Yarik / vitex

  <?php

      namespace common\modules\product\models;
      
      use yii\base\Model;
      use yii\data\ActiveDataProvider;

      /**

       * ProductUnitSearch represents the model behind the search form about
       * `common\modules\product\models\ProductUnit`.

       */

      class ProductUnitSearch extends ProductUnit

      {

          
          public $name;
          
          public function behaviors()
          {
              return [];
          }
          
          public function attributeLabels()
          {
              $labels = parent::attributeLabels();
              $new_labels = [
                  'name' => \Yii::t('product', 'Product Unit Name'),
              ];
              return array_merge($labels, $new_labels);
          }
          
          /**
           * @inheritdoc
           */
          public function rules()
          {
              return [
                  [
                      [ 'name' ],
                      'safe',
                  ],
                  [
                      [ 'product_unit_id' ],
                      'integer',
                  ],
                  [
                      [ 'is_default' ],
                      'boolean',
                  ],
              ];
          }
          
          /**
           * @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 = ProductUnit::find()->joinWith('lang');
              
              // add conditions that should always apply here
              
              $dataProvider = new ActiveDataProvider([
                  'query' => $query,
                  'sort'  => [
                      'attributes' => [
                          'product_unit_id',
                          'is_defaut',
                          'name' => [
                              'asc' => [ 'product_unit_lang.name' => SORT_ASC ],
                              'desc' => [ 'product_unit_lang.name' => SORT_DESC ],
                          ],
                      ],
                  ],
              ]);
              
              $this->load($params);
              
              if(!$this->validate()) {
                  // uncomment the following line if you do not want to return any records when validation fails
                  // $query->where('0=1');
                  return $dataProvider;
              }
              
              // grid filtering conditions
              $query->andFilterWhere([
                  'product_unit_id' => $this->product_unit_id,
                  'is_default'      => $this->is_default,
              ])
                    ->andFilterWhere([
                        'ilike',
                        'product_unit_lang.name',
                        $this->name,
                    ]);
              

              return $dataProvider;
          }

      }