*/ class SessionMapper extends QBMapper { public function __construct(IDBConnection $db) { parent::__construct($db, 'text_sessions', Session::class); } /** * @return array */ public function findAllDocuments(): array { $qb = $this->db->getQueryBuilder(); $qb->select('*') ->from($this->getTableName()); return $this->findEntities($qb); } /** * @param $documentId * @param $sessionId * @param $token * @return Session * @throws DoesNotExistException */ public function find(int $documentId, int $sessionId, string $token): Session { /* @var $qb IQueryBuilder */ $qb = $this->db->getQueryBuilder(); $result = $qb->select('*') ->from($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))) ->andWhere($qb->expr()->eq('id', $qb->createNamedParameter($sessionId))) ->andWhere($qb->expr()->eq('token', $qb->createNamedParameter($token))) ->executeQuery(); $data = $result->fetch(); $result->closeCursor(); if ($data === false) { throw new DoesNotExistException('Session is invalid'); } return Session::fromRow($data); } /** * @return Session[] * * @psalm-return array */ public function findAll(int $documentId): array { $qb = $this->db->getQueryBuilder(); $qb->select('id', 'color', 'document_id', 'last_awareness_message', 'last_contact', 'user_id', 'guest_name') ->from($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))); return $this->findEntities($qb); } public function countAll(int $documentId): int { $qb = $this->db->getQueryBuilder(); $qb->select('id', 'color', 'document_id', 'last_awareness_message', 'last_contact', 'user_id', 'guest_name') ->from($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))); $result = $qb->executeQuery(); $count = (int)$result->fetchOne(); $result->closeCursor(); return $count; } /** * @return Session[] * * @psalm-return array */ public function findAllActive(int $documentId): array { $qb = $this->db->getQueryBuilder(); $qb->select('id', 'color', 'document_id', 'last_awareness_message', 'last_contact', 'user_id', 'guest_name') ->from($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))) ->andWhere($qb->expr()->gt('last_contact', $qb->createNamedParameter(time() - SessionService::SESSION_VALID_TIME))); return $this->findEntities($qb); } /** * @return Session[] * * @psalm-return array */ public function findAllInactive(): array { $qb = $this->db->getQueryBuilder(); $qb->select('id', 'color', 'document_id', 'last_awareness_message', 'last_contact', 'user_id', 'guest_name') ->from($this->getTableName()) ->where($qb->expr()->lt('last_contact', $qb->createNamedParameter(time() - SessionService::SESSION_VALID_TIME))); return $this->findEntities($qb); } public function deleteInactiveWithoutSteps(?int $documentId = null): int { $lastContact = time() - SessionService::SESSION_VALID_TIME; $inactiveSessionBuilder = $this->db->getQueryBuilder(); $inactiveSessionBuilder->select('s.id') ->from('text_sessions', 's') ->leftJoin('s', 'text_steps', 'st', $inactiveSessionBuilder->expr()->eq('st.session_id', 's.id')) ->where($inactiveSessionBuilder->expr()->lt('last_contact', $inactiveSessionBuilder->createNamedParameter($lastContact))) ->andWhere($inactiveSessionBuilder->expr()->isNull('st.id')); if ($documentId !== null) { $inactiveSessionBuilder->andWhere($inactiveSessionBuilder->expr()->eq('s.document_id', $inactiveSessionBuilder->createNamedParameter($documentId))); } $result = $inactiveSessionBuilder->executeQuery(); $documentIds = array_map(function ($row) { return (int)$row['id']; }, $result->fetchAll()); $result->closeCursor(); $chunks = array_chunk($documentIds, 500); $deleteBuilder = $this->db->getQueryBuilder(); $deleteBuilder->delete($this->getTableName()) ->where($deleteBuilder->expr()->in('id', $deleteBuilder->createParameter('ids'), IQueryBuilder::PARAM_INT_ARRAY)); $deletedCount = 0; foreach ($chunks as $ids) { $deleteBuilder->setParameter('ids', $ids, IQueryBuilder::PARAM_INT_ARRAY); $deletedCount += $deleteBuilder->executeStatement(); } return $deletedCount; } public function deleteOldSessions(int $ageInSeconds): int { $startTime = microtime(true); $maxExecutionSeconds = 30; $batchSize = 1000; $deletedCount = 0; $ageThreshold = time() - $ageInSeconds; do { $oldSessionsQb = $this->db->getQueryBuilder(); $result = $oldSessionsQb->select('id') ->from('text_sessions') ->where($oldSessionsQb->expr()->lt('last_contact', $oldSessionsQb->createNamedParameter($ageThreshold))) ->setMaxResults($batchSize) ->executeQuery(); $sessionIds = array_map(function ($row) { return (int)$row['id']; }, $result->fetchAll()); $result->closeCursor(); if (empty($sessionIds)) { break; } $deleteSessionsQb = $this->db->getQueryBuilder(); $batchDeleted = $deleteSessionsQb->delete('text_sessions') ->where($deleteSessionsQb->expr()->in('id', $deleteSessionsQb->createParameter('ids'), IQueryBuilder::PARAM_INT_ARRAY)) ->setParameter('ids', $sessionIds, IQueryBuilder::PARAM_INT_ARRAY) ->executeStatement(); $deletedCount += $batchDeleted; } while ((microtime(true) - $startTime) < $maxExecutionSeconds); return $deletedCount; } public function deleteOrphanedSteps(int $ageInSeconds): int { $startTime = microtime(true); $maxExecutionSeconds = 30; $batchSize = 1000; $deletedCount = 0; $ageThreshold = time() - $ageInSeconds; do { $orphanedStepsQb = $this->db->getQueryBuilder(); $orphanedStepsQb->select('st.id') ->from('text_steps', 'st') ->leftJoin('st', 'text_sessions', 's', $orphanedStepsQb->expr()->eq('st.document_id', 's.document_id')) ->leftJoin('st', 'text_documents', 'd', $orphanedStepsQb->expr()->eq('st.document_id', 'd.id')) ->where($orphanedStepsQb->expr()->isNull('s.id')) ->andWhere($orphanedStepsQb->expr()->lt('st.timestamp', $orphanedStepsQb->createNamedParameter($ageThreshold))) ->andWhere( $orphanedStepsQb->expr()->orX( $orphanedStepsQb->expr()->isNull('d.id'), $orphanedStepsQb->expr()->lt('st.id', 'd.last_saved_version') ) ) ->setMaxResults($batchSize); $result = $orphanedStepsQb->executeQuery(); $stepIds = array_map(function ($row) { return (int)$row['id']; }, $result->fetchAll()); $result->closeCursor(); if (empty($stepIds)) { break; } $deleteQb = $this->db->getQueryBuilder(); $batchDeleted = $deleteQb->delete('text_steps') ->where($deleteQb->expr()->in('id', $deleteQb->createParameter('ids'), IQueryBuilder::PARAM_INT_ARRAY)) ->setParameter('ids', $stepIds, IQueryBuilder::PARAM_INT_ARRAY) ->executeStatement(); $deletedCount += $batchDeleted; } while ((microtime(true) - $startTime) < $maxExecutionSeconds); return $deletedCount; } public function deleteByDocumentId(int $documentId): int { $qb = $this->db->getQueryBuilder(); $qb->delete($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))); return $qb->executeStatement(); } public function clearAll(): void { $qb = $this->db->getQueryBuilder(); $qb->delete($this->getTableName()) ->executeStatement(); } public function isUserInDocument(int $documentId, string $userId): bool { $qb = $this->db->getQueryBuilder(); $result = $qb->select('*') ->from($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))) ->andWhere($qb->expr()->eq('user_id', $qb->createNamedParameter($userId))) ->setMaxResults(1) ->executeQuery(); $data = $result->fetch(); $result->closeCursor(); if ($data === false) { return false; } return true; } }