closes #2191

added unique visitors analytics
only update it every hour

src/middleware/middleware.js

@@ -45,7 +45,18 @@ middleware.updateLastOnlineTime = function(req, res, next) {
 		user.updateLastOnlineTime(req.user.uid);
 	}
 
+	db.sortedSetScore('ip:recent', req.ip, function(err, score) {
+		if (err) {
+			return;
+		}
+		var today = new Date();
+		today.setHours(today.getHours(), 0, 0, 0);
+
+		if (!score || score < today.getTime()) {
+			db.sortedSetIncrBy('analytics:uniquevisitors', 1, today.getTime());
 			db.sortedSetAdd('ip:recent', Date.now(), req.ip || 'Unknown');
+		}
+	});
 
 	next();
 };

src/socket.io/admin.js

@@ -188,7 +188,7 @@ SocketAdmin.analytics.get = function(socket, data, callback) {
 		if (data.graph === 'traffic') {
 			async.parallel({
 				uniqueVisitors: function(next) {
-					getHourlyStatsForSet('ip:recent', data.amount, next);
+					getHourlyStatsForSet('analytics:uniquevisitors', data.amount, next);
 				},
 				pageviews: function(next) {
 					getHourlyStatsForSet('analytics:pageviews', data.amount, next);