Pagination PagerFanta Symfony4 - php

Question

I make an API with Symfony4 and
I use the PagerFanta bundle. I made an AbstractRepository abstract class for my pagination:
<?php
namespace App\Repository;
use Doctrine\ORM\EntityRepository;
use Doctrine\ORM\QueryBuilder;
use Pagerfanta\Adapter\DoctrineORMAdapter;
use Pagerfanta\Pagerfanta;
class AbstractRepository extends EntityRepository
{
protected function paginate(QueryBuilder $qb, $limit = 20, $offset = 0)
{
if (0 == $limit || 0 == $offset) {
throw new \LogicException('$limit & $offstet must be greater
than 0.');
}
$pager = new Pagerfanta(new DoctrineORMAdapter($qb));
$currentPage = ceil($offset + 1) / $limit;
$pager->setCurrentPage($currentPage);
$pager->setMaxPerPage((int)$limit);
return $pager;
}
}
My Entity Article:
<?php
namespace App\Entity;
use Doctrine\ORM\Mapping as ORM;
use JMS\Serializer\Annotation\Expose;
use JMS\Serializer\Annotation\ExclusionPolicy;
use Symfony\Component\Validator\Constraints as Assert;
/**
* Class Article
* #ORM\Entity(repositoryClass="App\Repository\ArticleRepository")
* #ORM\Table(name="article")
*
* #ExclusionPolicy("all")
*/
class Article
{
/**
* #ORM\Id()
* #ORM\Column(type="integer")
* #ORM\GeneratedValue()
*
* #Expose()
*/
private $id;
/**
* #ORM\Column(type="string")
* #Assert\NotBlank(groups={"Create"})
* #Expose()
*/
private $title;
/**
* #ORM\Column(type="string")
* #Assert\NotBlank(groups={"Create"})
* #Expose()
*/
private $content;
/**
* #return mixed
*/
public function getId()
{
return $this->id;
}
/**
* #param mixed $id
*/
public function setId($id): void
{
$this->id = $id;
}
/**
* #return mixed
*/
public function getTitle()
{
return $this->title;
}
/**
* #param mixed $title
*/
public function setTitle($title): void
{
$this->title = $title;
}
/**
* #return mixed
*/
public function getContent()
{
return $this->content;
}
/**
* #param mixed $content
*/
public function setContent($content): void
{
$this->content = $content;
}
}
I tested a var_dump of $ qb but I do not get the items already, My ArticleRepository:
<?php
namespace App\Repository;
class ArticleRepository extends AbstractRepository
{
public function search($term, $order = 'asc', $limit = 20, $offset = 0)
{
$qb = $this
->createQueryBuilder('a')
->select('a')
->orderBy('a.title', $order);
if ($term) {
$qb
->where('a.title LIKE ?1')
->setParameter(1, '%'.$term.'%');
}
return $this->paginate($qb, $limit, $offset);
}
}
My ArticleController:
<?php
namespace App\Controller;
use App\Entity\Article;
use FOS\RestBundle\Controller\Annotations as Rest;
use FOS\RestBundle\Controller\FOSRestController;
use FOS\RestBundle\Request\ParamFetcherInterface;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use App\Representation\Articles;
use Symfony\Component\Validator\ConstraintViolationList;
class ArticleController extends FOSRestController
{
/**
* #Rest\Get(
* path = "/articles/{id}",
* name = "app_article_show",
* requirements = {"id"="\d+"}
* )
* #Rest\View()
*/
public function showAction(Article $article)
{
return $article;
}
/**
* #Rest\Post(
* path = "/articles",
* name= "app_article_show",
* )
* #Rest\View(StatusCode= 201)
* #ParamConverter(
* "article", converter="fos_rest.request_body",
* options={
"validator"={ "groups"="Create"}
* }
* )
*/
public function createAction(Article $article, ConstraintViolationList $violations)
{
if (count($violations)) {
return $this->view($violations, Response::HTTP_BAD_REQUEST);
}
$em = $this->getDoctrine()->getManager();
$em->persist($article);
$em->flush();
return $this->view(
$article,
Response::HTTP_CREATED,
[
'Location' => $this->generateUrl('app_article_show', ['id', $article->getId()], UrlGeneratorInterface::ABSOLUTE_URL)
]
);
}
/**
* #Rest\Get(
* path="/articles",
* name="app_article_list"
* )
* #Rest\QueryParam(
* name="keyword",
* requirements="[a-zA-Z0-9]",
* nullable=true,
* description="The keyword to search for."
* )
* #Rest\QueryParam(
* name="order",
* requirements="asc|desc",
* default="asc",
* description="Sort order (asc or desc)"
* )
* #Rest\QueryParam(
* name="limit",
* requirements="\d+",
* default="15",
* description="Max number of movies per page."
* )
* #Rest\QueryParam(
* name="offset",
* requirements="\d+",
* default="0",
* description="The pagination offset"
* )
* #Rest\View()
*/
public function listAction(ParamFetcherInterface $paramFetcher)
{
$pager = $this->getDoctrine()->getRepository('App:Article')->search(
$paramFetcher->get('keyword'),
$paramFetcher->get('order'),
$paramFetcher->get('limit'),
$paramFetcher->get('offset')
);
return new Articles($pager);
}
}
My Articles in Representation:
<?php
namespace App\Representation;
use Pagerfanta\Pagerfanta;
use JMS\Serializer\Annotation\Type;
class Articles
{
/**
* #Type("ArrayCollection<App\Entity\Article>")
*/
public $data;
public $meta;
public function __construct(Pagerfanta $data)
{
$this->data = $data->getCurrentPageResults();
$this->addMeta('limit', $data->getMaxPerPage());
$this->addMeta('current_items', count($data->getCurrentPageResults()));
$this->addMeta('total_items', $data->getNbResults());
$this->addMeta('offset', $data->getCurrentPageOffsetStart());
}
public function addMeta($name, $value)
{
if (isset($this->meta[$name])) {
throw new \LogicException(sprintf('This meta already exists. You are trying to override this meta, use the setMeta method instead for the %s meta.', $name));
}
$this->setMeta($name, $value);
}
public function setMeta($name, $value)
{
$this->meta[$name] = $value;
}
}
And that's the mistake that returns to me postman:
When I var_dump in the repository I do not already recover the articles but I do not see why

Answer 1

I see my problem in AbstractRepository replace
$currentPage = ceil($offset + 1) / $limit;
per:
$currentPage = ceil(($offset + 1) / $limit);
And my ArticleController replace
* #Rest\QueryParam(
* name="offset",
* requirements="\d+",
* default="0",
* description="The pagination offset"
* )
* #Rest\View()
*/
per
* #Rest\QueryParam(
* name="offset",
* requirements="\d+",
* default="1",
* description="The pagination offset"
* )
* #Rest\View()
*/
Thanks