Google Translate API

google_translate_api.gs

// Author: Burak Fircasiguzel <github.com/burakfircasiguzel>

// Post requests are processed within the doPost(e) method in Google Apps Script
function doPost(e) {

  // In POST requests, parameters and variables are contained in e.postData.contents as a default
  var datas = JSON.parse(e.postData.contents);

  // This is the JSON object that will return as the response we created.
  var response = {
    data: [],
    message: ""
  };


  // Checking whether there is content in the original name in the request. If such "datas.original" exists, it will enter control.
  if (datas.data !== undefined) {
    var from = datas.from; // Which language will be translated, this can be empty. Example: "EN"
    var to = datas.to;     // The language we want to translate. Example: "ES"
    var data = datas.data; // Contents to be translated

    // Looping within the content we want translated
    for (var i = 0; i < data.length; i++) {
      var obj = data[i];  // Temp object from loop

      // LanguageApp is a Google Apps Script method similar to Google Translate
      // If the content to be translated is not available in the target language, the same content is returned.
      var str = LanguageApp.translate(obj.original, from, to);
  
      // We fill in the data in our JSON response which will return
      response.data.push({ original: obj.original, translated: str });
    }
    //Success Message
    response.message = "Success";
    
  } else {
    //Error Message
    response.message = "Error";
  }

  // Return response
  return ContentService.createTextOutput(JSON.stringify(response)).setMimeType(ContentService.MimeType.JSON);

}