Unhandled error on previous profile image deletion fixed

sails/src/api/controllers/StudentController.js

@@ -1018,7 +1018,8 @@ module.exports = {
         try {
           newAvatarFileDescriptor = uploadedFiles[0].fd;
           if (student.pic !== sails.config.pictogram.paths.defaultAvatarFileName) {
-            fs.unlinkSync(path.join(newAvatarDirectory, student.pic));
+            if (fs.existsSync(path.join(newAvatarDirectory, student.pic)))
+              fs.unlinkSync(path.join(newAvatarDirectory, student.pic));
           }
 
           student.pic = newAvatarFileName;
@@ -1028,9 +1029,9 @@ module.exports = {
             }
             res.ok({file: {name: student.pic}});
           });
-        } catch (updateAvatarError) {
+        } catch (err) {
           fs.unlinkSync(newAvatarFileDescriptor);
-          res.serverError("Error when updating profile image in server");
+          res.serverError("Error when updating profile image in server: " + err);
         }
       });
     })

sails/src/api/controllers/SupervisorController.js

@@ -542,7 +542,8 @@ module.exports = {
           newAvatarFileDescriptor = uploadedFiles[0].fd;
           if (supervisor.pic !== sails.config.pictogram.paths.defaultAvatarFileName) {
             sails.log.debug("removing old profile image");
-            fs.unlinkSync(path.join(newAvatarDirectory, supervisor.pic));
+            if (fs.existsSync(path.join(newAvatarDirectory, supervisor.pic)))
+              fs.unlinkSync(path.join(newAvatarDirectory, supervisor.pic));
           }
 
           supervisor.pic = newAvatarFileName;