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101 lines
2.2 KiB
JavaScript
101 lines
2.2 KiB
JavaScript
var db = require('./database'),
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async = require('async'),
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user = require('./user');
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(function(Messaging) {
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function sortUids(fromuid, touid) {
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var uids = [fromuid, touid];
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uids.sort();
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return uids;
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}
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Messaging.addMessage = function(fromuid, touid, content, callback) {
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var uids = sortUids(fromuid, touid);
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db.incrObjectField('global', 'nextMid', function(err, mid) {
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if (err) {
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return callback(err, null);
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}
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var message = {
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content: content,
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timestamp: Date.now(),
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fromuid: fromuid,
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touid: touid
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};
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db.setObject('message:' + mid, message);
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db.listAppend('messages:' + uids[0] + ':' + uids[1], mid);
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Messaging.updateChatTime(fromuid, touid);
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Messaging.updateChatTime(touid, fromuid);
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callback(null, message);
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});
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}
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Messaging.getMessages = function(fromuid, touid, callback) {
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var uids = sortUids(fromuid, touid);
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db.getListRange('messages:' + uids[0] + ':' + uids[1], 0, -1, function(err, mids) {
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if (err) {
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return callback(err, null);
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}
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if (!mids || !mids.length) {
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return callback(null, []);
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}
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user.getUserField(touid, 'username', function(err, tousername) {
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var messages = [];
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function getMessage(mid, next) {
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db.getObject('message:' + mid, function(err, message) {
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if (err) {
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return next(err);
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}
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if (message.fromuid === fromuid) {
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message.content = 'You : ' + message.content;
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} else {
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message.content = tousername + ' : ' + message.content;
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}
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messages.push(message);
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next(null);
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});
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}
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async.eachSeries(mids, getMessage, function(err) {
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if (err) {
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return callback(err, null);
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}
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callback(null, messages);
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});
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});
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});
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}
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Messaging.updateChatTime = function(uid, toUid, callback) {
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db.sortedSetAdd('uid:' + uid + ':chats', Date.now(), toUid, function(err) {
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if (callback) {
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callback(err);
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}
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});
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};
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Messaging.getRecentChats = function(uid, callback) {
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db.getSortedSetRevRange('uid:' + uid + ':chats', 0, 9, function(err, uids) {
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if (!err) {
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user.getMultipleUserFields(uids, ['username', 'picture', 'uid'], callback);
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} else {
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callback(err);
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}
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});
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};
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}(exports)); |