add comments on empty catch blocks

3 files changed, 14 insertions, 0 deletions

diff --git a/businesslayer/feedbusinesslayer.php b/businesslayer/feedbusinesslayer.php
index 04f3ff61e..05792059b 100644
--- a/businesslayer/feedbusinesslayer.php
+++ b/businesslayer/feedbusinesslayer.php
@@ -93,6 +93,8 @@ class FeedBusinessLayer extends BusinessLayer {
 				$this->mapper->findByUrlHash($feed->getUrlHash(), $userId);
 				throw new BusinessLayerConflictException(
 					$this->l10n->t('Can not add feed: Exists already'));
+
+			// If no matchin feed was found everything was ok
 			} catch(DoesNotExistException $ex){}
 
 			// insert feed
diff --git a/controller/feedapicontroller.php b/controller/feedapicontroller.php
index 98fc834f7..05c50543e 100644
--- a/controller/feedapicontroller.php
+++ b/controller/feedapicontroller.php
@@ -70,6 +70,9 @@ class FeedApiController extends Controller {
 		try {
 			$result['newestItemId'] =
 				$this->itemBusinessLayer->getNewestItemId($this->userId);
+
+		// An exception occurs if there is a newest item. If there is none,
+		// simply ignore it and do not add the newestItemId
 		} catch(BusinessLayerException $ex) {}
 
 		return new JSONResponse($result);
@@ -96,6 +99,9 @@ class FeedApiController extends Controller {
 			try {
 				$result['newestItemId'] =
 					$this->itemBusinessLayer->getNewestItemId($this->userId);
+
+			// An exception occurs if there is a newest item. If there is none,
+			// simply ignore it and do not add the newestItemId
 			} catch(BusinessLayerException $ex) {}
 
 			return new JSONResponse($result);
diff --git a/controller/feedcontroller.php b/controller/feedcontroller.php
index afc3de742..56c7d5af8 100644
--- a/controller/feedcontroller.php
+++ b/controller/feedcontroller.php
@@ -67,6 +67,9 @@ class FeedController extends Controller {
 		try {
 			$params['newestItemId'] = 
 				$this->itemBusinessLayer->getNewestItemId($this->userId);
+		
+		// An exception occurs if there is a newest item. If there is none,
+		// simply ignore it and do not add the newestItemId
 		} catch (BusinessLayerException $ex) {}
 
 		return new JSONResponse($params);
@@ -136,6 +139,9 @@ class FeedController extends Controller {
 			try {
 				$params['newestItemId'] = 
 					$this->itemBusinessLayer->getNewestItemId($this->userId);
+
+			// An exception occurs if there is a newest item. If there is none,
+			// simply ignore it and do not add the newestItemId
 			} catch (BusinessLayerException $ex) {}
 
 			return new JSONResponse($params);