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100 lines
2.4 KiB
JavaScript
100 lines
2.4 KiB
JavaScript
12 years ago
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var RDB = require('./redis.js'),
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user = require('./user.js');
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(function(Favourites) {
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Favourites.favourite = function(pid, room_id, uid, socket) {
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if (uid === 0) {
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socket.emit('event:alert', {
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alert_id: 'post_favourite',
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title: 'Not Logged In',
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message: 'Please log in in order to favourite this post',
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type: 'error',
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timeout: 5000
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});
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socket.emit('api:posts.favourite', {
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status: 'error',
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pid: pid
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});
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return;
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}
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RDB.get('pid:' + pid + ':uid', function(err, uid_of_poster) {
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RDB.handle(err);
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Favourites.hasFavourited(pid, uid, function(hasFavourited) {
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if (hasFavourited == false) {
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RDB.sadd('pid:' + pid + ':users_favourited', uid);
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RDB.incr('pid:' + pid + ':rep');
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if (uid !== uid_of_poster) user.incrementUserFieldBy(uid_of_poster, 'reputation', 1);
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if (room_id) {
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io.sockets.in(room_id).emit('event:rep_up', {uid: uid !== uid_of_poster ? uid_of_poster : 0, pid: pid});
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}
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socket.emit('api:posts.favourite', {
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status: 'ok'
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});
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}
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});
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});
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}
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Favourites.unfavourite = function(pid, room_id, uid, socket) {
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if (uid === 0) {
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socket.emit('event:alert', {
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alert_id: 'post_favourite',
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title: 'Not Logged In',
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message: 'Please log in in order to favourite this post',
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type: 'error',
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timeout: 5000
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});
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return;
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}
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RDB.get('pid:' + pid + ':uid', function(err, uid_of_poster) {
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RDB.handle(err);
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Favourites.hasFavourited(pid, uid, function(hasFavourited) {
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if (hasFavourited == true) {
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RDB.srem('pid:' + pid + ':users_favourited', uid);
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RDB.decr('pid:' + pid + ':rep');
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if (uid !== uid_of_poster) user.incrementUserFieldBy(uid_of_poster, 'reputation', -1);
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if (room_id) {
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io.sockets.in(room_id).emit('event:rep_down', {uid: uid !== uid_of_poster ? uid_of_poster : 0, pid: pid});
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}
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}
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});
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});
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}
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Favourites.hasFavourited = function(pid, uid, callback) {
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RDB.sismember('pid:' + pid + ':users_favourited', uid, function(err, hasFavourited) {
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RDB.handle(err);
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callback(hasFavourited);
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});
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}
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Favourites.getFavouritesByPostIDs = function(pids, uid, callback) {
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var loaded = 0;
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var data = {};
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for (var i=0, ii=pids.length; i<ii; i++) {
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(function(post_id) {
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Favourites.hasFavourited(post_id, uid, function(hasFavourited) {
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data[post_id] = hasFavourited;
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loaded ++;
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if (loaded == pids.length) callback(data);
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});
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}(pids[i]))
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}
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}
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}(exports));
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