Auto archive

autoarchive.gs

/*
Shout out to Gabe Benjiman from Github for the basis of this script
https://gist.github.com/GabeBenjamin/3ef20889fa37ae97e9492e58e90db892

For info on how to get this to run automatically in your email, check out this Medium post:
https://medium.com/@fw3d/auto-archive-emails-in-gmail-after-2-days-1ebf0e076b1c
*/

function gmailAutoArchive() {
  // In a world where I am less lazy, this could be written better with a regex
  const maxDays = 14;
  for (var i = 1; i <= maxDays; i++) {
    _gmailAutoarchiveHelper(i);
  }
}

function _gmailAutoarchiveHelper(numDays) {
  Logger.log('Running archiver for numDays: %s', numDays);
  const delayDays = numDays; // will only impact emails more than numDays days
  const maxDate = new Date();
  maxDate.setDate(maxDate.getDate() - delayDays); // what was the date at that time?

  // Get all the threads labeled 'autoarchive'
  const labelName = "autoarchive-" + numDays + "d"
  const label = GmailApp.getUserLabelByName(labelName);
  if (label == null || label == undefined) {
    Logger.log('Not found label with name %s', labelName)
    return -1
  }
  Logger.log('Found label: %s', label.getName());
  
  // If we have more than 500 emails with the tag, they won't all archive
  const threads = label.getThreads(0, 500).filter(function(thread) {
    // Only include threads older than the limit we set in delayDays
    return (thread.getLastMessageDate() < maxDate && thread.isInInbox());
  });
  
  Logger.log('Found %s emails.', threads.length);
  const batch_size = 100;
  while (threads.length) {
    const this_batch_size = Math.min(threads.length, batch_size);
    const this_batch = threads.splice(0, this_batch_size);
    GmailApp.moveThreadsToArchive(this_batch);
  }
}