sheercms/lib/config.js

Sheer Cliff CMS is a simple and powerful content management system (CMS) for Node JS.

/*
 Sheer Cliff CMS Plugin: config - manages the configurations settings for the CMS.
 */

var path_module = require('path');
var fs = require('fs');
var async = require("async");
var merge = require('object-merge');

/*
 callback: (err)
 */
module.exports.init = function(options, callback) {
    loadConfig(function(err) {
        if (err) {
            if (callback) callback(err);
        }
        else {
            module.exports.mergeOptions(options);
            if (callback) callback(null);
        }
    });
};

/*
Merge these options with the settings config
 */
module.exports.mergeOptions = function(options) {
    if (options) {
        console.log("Merging options with settings.");
        var settings = module.exports.settings;
        if (settings)
            module.exports.settings = merge(settings, options);
        else
            module.exports.settings = options;
    }
};

function loadConfig(callback) {
    console.log("Loading CMS configuraton.");
    var dir = path_module.join(__dirname, "..", "config");
    fs.readdir(dir, function(err,files){
        if (err) {
            logger.error(err);
            if (callback) callback(err);
        } else {
            console.log("Found " + files.length + " configuration files.");
            async.eachSeries(files, function(file, done) {
                fs.readFile(path_module.join(dir, file),'utf-8',function(err,text){
                    if (err) {
                        done(err);
                    } else {
                        if (file.indexOf(".json") > -1) {
                            file = file.substr(0, file.length - 5);
                            console.log("Found config file: " + file);
                            module.exports[file] = JSON.parse(text);
                        }
                        done();
                    }
                });
            }, function(err){
                if( err ) {
                    logger.error(err);
                    if (callback) callback(err);
                } else {
                    if (callback) callback(null);
                }
            });
        }
    });
}