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97 lines
2.6 KiB
JavaScript
97 lines
2.6 KiB
JavaScript
var async = require('async'),
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User = require('./user'),
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RDB = RDB || require('./redis'),
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Groups = {
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list: function(options, callback) {
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RDB.hvals('group:gid', function(err, gids) {
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if (gids.length > 0) {
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async.map(gids, function(gid, next) {
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Groups.get(gid, {
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expand: options.expand
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}, next);
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}, function(err, groups) {
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callback(err, groups.filter(function(group) {
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if (group.deleted === '1') return false;
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else return true;
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}));
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});
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} else callback(null, []);
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});
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},
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get: function(gid, options, callback) {
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async.parallel({
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base: function(next) {
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RDB.hgetall('gid:' + gid, next);
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},
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users: function(next) {
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RDB.smembers('gid:' + gid + ':members', function(err, uids) {
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if (options.expand) {
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if (err) return next(err);
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async.map(uids, function(uid, next) {
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User.getUserData(uid, function(data) {
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next(null, data);
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});
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}, function(err, users) {
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next(err, users);
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});
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} else next(err, uids);
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});
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}
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}, function(err, results) {
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if (err) return callback(err);
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results.base.count = results.users.length;
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results.base.members = results.users;
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callback(err, results.base);
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});
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},
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getGidFromName: function(name, callback) {
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RDB.hget('group:gid', name, callback);
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},
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isMember: function(uid, gid, callback) {
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RDB.sismember('gid:' + gid + ':members', uid, callback);
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},
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exists: function(name, callback) {
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RDB.hexists('group:gid', name, callback);
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},
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create: function(name, description, callback) {
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if (name.length === 0) return callback(new Error('name-too-short'));
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Groups.exists(name, function(err, exists) {
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if (!exists) {
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RDB.incr('next_gid', function(err, gid) {
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RDB.multi()
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.hset('group:gid', name, gid)
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.hmset('gid:' + gid, {
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gid: gid,
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name: name,
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description: description,
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deleted: '0'
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})
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.exec(function(err) {
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Groups.get(gid, {}, callback);
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});
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});
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} else callback(new Error('group-exists'))
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});
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},
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update: function(gid, values, callback) {
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RDB.exists('gid:' + gid, function(err, exists) {
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if (!err && exists) RDB.hmset('gid:' + gid, values, callback);
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else calback(new Error('gid-not-found'));
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});
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},
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destroy: function(gid, callback) {
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RDB.hset('gid:' + gid, 'deleted', '1', callback);
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},
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join: function(gid, uid, callback) {
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RDB.sadd('gid:' + gid + ':members', uid, callback);
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},
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leave: function(gid, uid, callback) {
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RDB.srem('gid:' + gid + ':members', uid, callback);
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}
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};
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module.exports = Groups; |