2 more maps

src/socket.io/posts.js

@@ -215,7 +215,11 @@ SocketPosts.getFavouritedUsers = function(socket, pid, callback) {
 				rest_amount = pid_uids.length - max;
 				pid_uids = pid_uids.slice(0, max);
 			}
-			user.getUsernamesByUids(pid_uids, function(result) {
+			user.getUsernamesByUids(pid_uids, function(err, result) {
+				if(err) {
+					return callback(err);
+				}
+
 				usernames = result.join(', ') + (rest_amount > 0
 					? " and " + rest_amount + (rest_amount > 1 ? " others" : " other")
 					: "");

src/user.js

@@ -732,41 +732,29 @@ var bcrypt = require('bcryptjs'),
 	};
 
 	User.getUsernamesByUids = function(uids, callback) {
-		var usernames = [];
 
 		if (!Array.isArray(uids)) {
-			return callback([]);
+			return callback(null, []);
 		}
 
-		function iterator(uid, callback) {
-			User.getUserField(uid, 'username', function(err, username) {
-				usernames.push(username);
-				callback(null);
-			});
+		function getUserName(uid, next) {
+			User.getUserField(uid, 'username', next);
 		}
 
-		async.eachSeries(uids, iterator, function(err) {
-			callback(usernames);
-		});
+		async.map(uids, iterator, callback);
 	};
 
 	User.getUserSlugsByUids = function(uids, callback) {
-		var userslugs = [];
 
 		if (!Array.isArray(uids)) {
-			return callback([]);
+			return callback(null, []);
 		}
 
-		function iterator(uid, callback) {
-			User.getUserField(uid, 'userslug', function(err, userslug) {
-				userslugs.push(userslug);
-				callback(null);
-			});
+		function getUserSlug(uid, next) {
+			User.getUserField(uid, 'userslug', next);
 		}
 
-		async.eachSeries(uids, iterator, function(err) {
-			callback(userslugs);
-		});
+		async.map(uids, getUserSlug, callback);
 	};
 
 	User.getUsernameByUserslug = function(slug, callback) {