/**
* @return array|SourceMessage[]
*/
public static function getCategories()
{
return SourceMessage::find()->select('category')->distinct('category')->asArray()->all();
}
/**
* @param array|null $params
* @return ActiveDataProvider
*/
public function search($params)
{
$query = SourceMessage::find();
$dataProvider = new ActiveDataProvider(['query' => $query, 'sort' => ['defaultOrder' => ['id' => SORT_DESC]]]);
// check and populate params
if (!($this->load($params) && $this->validate())) {
$query->joinWith(['messages']);
return $dataProvider;
}
if ($this->status == static::STATUS_TRANSLATED) {
$query->joinWith(['messages']);
$query->translated();
}
if ($this->status == static::STATUS_NOT_TRANSLATED) {
$query->joinWith(['messages']);
$query->notTranslated();
}
if ($this->status == static::STATUS_DELETED) {
$query->joinWith(['messages']);
$query->deleted();
}
// search with related table
// @see http://www.yiiframework.com/wiki/621/filter-sort-by-calculated-related-fields-in-gridview-yii-2-0/
if (!empty($this->translation)) {
$query->joinWith(['messages' => function ($q) {
$q->where(['like', Message::tableName() . '.translation', $this->translation]);
}]);
}
$query->andFilterWhere(['like', 'category', $this->category])->andFilterWhere(['like', 'message', $this->message]);
return $dataProvider;
}