/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = Tagging::find();
// set up query with relation to `tag.name`
$tagTable = Tag::tableName();
$query->joinWith(['tag' => function ($query) use($tagTable) {
$query->from(['tag' => $tagTable]);
}]);
$dataProvider = new ActiveDataProvider(['query' => $query]);
// enable sorting for the related columns
$addSortAttributes = ["tag.name"];
foreach ($addSortAttributes as $addSortAttribute) {
$dataProvider->sort->attributes[$addSortAttribute] = ['asc' => [$addSortAttribute => SORT_ASC], 'desc' => [$addSortAttribute => SORT_DESC]];
}
$this->load($params);
if (!$this->validate()) {
// uncomment the following line if you do not want to any records when validation fails
// $query->where('0=1');
return $dataProvider;
}
$query->andFilterWhere(['id' => $this->id, 'tag_id' => $this->tag_id, 'taggable_id' => $this->taggable_id]);
$query->andFilterWhere(['like', 'taggable_type', $this->taggable_type]);
return $dataProvider;
}
/**
* Deletes an existing Tag model.
* If deletion is successful, the browser will be redirected to the 'index' page.
* @param integer $id
* @return mixed
*/
public function actionDelete($id)
{
$tag = $this->findModel($id);
$taggings = Tagging::find()->where(['taggable_type' => Tagging::TAGGABLE_POST, 'tag_id' => $id])->all();
foreach ($taggings as $tagging) {
$post = Post::findOne($tagging->taggable_id);
if ($post) {
$cached_tag_list = [];
$newTags = $post->getTags();
foreach ($newTags as $newTag) {
if (strcmp($tag->name, $newTag->name) !== 0) {
$cached_tag_list[] = $newTag->name;
}
}
$post->cached_tag_list = implode(', ', $cached_tag_list);
$post->save(true, ['cached_tag_list']);
}
}
Tagging::deleteAll(['tag_id' => $tag->id]);
$tag->delete();
return $this->redirect(['index']);
}
/**
* @param int $id Tag id
*
* @return boolean
*/
public function removeTag($id)
{
$tagging = Tagging::find()->where(['taggable_id' => $this->id, 'tag_id' => $id, 'taggable_type' => Tagging::TAGGABLE_VIDEO])->one();
if ($tagging) {
return $tagging->delete();
}
return false;
}