enigma-bbs/core/config_util.js

/* jslint node: true */
'use strict';

const Config			= require('./config.js').config;
const ConfigCache		= require('./config_cache.js');
const Events			= require('./events.js');

//	deps
const paths				= require('path');
const async				= require('async');

exports.init			= init;
exports.getFullConfig	= getFullConfig;

function getConfigPath(filePath) {
	//	|filePath| is assumed to be in the config path if it's only a file name
	if('.' === paths.dirname(filePath)) {
		filePath = paths.join(Config.paths.config, filePath);
	}
	return filePath;
}

function init(cb) {
	//	pre-cache menu.hjson and prompt.hjson + establish events
	const changed = ( { fileName, fileRoot } ) => {
		const reCachedPath = paths.join(fileRoot, fileName);
		if(reCachedPath === getConfigPath(Config.general.menuFile)) {
			Events.emit(Events.getSystemEvents().MenusChanged);
		} else if(reCachedPath === getConfigPath(Config.general.promptFile)) {
			Events.emit(Events.getSystemEvents().PromptsChanged);
		}
	};

	async.series(
		[
			function menu(callback) {
				return ConfigCache.getConfigWithOptions(
					{
						filePath : getConfigPath(Config.general.menuFile),
						callback : changed,
					},
					callback
				);
			},
			function prompt(callback) {
				return ConfigCache.getConfigWithOptions(
					{
						filePath : getConfigPath(Config.general.promptFile),
						callback : changed,
					},
					callback
				);
			}
		],
		err => {
			return cb(err);
		}
	);
}

function getFullConfig(filePath, cb) {
	ConfigCache.getConfig(getConfigPath(filePath), (err, config) => {
		return cb(err, config);
	});
}