move to new controller layout

9 files changed, 214 insertions, 260 deletions

diff --git a/controller/entityapiserializer.php b/controller/entityapiserializer.php
new file mode 100644
index 000000000..ef5e20fbe
--- /dev/null
+++ b/controller/entityapiserializer.php
@@ -0,0 +1,44 @@
+<?php
+/**
+ * ownCloud - 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 Alessandro Cosentino 2012
+ * @copyright Bernhard Posselt 2012, 2014
+ */
+
+namespace OCA\News\Controller;
+
+use \OCP\AppFramework\Http\IResponseSerializer;
+
+class EntityApiSeralizer implements IResponseSerializer {
+
+
+    public function __construct($level) {
+        $this->level = $level;
+    }
+
+
+    /**
+     * Wrap a list of entities in an array with $level as index and serialize
+     * them using the toAPI method
+     */
+    public function serialize($data) {
+        if(!is_array($data)) {
+            $data = array($data);
+        }
+
+        $response = array(
+            $this->level => array();
+        );
+
+        foreach($data as $entity) {
+            $response[$this->level][] = $entity->toAPI()
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/controller/feedapicontroller.php b/controller/feedapicontroller.php
index 883732c87..b326a1825 100644
--- a/controller/feedapicontroller.php
+++ b/controller/feedapicontroller.php
@@ -28,6 +28,8 @@ use \OCA\News\BusinessLayer\BusinessLayerConflictException;
 
 class FeedApiController extends ApiController {
 
+	use JSONHttpError;
+
 	private $itemBusinessLayer;
 	private $feedBusinessLayer;
 	private $folderBusinessLayer;
@@ -66,6 +68,7 @@ class FeedApiController extends ApiController {
 		);
 
 		$feeds = $this->feedBusinessLayer->findAll($this->userId);
+
 		foreach ($feeds as $feed) {
 			array_push($result['feeds'], $feed->toAPI());
 		}
@@ -112,19 +115,9 @@ class FeedApiController extends ApiController {
 			return $result;
 
 		} catch(BusinessLayerConflictException $ex) {
-
-			return new JSONResponse(
-				array('message' => $ex->getMessage()),
-				Http::STATUS_CONFLICT
-			);
-
+			return $this->error($ex, Http::STATUS_CONFLICT);
 		} catch(BusinessLayerException $ex) {
-
-			return new JSONResponse(
-				array('message' => $ex->getMessage()),
-				Http::STATUS_NOT_FOUND
-			);
-
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
@@ -140,10 +133,7 @@ class FeedApiController extends ApiController {
 		try {
 			$this->feedBusinessLayer->delete($feedId, $this->userId);
 		} catch(BusinessLayerException $ex) {
-			return new JSONResponse(
-				array('message' => $ex->getMessage()),
-				Http::STATUS_NOT_FOUND
-			);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
@@ -152,11 +142,11 @@ class FeedApiController extends ApiController {
 	 * @NoAdminRequired
 	 * @NoCSRFRequired
 	 * @CORS
+	 *
+	 * @param int $feedId
+	 * @param int $newestItemId
 	 */
-	public function read() {
-		$feedId = (int) $this->params('feedId');
-		$newestItemId = (int) $this->params('newestItemId');
-
+	public function read($feedId, $newestItemId) {
 		$this->itemBusinessLayer->readFeed($feedId, $newestItemId, $this->userId);
 	}
 
@@ -165,16 +155,15 @@ class FeedApiController extends ApiController {
 	 * @NoAdminRequired
 	 * @NoCSRFRequired
 	 * @CORS
+	 *
+	 * @param int $feedId
+	 * @param int $folderId
 	 */
-	public function move() {
-		$feedId = (int) $this->params('feedId');
-		$folderId = (int) $this->params('folderId');
-
+	public function move($feedId, $folderId) {
 		try {
 			$this->feedBusinessLayer->move($feedId, $folderId, $this->userId);
 		} catch(BusinessLayerException $ex) {
-			return new JSONResponse(array('message' => $ex->getMessage()),
-				Http::STATUS_NOT_FOUND);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
@@ -183,16 +172,15 @@ class FeedApiController extends ApiController {
 	 * @NoAdminRequired
 	 * @NoCSRFRequired
 	 * @CORS
+	 *
+	 * @param int $feedId
+	 * @param string $feedTitle
 	 */
-	public function rename() {
-		$feedId = (int) $this->params('feedId');
-		$feedTitle = $this->params('feedTitle');
-
+	public function rename($feedId, $feedTitle) {
 		try {
 			$this->feedBusinessLayer->rename($feedId, $feedTitle, $this->userId);
 		} catch(BusinessLayerException $ex) {
-			return new JSONResponse(array('message' => $ex->getMessage()),
-				Http::STATUS_NOT_FOUND);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
@@ -212,17 +200,17 @@ class FeedApiController extends ApiController {
 			));
 		}
 
-		return new JSONResponse($result);
+		return $result;
 	}
 
 
 	/**
 	 * @NoCSRFRequired
+	 *
+	 * @param string $userId
+	 * @param int $feedId
 	 */
-	public function update() {
-		$userId = $this->params('userId');
-		$feedId = (int) $this->params('feedId');
-
+	public function update($userId, $feedId) {
 		try {
 			$this->feedBusinessLayer->update($feedId, $userId);
 		// ignore update failure (feed could not be reachable etc, we dont care)
diff --git a/controller/feedcontroller.php b/controller/feedcontroller.php
index 02e523dff..5489f555c 100644
--- a/controller/feedcontroller.php
+++ b/controller/feedcontroller.php
@@ -17,7 +17,6 @@ use \OCP\IRequest;
 use \OCP\IConfig;
 use \OCP\AppFramework\Controller;
 use \OCP\AppFramework\Http;
-use \OCP\AppFramework\Http\JSONResponse;
 
 use \OCA\News\BusinessLayer\ItemBusinessLayer;
 use \OCA\News\BusinessLayer\FeedBusinessLayer;
@@ -29,6 +28,8 @@ use \OCA\News\Db\FeedType;
 
 class FeedController extends Controller {
 
+	use JSONHttpError;
+
 	private $feedBusinessLayer;
 	private $folderBusinessLayer;
 	private $itemBusinessLayer;
@@ -72,7 +73,7 @@ class FeedController extends Controller {
 		// simply ignore it and do not add the newestItemId
 		} catch (BusinessLayerException $ex) {}
 
-		return new JSONResponse($params);
+		return $params;
 	}
 
 
@@ -108,24 +109,22 @@ class FeedController extends Controller {
 			$feedType = FeedType::SUBSCRIPTIONS;
 		}
 
-		$params = array(
+		return array(
 			'activeFeed' => array(
 				'id' => $feedId,
 				'type' => $feedType
 			)
 		);
-
-		return new JSONResponse($params);
 	}
 
 
 	/**
 	 * @NoAdminRequired
+	 *
+	 * @param string $url
+	 * @param int $parentFolderId
 	 */
-	public function create(){
-		$url = $this->params('url');
-		$parentFolderId = (int) $this->params('parentFolderId');
-
+	public function create($url, $parentFolderId){
 		try {
 			// we need to purge deleted feeds if a feed is created to 
 			// prevent already exists exceptions
@@ -144,47 +143,40 @@ class FeedController extends Controller {
 			// simply ignore it and do not add the newestItemId
 			} catch (BusinessLayerException $ex) {}
 
-			return new JSONResponse($params);
+			return $params;
 
 		} catch(BusinessLayerConflictException $ex) {
-			return new JSONResponse(array(
-				'msg' => $ex->getMessage()
-			), Http::STATUS_CONFLICT);
-		
+			return $this->error($ex, Http::STATUS_CONFLICT);
 		} catch(BusinessLayerException $ex) {
-			return new JSONResponse(array(
-				'msg' => $ex->getMessage()
-			), Http::STATUS_UNPROCESSABLE_ENTITY);
+			return $this->error($ex, Http::STATUS_UNPROCESSABLE_ENTITY);
 		}
 	}
 
 
 	/**
 	 * @NoAdminRequired
+	 * 
+	 * @param int $feedId
 	 */
-	public function delete(){
-		$feedId = (int) $this->params('feedId');
-
+	public function delete($feedId){
 		try {
 			$this->feedBusinessLayer->markDeleted($feedId, $this->userId);
 		} catch(BusinessLayerException $ex) {
-			return new JSONResponse(array(
-				'msg' => $ex->getMessage()
-			), Http::STATUS_NOT_FOUND);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
 
 	/**
 	 * @NoAdminRequired
+	 *
+	 * @param int $feedId
 	 */
-	public function update(){
+	public function update($feedId){
 		try {
-			$feedId = (int) $this->params('feedId');
-
 			$feed = $this->feedBusinessLayer->update($feedId, $this->userId);
 
-			$params = array(
+			return array(
 				'feeds' => array(
 					// only pass unreadcount to not accidentally readd
 					// the feed again
@@ -195,75 +187,69 @@ class FeedController extends Controller {
 				)
 			);
 
-			return new JSONResponse($params);
-
 		} catch(BusinessLayerException $ex) {
-			return new JSONResponse(array(
-				'msg' => $ex->getMessage()
-			), Http::STATUS_NOT_FOUND);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
 
 	/**
 	 * @NoAdminRequired
+	 *
+	 * @param int $feedId
+	 * @param int $parentFolderId
 	 */
-	public function move(){
-		$feedId = (int) $this->params('feedId');
-		$parentFolderId = (int) $this->params('parentFolderId');
-
+	public function move($feedId, $parentFolderId){
 		try {
 			$this->feedBusinessLayer->move($feedId, $parentFolderId, $this->userId);
 		} catch(BusinessLayerException $ex) {
-			return new JSONResponse(array(
-				'msg' => $ex->getMessage()
-			), Http::STATUS_NOT_FOUND);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
 	/**
 	 * @NoAdminRequired
+	 *
+	 * @param int $feedId
+	 * @param string $feedTitle
 	 */
 	public function rename() {
-		$feedId = (int) $this->params('feedId');
-		$feedTitle = $this->params('feedTitle');
-
 		try {
 			$this->feedBusinessLayer->rename($feedId, $feedTitle, $this->userId);
 		} catch(BusinessLayerException $ex) {
-			return new JSONResponse(array(
-				'msg' => $ex->getMessage()
-			), Http::STATUS_NOT_FOUND);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
+
 	/**
 	 * @NoAdminRequired
+	 *
+	 * @param array $json
 	 */
-	public function import() {
-		$json = $this->params('json');
-
+	public function import($json) {
 		$feed = $this->feedBusinessLayer->importArticles($json, $this->userId);
 
 		$params = array();
+
 		if($feed) {
 			$params['feeds'] = array($feed);
 		}
 
-		return new JSONResponse($params);
+		return $params;
 	}
 
 
 	/**
 	 * @NoAdminRequired
+	 *
+	 * @param int $feedId
+	 * @param int $highestItemId
 	 */
-	public function read(){
-		$feedId = (int) $this->params('feedId');
-		$highestItemId = (int) $this->params('highestItemId');
-
+	public function read($feedId, $highestItemId){
 		$this->itemBusinessLayer->readFeed($feedId, $highestItemId, $this->userId);
 
-		$params = array(
+		return array(
 			'feeds' => array(
 				array(
 					'id' => $feedId,
@@ -271,22 +257,19 @@ class FeedController extends Controller {
 				)
 			)
 		);
-		return new JSONResponse($params);
 	}
 
 
 	/**
 	 * @NoAdminRequired
+	 *
+	 * @param int $feedId
 	 */
 	public function restore(){
-		$feedId = (int) $this->params('feedId');
-
 		try {
 			$this->feedBusinessLayer->unmarkDeleted($feedId, $this->userId);
 		} catch(BusinessLayerException $ex) {
-			return new JSONResponse(array(
-				'msg' => $ex->getMessage()
-			), Http::STATUS_NOT_FOUND);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
diff --git a/controller/folderapicontroller.php b/controller/folderapicontroller.php
index 40ffc1389..4e9f3e00c 100644
--- a/controller/folderapicontroller.php
+++ b/controller/folderapicontroller.php
@@ -27,6 +27,8 @@ use \OCA\News\BusinessLayer\BusinessLayerValidationException;
 
 class FolderApiController extends ApiController {
 
+	use JSONHttpError;
+
 	private $folderBusinessLayer;
 	private $itemBusinessLayer;
 	private $userId;
@@ -49,15 +51,9 @@ class FolderApiController extends ApiController {
 	 * @CORS
 	 */
 	public function index() {
-		$result = array(
-			'folders' => array()
-		);
-
-		foreach ($this->folderBusinessLayer->findAll($this->userId) as $folder) {
-			array_push($result['folders'], $folder->toAPI());
-		}
+		$this->registerSerializer(new EntityApiSerializer('folders'));
 
-		return new JSONResponse($result);
+		return $this->folderBusinessLayer->findAll($this->userId);
 	}
 
 
@@ -65,27 +61,21 @@ class FolderApiController extends ApiController {
 	 * @NoAdminRequired
 	 * @NoCSRFRequired
 	 * @CORS
+	 *
+	 * @param string $name
 	 */
-	public function create() {
-		$folderName = $this->params('name');
-		$result = array(
-			'folders' => array()
-		);
-
+	public function create($name) {
 		try {
 			$this->folderBusinessLayer->purgeDeleted($this->userId, false);
 			$folder = $this->folderBusinessLayer->create($folderName, $this->userId);
-			array_push($result['folders'], $folder->toAPI());
+			
+			$this->registerSerializer(new EntityApiSerializer('folders'));
+			return $folder;
 
-			return new JSONResponse($result);
-		
 		} catch(BusinessLayerValidationException $ex) {
-			return new JSONResponse(array('message' => $ex->getMessage()),
-				Http::STATUS_UNPROCESSABLE_ENTITY);
-
+			return $this->error($ex, Http::STATUS_UNPROCESSABLE_ENTITY);
 		} catch(BusinessLayerConflictException $ex) {
-			return new JSONResponse(array('message' => $ex->getMessage()),
-				Http::STATUS_CONFLICT);
+			return $this->error($ex, Http::STATUS_CONFLICT);
 		}
 	}
 
@@ -94,15 +84,14 @@ class FolderApiController extends ApiController {
 	 * @NoAdminRequired
 	 * @NoCSRFRequired
 	 * @CORS
+	 *
+	 * @param int $folderId
 	 */
-	public function delete() {
-		$folderId = (int) $this->params('folderId');
-
+	public function delete($folderId) {
 		try {
 			$this->folderBusinessLayer->delete($folderId, $this->userId);
 		} catch(BusinessLayerException $ex) {
-			return new JSONResponse(array('message' => $ex->getMessage()),
-				Http::STATUS_NOT_FOUND);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
@@ -111,25 +100,19 @@ class FolderApiController extends ApiController {
 	 * @NoAdminRequired
 	 * @NoCSRFRequired
 	 * @CORS
+	 * @param int $folderId
+	 * @param string $name
 	 */
-	public function update() {
-		$folderId = (int) $this->params('folderId');
-		$folderName = $this->params('name');
-
+	public function update($folderId, $name) {
 		try {
 			$this->folderBusinessLayer->rename($folderId, $folderName, $this->userId);
 
 		} catch(BusinessLayerValidationException $ex) {
-			return new JSONResponse(array('message' => $ex->getMessage()),
-				Http::STATUS_UNPROCESSABLE_ENTITY);
-
+			return $this->error($ex, Http::STATUS_UNPROCESSABLE_ENTITY);
 		} catch(BusinessLayerConflictException $ex) {
-			return new JSONResponse(array('message' => $ex->getMessage()),
-				Http::STATUS_CONFLICT);
-
+			return $this->error($ex, Http::STATUS_CONFLICT);
 		} catch(BusinessLayerException $ex) {
-			return new JSONResponse(array('message' => $ex->getMessage()),
-				Http::STATUS_NOT_FOUND);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
@@ -138,11 +121,11 @@ class FolderApiController extends ApiController {
 	 * @NoAdminRequired
 	 * @NoCSRFRequired
 	 * @CORS
+	 *
+	 * @param int $folderId
+	 * @param int $newestItemId
 	 */
-	public function read() {
-		$folderId = (int) $this->params('folderId');
-		$newestItemId = (int) $this->params('newestItemId');
-
+	public function read($folderId, $newestItemId) {
 		$this->itemBusinessLayer->readFolder($folderId, $newestItemId, $this->userId);
 	}
 
diff --git a/controller/foldercontroller.php b/controller/foldercontroller.php
index 76476dd7a..9b0db2be7 100644
--- a/controller/foldercontroller.php
+++ b/controller/foldercontroller.php
@@ -16,7 +16,6 @@ namespace OCA\News\Controller;
 use \OCP\IRequest;
 use \OCP\AppFramework\Controller;
 use \OCP\AppFramework\Http;
-use \OCP\AppFramework\Http\JSONResponse;
 
 use \OCA\News\BusinessLayer\FolderBusinessLayer;
 use \OCA\News\BusinessLayer\FeedBusinessLayer;
@@ -25,6 +24,7 @@ use \OCA\News\BusinessLayer\BusinessLayerException;
 use \OCA\News\BusinessLayer\BusinessLayerConflictException;
 use \OCA\News\BusinessLayer\BusinessLayerValidationException;
 
+
 class FolderController extends Controller {
 
 	use JSONHttpError;
@@ -53,10 +53,9 @@ class FolderController extends Controller {
 	 */
 	public function index(){
 		$folders = $this->folderBusinessLayer->findAll($this->userId);
-		$result = array(
+		return array(
 			'folders' => $folders
 		);
-		return $result;
 	}
 
 
@@ -105,10 +104,9 @@ class FolderController extends Controller {
 			$this->folderBusinessLayer->purgeDeleted($this->userId, false);
 			$folder = $this->folderBusinessLayer->create($folderName, $this->userId);
 
-			$params = array(
+			return array(
 				'folders' => array($folder)
 			);
-			return $params;
 
 		} catch(BusinessLayerConflictException $ex) {
 			return $this->error($ex, Http::STATUS_CONFLICT);
@@ -135,67 +133,54 @@ class FolderController extends Controller {
 
 	/**
 	 * @NoAdminRequired
+	 *
+	 * @param string $folderName
+	 * @param int $folderId
 	 */
-	public function rename(){
-		$folderName = $this->params('folderName');
-		$folderId = (int) $this->params('folderId');
-
+	public function rename($folderName, $folderId){
 		try {
 			$folder = $this->folderBusinessLayer->rename($folderId, $folderName, 
 				$this->userId);
 
-			$params = array(
+			return array(
 				'folders' => array($folder)
 			);
-			return new JSONResponse($params);
-		
+
 		} catch(BusinessLayerConflictException $ex) {
-			return new JSONResponse(array(
-				'msg' => $ex->getMessage()
-			), Http::STATUS_CONFLICT);
-		
+			return $this->error($ex, Http::STATUS_CONFLICT);
 		} catch(BusinessLayerValidationException $ex) {
-			return new JSONResponse(array(
-				'msg' => $ex->getMessage()
-			), Http::STATUS_UNPROCESSABLE_ENTITY);
-		
+			return $this->error($ex, Http::STATUS_UNPROCESSABLE_ENTITY);	
 		} catch (BusinessLayerException $ex){
-			return new JSONResponse(array(
-				'msg' => $ex->getMessage()
-			), Http::STATUS_NOT_FOUND);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
 	}
 
 	/**
 	 * @NoAdminRequired
+	 *
+	 * @param int $folderId
+	 * @param int $highestItemId
 	 */
-	public function read(){
-		$folderId = (int) $this->params('folderId');
-		$highestItemId = (int) $this->params('highestItemId');
-
+	public function read($folderId, $highestItemId){
 		$this->itemBusinessLayer->readFolder($folderId, $highestItemId, $this->userId);
 
-		$params = array(
+		return array(
 			'feeds' => $this->feedBusinessLayer->findAll($this->userId)
 		);
-		return new JSONResponse($params);
 	}
 
 
 	/**
 	 * @NoAdminRequired
+	 * 
+	 * @param int $folderId
 	 */
-	public function restore(){
-		$folderId = (int) $this->params('folderId');
-
+	public function restore($folderId){
 		try {
 			$this->folderBusinessLayer->unmarkDeleted($folderId, $this->userId);
 		} catch (BusinessLayerException $ex){
-			return new JSONResponse(array(
-				'msg' => $ex->getMessage()
-			), Http::STATUS_NOT_FOUND);
+			return $this->error($ex, Http::STATUS_NOT_FOUND);
 		}
-
 	}
 
 
diff --git a/controller/itemapicontroller.php b/controller/itemapicontroller.php
index 767023877..8cd8b5578 100644
--- a/controller/itemapicontroller.php
+++ b/controller/itemapicontroller.php
@@ -16,7 +16,6 @@ namespace OCA\News\Controller;
 use \OCP\IRequest;
 use \OCP\AppFramework\ApiController;
 use \OCP\AppFramework\Http;
-use \OCP\AppFramework\Http\JSONResponse;
 
 use \OCA\News\BusinessLayer\ItemBusinessLayer;
 use \OCA\News\BusinessLayer\BusinessLayerException;
@@ -50,24 +49,10 @@ class ItemApiController extends ApiController {
 	 * @param int $offset
 	 */
 	public function index($type, $id, $getRead, $batchSize=20, $offset=0) {
-		$result = array(
-			'items' => array()
-		);
-
-		$items = $this->itemBusinessLayer->findAll(
-			$id,
-			$type,
-			$batchSize,
-			$offset,
-			$showAll,
-			$this->userId
-		);
-
-		foreach ($items as $item) {
-			array_push($result['items'], $item->toAPI());
-		}
+		$this->registerSerializer(new EntityApiSerializer('items'));
 
-		return $result;
+		return $this->itemBusinessLayer->findAll($id, $type, $batchSize, $offset, 
+		                                         $showAll, $this->userId);
 	}
 
 
@@ -81,23 +66,10 @@ class ItemApiController extends ApiController {
 	 * @param int $lastModified
 	 */
 	public function updated($type, $id, $lastModified=0) {
-		$result = array(
-			'items' => array()
-		);
-
-		$items = $this->itemBusinessLayer->findAllNew(
-			$id,
-			$type,
-			$lastModified,
-			true,
-			$this->userId
-		);
-
-		foreach ($items as $item) {
-			array_push($result['items'], $item->toAPI());
-		}
+		$this->registerSerializer(new EntityApiSerializer('items'));
 
-		$result;
+		return $this->itemBusinessLayer->findAllNew($id, $type, $lastModified,
+		                                            true, $this->userId);
 	}
 
 
@@ -219,8 +191,8 @@ class ItemApiController extends ApiController {
 	private function setMultipleStarred($isStarred, $items) {
 		foreach($items as $item) {
 			try {
-				$this->itemBusinessLayer->star($item['feedId'],
-					$item['guidHash'], $isStarred, $this->userId);
+				$this->itemBusinessLayer->star($item['feedId'], $item['guidHash'], 
+					                           $isStarred, $this->userId);
 			} catch(BusinessLayerException $ex) {
 				continue;
 			}
diff --git a/controller/itemcontroller.php b/controller/itemcontroller.php
index b7836fdaa..3313f583b 100644
--- a/controller/itemcontroller.php
+++ b/controller/itemcontroller.php
@@ -17,7 +17,6 @@ use \OCP\IRequest;
 use \OCP\IConfig;
 use \OCP\AppFramework\Controller;
 use \OCP\AppFramework\Http;
-use \OCP\AppFramework\Http\JSONResponse;
 
 use \OCA\News\BusinessLayer\BusinessLayerException;
 use \OCA\News\Busin