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<?php |
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declare(strict_types=1); |
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namespace Shlinkio\Shlink\Core\Service; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Shlinkio\Shlink\Core\Entity\ShortUrl; |
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use Shlinkio\Shlink\Core\Exception\InvalidUrlException; |
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use Shlinkio\Shlink\Core\Exception\NonUniqueSlugException; |
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use Shlinkio\Shlink\Core\Model\ShortUrlMeta; |
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use Shlinkio\Shlink\Core\Repository\ShortUrlRepositoryInterface; |
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use Shlinkio\Shlink\Core\Service\ShortUrl\ShortCodeHelperInterface; |
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use Shlinkio\Shlink\Core\ShortUrl\Resolver\ShortUrlRelationResolverInterface; |
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use Shlinkio\Shlink\Core\Util\TagManagerTrait; |
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use Shlinkio\Shlink\Core\Util\UrlValidatorInterface; |
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use Throwable; |
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class UrlShortener implements UrlShortenerInterface |
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{ |
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use TagManagerTrait; |
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private EntityManagerInterface $em; |
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private UrlValidatorInterface $urlValidator; |
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private ShortUrlRelationResolverInterface $relationResolver; |
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private ShortCodeHelperInterface $shortCodeHelper; |
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public function __construct( |
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UrlValidatorInterface $urlValidator, |
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EntityManagerInterface $em, |
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ShortUrlRelationResolverInterface $relationResolver, |
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ShortCodeHelperInterface $shortCodeHelper |
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) { |
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$this->urlValidator = $urlValidator; |
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$this->em = $em; |
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$this->relationResolver = $relationResolver; |
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$this->shortCodeHelper = $shortCodeHelper; |
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} |
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/** |
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* @param string[] $tags |
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* @throws NonUniqueSlugException |
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* @throws InvalidUrlException |
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* @throws Throwable |
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*/ |
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public function shorten(string $url, array $tags, ShortUrlMeta $meta): ShortUrl |
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{ |
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// First, check if a short URL exists for all provided params |
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$existingShortUrl = $this->findExistingShortUrlIfExists($url, $tags, $meta); |
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if ($existingShortUrl !== null) { |
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return $existingShortUrl; |
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} |
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$this->urlValidator->validateUrl($url, $meta->doValidateUrl()); |
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return $this->em->transactional(function () use ($url, $tags, $meta) { |
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$shortUrl = new ShortUrl($url, $meta, $this->relationResolver); |
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$shortUrl->setTags($this->tagNamesToEntities($this->em, $tags)); |
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$this->verifyShortCodeUniqueness($meta, $shortUrl); |
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$this->em->persist($shortUrl); |
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return $shortUrl; |
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}); |
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} |
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private function findExistingShortUrlIfExists(string $url, array $tags, ShortUrlMeta $meta): ?ShortUrl |
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{ |
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if (! $meta->findIfExists()) { |
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return null; |
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} |
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/** @var ShortUrlRepositoryInterface $repo */ |
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$repo = $this->em->getRepository(ShortUrl::class); |
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return $repo->findOneMatching($url, $tags, $meta); |
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} |
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private function verifyShortCodeUniqueness(ShortUrlMeta $meta, ShortUrl $shortUrlToBeCreated): void |
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{ |
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$couldBeMadeUnique = $this->shortCodeHelper->ensureShortCodeUniqueness( |
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$shortUrlToBeCreated, |
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$meta->hasCustomSlug(), |
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); |
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if (! $couldBeMadeUnique) { |
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$domain = $shortUrlToBeCreated->getDomain(); |
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$domainAuthority = $domain !== null ? $domain->getAuthority() : null; |
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throw NonUniqueSlugException::fromSlug($shortUrlToBeCreated->getShortCode(), $domainAuthority); |
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} |
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} |
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} |
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shlinkio /
shlink
