final pass, #999

src/notifications.js

@@ -19,10 +19,12 @@ var async = require('async'),
 	Notifications.get = function(nid, uid, callback) {
 
 		db.exists('notifications:' + nid, function(err, exists) {
-			if(!exists) {
+			if (err) {
+				winston.error('[notifications.get] Could not retrieve nid ' + nid + ': ' + err.message);
 				return callback(null);
 			}
 
+			if (exists) {
 				db.sortedSetRank('uid:' + uid + ':notifications:read', nid, function(err, rank) {
 
 					db.getObjectFields('notifications:' + nid, ['nid', 'text', 'score', 'path', 'datetime', 'uniqueId'], function(err, notification) {
@@ -31,6 +33,23 @@ var async = require('async'),
 						callback(notification);
 					});
 				});
+			} else {
+				// Remove from the user's boxes
+				if (process.env.NODE_ENV === 'development') {
+					winston.info('[notifications.get] nid ' + nid + ' not found. Removing.');
+				}
+
+				async.parallel([
+					function(next) {
+						db.sortedSetRemove('uid:' + uid + ':notifications:unread', nid, next);
+					},
+					function(next) {
+						db.sortedSetRemove('uid:' + uid + ':notifications:read', nid, next);
+					}
+				], function(err) {
+					callback(null);
+				});
+			}
 		});
 	};
 

src/user.js

@@ -999,13 +999,9 @@ var bcrypt = require('bcryptjs'),
 
 					async.map(nids, function(nid, next) {
 						notifications.get(nid, uid, function(notif_data) {
-							if(!notif_data) {
-								db.sortedSetRemove(set, nid);
-							} else {
 							if(typeof iterator === 'function') {
 								iterator(notif_data);
 							}
-							}
 
 							next(null, notif_data);
 						});
@@ -1018,7 +1014,9 @@ var bcrypt = require('bcryptjs'),
 			async.parallel({
 				unread: function(next) {
 					getNotifications('uid:' + uid + ':notifications:unread', 0, 9, function(notif_data) {
+						if (notif_data) {
 							notif_data.readClass = !notif_data.read ? 'label-warning' : '';
+						}
 					}, next);
 				},
 				read: function(next) {
@@ -1029,6 +1027,14 @@ var bcrypt = require('bcryptjs'),
 					return calback(err);
 				}
 
+				// Remove empties
+				notifications.read = notifications.read.filter(function(notifObj) {
+					return notifObj;
+				});
+				notifications.unread = notifications.unread.filter(function(notifObj) {
+					return notifObj;
+				});
+
 				// Limit the number of notifications to `maxNotifs`, prioritising unread notifications
 				if (notifications.read.length + notifications.unread.length > maxNotifs) {
 					notifications.read.length = maxNotifs - notifications.unread.length;