<?php
    require_once(dirname(dirname(__FILE__))."/engine/engine.php");

    gatekeeper();
	action_gatekeeper();

    $course_id = (int) get_input('course_id');
	$user_id = (int) get_input('user_id');

	$course = new Course($course_id);
	$course->load();

	if ($course && $course->getType() == 'course' && $course->canEdit()) {
		if (!$user_id) {
			$Dippler->add_system_message(_("No all parameters provided."), 'error');
			forward($course->getSettingsURL('facilitators'));
		}
		if ($course->isFacilitator($user_id)) {
			$Dippler->add_system_message(_("Already a facilitator."), 'error');
			forward($course->getSettingsURL('facilitators'));
		}

		$facilitator = new Facilitator();
		$facilitator->course = $course_id;
		$facilitator->status = 5;
		$facilitator->user_id = $user_id;

		$added = $facilitator->add();
		if ($added) {
		    $Dippler->add_system_message(_("Facilitator added."));
		} else {
			$Dippler->add_system_message(_("Facilitator could not be added."), "error");
		}
		forward($course->getSettingsURL('facilitators'));
	}

    forward();
?>