Short Google Apps Script to email all files marked as notUploaded to an email address, such as a Box.com email upload address

PDFEMailBodyUpload.js

// for Google Apps Script

function gmailPDFUpload ()
{
  var uploadedLabel = GmailApp.getUserLabelByName('uploaded');
  var notUploadedLabel = GmailApp.getUserLabelByName('notUploaded');
  
  var notUploadedThreads = notUploadedLabel.getThreads();
  
  for (index in notUploadedThreads) {
    var notUploadedThread = notUploadedThreads[index]
    var notUploadedMessages = notUploadedThread.getMessages();
    for (index in notUploadedMessages) {
      uploadMessage(notUploadedMessages[index]);
    }
    
    // label so it doesn't get uploaded again
    notUploadedThread.removeLabel(notUploadedLabel);
    notUploadedThread.addLabel(uploadedLabel);
    notUploadedThread.markRead();
  }
    
}


// adapted from goo.gl/ZNIZX
function uploadMessage(message)
{
  var UPLOAD_EMAIL_ADDRESS = 'upload.Unfiled.oattbrecuj@u.box.com'
  
  var attach  = message.getAttachments();
  var body    = message.getBody();
  var subject = message.getSubject();
 
  // Create an HTML File from the Message Body
  var bodydochtml = DocsList.createFile('body.html', body, "text/html")
  var bodyId = bodydochtml.getId()
 
  // Convert the HTML to PDF
  var bodydocpdf = bodydochtml.getAs('application/pdf').getBytes();
  var subjectName = subject + '.pdf';
  Logger.log(subjectName);
  
  var body_to_send = {fileName: subjectName,
         content:bodydocpdf, mimeType:'application/pdf'};

  // Send the PDF to any email address
  GmailApp.sendEmail(UPLOAD_EMAIL_ADDRESS, 
     subject, 
     'see attachment',
     {attachments:[body_to_send]});

  // Trash the temporary PDF and HTML files
  DocsList.getFileById(bodyId).setTrashed(true)
}