/**
* Creates data provider instance with search query applied
*
* @param array $params
*
* @return ActiveDataProvider
*/
public function search($params)
{
$query = BlogTag::find();
$query->orderBy(['frequency' => SORT_DESC]);
$dataProvider = new ActiveDataProvider(['query' => $query]);
if (!($this->load($params) && $this->validate())) {
return $dataProvider;
}
$query->andFilterWhere(['id' => $this->id, 'frequency' => $this->frequency]);
$query->andFilterWhere(['like', 'name', $this->name]);
return $dataProvider;
}
public static function findTagWeights($limit = 20)
{
$query = BlogTag::find()->orderBy(['frequency' => SORT_DESC]);
$cacheId = Yii::$app->params["domain"] . '_blog_tag_' . md5(serialize($query));
$models = Yii::$app->cache->get($cacheId);
if ($models === false) {
$models = $query->all();
Yii::$app->cache->set($cacheId, $models, 3600);
}
$total = 0;
foreach ($models as $model) {
$total += $model->frequency;
}
$tags = [];
if ($total > 0) {
foreach ($models as $model) {
$tags[$model->name] = 8 + (int) (16 * $model->frequency / ($total + 10));
}
ksort($tags);
}
return $tags;
}