mongodb explorer

mongodb.js

/**
 * Main Server file
 * @description: this file should iterate over the collections with filters if ones are passed and retrieve the data
 * @author: Jacek Dominiak
 * @copyright: Jacek Dominiak
 * @created: 11/03/15
 */

// ---------------------------------
// import config
var config = require('./config');

// ---------------------------------
// definition the application
var express = require('express')
    , app = express();

// make logger
var morgan = require('morgan')
    , fs = require('fs');

app.use(morgan('combined', {
    stream : fs.createWriteStream(config.app.LOGFILE, {
        flags: 'a'
    })
}));

// server function
var server = {
    start: function () {
        var instance = app.listen(config.app.PORT || 9999, function () {

            // catch the configuration
            var host = instance.address().address
                , port = instance.address().port;

            console.log('Server instance started on http://%s:%s', host, port);
        });
    }
};

// ---------------------------------
// connect to the database
var mongojs = require('mongojs');

/**
 * Prepare the URL for the connection
 * @param config
 * @returns {string}
 */
function prepareDbUrl (config) {
    var connectionString = '';

    if (!!config.db && !!config.db.USERNAME && config.db.USERNAME.length > 0) {
        connectionString += config.db.USERNAME + ':' + config.db.PASSWORD + '@';
    }

    return connectionString + config.db.HOST + ':' + config.db.PORT + '/' + config.db.DATABASE;
}

// connect to the database
var db = mongojs(prepareDbUrl(config));

// ---------------------------------
// handle the data fetch and return the data
app.get('/api/:collection', function (req, res) {

    var collection = db.collection(req.params.collection);

    collection.find(req.query || {}, function (err, data) {
        if (err) return res.status(500).send(err);
        return res.status(200).json(data);
    });
});

// ---------------------------------
// start the application instance
server.start();