mongo-web-handler/sample-server.js

This a helper for creating ExpressJS Web Handler for MongoDB querying.

// Node requires
var log4js      = require('log4js');
var express     = require('express');
var bodyParser  = require('body-parser');
var mongojs     = require('mongojs');

// Local requires
var config      = require('./config');
var MONGOWH     = require('./mongo-web-handler');


// Init Logger
var _Logger = function (){
    log4js.configure({
      appenders: [
        { type: 'console' },
        { type: 'file',
          filename: config.log.logFile,
          category: 'rest-server'
        }
      ]
    });

    var aLogger = log4js.getLogger( 'rest-server');
    aLogger.setLevel( config.log.level );
    return aLogger;
}();
_Logger.info("Server Init.");


// Init mongo connection
var db = mongojs( config.mongo.url, config.mongo.collections );
_Logger.info("MongoDB : Init connection...");
var items = db.collection('items');
_Logger.info("MongoDB : Done.");


// Init Web Server
var web = express();
web.use(express.static('public'));
web.use(bodyParser.json());

/*
=============================================================

Routes Installations

============================================================
*/
web.route( config.http.routing.ITEMS_LIST_ENDPOINT )
  .get( MONGOWH.createMongoWebHandler( _Logger, "ItemsListQuery",
    function( req, res, resultsCallbackFunc ){
      items.find( {}, resultsCallbackFunc );
    })
  );

/*
=====================================================

SERVER LISTENING

=====================================================
*/
var server = web.listen( config.http.port, config.http.backlog, function(){
  var port = server.address().port;
  _Logger.info("Start listening on port %s...", port);
});