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<?php |
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declare(strict_types=1); |
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namespace Shlinkio\Shlink\Core\Repository; |
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use Cake\Chronos\Chronos; |
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use Doctrine\ORM\EntityRepository; |
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use Doctrine\ORM\QueryBuilder; |
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use Shlinkio\Shlink\Core\Entity\ShortUrl; |
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use function array_column; |
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use function array_key_exists; |
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use function Functional\contains; |
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use function is_array; |
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use function key; |
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class ShortUrlRepository extends EntityRepository implements ShortUrlRepositoryInterface |
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{ |
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/** |
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* @param string[] $tags |
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* @param string|array|null $orderBy |
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* @return ShortUrl[] |
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*/ |
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public function findList( |
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?int $limit = null, |
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?int $offset = null, |
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?string $searchTerm = null, |
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array $tags = [], |
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$orderBy = null |
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): array { |
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$qb = $this->createListQueryBuilder($searchTerm, $tags); |
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$qb->select('DISTINCT s'); |
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// Set limit and offset |
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if ($limit !== null) { |
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$qb->setMaxResults($limit); |
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} |
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if ($offset !== null) { |
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$qb->setFirstResult($offset); |
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} |
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// In case the ordering has been specified, the query could be more complex. Process it |
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if ($orderBy !== null) { |
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return $this->processOrderByForList($qb, $orderBy); |
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} |
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// With no order by, order by date and just return the list of ShortUrls |
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$qb->orderBy('s.dateCreated'); |
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return $qb->getQuery()->getResult(); |
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} |
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private function processOrderByForList(QueryBuilder $qb, $orderBy): array |
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{ |
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// Map public field names to column names |
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$fieldNameMap = [ |
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'originalUrl' => 'longUrl', |
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'longUrl' => 'longUrl', |
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'shortCode' => 'shortCode', |
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'dateCreated' => 'dateCreated', |
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]; |
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$fieldName = is_array($orderBy) ? key($orderBy) : $orderBy; |
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$order = is_array($orderBy) ? $orderBy[$fieldName] : 'ASC'; |
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if (contains(['visits', 'visitsCount', 'visitCount'], $fieldName)) { |
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$qb->addSelect('COUNT(DISTINCT v) AS totalVisits') |
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->leftJoin('s.visits', 'v') |
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->groupBy('s') |
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->orderBy('totalVisits', $order); |
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return array_column($qb->getQuery()->getResult(), 0); |
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} |
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if (array_key_exists($fieldName, $fieldNameMap)) { |
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$qb->orderBy('s.' . $fieldNameMap[$fieldName], $order); |
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} |
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return $qb->getQuery()->getResult(); |
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} |
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public function countList(?string $searchTerm = null, array $tags = []): int |
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{ |
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$qb = $this->createListQueryBuilder($searchTerm, $tags); |
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$qb->select('COUNT(DISTINCT s)'); |
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return (int) $qb->getQuery()->getSingleScalarResult(); |
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} |
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private function createListQueryBuilder(?string $searchTerm = null, array $tags = []): QueryBuilder |
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{ |
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$qb = $this->getEntityManager()->createQueryBuilder(); |
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$qb->from(ShortUrl::class, 's'); |
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$qb->where('1=1'); |
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// Apply search term to every searchable field if not empty |
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if (! empty($searchTerm)) { |
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// Left join with tags only if no tags were provided. In case of tags, an inner join will be done later |
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if (empty($tags)) { |
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$qb->leftJoin('s.tags', 't'); |
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} |
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$conditions = [ |
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$qb->expr()->like('s.longUrl', ':searchPattern'), |
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$qb->expr()->like('s.shortCode', ':searchPattern'), |
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$qb->expr()->like('t.name', ':searchPattern'), |
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]; |
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// Unpack and apply search conditions |
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$qb->andWhere($qb->expr()->orX(...$conditions)); |
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$qb->setParameter('searchPattern', '%' . $searchTerm . '%'); |
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} |
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// Filter by tags if provided |
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if (! empty($tags)) { |
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$qb->join('s.tags', 't') |
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->andWhere($qb->expr()->in('t.name', $tags)); |
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} |
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return $qb; |
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} |
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public function findOneByShortCode(string $shortCode, ?string $domain = null): ?ShortUrl |
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{ |
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// When ordering DESC, Postgres puts nulls at the beginning while the rest of supported DB engines put them at |
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// the bottom |
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$dbPlatform = $this->getEntityManager()->getConnection()->getDatabasePlatform()->getName(); |
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$ordering = $dbPlatform === 'postgresql' ? 'ASC' : 'DESC'; |
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$dql = <<<DQL |
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SELECT s |
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FROM Shlinkio\Shlink\Core\Entity\ShortUrl AS s |
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LEFT JOIN s.domain AS d |
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WHERE s.shortCode = :shortCode |
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AND (s.validSince <= :now OR s.validSince IS NULL) |
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AND (s.validUntil >= :now OR s.validUntil IS NULL) |
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AND (s.domain IS NULL OR d.authority = :domain) |
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ORDER BY s.domain {$ordering} |
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DQL; |
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$query = $this->getEntityManager()->createQuery($dql); |
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$query->setMaxResults(1) |
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->setParameters([ |
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'shortCode' => $shortCode, |
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'now' => Chronos::now(), |
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'domain' => $domain, |
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]); |
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// Since we ordered by domain, we will have first the URL matching provided domain, followed by the one |
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// with no domain (if any), so it is safe to fetch 1 max result and we will get: |
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// * The short URL matching both the short code and the domain, or |
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// * The short URL matching the short code but without any domain, or |
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// * No short URL at all |
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/** @var ShortUrl|null $shortUrl */ |
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$shortUrl = $query->getOneOrNullResult(); |
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return $shortUrl !== null && ! $shortUrl->maxVisitsReached() ? $shortUrl : null; |
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} |
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public function shortCodeIsInUse(string $slug, ?string $domain = null): bool |
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{ |
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$qb = $this->getEntityManager()->createQueryBuilder(); |
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$qb->select('COUNT(DISTINCT s.id)') |
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->from(ShortUrl::class, 's') |
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->where($qb->expr()->isNotNull('s.shortCode')) |
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->andWhere($qb->expr()->eq('s.shortCode', ':slug')) |
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->setParameter('slug', $slug); |
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if ($domain !== null) { |
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$qb->join('s.domain', 'd') |
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->andWhere($qb->expr()->eq('d.authority', ':authority')) |
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->setParameter('authority', $domain); |
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} else { |
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$qb->andWhere($qb->expr()->isNull('s.domain')); |
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} |
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$result = (int) $qb->getQuery()->getSingleScalarResult(); |
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return $result > 0; |
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} |
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} |
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shlinkio /
shlink
