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closes #2594

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This commit is contained in:
barisusakli
2015-01-13 17:15:10 -05:00
parent a8c818c6cd
commit fd2edcaf6f
6 changed files with 146 additions and 55 deletions
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64
src/user/follow.js
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@@ -23,29 +23,40 @@ module.exports = function(User) {
return callback(new Error('[[error:you-cant-follow-yourself]]'));
}
var command = type === 'follow' ? 'setAdd' : 'setRemove';
db[command]('following:' + uid, theiruid, function(err) {
if(err) {
return callback(err);
}
db[command]('followers:' + theiruid, uid, callback);
});
var now = Date.now();
if (type === 'follow') {
async.parallel([
async.apply(db.sortedSetAdd, 'following:' + uid, now, theiruid),
async.apply(db.sortedSetAdd, 'followers:' + theiruid, now, uid),
async.apply(User.incrementUserFieldBy, uid, 'followingCount', 1),
async.apply(User.incrementUserFieldBy, theiruid, 'followerCount', 1)
], callback);
} else {
async.parallel([
async.apply(db.sortedSetRemove, 'following:' + uid, theiruid),
async.apply(db.sortedSetRemove, 'followers:' + theiruid, uid),
async.apply(User.decrementUserFieldBy, uid, 'followingCount', 1),
async.apply(User.decrementUserFieldBy, theiruid, 'followerCount', 1)
], callback);
}
}
User.getFollowing = function(uid, callback) {
getFollow(uid, 'following:' + uid, callback);
User.getFollowing = function(uid, start, end, callback) {
getFollow(uid, 'following:' + uid, start, end, callback);
};
User.getFollowers = function(uid, callback) {
getFollow(uid, 'followers:' + uid, callback);
User.getFollowers = function(uid, start, end, callback) {
getFollow(uid, 'followers:' + uid, start, end, callback);
};
function getFollow(uid, set, callback) {
function getFollow(uid, set, start, end, callback) {
if (!parseInt(uid, 10)) {
return callback(null, []);
}
db.getSetMembers(set, function(err, uids) {
db.getSortedSetRevRange(set, start, end, function(err, uids) {
if (err) {
return callback(err);
}
@@ -54,36 +65,11 @@ module.exports = function(User) {
});
}
User.getFollowingCount = function(uid, callback) {
if (!parseInt(uid, 10)) {
return callback(null, 0);
}
db.setCount('following:' + uid, callback);
};
User.getFollowerCount = function(uid, callback) {
if (!parseInt(uid, 10)) {
return callback(null, 0);
}
db.setCount('followers:' + uid, callback);
};
User.getFollowStats = function (uid, callback) {
async.parallel({
followingCount: function(next) {
User.getFollowingCount(uid, next);
},
followerCount : function(next) {
User.getFollowerCount(uid, next);
}
}, callback);
};
User.isFollowing = function(uid, theirid, callback) {
if (!parseInt(uid, 10) || !parseInt(theirid, 10)) {
return callback(null, false);
}
db.isSetMember('following:' + uid, theirid, callback);
db.isSortedSetMember('following:' + uid, theirid, callback);
};
};