# A nitcorn action dedicated to GitHub hook listening.
private class HookAction
	super Action

	# Listener that contains this action.
	#
	# The `listener` is used for its `event_factory` method
	# and the `apply_event`.
	var listener: HookListener

	# Parse hook request then call `listener.apply_event`.
	redef fun answer(request, uri) do
		# get event type
		var kind = request.header.get_or_null("X-GitHub-Event")
		if kind == null then return new HttpResponse(403)
		# parse event
		var event = listener.event_factory(kind, request.body)
		if event == null then return new HttpResponse(403)
		listener.apply_event(event)
		return new HttpResponse(200)
	end
end