<?php
	// This script is part of the Sloodle project
	// Created for Avatar Classroom, with the intention of eventually being ported back to regular Sloodle.
	// Some assumptions that are true for Avatar Classroom won't be true for arbitrary Moodle sites.
	// I'll try to comment these REGULAR SLOODLE TODO.

	/**
	* @package sloodle
	* @copyright Copyright (c) 2011 various contributors (see below)
	* @license http://www.gnu.org/licenses/gpl-3.0.html GNU GPL v3
	*
	* @contributor Edmund Edgar
	*
	*/

	/** Grab the Sloodle/Moodle configuration. */
	require_once('../../../sl_config.php');
	/** Include the Sloodle PHP API. */
	/** Sloodle core library functionality */
	require_once(SLOODLE_DIRROOT.'/lib.php');
	/** General Sloodle functions. */
	require_once(SLOODLE_LIBROOT.'/general.php');
	/** Sloodle course data. */
	require_once(SLOODLE_LIBROOT.'/course.php');
        require_once(SLOODLE_LIBROOT.'/io.php');


	require_once(SLOODLE_LIBROOT.'/object_configs.php');
	require_once(SLOODLE_LIBROOT.'/active_object.php');

	require_once '../../../lib/json/json_encoding.inc.php';

        require_once('scoreboard_active_object.inc.php');

        $object_uuid = required_param('sloodleobjuuid', PARAM_RAW);
        $sao = SloodleScoreboardActiveObject::ForUUID( $object_uuid );

        $is_logged_in = isset($USER) && ($USER->id > 0);
        $is_admin = $is_logged_in && has_capability('moodle/course:manageactivities', $sao->context);

	if (!$is_admin) {
		header('HTTP/1.0 401 Unauthorized');
		exit;
	}

	$sao->make_new_round();	

	$updated_scores = $sao->get_student_scores(true);

	$result = 'started';

	$content = array(
		'result' => $result,
		'error' => $error,
		'updated_scores' => $updated_scores
	);

	print json_encode($content);
	exit;

function error_output($error) {
        $content = array(
                'result' => 'failed',
                'error' => $error,
        );
        print json_encode($content);
        exit;
}
?>