closed #615 - added "active chats" dropdown to header

- some minor tweaks also, to make taskbar work a little better with chats

src/messaging.js

@@ -28,6 +28,8 @@ var RDB = require('./redis'),
 			RDB.hmset('message:' + mid, message);
 			RDB.rpush('messages:' + uids[0] + ':' + uids[1], mid);
 
+			Messaging.updateChatTime(fromuid, touid);
+			Messaging.updateChatTime(touid, fromuid);
 			callback(null, message);
 		});
 	}
@@ -73,4 +75,22 @@ var RDB = require('./redis'),
 		});
 	}
 
+	Messaging.updateChatTime = function(uid, toUid, callback) {
+		RDB.zadd('uid:' + uid + ':chats', Date.now(), toUid, function(err) {
+			if (callback) {
+				callback(err);
+			}
+		});
+	};
+
+	Messaging.getRecentChats = function(uid, callback) {
+		RDB.zrevrange('uid:' + uid + ':chats', 0, 9, function(err, uids) {
+			if (!err) {
+				user.getMultipleUserFields(uids, ['username', 'picture', 'uid'], callback);
+			} else {
+				callback(err);
+			}
+		});
+	};
+
 }(exports));

src/websockets.js

@@ -27,6 +27,7 @@ var cookie = require('cookie'),
 	notifications = require('./notifications'),
 	threadTools = require('./threadTools'),
 	postTools = require('./postTools'),
+	Messaging = require('./messaging'),
 	meta = require('./meta'),
 	logger = require('./logger'),
 	socketCookieParser = express.cookieParser(nconf.get('secret')),
@@ -680,7 +681,7 @@ websockets.init = function(io) {
 
 		socket.on('getChatMessages', function(data, callback) {
 			var touid = data.touid;
-			require('./messaging').getMessages(uid, touid, function(err, messages) {
+			Messaging.getMessages(uid, touid, function(err, messages) {
 				if (err)
 					return callback(null);
 
@@ -709,7 +710,7 @@ websockets.init = function(io) {
 					});
 				}
 
-				require('./messaging').addMessage(uid, touid, msg, function(err, message) {
+				Messaging.addMessage(uid, touid, msg, function(err, message) {
 					var numSockets = 0;
 
 					if (userSockets[touid]) {
@@ -742,6 +743,16 @@ websockets.init = function(io) {
 			});
 		});
 
+		socket.on('api:chats.list', function(callback) {
+			Messaging.getRecentChats(uid, function(err, uids) {
+				if (err) {
+					winston.warn('[(socket) api:chats.list] Problem retrieving chats: ' + err.message);
+				}
+
+				callback(uids || []);
+			});
+		});
+
 		socket.on('api:config.get', function(data) {
 			meta.configs.list(function(err, config) {
 				if (!err) socket.emit('api:config.get', config);