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| 'use strict';
var async = require('async');
var db = require('../../database');
var user = require('../../user');
var posts = require('../../posts');
var favourites = require('../../favourites');
var plugins = require('../../plugins');
var websockets = require('../index');
var privileges = require('../../privileges');
var socketHelpers = require('../helpers');
module.exports = function(SocketPosts) {
SocketPosts.getVoters = function(socket, data, callback) {
if (!data || !data.pid || !data.cid) {
return callback(new Error('[[error:invalid-data]]'));
}
async.waterfall([
function (next) {
privileges.categories.isAdminOrMod(data.cid, socket.uid, next);
},
function (isAdminOrMod, next) {
if (!isAdminOrMod) {
return next(new Error('[[error:no-privileges]]'));
}
async.parallel({
upvoteUids: function(next) {
db.getSetMembers('pid:' + data.pid + ':upvote', next);
},
downvoteUids: function(next) {
db.getSetMembers('pid:' + data.pid + ':downvote', next);
}
}, next);
},
function (results, next) {
async.parallel({
upvoters: function(next) {
user.getUsersFields(results.upvoteUids, ['username', 'userslug', 'picture'], next);
},
upvoteCount: function(next) {
next(null, results.upvoteUids.length);
},
downvoters: function(next) {
user.getUsersFields(results.downvoteUids, ['username', 'userslug', 'picture'], next);
},
downvoteCount: function(next) {
next(null, results.downvoteUids.length);
}
}, next);
}
], callback);
};
SocketPosts.getUpvoters = function(socket, pids, callback) {
if (!Array.isArray(pids)) {
return callback(new Error('[[error:invalid-data]]'));
}
favourites.getUpvotedUidsByPids(pids, function(err, data) {
if (err || !Array.isArray(data) || !data.length) {
return callback(err, []);
}
async.map(data, function(uids, next) {
var otherCount = 0;
if (uids.length > 6) {
otherCount = uids.length - 5;
uids = uids.slice(0, 5);
}
user.getUsernamesByUids(uids, function(err, usernames) {
next(err, {
otherCount: otherCount,
usernames: usernames
});
});
}, callback);
});
};
SocketPosts.upvote = function(socket, data, callback) {
favouriteCommand(socket, 'upvote', 'voted', 'notifications:upvoted_your_post_in', data, callback);
};
SocketPosts.downvote = function(socket, data, callback) {
favouriteCommand(socket, 'downvote', 'voted', '', data, callback);
};
SocketPosts.unvote = function(socket, data, callback) {
favouriteCommand(socket, 'unvote', 'voted', '', data, callback);
};
SocketPosts.favourite = function(socket, data, callback) {
favouriteCommand(socket, 'favourite', 'favourited', 'notifications:favourited_your_post_in', data, callback);
};
SocketPosts.unfavourite = function(socket, data, callback) {
favouriteCommand(socket, 'unfavourite', 'favourited', '', data, callback);
};
function favouriteCommand(socket, command, eventName, notification, data, callback) {
if (!socket.uid) {
return callback(new Error('[[error:not-logged-in]]'))
}
if(!data || !data.pid || !data.room_id) {
return callback(new Error('[[error:invalid-data]]'));
}
async.parallel({
exists: function(next) {
posts.exists(data.pid, next);
},
deleted: function(next) {
posts.getPostField(data.pid, 'deleted', next);
}
}, function(err, results) {
if (err || !results.exists) {
return callback(err || new Error('[[error:invalid-pid]]'));
}
if (parseInt(results.deleted, 10) === 1) {
return callback(new Error('[[error:post-deleted]]'));
}
/*
hooks:
filter:post.upvote
filter:post.downvote
filter:post.unvote
filter:post.favourite
filter:post.unfavourite
*/
plugins.fireHook('filter:post.' + command, {data: data, uid: socket.uid}, function(err, filteredData) {
if (err) {
return callback(err);
}
executeFavouriteCommand(socket, command, eventName, notification, filteredData.data, callback);
});
});
}
function executeFavouriteCommand(socket, command, eventName, notification, data, callback) {
favourites[command](data.pid, socket.uid, function(err, result) {
if (err) {
return callback(err);
}
if (result && eventName) {
socket.emit('posts.' + command, result);
websockets.in(data.room_id).emit('event:' + eventName, result);
}
if (result && notification) {
socketHelpers.sendNotificationToPostOwner(data.pid, socket.uid, notification);
}
callback();
});
}
}; |