AppleScript which reloads a COVID-19 Antibody Test appointment opportunity page (Colorado, USA) and displays a notification when time slots are available or it otherwise needs attention (e.g. because an item has become unavailable)

Colorado Antibody Test Window Watcher.scpt

(* Watch this page for change: https://www.nationaljewish.org/patients-visitors/patient-info/important-updates/coronavirus-information-and-resources/patient-care/covid-19-testing-antibody-diagnostic *)
tell application "Safari"
	repeat
		repeat with theWindow in every window
			repeat with theTab in every tab of theWindow
				if name of theTab contains "COVID-19 Antibody" then
					set appointmentWindow to theWindow
					set checkoutTab to theTab
				end if
			end repeat
		end repeat
		tell appointmentTab
			set URL to URL
			delay 10
			if text of appointmentTab does not contain "No More Appointments" then
				display notification "National Jewish Health Appointment Status Changed!" sound name "Sosumi"
				set current tab of appointmentWindow to appointmentTab
				set index of appointmentWindow to 1
			end if
		end tell
		delay 90
	end repeat
end tell