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src/favourites.js

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barisusakli
2014-11-12 16:40:06 -05:00
parent 9a16a359a8
commit bd388f727c
1 changed files with 41 additions and 45 deletions
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86
src/favourites.js
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@@ -1,3 +1,5 @@
"use strict";
var async = require('async'),
winston = require('winston'),
db = require('./database'),
@@ -7,7 +9,6 @@ var async = require('async'),
meta = require('./meta');
(function (Favourites) {
"use strict";
function vote(type, unvote, pid, uid, callback) {
uid = parseInt(uid, 10);
@@ -239,54 +240,56 @@ var async = require('async'),
};
function toggleFavourite(type, pid, uid, callback) {
if (uid === 0) {
if (!parseInt(uid, 10)) {
return callback(new Error('[[error:not-logged-in]]'));
}
var isFavouriting = type === 'favourite';
posts.getPostFields(pid, ['pid', 'uid', 'timestamp'], function (err, postData) {
async.parallel({
postData: function(next) {
posts.getPostFields(pid, ['pid', 'uid'], next);
},
hasFavourited: function(next) {
Favourites.hasFavourited(pid, uid, next);
}
}, function(err, results) {
if (err) {
return callback(err);
}
Favourites.hasFavourited(pid, uid, function (err, hasFavourited) {
if (err) {
return callback(err);
}
if (isFavouriting && results.hasFavourited) {
return callback(new Error('[[error:already-favourited]]'));
}
if (isFavouriting && hasFavourited) {
return callback(new Error('[[error:already-favourited]]'));
}
if (!isFavouriting && !results.hasFavourited) {
return callback(new Error('[[error:alrady-unfavourited]]'));
}
if (!isFavouriting && !hasFavourited) {
return callback(new Error('[[error:alrady-unfavourited]]'));
}
if (isFavouriting) {
db.sortedSetAdd('uid:' + uid + ':favourites', postData.timestamp, pid);
} else {
db.sortedSetRemove('uid:' + uid + ':favourites', pid);
}
db[isFavouriting ? 'setAdd' : 'setRemove']('pid:' + pid + ':users_favourited', uid, function(err) {
if (err) {
return callback(err);
async.waterfall([
function(next) {
if (isFavouriting) {
db.sortedSetAdd('uid:' + uid + ':favourites', Date.now(), pid, next);
} else {
db.sortedSetRemove('uid:' + uid + ':favourites', pid, next);
}
db.setCount('pid:' + pid + ':users_favourited', function(err, count) {
if (err) {
return callback(err);
}
postData.reputation = count;
posts.setPostField(pid, 'reputation', count, function(err) {
callback(err, {
post: postData,
isFavourited: isFavouriting
});
});
},
function(next) {
db[isFavouriting ? 'setAdd' : 'setRemove']('pid:' + pid + ':users_favourited', uid, next);
},
function(next) {
db.setCount('pid:' + pid + ':users_favourited', next);
},
function(count, next) {
results.postData.reputation = count;
posts.setPostField(pid, 'reputation', count, next);
},
function(next) {
next(null, {
post: results.postData,
isFavourited: isFavouriting
});
});
});
}
], callback);
});
}
@@ -310,13 +313,6 @@ var async = require('async'),
db.isMemberOfSets(sets, uid, callback);
};
Favourites.getFavouritedUidsByPids = function(pids, callback) {
var sets = pids.map(function(pid) {
return 'pid:' + pid + ':users_favourited';
});
db.getSetsMembers(sets, callback);
};
Favourites.getUpvotedUidsByPids = function(pids, callback) {
var sets = pids.map(function(pid) {
return 'pid:' + pid + ':upvote';