<?php
/**
 *
 */

namespace AppBundle\Pagination;


use Doctrine\ORM\QueryBuilder;
use Pagerfanta\Adapter\DoctrineORMAdapter;
use Pagerfanta\Pagerfanta;
use Symfony\Component\HttpFoundation\Request;

class PaginatedCollection
{

    /**
     * @var DoctrineORMAdapter
     */
    private $adapter;

    /**
     * @var mixed
     */
    private $page;

    /**
     * @var Pagerfanta
     */
    private $pagerFanta;

    /**
     * PaginatedCollection constructor.
     * @param QueryBuilder $queryBuilder
     * @param Request $request
     * @param int $maxPerPage
     */
    public function __construct(QueryBuilder $queryBuilder, Request $request, int $maxPerPage)
    {
        $this->adapter = new DoctrineORMAdapter($queryBuilder);
        $this->page = $request->query->get('page', 1);
        $this->pagerFanta = new Pagerfanta($this->adapter);
        $this->pagerFanta->setMaxPerPage($maxPerPage);
        $this->pagerFanta->setCurrentPage($this->page);

        return $this->pagerFanta->getIterator();
    }

}