Automatically changing Event Color in google calendar; more than one event triggers same execution

[Julius Emmanuel Davis]

I have no idea what I'm doing, truly. I took a coding class like five years ago so feel free to openly ream/flame roast me below for being bad at this. Ok, so I found a code that lets me do the first part of the above statement;

function ColorEvents() {

  var today = new Date();
  var nextweek = new Date();
  nextweek.setDate(nextweek.getDate() + 7);
  Logger.log(today + " " + nextweek);

  var calendars = CalendarApp.getAllOwnedCalendars();
  Logger.log("found number of calendars: " + calendars.length);

  for (var i=0; i<calendars.length; i++) {
    var calendar = calendars[i];
    var events = calendar.getEvents(today, nextweek);
    for (var j=0; j<events.length; j++) {
      var e = events[j];
      var title = e.getTitle();
      if (title[0] == "[") {
        e.setColor(CalendarApp.EventColor.CYAN);
      }
      if (title[0] == "!") {
        e.setColor(CalendarApp.EventColor.RED);
      }
      if (title[0] == '#') {
        e.setColor(CalendarApp.EventColor.GREEN);
      }
    }
  }
}

- https://rickpastoor.com/2019/05/30/google-calendar-color-coder.html

it works wonderfully and I changed the symbols to actually be the title of events in my life. Everything worked until I tried to add two events to the same color. I tried to look up the difference between logical AND and OR statements and ive been messing around for about an hour but everything just ends up being yellow. 
Here's what I have... (p.s. big thanks to whoever can help me. script is mad interesting and I may have just found another quarantine hobby)

function ColorEvents() {

  var today = new Date();

  var nextweek = new Date();

  nextweek.setDate(nextweek.getDate() + 7);

  Logger.log(today + " " + nextweek);

  var calendars = CalendarApp.getAllOwnedCalendars();

  Logger.log("found number of calendars: " + calendars.length);

  for (var i=0; i<calendars.length; i++) {

    var calendar = calendars[i];

    var events = calendar.getEvents(today, nextweek);

    for (var j=0; j<events.length; j++) {

      var e = events[j];

      var title = e.getTitle();

      if (title[0-5] == "EDP") {

        e.setColor(CalendarApp.EventColor.PALE_RED);

      }

      

      if (title[0-1] == "Ro" ) {

        e.setColor(CalendarApp.EventColor.PALE_BLUE);

      }

      

      if (title[0-4] == "Sbux") {

        e.setColor(CalendarApp.EventColor.GREEN);

      }

      if (title[0-4] == "Stud") {

        e.setColor(CalendarApp.EventColor.YELLOW)

      }

              

      if (title[0-4] == "Keys") {

        e.setColor(CalendarApp.EventColor.YELLOW)

      }

    }

  }

}

 

 

[Cor van Dooren]

Your are checking a position in the array title (title[0-1]) which in fact is position -1.

Or in case title[0-4] it is -4.

 

You should get de substring from title[0] to test against.

Syntax:  string.substr(start, length)

Example:

var str = "Hello world!";
var res = str.substr(1, 4);

// res is now ello

 

For better explaination : https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/substring

 

Best regards

Cor van Dooren

The Netherlands

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