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<?php
/**
* Nextcloud - News
*
* This file is licensed under the Affero General Public License version 3 or
* later. See the COPYING file.
*
* @author Alessandro Cosentino <cosenal@gmail.com>
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @copyright 2012 Alessandro Cosentino
* @copyright 2012-2014 Bernhard Posselt
*/
namespace OCA\News\Service;
use \OCP\AppFramework\Db\DoesNotExistException;
use \OCP\AppFramework\Db\MultipleObjectsReturnedException;
use \OCA\News\Db\NewsMapper;
abstract class Service
{
protected $mapper;
public function __construct(NewsMapper $mapper)
{
$this->mapper = $mapper;
}
/**
* Delete an entity
*
* @param int $id the id of the entity
* @param string $userId the name of the user for security reasons
* @throws ServiceNotFoundException if the entity does not exist, or there
* are more than one of it
*/
public function delete($id, $userId)
{
$entity = $this->find($id, $userId);
$this->mapper->delete($entity);
}
/**
* Finds an entity by id
*
* @param int $id the id of the entity
* @param string $userId the name of the user for security reasons
* @throws ServiceNotFoundException if the entity does not exist, or there
* are more than one of it
* @return \OCP\AppFramework\Db\Entity the entity
*/
public function find($id, $userId)
{
try {
return $this->mapper->find($id, $userId);
} catch (DoesNotExistException $ex) {
throw new ServiceNotFoundException($ex->getMessage());
} catch (MultipleObjectsReturnedException $ex) {
throw new ServiceNotFoundException($ex->getMessage());
}
}
}
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