Extracted method to find crawlable short codes to its own query object

This commit is contained in:
Alejandro Celaya 2022-12-14 14:38:22 +01:00
parent 73c8b53882
commit 60ef98b836
9 changed files with 114 additions and 80 deletions

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@ -50,6 +50,10 @@ return [
EntityRepositoryFactory::class,
ShortUrl\Entity\ShortUrl::class,
],
ShortUrl\Repository\CrawlableShortCodesQuery::class => [
EntityRepositoryFactory::class,
ShortUrl\Entity\ShortUrl::class,
],
Tag\TagService::class => ConfigAbstractFactory::class,

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@ -4,20 +4,16 @@ declare(strict_types=1);
namespace Shlinkio\Shlink\Core\Crawling;
use Doctrine\ORM\EntityManagerInterface;
use Shlinkio\Shlink\Core\ShortUrl\Entity\ShortUrl;
use Shlinkio\Shlink\Core\ShortUrl\Repository\ShortUrlRepositoryInterface;
use Shlinkio\Shlink\Core\ShortUrl\Repository\CrawlableShortCodesQueryInterface;
class CrawlingHelper implements CrawlingHelperInterface
{
public function __construct(private EntityManagerInterface $em)
public function __construct(private readonly CrawlableShortCodesQueryInterface $query)
{
}
public function listCrawlableShortCodes(): iterable
{
/** @var ShortUrlRepositoryInterface $repo */
$repo = $this->em->getRepository(ShortUrl::class);
yield from $repo->findCrawlableShortCodes();
yield from ($this->query)();
}
}

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@ -0,0 +1,38 @@
<?php
declare(strict_types=1);
namespace Shlinkio\Shlink\Core\ShortUrl\Repository;
use Happyr\DoctrineSpecification\Repository\EntitySpecificationRepository;
use Shlinkio\Shlink\Core\ShortUrl\Entity\ShortUrl;
class CrawlableShortCodesQuery extends EntitySpecificationRepository implements CrawlableShortCodesQueryInterface
{
/**
* @return iterable<string>
*/
public function __invoke(): iterable
{
$blockSize = 1000;
$qb = $this->getEntityManager()->createQueryBuilder();
$qb->select('DISTINCT s.shortCode')
->from(ShortUrl::class, 's')
->where($qb->expr()->eq('s.crawlable', ':crawlable'))
->setParameter('crawlable', true)
->setMaxResults($blockSize);
$page = 0;
do {
$qbClone = (clone $qb)->setFirstResult($blockSize * $page);
$iterator = $qbClone->getQuery()->toIterable();
$resultsFound = false;
$page++;
foreach ($iterator as ['shortCode' => $shortCode]) {
$resultsFound = true;
yield $shortCode;
}
} while ($resultsFound);
}
}

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@ -0,0 +1,13 @@
<?php
declare(strict_types=1);
namespace Shlinkio\Shlink\Core\ShortUrl\Repository;
interface CrawlableShortCodesQueryInterface
{
/**
* @return iterable<string>
*/
public function __invoke(): iterable;
}

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@ -190,28 +190,4 @@ class ShortUrlRepository extends EntitySpecificationRepository implements ShortU
$qb->andWhere($qb->expr()->isNull('s.domain'));
}
}
public function findCrawlableShortCodes(): iterable
{
$blockSize = 1000;
$qb = $this->getEntityManager()->createQueryBuilder();
$qb->select('DISTINCT s.shortCode')
->from(ShortUrl::class, 's')
->where($qb->expr()->eq('s.crawlable', ':crawlable'))
->setParameter('crawlable', true)
->setMaxResults($blockSize);
$page = 0;
do {
$qbClone = (clone $qb)->setFirstResult($blockSize * $page);
$iterator = $qbClone->getQuery()->toIterable();
$resultsFound = false;
$page++;
foreach ($iterator as ['shortCode' => $shortCode]) {
$resultsFound = true;
yield $shortCode;
}
} while ($resultsFound);
}
}

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@ -25,6 +25,4 @@ interface ShortUrlRepositoryInterface extends ObjectRepository, EntitySpecificat
public function findOneMatching(ShortUrlCreation $meta): ?ShortUrl;
public function findOneByImportedUrl(ImportedShlinkUrl $url): ?ShortUrl;
public function findCrawlableShortCodes(): iterable;
}

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@ -0,0 +1,50 @@
<?php
declare(strict_types=1);
namespace ShlinkioDbTest\Shlink\Core\ShortUrl\Repository;
use Shlinkio\Shlink\Core\ShortUrl\Entity\ShortUrl;
use Shlinkio\Shlink\Core\ShortUrl\Model\ShortUrlCreation;
use Shlinkio\Shlink\Core\ShortUrl\Repository\CrawlableShortCodesQuery;
use Shlinkio\Shlink\TestUtils\DbTest\DatabaseTestCase;
class CrawlableShortCodesQueryTest extends DatabaseTestCase
{
private CrawlableShortCodesQuery $query;
protected function setUp(): void
{
$em = $this->getEntityManager();
$this->query = new CrawlableShortCodesQuery($em, $em->getClassMetadata(ShortUrl::class));
}
/** @test */
public function invokingQueryReturnsExpectedResult(): void
{
$createShortUrl = fn (bool $crawlable) => ShortUrl::create(
ShortUrlCreation::fromRawData(['crawlable' => $crawlable, 'longUrl' => 'foo.com']),
);
$shortUrl1 = $createShortUrl(true);
$this->getEntityManager()->persist($shortUrl1);
$shortUrl2 = $createShortUrl(false);
$this->getEntityManager()->persist($shortUrl2);
$shortUrl3 = $createShortUrl(true);
$this->getEntityManager()->persist($shortUrl3);
$shortUrl4 = $createShortUrl(true);
$this->getEntityManager()->persist($shortUrl4);
$shortUrl5 = $createShortUrl(false);
$this->getEntityManager()->persist($shortUrl5);
$this->getEntityManager()->flush();
$results = [...($this->query)()];
self::assertCount(3, $results);
self::assertContains($shortUrl1->getShortCode(), $results);
self::assertContains($shortUrl3->getShortCode(), $results);
self::assertContains($shortUrl4->getShortCode(), $results);
self::assertNotContains($shortUrl2->getShortCode(), $results);
self::assertNotContains($shortUrl5->getShortCode(), $results);
}
}

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@ -391,37 +391,4 @@ class ShortUrlRepositoryTest extends DatabaseTestCase
self::assertNull($this->repo->findOneByImportedUrl($buildImported('my-cool-slug', 'doma.in')));
self::assertNull($this->repo->findOneByImportedUrl($buildImported('another-slug')));
}
/** @test */
public function findCrawlableShortCodesReturnsExpectedResult(): void
{
$createShortUrl = fn (bool $crawlable) => ShortUrl::create(
ShortUrlCreation::fromRawData(['crawlable' => $crawlable, 'longUrl' => 'foo.com']),
);
$shortUrl1 = $createShortUrl(true);
$this->getEntityManager()->persist($shortUrl1);
$shortUrl2 = $createShortUrl(false);
$this->getEntityManager()->persist($shortUrl2);
$shortUrl3 = $createShortUrl(true);
$this->getEntityManager()->persist($shortUrl3);
$shortUrl4 = $createShortUrl(true);
$this->getEntityManager()->persist($shortUrl4);
$shortUrl5 = $createShortUrl(false);
$this->getEntityManager()->persist($shortUrl5);
$this->getEntityManager()->flush();
$iterable = $this->repo->findCrawlableShortCodes();
$results = [];
foreach ($iterable as $shortCode) {
$results[] = $shortCode;
}
self::assertCount(3, $results);
self::assertContains($shortUrl1->getShortCode(), $results);
self::assertContains($shortUrl3->getShortCode(), $results);
self::assertContains($shortUrl4->getShortCode(), $results);
self::assertNotContains($shortUrl2->getShortCode(), $results);
self::assertNotContains($shortUrl5->getShortCode(), $results);
}
}

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@ -4,34 +4,26 @@ declare(strict_types=1);
namespace ShlinkioTest\Shlink\Core\Crawling;
use Doctrine\ORM\EntityManagerInterface;
use PHPUnit\Framework\MockObject\MockObject;
use PHPUnit\Framework\TestCase;
use Shlinkio\Shlink\Core\Crawling\CrawlingHelper;
use Shlinkio\Shlink\Core\ShortUrl\Entity\ShortUrl;
use Shlinkio\Shlink\Core\ShortUrl\Repository\ShortUrlRepositoryInterface;
use Shlinkio\Shlink\Core\ShortUrl\Repository\CrawlableShortCodesQueryInterface;
class CrawlingHelperTest extends TestCase
{
private CrawlingHelper $helper;
private MockObject & EntityManagerInterface $em;
private MockObject & CrawlableShortCodesQueryInterface $query;
protected function setUp(): void
{
$this->em = $this->createMock(EntityManagerInterface::class);
$this->helper = new CrawlingHelper($this->em);
$this->query = $this->createMock(CrawlableShortCodesQueryInterface::class);
$this->helper = new CrawlingHelper($this->query);
}
/** @test */
public function listCrawlableShortCodesDelegatesIntoRepository(): void
{
$repo = $this->createMock(ShortUrlRepositoryInterface::class);
$repo->expects($this->once())->method('findCrawlableShortCodes')->willReturn([]);
$this->em->expects($this->once())->method('getRepository')->with(ShortUrl::class)->willReturn($repo);
$result = $this->helper->listCrawlableShortCodes();
foreach ($result as $shortCode) {
// $result is a generator and therefore, it needs to be iterated
}
$this->query->expects($this->once())->method('__invoke')->willReturn([]);
[...$this->helper->listCrawlableShortCodes()];
}
}