gmail autoarchive

gmailAutoachive.js

function gmailAutoarchive() {

  const rules = [
    {label: "autoarchive", olderThanDays: 3},
    {label: "autoarchive-delayed", olderThanDays: 7},
    {label: "autoarchive-read", olderThanDays: 1, onlyRead: true},
    {olderThanDays: 14, onlyRead: true}
  ]

  const batch_size = 100;

  for (let rule of rules) {
    const { label, olderThanDays, onlyRead } = rule;
  
    Logger.log(`Archiving ${onlyRead ? 'read' : 'all'} threads in ${label} older than ${olderThanDays} Days`);

    let searchString = `in:inbox older_than:${olderThanDays}d`

    if (label) {
      searchString += ` label:${label}`
    }

    if (onlyRead) {
      searchString += " is:read"
    }

    const threads = GmailApp.search(searchString);

    Logger.log(`Identified ${threads.length} threads for archival in ${label}`);

    while (threads.length) {
      const currentBatch = threads.splice(0, batch_size);
      Logger.log(`Archiving ${currentBatch.length} threads`)
      GmailApp.moveThreadsToArchive(currentBatch);
    }
  }
}