Google Script – Save Voice Mail as MP3 in Google Drive

Google Voicemail

/* Written by Amit Agarwal amit@labnol.org   */
/* Tutorial: http://www.labnol.org/?p=25153  */
 
var folder,  folder_name = "Google Voice";
var archive, gmail_label  = "MP3";
 
/* Find Google Voice messages in Gmail */
 
var filter  = "from:voice-noreply@google.com -label:" + gmail_label;    
var threads = GmailApp.search(filter, 0, 10);
 
if (threads.length) {
  
  /* Google Drive folder where the MP3 files will get stored */
  var folders = DriveApp.getFoldersByName(folder_name); 
  folder = folders.hasNext() ? folders.next() : DriveApp.createFolder(folder_name);
  
  /* Gmail Label that is applied to processed voice mails */
  archive = GmailApp.getUserLabelByName(gmail_label) ? 
    GmailApp.getUserLabelByName(gmail_label) : GmailApp.createLabel(gmail_label);
  
  for (var x=0; x<threads.length; x++) {
    
    threads[x].addLabel(archive);
    
    var msg = threads[x].getMessages()[0];
    
    /* Find the link to play the voice mail message */
    var url = msg.getBody().match(/https?:\/\/www.google.com\/voice\/fm[^\"]*/gi);
    
    if (url) {
      
      /* Find the name of the voice sender (or their phone number) */
      var file_name = msg.getSubject().match(/new voicemail from (.*) at /i);
      
      /* Add the voice mail date to the file name */
      var file_date = Utilities.formatDate(
        msg.getDate(), Session.getScriptTimeZone(), "yyyy-MM-dd HH:mm");
      
      if (file_name) {
        
        /* Extract the audio file and save as an MP3 file */
        var mp3 = url[0].replace("/voice/fm/", "/voice/media/svm/");
        var file = folder.createFile(UrlFetchApp.fetch(mp3).getBlob());
        
        /* Save the voice mail transcript with the audio file */
        file.setName(file_name[1] + " [" + file_date + "]" + ".mp3");
        file.setDescription(msg.getPlainBody());
        
      }                   
    }        
  }      
}