online

Track online user activity with redis.

Installation

$ npm install online

Example

var online = require('online')
  , redis = require('redis')
  , db = redis.createClient();
 
// use the given redis client
online = online(db);
 
// later in middleware or somewhere in your
// application add these calls to track activity:
online.add(user.id, function(err){
  
})
 
// get users active in the last 10 minutes
online.last(10, function(err, ids){
  console.log(ids);
})

API

Online#add(id, fn)

Add a user id to the active minute-level set.

Online#clear(fn)

Clear all activity tracking, useful for tests etc.

Online#last(n, fn)

Get activity in the last n minutes and invoke fn(err, ids).

License

(The MIT License)

Copyright (c) 2012 TJ Holowaychuk <tj@learnboost.com>

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.