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<?php declare(strict_types=1); |
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/** |
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* ownCloud |
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* |
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* This file is licensed under the Affero General Public License version 3 or |
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* later. See the COPYING file. |
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* |
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* @author Alessandro Cosentino <[email protected]> |
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* @author Bernhard Posselt <[email protected]> |
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* @author Pauli Järvinen <[email protected]> |
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* @copyright Alessandro Cosentino 2012 |
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* @copyright Bernhard Posselt 2012, 2014 |
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* @copyright Pauli Järvinen 2017 - 2021 |
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*/ |
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namespace OCA\Music\AppFramework\BusinessLayer; |
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use \OCA\Music\Db\BaseMapper; |
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use \OCA\Music\Db\SortBy; |
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use \OCP\AppFramework\Db\DoesNotExistException; |
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use \OCP\AppFramework\Db\Entity; |
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use \OCP\AppFramework\Db\MultipleObjectsReturnedException; |
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abstract class BusinessLayer { |
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protected $mapper; |
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public function __construct(BaseMapper $mapper) { |
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$this->mapper = $mapper; |
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} |
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/** |
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* Update an entity in the database |
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* @param Entity $entity |
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*/ |
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public function update(Entity $entity) : void { |
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$this->mapper->update($entity); |
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} |
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/** |
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* Delete an entity |
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* @param int $id the id of the entity |
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* @param string $userId the name of the user for security reasons |
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* @throws BusinessLayerException if the entity does not exist or more than one entity exists |
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*/ |
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public function delete(int $id, string $userId) : void { |
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$entity = $this->find($id, $userId); |
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$this->mapper->delete($entity); |
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} |
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/** |
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* Deletes entities without specifying the owning user. |
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* This should never be called directly from the HTML API, but only in case |
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* we can actually trust the passed IDs (e.g. file deleted hook). |
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* @param array $ids the ids of the entities which should be deleted |
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*/ |
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public function deleteById(array $ids) : void { |
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if (\count($ids) > 0) { |
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$this->mapper->deleteById($ids); |
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} |
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} |
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/** |
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* Delete all entities of the given user |
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*/ |
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public function deleteAll(string $userId) : void { |
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$this->mapper->deleteAll($userId); |
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} |
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/** |
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* Finds an entity by id |
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* @param int $id the id of the entity |
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* @param string $userId the name of the user for security reasons |
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* @throws BusinessLayerException if the entity does not exist or more than one entity exists |
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* @return Entity the entity |
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*/ |
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public function find(int $id, string $userId) : Entity { |
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try { |
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return $this->mapper->find($id, $userId); |
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} catch (DoesNotExistException $ex) { |
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throw new BusinessLayerException($ex->getMessage()); |
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} catch (MultipleObjectsReturnedException $ex) { |
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throw new BusinessLayerException($ex->getMessage()); |
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} |
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} |
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/** |
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* Finds an entity by id, or returns an empty entity instance if the requested one is not found |
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* @param int $id the id of the entity |
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* @param string $userId the name of the user for security reasons |
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* @return Entity the entity |
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*/ |
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public function findOrDefault(int $id, string $userId) : Entity { |
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try { |
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return $this->find($id, $userId); |
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} catch (BusinessLayerException $ex) { |
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return $this->mapper->createEntity(); |
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} |
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} |
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/** |
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* Find all entities matching the given IDs. |
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* Specifying the user is optional; if omitted, the caller should make sure that |
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* user's data is not leaked to unauthorized users. |
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* @param integer[] $ids IDs of the entities to be found |
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* @param string|null $userId |
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* @return Entity[] |
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*/ |
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public function findById(array $ids, string $userId=null) : array { |
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if (\count($ids) > 0) { |
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return $this->mapper->findById($ids, $userId); |
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} else { |
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return []; |
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} |
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} |
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/** |
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* Finds all entities |
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* @param string $userId the name of the user |
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* @param integer $sortBy sort order of the result set |
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* @param integer|null $limit |
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* @param integer|null $offset |
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* @param string|null $createdMin Optional minimum `created` timestamp. |
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* @param string|null $createdMax Optional maximum `created` timestamp. |
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* @param string|null $updatedMin Optional minimum `updated` timestamp. |
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* @param string|null $updatedMax Optional maximum `updated` timestamp. |
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* @return Entity[] |
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*/ |
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public function findAll( |
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string $userId, int $sortBy=SortBy::None, int $limit=null, int $offset=null, |
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?string $createdMin=null, ?string $createdMax=null, ?string $updatedMin=null, ?string $updatedMax=null) : array { |
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return $this->mapper->findAll($userId, $sortBy, $limit, $offset, $createdMin, $createdMax, $updatedMin, $updatedMax); |
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} |
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/** |
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* Return all entities with name matching the search criteria |
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* @param string $name |
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* @param string $userId |
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* @param bool $fuzzy |
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* @param integer|null $limit |
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* @param integer|null $offset |
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* @param string|null $createdMin Optional minimum `created` timestamp. |
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* @param string|null $createdMax Optional maximum `created` timestamp. |
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* @param string|null $updatedMin Optional minimum `updated` timestamp. |
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* @param string|null $updatedMax Optional maximum `updated` timestamp. |
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* @return Entity[] |
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*/ |
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public function findAllByName( |
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string $name, string $userId, bool $fuzzy=false, int $limit=null, int $offset=null, |
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?string $createdMin=null, ?string $createdMax=null, ?string $updatedMin=null, ?string $updatedMax=null) : array { |
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$name = \trim($name); |
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return $this->mapper->findAllByName($name, $userId, $fuzzy, $limit, $offset, $createdMin, $createdMax, $updatedMin, $updatedMax); |
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} |
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/** |
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* Find all starred entities |
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* @param string $userId |
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* @param integer|null $limit |
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* @param integer|null $offset |
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* @return Entity[] |
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*/ |
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public function findAllStarred(string $userId, int $limit=null, int $offset=null) : array { |
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return $this->mapper->findAllStarred($userId, $limit, $offset); |
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} |
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/** |
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* Find IDs of all user's entities of this kind |
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* @return int[] |
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*/ |
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public function findAllIds(string $userId) : array { |
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return $this->mapper->findAllIds($userId); |
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} |
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/** |
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* Find IDs of all users owning any entities of this business layer |
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* @return string[] |
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*/ |
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public function findAllUsers() : array { |
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return $this->mapper->findAllUsers(); |
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} |
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/** |
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* Set the given entities as "starred" on this date |
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* @param int[] $ids |
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* @param string $userId |
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* @return int number of modified entities |
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*/ |
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public function setStarred(array $ids, string $userId) : int { |
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if (\count($ids) > 0) { |
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return $this->mapper->setStarredDate(new \DateTime(), $ids, $userId); |
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} else { |
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return 0; |
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} |
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} |
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/** |
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* Remove the "starred" status of the given entities |
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* @param integer[] $ids |
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* @param string $userId |
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* @return int number of modified entities |
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*/ |
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public function unsetStarred(array $ids, string $userId) : int { |
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if (\count($ids) > 0) { |
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return $this->mapper->setStarredDate(null, $ids, $userId); |
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} else { |
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return 0; |
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} |
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} |
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/** |
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* Tests if entity with given ID and user ID exists in the database |
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* @param int $id |
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* @param string $userId |
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* @return bool |
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*/ |
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public function exists(int $id, string $userId) : bool { |
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return $this->mapper->exists($id, $userId); |
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} |
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/** |
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* Get the number of entities |
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* @param string $userId |
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*/ |
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public function count(string $userId) : int { |
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return $this->mapper->count($userId); |
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} |
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/** |
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* Get the timestamp of the latest insert operation on the entity type in question |
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*/ |
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public function latestInsertTime(string $userId) : \DateTime { |
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return $this->mapper->latestInsertTime($userId) ?? new \DateTime('1970-01-01'); |
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} |
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/** |
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* Get the timestamp of the latest update operation on the entity type in question |
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*/ |
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public function latestUpdateTime(string $userId) : \DateTime { |
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return $this->mapper->latestUpdateTime($userId) ?? new \DateTime('1970-01-01'); |
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} |
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} |
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