<?php

namespace common\models;

use Yii;
use yii\base\Model;
use yii\data\ActiveDataProvider;
use common\models\DetailsDescription;

/**
 * DetailsDescriptionSearch represents the model behind the search form about `common\models\DetailsDescription`.
 */
class DetailsDescriptionSearch extends DetailsDescription
{
    /**
     * @inheritdoc
     */
    public function rules()
    {
        return [
            [['name', 'brand'], '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 = DetailsDescription::find();

        $pagination = [
            'pageSize' => 20,
        ];

        // удалим пустые параметры
        if ( isset( $params['DetailsDescriptionSearch'] ) && is_array( $params['DetailsDescriptionSearch'] )) {
            $params['DetailsDescriptionSearch'] = array_filter( $params['DetailsDescriptionSearch'], function($val){
                return $val !="";
            });
        }

        $this->load($params);

        if (!$this->validate()) {

             $query->where('0=1');

        }

        if (  !$params || !$params['DetailsDescriptionSearch'] ) {
            // если не переданы параметры - показываем первые 100 записей
            $pagination = false;
            $query->limit = 100;

        }

        $query->andFilterWhere([
            'name' => $this->name,
            'brand' => $this->brand,
        ]);

        $dataProvider = new ActiveDataProvider([
            'query' => $query,
            'pagination' => $pagination,
        ]);

        return $dataProvider;
    }
}