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<?php |
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namespace OCA\FaceRecognition\Db; |
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use OCP\IDBConnection; |
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use OCP\AppFramework\Db\Mapper; |
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use OCP\AppFramework\Db\DoesNotExistException; |
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use OCP\DB\QueryBuilder\IQueryBuilder; |
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class FaceNewMapper extends Mapper { |
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public function __construct(IDBConnection $db) { |
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parent::__construct($db, 'face_recognition_faces', '\OCA\FaceRecognition\Db\FaceNew'); |
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} |
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public function find (int $faceId): FaceNew { |
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$qb = $this->db->getQueryBuilder(); |
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$qb->select('id', 'image', 'person', 'left', 'right', 'top', 'bottom', 'descriptor') |
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->from('face_recognition_faces', 'f') |
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->andWhere($qb->expr()->eq('id', $qb->createParameter('face_id'))); |
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$params = array(); |
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$params['face_id'] = $faceId; |
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$faces = $this->findEntity($qb->getSQL(), $params); |
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return $faces; |
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} |
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/** |
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* Counts all the faces that belong to images of a given user, created using given model |
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* |
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* @param string $userId User to which faces and associated images belongs to |
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* @param int $model Model ID |
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* @param bool $onlyWithoutPersons True if we need to count only faces which are not having person associated for it. |
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* If false, all faces are counted. |
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*/ |
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public function countFaces(string $userId, int $model, bool $onlyWithoutPersons=false): int { |
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$qb = $this->db->getQueryBuilder(); |
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$qb = $qb |
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->select($qb->createFunction('COUNT(' . $qb->getColumnName('f.id') . ')')) |
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->from('face_recognition_faces', 'f') |
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->innerJoin('f', 'face_recognition_images' ,'i', $qb->expr()->eq('f.image', 'i.id')) |
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->where($qb->expr()->eq('user', $qb->createParameter('user'))) |
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->andWhere($qb->expr()->eq('model', $qb->createParameter('model'))); |
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if ($onlyWithoutPersons) { |
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$qb = $qb->andWhere($qb->expr()->isNull('person')); |
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} |
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$query = $qb |
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->setParameter('user', $userId) |
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->setParameter('model', $model); |
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$resultStatement = $query->execute(); |
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$data = $resultStatement->fetch(\PDO::FETCH_NUM); |
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$resultStatement->closeCursor(); |
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return (int)$data[0]; |
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} |
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/** |
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* Gets oldest created face from database, for a given user and model, that is not associated with a person. |
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* |
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* @param string $userId User to which faces and associated images belongs to |
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* @param int $model Model ID |
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* |
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* @return FaceNew Oldest face, if any is found |
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* @throws DoesNotExistException If there is no faces in database without person for a given user and model. |
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*/ |
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public function getOldestCreatedFaceWithoutPerson(string $userId, int $model): FaceNew { |
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$qb = $this->db->getQueryBuilder(); |
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$qb |
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->select('f.id', 'f.creation_time') |
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->from('face_recognition_faces', 'f') |
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->innerJoin('f', 'face_recognition_images' ,'i', $qb->expr()->eq('f.image', 'i.id')) |
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->where($qb->expr()->eq('user', $qb->createParameter('user'))) |
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->andWhere($qb->expr()->eq('model', $qb->createParameter('model'))) |
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->andWhere($qb->expr()->isNull('person')); |
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$params = array('user' => $userId, 'model' => $model); |
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$face = $this->findEntity($qb->getSQL(), $params, 1); |
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return $face; |
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} |
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public function getFaces(string $userId, $model): array { |
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$qb = $this->db->getQueryBuilder(); |
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$query = $qb |
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->select('f.id', 'f.person', 'f.descriptor') |
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->from('face_recognition_faces', 'f') |
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->innerJoin('f', 'face_recognition_images' ,'i', $qb->expr()->eq('f.image', 'i.id')) |
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->where($qb->expr()->eq('user', $qb->createParameter('user'))) |
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->andWhere($qb->expr()->eq('model', $qb->createParameter('model'))) |
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->setParameter('user', $userId) |
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->setParameter('model', $model); |
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$faces = $this->frFindEntities($qb); |
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return $faces; |
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} |
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public function getPersonOnFile(string $userId, int $personId, int $fileId, int $model): array { |
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$qb = $this->db->getQueryBuilder(); |
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$qb->select('f.id', 'left', 'right', 'top', 'bottom') |
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->from('face_recognition_faces', 'f') |
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->innerJoin('f', 'face_recognition_persons' ,'p', $qb->expr()->eq('f.person', 'p.id')) |
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->innerJoin('f', 'face_recognition_images' ,'i', $qb->expr()->eq('f.image', 'i.id')) |
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->where($qb->expr()->eq('p.user', $qb->createParameter('user'))) |
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->andWhere($qb->expr()->eq('person', $qb->createParameter('person'))) |
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->andWhere($qb->expr()->eq('file', $qb->createParameter('file_id'))) |
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->andWhere($qb->expr()->eq('model', $qb->createParameter('model'))) |
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->andWhere($qb->expr()->eq('p.is_valid', $qb->createParameter('is_valid'))) |
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->setParameter('user', $userId) |
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->setParameter('person', $personId) |
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->setParameter('file_id', $fileId) |
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->setParameter('model', $model) |
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->setParameter('is_valid', true); |
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$faces = $this->frFindEntities($qb); |
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return $faces; |
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} |
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/** |
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* @param int $imageId Image for which to delete faces for |
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*/ |
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public function removeFaces(int $imageId) { |
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$qb = $this->db->getQueryBuilder(); |
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$qb->delete($this->getTableName()) |
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->where($qb->expr()->eq('image', $qb->createNamedParameter($imageId))) |
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->execute(); |
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} |
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/** |
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* Runs a sql query and returns an array of entities |
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* |
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* todo: stolen from QBMapper. However, this class is in use from 14.0 only. |
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* If we use it, we are "locked" ourselves to versions >= 14.0 |
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* |
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* @param IQueryBuilder $query |
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* @return Entity[] all fetched entities |
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* @since 14.0.0 |
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*/ |
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protected function frFindEntities(IQueryBuilder $query): array { |
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$cursor = $query->execute(); |
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$entities = []; |
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while($row = $cursor->fetch()){ |
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$entities[] = $this->mapRowToEntity($row); |
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} |
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$cursor->closeCursor(); |
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return $entities; |
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} |
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} |
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matiasdelellis /
facerecognition
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