<?php

namespace app\components\data;

use yii\data\ActiveDataProvider as ParentActiveDataProvider;
use yii\base\InvalidConfigException;
use yii\db\QueryInterface;

class ActiveDataProvider extends ParentActiveDataProvider
{
    public function prepareQuery()
    {
        if (!$this->query instanceof QueryInterface) {
            throw new InvalidConfigException('The "query" property must be an instance of a class that implements the QueryInterface e.g. yii\db\Query or its subclasses.');
        }
        if (($pagination = $this->getPagination()) !== false) {
            $pagination->totalCount = $this->getTotalCount();
            $this->query->limit($pagination->getLimit())->offset($pagination->getOffset());
        }
        if (($sort = $this->getSort()) !== false) {
            $this->query->addOrderBy($sort->getOrders());
        }
        return $this;
    }

}