Ranky is a quick prototype of a ranking engine created in javascript, nodejs, and express.

• V0.0.4 Basic ui on / and websocket implementation for broadcasting changes
• v0.0.3 Automatic test data generation when database is empty, now handling teams with arbitrary many players
• v0.0.2 Mongodb storage added. All changes are converted to events which are stored. On server startup all the events are loaded from the databse, and state rebuild
• v0.0.1 Simple api implemented, no storage

The application expects a mongodb running on localhost, and will create a database named ranky with no credentials;

It you want to install mongodb, just run:

$brew install mongodb

$mongod

And the database should be running.

After you have checked out the code and installed node and npm. Just run the following commands from the command line:

$npm install

$node app.js

Point your browser to the root /

There are 3 active endpoints, get the current ranking, create a new player, and register a match.

Post a GET request to /list

Post at POST request to /player containing a JSON body in the following form:

{
  "name": "Hans"
}

Post at POST request to /match containing a JSON body in the following form, players arrays can contain arbitrary many playerids:

{
  "team1": {
    "players": [3,5],
    "score": 10
  },
  "team2": {
    "players": [1,5],
    "score": 3 
  }
}

Connect to the server on the same port as for the api, and receive broadcasts on changes to the list. The possible messages are:

Gets a list of updated players back.

Gets the new player that has been created.