igo/cli/i18n.js

const request     = require('request');
const fs          = require('fs');
const _           = require('lodash');
const config      = require('../src/config');

// verbs
const verbs   = {

  // igo i18n update
  update: function(args, callback) {
    if (!config.i18n.spreadsheet_id) {
      return callback('Missing config.i18n.spreadsheet_id');
    }
    const path = 'https://spreadsheets.google.com/feeds/list/' +
                  config.i18n.spreadsheet_id +
                  '/default/public/values?alt=json';

    // request json data
    request(path, (err, res, body) => {
      if (err) {
        return callback(err);
      }
      const json = JSON.parse(body);
      //console.dir(json);
      const translations = {};

      // parse
      json.feed.entry.forEach(entry => {
        //
        const key = _.get(entry, 'gsx$key.$t');
        config.i18n.whitelist.forEach((lang) => {
          const value = _.get(entry, 'gsx$' + lang + '.$t');
          if (value) {
            _.setWith(translations, lang + '.' + key, value, Object);
          }
        });

      });

      // write translation files
      config.i18n.whitelist.forEach((lang) => {
        const dir = `./locales/${lang}`;
        if (!fs.existsSync(dir)) {
          console.warn('Missing directory: ' + dir);
          return;
        }
        translations[lang]._meta = {
          generated_at: new Date(),
          lang
        };
        const data = JSON.stringify(translations[lang], null, 2);
        const filename = `${dir}/translation.json`;
        console.log('Writing ' + filename);
        fs.writeFileSync(filename, data );
      });

      callback();
    });
  }

};

// igo i18n
module.exports = function(argv) {
  var args = argv._;
  config.init();

  if (args.length > 1 && verbs[args[1]]) {
    verbs[args[1]](args, function(err) {
      console.log(err || 'Done.');
      process.exit(0);
    });
  } else {
    console.error('ERROR: Wrong options');
    console.error('Usage: igo i18n [update]')
  }


};