<?php
/**
 * 排序条件限制规范.
 *
 * @author nj
 * @date   2021-01-16 17:38:16
 */

namespace App\Repositories\Criterias;

use Illuminate\Database\Eloquent\Builder;
use KZ2\Laravel\Repositories\Contracts\RepositoryInterface;
use KZ2\Laravel\Repositories\Criteria\Criteria;

class OrderLimitCriteria extends Criteria
{
    private $order = [];

    private $limit = 0;

    public function __construct($order = [], $limit = 0)
    {
        $this->order = $order;
        $this->limit = $limit;
    }

    public function apply($model, RepositoryInterface $repository)
    {
        if (!empty($this->order)) {
            foreach ($this->order as $item) {
                $model = $model->orderBy($item[0], $item[1]);
            }
        }

        if (!empty($this->limit)) {
            $model = $model->take($this->limit);
        }

        return $model;
    }
}