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<?php |
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namespace App\Repository; |
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use App\Entity\Article; |
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use App\Entity\User; |
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use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository; |
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use Doctrine\ORM\NonUniqueResultException; |
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use Doctrine\ORM\QueryBuilder; |
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use Symfony\Bridge\Doctrine\RegistryInterface; |
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/** |
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* @method Article|null find($id, $lockMode = null, $lockVersion = null) |
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* @method Article|null findOneBy(array $criteria, array $orderBy = null) |
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* @method Article[] findAll() |
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* @method Article[] findBy(array $criteria, array $orderBy = null, $limit = null, $offset = null) |
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*/ |
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class ArticleRepository extends ServiceEntityRepository |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __construct(RegistryInterface $registry) |
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{ |
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parent::__construct($registry, Article::class); |
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} |
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/** |
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* @param null|string $tag |
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* @param null|string $authorUsername |
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* @param null|string $favoritedByUsername |
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* |
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* @return QueryBuilder |
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*/ |
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private function getArticlesListQueryBuilder(?string $tag, ?string $authorUsername, ?string $favoritedByUsername) |
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{ |
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$qb = $this |
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->createQueryBuilder('a') |
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->innerJoin('a.author', 'author') |
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->orderBy('a.id', 'desc'); |
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if ($tag) { |
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$qb->innerJoin('a.tags', 't'); |
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$qb->andWhere('t.name = :tag'); |
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$qb->setParameter('tag', $tag); |
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} |
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if ($authorUsername) { |
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$qb->andWhere('author.username = :author_username'); |
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$qb->setParameter('author_username', $authorUsername); |
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} |
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if ($favoritedByUsername) { |
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$qb->innerJoin('a.favoritedBy', 'favoritedBy'); |
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$qb->andWhere('favoritedBy.username = :favoritedby_username'); |
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$qb->setParameter('favoritedby_username', $favoritedByUsername); |
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} |
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return $qb; |
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} |
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/** |
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* @param null|string $tag |
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* @param null|string $authorUsername |
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* @param null|string $favoritedByUsername |
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* |
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* @return int |
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*/ |
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public function getArticlesListCount(?string $tag, ?string $authorUsername, ?string $favoritedByUsername) |
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{ |
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try { |
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return (int) $this |
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->getArticlesListQueryBuilder($tag, $authorUsername, $favoritedByUsername) |
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->select('count(a.id) as total') |
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->getQuery() |
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->getSingleScalarResult(); |
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} catch (NonUniqueResultException $e) { |
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return 0; |
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} |
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} |
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/** |
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* @param int $offset |
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* @param int $limit |
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* @param null|string $tag |
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* @param null|string $authorUsername |
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* @param null|string $favoritedByUsername |
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* |
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* @return Article[] |
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*/ |
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public function getArticlesList(int $offset, int $limit, ?string $tag, ?string $authorUsername, ?string $favoritedByUsername) |
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{ |
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return $this |
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->getArticlesListQueryBuilder($tag, $authorUsername, $favoritedByUsername) |
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->setFirstResult($offset) |
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->setMaxResults($limit) |
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->getQuery() |
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->getResult(); |
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} |
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/** |
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* @param User $user |
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* |
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* @return QueryBuilder |
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*/ |
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private function getArticlesFeedQueryBuilder(User $user) |
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{ |
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return $this |
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->createQueryBuilder('a') |
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->innerJoin('a.author', 'author') |
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->andWhere('author IN (:authors_ids)') |
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->setParameter('authors_ids', $user->getFolloweds()) |
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->orderBy('a.id', 'desc'); |
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} |
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/** |
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* @param User $user |
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* |
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* @return int |
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*/ |
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public function getArticlesFeedCount(User $user) |
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{ |
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try { |
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return (int) $this |
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->getArticlesFeedQueryBuilder($user) |
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->select('count(a.id) as total') |
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->getQuery() |
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->getSingleScalarResult(); |
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} catch (NonUniqueResultException $e) { |
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return 0; |
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} |
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} |
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/** |
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* @param User $user |
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* @param int $offset |
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* @param int $limit |
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* |
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* @return Article[] |
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*/ |
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public function getArticlesFeed(User $user, int $offset, int $limit) |
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{ |
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return $this |
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->getArticlesFeedQueryBuilder($user) |
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->setFirstResult($offset) |
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->setMaxResults($limit) |
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->getQuery() |
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->getResult(); |
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} |
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} |
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slashfan /
symfony-realworld-example-app
