MoveFEInboxGmail.gs

// GLOBALS
//Array of file extension which you would like to extract to Drive
var fileTypesToExtract = ['pdf', 'xml'];
//Name of the folder in google drive i which files will be put
var folderName = 'LabelMOD';
//Name of the label which will be applied after processing the mail message
var labelName = 'LabelMOD';



function GToDrive(){
  //build query to search emails
  var query = '';
  //filename:jpg OR filename:tif OR filename:gif OR fileName:png OR filename:bmp OR filename:svg'; //'after:'+formattedDate+
  //for(var i in fileTypesToExtract){
//	query += (query == '' ?('filename:'+fileTypesToExtract[i]) : (' AND filename:'+fileTypesToExtract[i]));
  //}
  query = 'in:inbox has:nouserlabels filename:pdf AND filename:xml OR (filename:pdf AND filename:zip)';
  
  var threads = GmailApp.search(query, 0 ,10);
  var label = getGmailLabel_(labelName);
  var parentFolder;
  if(threads.length > 0){
    parentFolder = getFolder_(folderName);
  }
  var root = DriveApp.getRootFolder();
  for(var i in threads){
    var mesgs = threads[i].getMessages();
	for(var j in mesgs){
      var randomName = parseInt(Math.random()*10000000);
      //get attachments
      var attachments = mesgs[j].getAttachments();
      for(var k in attachments){
        var attachment = attachments[k];
        //var isImageType = checkIfImage_(attachment);
    	//if(!isImageType) continue;
    	var attachmentBlob = attachment.copyBlob();
        var file = DriveApp.createFile(attachmentBlob);
        var fileType = file.getMimeType();
        var extension = '';
        if(fileType == 'application/pdf')
          extension = 'pdf'
        if(fileType == 'application/xml')
          extension = 'xml'
        if(fileType == 'application/zip')
          extension = 'zip'
        var newName = randomName + "." + extension;
        file.setName(newName.replace(/\.\./g, ''))
        parentFolder.addFile(file);
        root.removeFile(file);      
      }
	}
	threads[i].addLabel(label);
  }
}

//This function will get the parent folder in Google drive
function getFolder_(folderName){
  var folder;
  var fi = DriveApp.getFoldersByName(folderName);
  if(fi.hasNext()){
    folder = fi.next();
  }
  else{
    folder = DriveApp.createFolder(folderName);
  }
  return folder;
}

//getDate n days back
// n must be integer
function getDateNDaysBack_(n){
  n = parseInt(n);
  var today = new Date();
  var dateNDaysBack = new Date(today.valueOf() - n*24*60*60*1000);
  return dateNDaysBack;
}

function getGmailLabel_(name){
  var label = GmailApp.getUserLabelByName(name);
  if(label == null){
	label = GmailApp.createLabel(name);
  }
  return label;
}

//this function will check for filextension type.
// and return boolean
function checkIfImage_(attachment){
  var fileName = attachment.getName();
  var temp = fileName.split('.');
  var fileExtension = temp[temp.length-1].toLowerCase();
  if(fileTypesToExtract.indexOf(fileExtension) != -1) return true;
  else return false;
}