[] = $tag;
$tagAssigns[] = [$modelClass, $this->owner->primaryKey, $tag->id];
}
}
if (count($tagAssigns)) {
Yii::$app->db->createCommand()->batchInsert(TagAssign::tableName(), ['class', 'item_id', 'tag_id'], $tagAssigns)->execute();
$this->owner->populateRelation('tags', $updatedTags);
}
}
}
