async.each in user.js

src/categories.js

@@ -57,11 +57,7 @@ var	RDB = require('./redis.js'),
 
 					function getActiveUsers(next) {
 						user.getMultipleUserFields(active_users, ['username', 'userslug'], function(users) {
-							var activeUserData = [];
-							for(var uid in users) {
-								activeUserData.push(users[uid]);
-							}
-							next(null, activeUserData);
+							next(null, users);
 						});
 					}
 
@@ -206,15 +202,10 @@ var	RDB = require('./redis.js'),
 
 	Categories.getModerators = function(cid, callback) {
 		RDB.smembers('cid:' + cid + ':moderators', function(err, mods) {
-			if (mods.length === 0) return callback([]);
+			if (mods.length === 0)
+				return callback([]);
 
-			user.getMultipleUserFields(mods, ['username'], function(details) {
-				var moderators = [];
-				for(u in details) {
-					if (details.hasOwnProperty(u)) {
-						moderators.push({ username: details[u].username });
-					}
-				}
+			user.getMultipleUserFields(mods, ['username'], function(moderators) {
 				callback(moderators);
 			});
 		});

src/user.js

@@ -40,21 +40,27 @@ var utils = require('./../public/src/utils.js'),
 			return;
 		}
 
-		var data = {},
-			loaded = 0;
-			uuids = uids.filter(function(value, index, self) {
+		var returnData = [];
+
+		uuids = uids.filter(function(value, index, self) {
 			return self.indexOf(value) === index;
 		});
 
-		for (var i=0, ii=uuids.length; i<ii; i++) {
-			(function(user_id) {
-				User.getUserFields(user_id, fields, function(user_data) {
-					data[user_id] = user_data;
-					loaded ++;
-					if (loaded == uuids.length) callback(data);
-				});
-			}(uuids[i]));
+		function iterator(uid, callback) {
+			User.getUserFields(uid, fields, function(userData) {
+				returnData.push(userData);
+				callback(null);
+			});
 		}
+
+		async.each(uuids, iterator, function(err) {
+			if(!err) {
+				callback(returnData);
+			} else {
+				console.log(err);
+				callback(null);
+			}
+		});
 	}
 
 	User.getUserData = function(uid, callback) {
@@ -411,23 +417,25 @@ var utils = require('./../public/src/utils.js'),
 		});
 	}
 
-	User.getDataForUsers = function(userIds, callback) {
+	User.getDataForUsers = function(uids, callback) {
 		var returnData = [];
 
-		if(!userIds || userIds.length === 0) {
+		if(!uids || !Array.isArray(uids) || uids.length === 0) {
 			callback(returnData);
 			return;
 		}
 
-		for(var i = 0, ii = userIds.length; i < ii; ++i) {
-			User.getUserData(userIds[i], function(userData) {
+		function iterator(uids, callback) {
+			User.getUserData(uid, function(userData) {
 				returnData.push(userData);
 
-				if(returnData.length == userIds.length) {
-					callback(returnData);
-				}
+				callback(null);
 			});
 		}
+		
+		async.each(uids, iterator, function(err) {
+			callback(returnData);
+		});
 	}
 
 	User.sendPostNotificationToFollowers = function(uid, tid, pid) {
@@ -455,13 +463,9 @@ var utils = require('./../public/src/utils.js'),
 		});
 	}
 
-	// @todo check why this function checks for a callback - if there's no callback,
-	// it effectively does nothing
 	User.exists = function(userslug, callback) {
 		User.get_uid_by_userslug(userslug, function(exists) {
-			if (callback) {
-				callback(!!exists);
-			}
+			callback(!!exists);
 		});
 	};
 

src/websockets.js

@@ -101,28 +101,20 @@ var SocketIO = require('socket.io').listen(global.server, { log:false }),
 			}
 
 			var uids = Object.keys(rooms[data.enter] || {});
-			var anonymous = io.sockets.clients(data.enter).length - uids.length;
+			var anonymousCount = io.sockets.clients(data.enter).length - uids.length;
 
-			if (uids.length == 0) {
+			if (uids.length === 0) {
 				io.sockets.in(data.enter).emit('api:get_users_in_room', {
-					usernames: [],
-					uids: [],
-					anonymous: anonymous
+					users: [],
+					anonymousCount: anonymousCount
 				});
 			}
 
-
-			user.get_usernames_by_uids(uids, function(usernames) {
-				user.get_userslugs_by_uids(uids, function(userslugs) { 
-
-					io.sockets.in(data.enter).emit('api:get_users_in_room', {
-						usernames: usernames,
-						userslugs: userslugs,
-						uids: uids,
-						anonymous: anonymous
-					});
+			user.getMultipleUserFields(uids, ['username', 'userslug'], function(users) {
+				io.sockets.in(data.enter).emit('api:get_users_in_room', {
+					users: users,
+					anonymousCount: anonymousCount
 				});
-
 			});
 
 			if (data.enter != 'admin') io.sockets.in('admin').emit('api:get_all_rooms', io.sockets.manager.rooms);