Import Calendar

script

let calendars = Calendar.getAllCalendars();
let calendarNames = calendars.map(x => x.title);

let p = Prompt.create();
p.title = "Import Calendar";
p.message = "Select calendar and date range to import events from the calendar as a Mardown lst";

p.addSelect("calendar", "Calendar", calendarNames, [], false);

p.addDatePicker("start","Start date", (1).years().ago(), {"mode":"date"});
p.addDatePicker("end","End date", Date.today(), {"mode":"date"});
p.addButton("Import");

if (p.show()) {
	let selected = p.fieldValues["calendar"];
	let ix = calendarNames.findIndex(x => x == selected);
	let cal = calendars[ix];
	let start = p.fieldValues["start"];
	let end = p.fieldValues["end"];
	if (cal) {
		if (!importCal(cal, start, end)) {
			context.fail();
		}
	}
}
else {
	context.cancel();
}

function importCal(cal, start, end) {
	let events = cal.events(start, end);
	if (events == "undefined" || events.length == 0) {
		alert('No events found to import');
		return false;
	}
	let t = []
	for(let event of events) {
		t.push("- *" + event.title + "*\n");
		if (event.isAllDay) {
			t.push("    - All Day: " + event.startDate + " - " + event.endDate + "\n");
		}
		else {
			t.push("    - Start: " + event.startDate + ", End: " + event.endDate + "\n");
		}
		if (event.notes.length > 0) {
			t.push("    - " + event.notes + "\n");
		}
		t.push("\n");
	}

	let d = Draft.create();
	d.content = t.join("");
	d.update();
	editor.load(d);
	return true;
}