iobroker.dysonairpurifier/lib/tools.js

dyson air purifiers and fans

//@ts-check
const axios = require('axios').default;

/**
 * Translates text to the target language. Automatically chooses the right translation API.
 * @param {string} text The text to translate
 * @param {string} targetLang The target languate
 * @param {string} [yandexApiKey] The yandex API key. You can create one for free at https://translate.yandex.com/developers
 * @returns {Promise<string>}
 */
async function translateText(text, targetLang, yandexApiKey) {
  if (targetLang === 'en') {
    return text;
  }
  if (yandexApiKey) {
    return await translateYandex(text, targetLang, yandexApiKey);
  } else {
    return await translateGoogle(text, targetLang);
  }
}

/**
 * Translates text with Yandex API
 * @param {string} text The text to translate
 * @param {string} targetLang The target languate
 * @param {string} [apiKey] The yandex API key. You can create one for free at https://translate.yandex.com/developers
 * @returns {Promise<string>}
 */
async function translateYandex(text, targetLang, apiKey) {
  if (targetLang === 'zh-cn') {
    targetLang = 'zh';
  }
  try {
    const url = `https://translate.yandex.net/api/v1.5/tr.json/translate?key=${apiKey}&text=${encodeURIComponent(text)}&lang=en-${targetLang}`;
    const response = await axios({ url, timeout: 15000 });
    if (response.data && response.data['text']) {
      return response.data['text'][0];
    }
    throw new Error('Invalid response for translate request');
  } catch (e) {
    throw new Error(`Could not translate to "${targetLang}": ${e}`);
  }
}

/**
 * Translates text with Google API
 * @param {string} text The text to translate
 * @param {string} targetLang The target languate
 * @returns {Promise<string>}
 */
async function translateGoogle(text, targetLang) {
  try {
    const url = `http://translate.googleapis.com/translate_a/single?client=gtx&sl=en&tl=${targetLang}&dt=t&q=${encodeURIComponent(text)}&ie=UTF-8&oe=UTF-8`;
    const response = await axios({ url, timeout: 15000 });
    if (Array.isArray(response.data)) {
      // we got a valid response
      return response.data[0][0][0];
    }
    throw new Error('Invalid response for translate request');
  } catch (e) {
    throw new Error(`Could not translate to "${targetLang}": ${e}`);
  }
}

module.exports = {
  translateText
};