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<?php |
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declare(strict_types=1); |
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namespace ProjetNormandie\ForumBundle\Service; |
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use Doctrine\ORM\EntityManagerInterface; |
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use ProjetNormandie\ForumBundle\Entity\Forum; |
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use ProjetNormandie\ForumBundle\Entity\Topic; |
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use ProjetNormandie\ForumBundle\Entity\TopicUserLastVisit; |
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use ProjetNormandie\ForumBundle\Entity\ForumUserLastVisit; |
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class TopicReadService |
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{ |
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private EntityManagerInterface $em; |
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public function __construct(EntityManagerInterface $em) |
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{ |
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$this->em = $em; |
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} |
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/** |
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* Marque un topic comme lu pour un utilisateur |
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* |
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* @param mixed $user L'utilisateur |
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* @param Topic $topic Le topic à marquer comme lu |
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* @param bool $flush Si true, fait le flush automatiquement |
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* @return array Informations sur l'opération |
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*/ |
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public function markTopicAsRead($user, Topic $topic, bool $flush = true): array |
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{ |
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$now = new \DateTime(); |
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$forum = $topic->getForum(); |
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// 1. Vérifier si le topic est déjà lu |
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$topicVisit = $this->em->getRepository(TopicUserLastVisit::class) |
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->findOneBy(['user' => $user, 'topic' => $topic]); |
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$wasAlreadyRead = false; |
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if ($topicVisit && $topic->getLastMessage()) { |
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$wasAlreadyRead = $topicVisit->getLastVisitedAt() >= $topic->getLastMessage()->getCreatedAt(); |
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} |
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// Si déjà lu, pas besoin de continuer |
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if ($wasAlreadyRead) { |
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return [ |
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'topicMarkedAsRead' => false, |
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'forumMarkedAsRead' => false, |
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'wasAlreadyRead' => true |
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]; |
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} |
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// 2. Mettre à jour ou créer la visite du topic |
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if ($topicVisit) { |
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$topicVisit->setLastVisitedAt($now); |
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} else { |
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$topicVisit = new TopicUserLastVisit(); |
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$topicVisit->setUser($user); |
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$topicVisit->setTopic($topic); |
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$topicVisit->setLastVisitedAt($now); |
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$this->em->persist($topicVisit); |
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} |
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// 3. Vérifier si tous les topics du forum sont maintenant lus |
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$unreadTopicsCount = $this->countUnreadTopicsInForum($user, $forum); |
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$forumMarkedAsRead = false; |
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// 4. Si aucun topic non lu, marquer le forum comme lu |
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if ($unreadTopicsCount === 0) { |
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$forumVisit = $this->em->getRepository(ForumUserLastVisit::class) |
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->findOneBy(['user' => $user, 'forum' => $forum]); |
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if ($forumVisit) { |
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$forumVisit->setLastVisitedAt($now); |
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} else { |
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$forumVisit = new ForumUserLastVisit(); |
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$forumVisit->setUser($user); |
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$forumVisit->setForum($forum); |
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$forumVisit->setLastVisitedAt($now); |
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$this->em->persist($forumVisit); |
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} |
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$forumMarkedAsRead = true; |
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} |
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if ($flush) { |
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$this->em->flush(); |
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} |
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return [ |
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'topicMarkedAsRead' => true, |
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'forumMarkedAsRead' => $forumMarkedAsRead, |
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'wasAlreadyRead' => false |
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]; |
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} |
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/** |
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* Compte le nombre de topics non lus dans un forum |
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*/ |
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private function countUnreadTopicsInForum($user, Forum $forum): int |
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{ |
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try { |
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// Topics visités mais avec nouveaux messages |
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$visitedUnreadQuery = $this->em->createQueryBuilder() |
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->select('COUNT(t.id)') |
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->from('ProjetNormandie\ForumBundle\Entity\TopicUserLastVisit', 'tuv') |
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->join('tuv.topic', 't') |
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->join('t.lastMessage', 'lm') |
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->where('t.forum = :forum') |
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->andWhere('tuv.user = :user') |
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->andWhere('lm.createdAt > tuv.lastVisitedAt') |
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->setParameter('forum', $forum) |
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->setParameter('user', $user); |
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$visitedUnread = (int) $visitedUnreadQuery->getQuery()->getSingleScalarResult(); |
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// Topics jamais visités avec des messages |
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$neverVisitedQuery = $this->em->createQueryBuilder() |
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->select('COUNT(t.id)') |
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->from('ProjetNormandie\ForumBundle\Entity\Topic', 't') |
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->where('t.forum = :forum') |
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->andWhere('t.lastMessage IS NOT NULL') |
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->andWhere('t.id NOT IN ( |
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SELECT IDENTITY(tuv2.topic) |
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FROM ProjetNormandie\ForumBundle\Entity\TopicUserLastVisit tuv2 |
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WHERE tuv2.user = :user |
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)') |
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->setParameter('forum', $forum) |
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->setParameter('user', $user); |
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$neverVisited = (int) $neverVisitedQuery->getQuery()->getSingleScalarResult(); |
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return $visitedUnread + $neverVisited; |
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} catch (\Exception) { |
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return 0; |
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} |
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} |
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} |
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projet-normandie /
forum-bundle
