all files / src/messaging/ unread.js

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'use strict';
 
var async = require('async');
 
var db = require('../database');
var sockets = require('../socket.io');
 
module.exports = function(Messaging) {
 
	Messaging.getUnreadCount = function(uid, callback) {
		if (!parseInt(uid, 10)) {
			return callback(null, 0);
		}
		db.sortedSetCard('uid:' + uid + ':chat:rooms:unread', callback);
	};
 
	Messaging.pushUnreadCount = function(uid) {
		if (!parseInt(uid, 10)) {
			return callback(null, 0);
		}
		Messaging.getUnreadCount(uid, function(err, unreadCount) {
			if (err) {
				return;
			}
			sockets.in('uid_' + uid).emit('event:unread.updateChatCount', unreadCount);
		});
	};
 
	Messaging.markRead = function(uid, roomId, callback) {
		db.sortedSetRemove('uid:' + uid + ':chat:rooms:unread', roomId, callback);
	};
 
	Messaging.markAllRead = function(uid, callback) {
		db.delete('uid:' + uid + ':chat:rooms:unread', callback);
	};
 
	Messaging.markUnread = function(uids, roomId, callback) {
		async.waterfall([
			function (next) {
				Messaging.roomExists(roomId, next);
			},
			function (exists, next) {
				if (!exists) {
					return next(new Error('[[error:chat-room-does-not-exist]]'));
				}
				var keys = uids.map(function(uid) {
					return 'uid:' + uid + ':chat:rooms:unread';
				});
 
				db.sortedSetsAdd(keys, Date.now(), roomId, next);
			}
		], callback);
	};
 
};