gui-tool/server/config.js

Generating of ExtJS prototypes and skeleton applications with Siesta tests has never been so easy and fast.

/*
 * Reads the config parameters of the application from the config.yml file.
 */

// Load the YAML parser module
var yaml = require('js-yaml'),
    fs = require('fs');

// Load the should module for validation
require('should');

var configFile = {};
var parameters = {};

var setEnvironment = function(environment) {

    if (environment !== null &&
        configFile.environments[environment].should.be.an.Object) {
        // Process default values combined with
        // the parameters of the selected environment

        parameters = configFile.environments['default'];
        parameters.environment = environment;

        Object.getOwnPropertyNames(configFile.environments[environment]).forEach(function(key) {
            parameters[key] = configFile.environments[environment][key];
        });
    } else {
        console.log('ERROR: Wrong environment "' + environment + '"');
    }
    return parameters;
};

/** Parse the config file and returns with the default config parameters */
var loadConfiguration = function(configFileName) {
    // Load the YAML format config file
    configFile = yaml.load(fs.readFileSync(configFileName));

    configFile.should.be.an.instanceOf(Object);
    configFile.should.have.property('useEnvironment');
    configFile.should.have.property('environments');
    configFile.environments.should.be.an.instanceOf(Object);
    configFile.environments.should.have.property('default');
    // configFile.environments[ 'default' ].useEnvironment = configFile.useEnvironment || "default";

    setEnvironment(configFile.useEnvironment);
    return parameters;
};

// Set the config parameters to the default environment
var parameters = loadConfiguration(__dirname + '/config.yml');

exports.setEnvironment = setEnvironment;
exports.parameters = parameters;