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

    gatekeeper();
	action_gatekeeper();

    $course_id = get_input('course_id');
	$group_id = get_input('group_id');

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

	if ($course && $course->getType() == 'course') {
	    $group = new Coursegroup($group_id);
		$removed = $group->delete();
		if ($removed) {
			$Dippler->add_system_message(_("Group removed."));
			// TODO send email
		} else {
			$Dippler->add_system_message(_("Group could not be removed."), 'error');
		}

		forward($course->getURL('groups'));
	}

    forward();
?>