dcms/helpers/files.js

CMS library for Node.js

var fs = require('fs');
	
module.exports.PUBLIC_PATH = './public';

module.exports.urlVersion = function(fileUrl, verison) {
	return fileUrl.replace('/files/', '/files/' + verison + '/');
};

module.exports.urlToFile = function(fileUrl) {
	return decodeURI(module.exports.PUBLIC_PATH + fileUrl);
};

module.exports.deleteFile = function(fileUrl, versions, callback) {
	var counter = 0, next = function(err) {
		counter--;
		
		if(err && counter > 0)
			counter = 0;
		
		if(counter === 0) {
			if(callback) {
				callback(err);
			} else {
				if(err) console.warn(err);
			}
		}
	};
	file = module.exports.urlToFile(fileUrl);
	
	counter++;
	fs.unlink(file, next);
	
	for(var i in versions) {
		counter++;
		fs.unlink(module.exports.urlVersion(file, versions[i]), next);
	}
};