utils.js

var fs       = require('fs.extra');
var path     = require('path');
var _        = require('lodash');
var archiver = require('archiver');

var lodir = function(dir) {
  var newArgs = [__dirname];
  var args = Array.prototype.slice.call(arguments);
  newArgs = newArgs.concat(args);

  return path.join.apply(this, newArgs);
};

var getHome = function() {
  return process.env[(process.platform == 'win32') ? 'USERPROFILE' : 'HOME'];
};

var getConfig = function() {
  var config;
  try {
    config = JSON.parse(fs.readFileSync(path.join(getHome(), '.sona.json')));
  } catch (e) {
    config = {
      guid: null,
      email: null,
    };
    fs.writeFileSync(path.join(getHome(), '.sona.json'), JSON.stringify(config, null, 2));
  }
  return config;
};

var getGUID = function() {
  return getConfig().guid;
};

var setGUID = function(guid) {
  var config = JSON.parse(fs.readFileSync(path.join(getHome(), '.sona.json')));
  config.guid = guid;
  fs.writeFileSync(path.join(getHome(), '.sona.json'), JSON.stringify(config, null, 2));
};

var getEmail = function() {
  return getConfig().email;
};

var setEmail = function(email) {
  var config = JSON.parse(fs.readFileSync(path.join(getHome(), '.sona.json')));
  config.email = email;
  fs.writeFileSync(path.join(getHome(), '.sona.json'), JSON.stringify(config, null, 2));
};

var zip = function(dir, name, cb) {
  var output = fs.createWriteStream(lodir(name + '.zip'));
  var archive = archiver('zip');

  output.on('close', function() {
    cb();
  });

  archive.on('error', function(err) {
    throw err;
  });

  archive.pipe(output);

  archive.directory(dir, name);

  archive.finalize();
};

var warning = function(txt) {
  console.log(txt.yellow);
};

var error = function(txt) {
  console.log(txt.red);
};

var success = function(txt) {
  console.log(txt.green);
};

module.exports.lodir = lodir;
module.exports.getConfig = getConfig;
module.exports.getGUID = getGUID;
module.exports.setGUID = setGUID;
module.exports.getEmail = getEmail;
module.exports.setEmail = setEmail;
module.exports.getHome = getHome;
module.exports.warning = warning;
module.exports.error = error;
module.exports.success = success;
module.exports.zip = zip;