*/ class StepMapper extends QBMapper { public function __construct(IDBConnection $db) { parent::__construct($db, 'text_steps', Step::class); } /** * @return Step[] */ public function find(int $documentId, int $fromVersion): array { /* @var $qb IQueryBuilder */ $qb = $this->db->getQueryBuilder(); $qb->select('*') ->from($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))) ->andWhere($qb->expr()->gt('version', $qb->createNamedParameter($fromVersion))) ->andWhere($qb->expr()->gt('id', $qb->createNamedParameter($fromVersion))); $qb ->setMaxResults(1000) ->orderBy('id'); return $this->findEntities($qb); } /** * @psalm-return ?positive-int */ public function getLatestVersion(int $documentId): ?int { /* @var $qb IQueryBuilder */ $qb = $this->db->getQueryBuilder(); $result = $qb->select('id') ->from($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))) ->setMaxResults(1) ->orderBy('id', 'DESC') ->executeQuery(); $data = $result->fetch(); if ($data === false) { return null; } return $data['id']; } public function getBeforeVersion(int $documentId, int $version, int $offset): int { $qb = $this->db->getQueryBuilder(); $result = $qb->select('id') ->from($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))) ->andWhere($qb->expr()->lt('id', $qb->createNamedParameter($version))) ->setMaxResults($offset) ->orderBy('id', 'DESC') ->executeQuery(); $rows = $result->fetchAll(); $data = end($rows); if ($data === false) { return $version; } return $data['id']; } public function deleteAll(int $documentId): void { $qb = $this->db->getQueryBuilder(); $qb->delete($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))) ->executeStatement(); } public function clearAll(): void { $qb = $this->db->getQueryBuilder(); $qb->delete($this->getTableName()) ->executeStatement(); } // not in use right now public function deleteBeforeVersion(int $documentId, int $version): int { $qb = $this->db->getQueryBuilder(); return $qb->delete($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))) ->andWhere($qb->expr()->lte('id', $qb->createNamedParameter($version))) ->executeStatement(); } public function deleteAfterVersion(int $documentId, int $version): int { $qb = $this->db->getQueryBuilder(); return $qb->delete($this->getTableName()) ->where($qb->expr()->eq('document_id', $qb->createNamedParameter($documentId))) ->andWhere($qb->expr()->gt('version', $qb->createNamedParameter($version))) ->andWhere($qb->expr()->gt('id', $qb->createNamedParameter($version))) ->executeStatement(); } }