1 files changed, 59 insertions, 0 deletions
diff --git a/businesslayer/businesslayer.php b/businesslayer/businesslayer.php
new file mode 100644
index 000000000..4ce6f1625
--- /dev/null
+++ b/businesslayer/businesslayer.php
@@ -0,0 +1,59 @@
+<?php
+
+/**
+* ownCloud - News
+*
+* @author Alessandro Cosentino
+* @author Bernhard Posselt
+* @copyright 2012 Alessandro Cosentino cosenal@gmail.com
+* @copyright 2012 Bernhard Posselt nukeawhale@gmail.com
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+* License as published by the Free Software Foundation; either
+* version 3 of the License, or any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+*
+* You should have received a copy of the GNU Affero General Public
+* License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*
+*/
+
+namespace OCA\News\BusinessLayer;
+
+use \OCA\AppFramework\Db\DoesNotExistException;
+use \OCA\AppFramework\Db\MultipleObjectsReturnedException;
+
+use \OCA\News\Db\IMapper;
+
+
+abstract class BusinessLayer {
+
+	protected $mapper;
+
+	public function __construct(IMapper $mapper){
+		$this->mapper = $mapper;
+	}
+
+
+	public function delete($id, $userId){
+		$entity = $this->find($id, $userId);
+		$this->mapper->delete($entity);
+	}
+
+
+	public function find($id, $userId){
+		try {
+			return $this->mapper->find($id, $userId);
+		} catch(DoesNotExistException $ex){
+			throw new BusinessLayerException($ex->getMessage());
+		} catch(MultipleObjectsReturnedException $ex){
+			throw new BusinessLayerException($ex->getMessage());
+		}
+	}
+
+}
+\ No newline at end of file