Calendar-Charge-Code

Calendar-Charge-Code.js

function myFunction() {
  //---------The following variables are meant to be changed to meet your specfic needs---------
  const domainSuffix = 'networktocode.com';
  const daysOut = 90;
  const msgBody = "This invite has been declined automatically, as it was received from a networktocode.com email domain, without a subject line ending with a charge code.\n\n";

  // Regex searches for XXX-DD, (XXX-DD), and [XXX-DD] with optional whitespace at the end
  const regex = /([\(|\[])?\S+?\-\d+([\)|\]])?($|\s+)/;

  //---------The code below should only be required to be edited if you wish to change the functionality of the process---------

  var startDate = new Date();
  
  var endDate   = new Date(new Date().setDate(new Date().getDate() + daysOut));
  var calendar = CalendarApp.getDefaultCalendar();
  var seenInvites = [];

  var events = calendar.getEvents(startDate, endDate);
    
    for (var i = 0; i < events.length; i++){
      var originalSender = events[i].getOriginalCalendarId();
      var subjectLine = events[i].getTitle().toString();
      if (!originalSender.endsWith(domainSuffix))
        continue;
      else if (subjectLine.match(regex))
        continue;
      else if (seenInvites.includes(subjectLine))
        continue;
      else if (events[i].getMyStatus() == CalendarApp.GuestStatus.NO )
        continue;
      else if (events[i].isOwnedByMe())
        continue;
      seenInvites.push(subjectLine)

      Logger.log("Sending email to : '" + originalSender + "' to let them know this email has been deleted without proper subject: " + subjectLine);
      // Send mail
      GmailApp.sendEmail(
        originalSender,
        "⚡⚡ Call to Action ⚡⚡ - An invite for '" + subjectLine + "' has been automatically declined, please see email for details",
        msgBody,
      );
      if (events[i].isRecurringEvent()) {
        // events[i].getEventSeries().deleteEventSeries() // You can use this to delete this altogether.
        events[i].getEventSeries().setMyStatus(CalendarApp.GuestStatus.NO)
      }
      else {
        // events[i].deleteEvent() // You can use this to delete this altogether.
        events[i].setMyStatus(CalendarApp.GuestStatus.NO)
      }
    }
}