DetailsCrossesSearch.php
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<?php
namespace common\models;
use Yii;
use yii\base\Model;
use yii\data\ActiveDataProvider;
use common\models\DetailsCrosses;
/**
 * DetailsCrossesSearch represents the model behind the search form about `common\models\DetailsCrosses`.
 */
class DetailsCrossesSearch extends DetailsCrosses
{
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['ARTICLE', 'BRAND', 'CROSS_BRAND', 'CROSS_ARTICLE'], 'safe'],
        ];
    }
    /**
     * @inheritdoc
     */
    public function scenarios()
    {
        // bypass scenarios() implementation in the parent class
        return Model::scenarios();
    }
    /**
     * Creates data provider instance with search query applied
     *
     * @param array $params
     *
     * @return ActiveDataProvider
     */
    public function search($params)
    {
        $query = DetailsCrosses::find();
        $pagination = [
            'pageSize' => 20,
        ];
        // удалим пустые параметры
//        if ( isset($params['DetailsCrossesSearch']) && is_array( $params['DetailsCrossesSearch'] )) {
//            $params['DetailsCrossesSearch'] = array_filter( $params['DetailsCrossesSearch'], function($val){
//                return $val !="";
//            });
//        }
        $this->load($params);
        if ( !$this->validate() ) {
             $query->where('0=1');
        }
        if (  !$params  || !isset($params['DetailsCrossesSearch']) ) {
            // если не переданы параметры - показываем первые 100 записей
            $pagination = false;
            $query->limit = 100;
        }
        $query->andFilterWhere([
            'ARTICLE' => $this->ARTICLE,
            'BRAND' => $this->BRAND,
            'CROSS_BRAND' => $this->CROSS_BRAND,
            'CROSS_ARTICLE' => $this->CROSS_ARTICLE,
        ]);
        $dataProvider = new ActiveDataProvider([
            'query' => $query,
            'pagination' => $pagination,
        ]);
        return $dataProvider;
    }
}