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119 lines
2.9 KiB
JavaScript
119 lines
2.9 KiB
JavaScript
var RDB = require('./redis.js'),
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posts = require('./posts.js'),
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user = require('./user.js');
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(function (Favourites) {
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"use strict";
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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: 'danger',
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timeout: 5000
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});
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return;
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}
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posts.getPostFields(pid, ['uid', 'timestamp'], function (postData) {
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Favourites.hasFavourited(pid, uid, function (hasFavourited) {
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if (hasFavourited === 0) {
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RDB.sadd('pid:' + pid + ':users_favourited', uid);
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RDB.zadd('uid:' + uid + ':favourites', postData.timestamp, pid);
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RDB.hincrby('post:' + pid, 'reputation', 1);
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if (uid !== postData.uid) {
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user.incrementUserFieldBy(postData.uid, 'reputation', 1, function (err, newreputation) {
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RDB.zadd('users:reputation', newreputation, postData.uid);
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});
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}
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if (room_id) {
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io.sockets. in (room_id).emit('event:rep_up', {
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uid: uid !== postData.uid ? postData.uid : 0,
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pid: pid
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});
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}
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socket.emit('api:posts.favourite', {
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status: 'ok',
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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.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: 'danger',
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timeout: 5000
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});
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return;
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}
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posts.getPostField(pid, 'uid', function (uid_of_poster) {
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Favourites.hasFavourited(pid, uid, function (hasFavourited) {
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if (hasFavourited === 1) {
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RDB.srem('pid:' + pid + ':users_favourited', uid);
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RDB.zrem('uid:' + uid + ':favourites', pid);
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RDB.hincrby('post:' + pid, 'reputation', -1);
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if (uid !== uid_of_poster) {
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user.incrementUserFieldBy(uid_of_poster, 'reputation', -1, function (err, newreputation) {
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RDB.zadd('users:reputation', newreputation, uid_of_poster);
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});
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}
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if (room_id) {
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io.sockets. in (room_id).emit('event:rep_down', {
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uid: uid !== uid_of_poster ? uid_of_poster : 0,
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pid: pid
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});
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}
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socket.emit('api:posts.unfavourite', {
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status: 'ok',
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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) {
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callback(data);
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}
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});
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}(pids[i]));
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}
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};
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}(exports)); |