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Use custom Doctrine hydrator.

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Pol Dellaiera 2021-06-30 15:49:23 +02:00
parent d208a79764
commit e1f8aa5a5e
1 changed files with 4 additions and 36 deletions
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40
src/Bundle/ChillPersonBundle/Controller/SocialIssueApiController.php
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@ -3,11 +3,9 @@
namespace Chill\PersonBundle\Controller; namespace Chill\PersonBundle\Controller;
use Chill\MainBundle\CRUD\Controller\ApiController; use Chill\MainBundle\CRUD\Controller\ApiController;
use Chill\MainBundle\Doctrine\ORM\Hydration\FlatHierarchyEntityHydrator;
use Chill\MainBundle\Pagination\PaginatorInterface; use Chill\MainBundle\Pagination\PaginatorInterface;
use Chill\PersonBundle\Entity\SocialWork\SocialIssue;
use DateTimeImmutable; use DateTimeImmutable;
use Doctrine\ORM\QueryBuilder;
use Generator;
use Symfony\Component\HttpFoundation\Request; use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response; use Symfony\Component\HttpFoundation\Response;
@ -26,23 +24,9 @@ class SocialIssueApiController extends ApiController
protected function getQueryResult(string $action, Request $request, string $_format, int $totalItems, PaginatorInterface $paginator, $query) protected function getQueryResult(string $action, Request $request, string $_format, int $totalItems, PaginatorInterface $paginator, $query)
{ {
// Create a lazy generator to avoid performance issues. // In order to work, this hydrator only works with
$generator = $this->buildRecursively( // entities having the field "children" set up.
$query->getQuery()->getResult(), return $query->getQuery()->getResult(FlatHierarchyEntityHydrator::LIST);
static fn (SocialIssue $socialIssue): iterable => $socialIssue->getChildren()
);
// Sadly, we must convert the generator into an array...
// so we lose all the performance gain we could have by using an iterator.
$results = [];
// Reduce the generator into an array containing once each SocialIssue.
foreach ($generator as $socialIssue) {
// If the current item hasn't been seen yet, add it to the resultset.
$results += [$socialIssue->getId() => $socialIssue];
}
return $results;
} }
protected function onPostIndexBuildQuery(string $action, Request $request, string $_format, int $totalItems, PaginatorInterface $paginator, $query): ?Response protected function onPostIndexBuildQuery(string $action, Request $request, string $_format, int $totalItems, PaginatorInterface $paginator, $query): ?Response
@ -53,20 +37,4 @@ class SocialIssueApiController extends ApiController
return null; return null;
} }
/**
* @param iterable<int, SocialIssue> $iterable
* @param callable(SocialIssue): iterable<int, SocialIssue> $childrenAccessor
*
* @return Generator<int, SocialIssue>
*/
private function buildRecursively(iterable $iterable, callable $childrenAccessor): Generator
{
foreach ($iterable as $item)
{
yield $item;
yield from $this->buildRecursively($childrenAccessor($item), $childrenAccessor);
}
}
} }