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<?php |
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declare(strict_types=1); |
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namespace Shlinkio\Shlink\Core\Entity; |
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use Cake\Chronos\Chronos; |
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use Doctrine\Common\Collections\ArrayCollection; |
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use Doctrine\Common\Collections\Collection; |
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use Shlinkio\Shlink\Common\Entity\AbstractEntity; |
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use Shlinkio\Shlink\Core\Domain\Resolver\DomainResolverInterface; |
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use Shlinkio\Shlink\Core\Domain\Resolver\SimpleDomainResolver; |
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use Shlinkio\Shlink\Core\Exception\ShortCodeCannotBeRegeneratedException; |
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use Shlinkio\Shlink\Core\Model\ShortUrlMeta; |
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use Zend\Diactoros\Uri; |
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use function array_reduce; |
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use function count; |
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use function Functional\contains; |
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use function Functional\invoke; |
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use function Shlinkio\Shlink\Core\generateRandomShortCode; |
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class ShortUrl extends AbstractEntity |
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{ |
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/** @var string */ |
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private $longUrl; |
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/** @var string */ |
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private $shortCode; |
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/** @var Chronos */ |
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private $dateCreated; |
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/** @var Collection|Visit[] */ |
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private $visits; |
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/** @var Collection|Tag[] */ |
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private $tags; |
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/** @var Chronos|null */ |
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private $validSince; |
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/** @var Chronos|null */ |
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private $validUntil; |
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/** @var integer|null */ |
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private $maxVisits; |
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/** @var Domain|null */ |
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private $domain; |
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/** @var bool */ |
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private $customSlugWasProvided; |
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public function __construct( |
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string $longUrl, |
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?ShortUrlMeta $meta = null, |
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?DomainResolverInterface $domainResolver = null |
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) { |
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$meta = $meta ?? ShortUrlMeta::createEmpty(); |
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$this->longUrl = $longUrl; |
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$this->dateCreated = Chronos::now(); |
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$this->visits = new ArrayCollection(); |
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$this->tags = new ArrayCollection(); |
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$this->validSince = $meta->getValidSince(); |
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$this->validUntil = $meta->getValidUntil(); |
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$this->maxVisits = $meta->getMaxVisits(); |
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$this->customSlugWasProvided = $meta->hasCustomSlug(); |
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$this->shortCode = $meta->getCustomSlug() ?? generateRandomShortCode(); |
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$this->domain = ($domainResolver ?? new SimpleDomainResolver())->resolveDomain($meta->getDomain()); |
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} |
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public function getLongUrl(): string |
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{ |
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return $this->longUrl; |
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} |
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public function getShortCode(): string |
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{ |
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return $this->shortCode; |
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} |
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public function getDateCreated(): Chronos |
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{ |
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return $this->dateCreated; |
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} |
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/** |
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* @return Collection|Tag[] |
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*/ |
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public function getTags(): Collection |
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{ |
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return $this->tags; |
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} |
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/** |
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* @param Collection|Tag[] $tags |
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*/ |
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public function setTags(Collection $tags): self |
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{ |
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$this->tags = $tags; |
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return $this; |
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} |
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public function updateMeta(ShortUrlMeta $shortCodeMeta): void |
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{ |
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if ($shortCodeMeta->hasValidSince()) { |
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$this->validSince = $shortCodeMeta->getValidSince(); |
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} |
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if ($shortCodeMeta->hasValidUntil()) { |
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$this->validUntil = $shortCodeMeta->getValidUntil(); |
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} |
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if ($shortCodeMeta->hasMaxVisits()) { |
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$this->maxVisits = $shortCodeMeta->getMaxVisits(); |
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} |
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} |
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/** |
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* @throws ShortCodeCannotBeRegeneratedException |
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*/ |
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public function regenerateShortCode(): self |
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{ |
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// In ShortUrls where a custom slug was provided, do nothing |
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if ($this->customSlugWasProvided) { |
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throw ShortCodeCannotBeRegeneratedException::forShortUrlWithCustomSlug(); |
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} |
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// The short code can be regenerated only on ShortUrl which have not been persisted yet |
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if ($this->id !== null) { |
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throw ShortCodeCannotBeRegeneratedException::forShortUrlAlreadyPersisted(); |
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} |
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$this->shortCode = generateRandomShortCode(); |
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return $this; |
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} |
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public function getValidSince(): ?Chronos |
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{ |
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return $this->validSince; |
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} |
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public function getValidUntil(): ?Chronos |
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{ |
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return $this->validUntil; |
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} |
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public function getVisitsCount(): int |
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{ |
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return count($this->visits); |
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} |
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/** |
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* @param Collection|Visit[] $visits |
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* @return ShortUrl |
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* @internal |
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*/ |
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public function setVisits(Collection $visits): self |
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{ |
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$this->visits = $visits; |
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return $this; |
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} |
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public function getMaxVisits(): ?int |
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{ |
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return $this->maxVisits; |
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} |
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public function maxVisitsReached(): bool |
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{ |
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return $this->maxVisits !== null && $this->getVisitsCount() >= $this->maxVisits; |
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} |
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public function toString(array $domainConfig): string |
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{ |
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return (string) (new Uri())->withPath($this->shortCode) |
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->withScheme($domainConfig['schema'] ?? 'http') |
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->withHost($this->resolveDomain($domainConfig['hostname'] ?? '')); |
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} |
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private function resolveDomain(string $fallback = ''): string |
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{ |
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if ($this->domain === null) { |
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return $fallback; |
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} |
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return $this->domain->getAuthority(); |
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} |
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public function matchesCriteria(ShortUrlMeta $meta, array $tags): bool |
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{ |
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if ($meta->hasMaxVisits() && $meta->getMaxVisits() !== $this->maxVisits) { |
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return false; |
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} |
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if ($meta->hasDomain() && $meta->getDomain() !== $this->resolveDomain()) { |
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return false; |
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} |
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if ($meta->hasValidSince() && ! $meta->getValidSince()->eq($this->validSince)) { |
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return false; |
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} |
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if ($meta->hasValidUntil() && ! $meta->getValidUntil()->eq($this->validUntil)) { |
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return false; |
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} |
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$shortUrlTags = invoke($this->getTags(), '__toString'); |
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$hasAllTags = count($shortUrlTags) === count($tags) && array_reduce( |
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$tags, |
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function (bool $hasAllTags, string $tag) use ($shortUrlTags) { |
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return $hasAllTags && contains($shortUrlTags, $tag); |
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}, |
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true |
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); |
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return $hasAllTags; |
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} |
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} |
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shlinkio /
shlink
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