@mediafly/translate/src/export.js

Translate strings extracted from apps using Google Translate

var assert = require('assert')
var GoogleSpreadsheet = require('google-spreadsheet')
var crypto = require('crypto')
var chalk = require('chalk')
var flatten = require('flat')
var path = require('path')
var { getLanguageName, getTranslationsDir, requireOrDefault } = require('./util')

const TRANSLATIONS_DIRECTORY = getTranslationsDir()

async function exportFunc() {
	var config = require(path.join(process.cwd(), 'mediafly-translate.config'))
	assert(config.googleSheetId !== '[YOUR GOOGLE SHEET ID]', 'Configure googleSheetId in mediafly-translate.config.json to export to Google Sheets.')
	var sheetId = config.googleSheetId
	var creds = config.googleSheetsCredentials
	var languages = config.languages
	var doc = new GoogleSpreadsheet.GoogleSpreadsheet(sheetId)
	var readFile = require('./read-file').read
	var starUnicodeChar = '\u2605'
	languages.push('en')

	try {
		await doc.useServiceAccountAuth(creds)
	} catch (error) {
		console.error(`${chalk.red('Cannot authenticate with Google Sheets')}`)
		console.error(`${chalk.red(err)}`)

		throw error
	}

	try {
		await doc.getInfo()
	} catch (error) {
		console.error(`${chalk.red('Cannot access sheet')}`)
		console.error(`Verify that it is accessible to the service account being used by mediafly-translate`)

		throw error
	}

	languages.map(async language => {
		if (language === 'ke') {
			return
		}

		const englishFile = flatten(readFile('locale-en'))
		const languageName = getLanguageName(language)

		let languageSheet
		languageSheet = doc.sheetsByIndex.find(s => s.title === languageName)

		if (!languageSheet) {

			try {
				languageSheet = await doc.addSheet({
					title: languageName
				})

			} catch (error) {

				err = new Error(`Could not add sheet ${languageName}`)
				console.error(chalk.red(err.message))
				throw err
			}
		}

		if (language === 'en') {
			await languageSheet.setHeaderRow(['Key', 'English'])
			await languageSheet.resize({rowCount: 1, columnCount: 2})
		} else {
			await languageSheet.setHeaderRow(['New', 'Key', 'English', languageName, 'Override'])
			await languageSheet.resize({rowCount: 1, columnCount: 5})
		}

		if (language !== 'en') {
			var foreignFile = (config.format === 'js')
				? flatten(readFile(`locale-${language}`).default)
				: flatten(readFile(`locale-${language}`))

			var foreignOverridesFile = flatten(requireOrDefault(`${TRANSLATIONS_DIRECTORY}/locale-${language}.overrides`))
		}

		var keys = Object.keys(englishFile)
		var data = keys
			.map(key => {
				var row = {
					Key: key,
					English: englishFile[key]
				}

				if (language !== 'en') {
					var hashFromEnglishFile = crypto.createHash('md5')
						.update(englishFile[key])
						.digest('hex')

					var overrideHash = foreignOverridesFile[key]

					row[languageName] = foreignFile[key]
					row.Override = ''
					row.New = hashFromEnglishFile !== overrideHash ? starUnicodeChar : ''
				}

				return row
			})

		try {
			await languageSheet.addRows(data)
		} catch (error) {
			console.error(error)
		}

		console.log(chalk.green(`Exported ${languageName} [${language}] to Google Sheets successfully!`))
	})
}

module.exports = {
	handler: exportFunc
}