Gmail-Inbox-Auto-Purge-Script/Code.gs at main · Jorand/Gmail-Inbox-Auto-Purge-Script · GitHub

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/*

  Use this config to custom your labels and pruge schedule
  Yon can add more rules and change the search for label, category.
  Example:
  var config = [
    {
      search: "category:promotions",
      purge_after: "10" // day
    },
    {
      search: "label:Useless",
      purge_after: "10"
    }
  ];

*/
var config = [
  {
    search: "label:deleted-after-10-days",
    purge_after: "10" // day
  },
  {
    search: "label:deleted-after-30-days",
    purge_after: "30" // day
  },
  {
    search: "label:deleted-after-90-days",
    purge_after: "90" // day
  }
];


/*

  Edited by @Jorand for multi rules

  For details, refer http://labnol.org/?p=27605


  T U T O R I A L
  - - - - - - - -

  Step 1. Update the values of fields GMAIL_LABEL and PURGE_AFTER above.

  Step 2. Go to Run -> Initialize and authorize the script.

  Step 3. Go to Run -> Install to install the script.

  You can now exit this window and any email messages in Gmail folder will automatically
  get purged after 'n' days. The script will run by itself everyday at 01:00 hours.

  Also, you may go to Run -> Uninstall to stop the purging script anytime.


 example config :

 var config = [
  {
    search: "category:promotions", // label, category
    purge_after: "10" // day
  },
  {
    search: "category:forums",
    purge_after: "90"
  },
  {
    search: "label:Useless",
    purge_after: "10"
  }
];


*/


function Intialize() {
  return;
}

function Install() {

  ScriptApp.newTrigger("purgeGmail")
           .timeBased()
           .at(new Date((new Date()).getTime() + 1000*60*2))
           .create();

  ScriptApp.newTrigger("purgeGmail")
           .timeBased().everyDays(1).create();

}

function Uninstall() {

  var triggers = ScriptApp.getScriptTriggers();
  for (var i=0; i<triggers.length; i++) {
    ScriptApp.deleteTrigger(triggers[i]);
  }

}

function purgeGmail() {

  for (var ii=0; ii<config.length; ii++) {

    var rule = config[ii];

    var age = new Date();
    age.setDate(age.getDate() - rule.purge_after);

    var purge  = Utilities.formatDate(age, Session.getScriptTimeZone(), "yyyy-MM-dd");
    var search = rule.search + " before:" + purge;

    try {

      var threads = GmailApp.search(search, 0, 100);

      if (threads.length == 100) {
        ScriptApp.newTrigger("purgeGmail")
        .timeBased()
        .at(new Date((new Date()).getTime() + 1000*60*10))
        .create();
      }

      for (var i=0; i<threads.length; i++) {
        var messages = GmailApp.getMessagesForThread(threads[i]);
        for (var j=0; j<messages.length; j++) {
          var email = messages[j];
          if (email.getDate() < age) {
            email.moveToTrash();
          }
        }
      }

    } catch (e) {}
  }

}