private function create_node_course_modules_mod_forum($instance)
{
$sheet_mod_forum = cc112moodle::loadsheet(SHEET_COURSE_SECTIONS_SECTION_MODS_MOD_FORUM);
$topic_data = $this->get_topic_data($instance);
$result = '';
if (!empty($topic_data)) {
$find_tags = array('[#mod_instance#]', '[#mod_forum_title#]', '[#mod_forum_intro#]', '[#date_now#]');
$replace_values = array($instance['instance'], self::safexml($topic_data['title']), self::safexml($topic_data['description']), time());
$result = str_replace($find_tags, $replace_values, $sheet_mod_forum);
}
return $result;
}
private function create_node_course_modules_mod_basiclti($instance)
{
$sheet_mod_basiclti = cc112moodle::loadsheet(SHEET_COURSE_SECTIONS_SECTION_MODS_MOD_BASICLTI);
$topic_data = $this->get_basiclti_data($instance);
$result = '';
if (!empty($topic_data)) {
$find_tags = array('[#mod_instance#]', '[#mod_basiclti_name#]', '[#mod_basiclti_intro#]', '[#mod_basiclti_timec#]', '[#mod_basiclti_timem#]', '[#mod_basiclti_toolurl#]', '[#mod_basiclti_orgid#]', '[#mod_basiclti_orgurl#]', '[#mod_basiclti_orgdesc#]');
$replace_values = array($instance['instance'], $topic_data['title'], $topic_data['description'], time(), time(), $topic_data['launchurl'], $topic_data['orgid'], $topic_data['orgurl'], $topic_data['orgdesc']);
$result = str_replace($find_tags, $replace_values, $sheet_mod_basiclti);
}
return $result;
}
protected function execute()
{
global $CFG;
$manifest = cc112moodle::get_manifest($this->get_tempdir_path());
if (empty($manifest)) {
throw new imscc11_convert_exception('No Manifest detected!');
}
$this->log('validating manifest', backup::LOG_DEBUG, null, 1);
$validator = new manifest_validator($CFG->dirroot . '/backup/cc/schemas11');
if (!$validator->validate($manifest)) {
$this->log('validation error(s): ' . PHP_EOL . error_messages::instance(), backup::LOG_DEBUG, null, 2);
throw new imscc11_convert_exception(error_messages::instance()->to_string(true));
}
$manifestdir = dirname($manifest);
$cc112moodle = new cc112moodle($manifest);
if ($cc112moodle->is_auth()) {
throw new imscc11_convert_exception('protected_cc_not_supported');
}
$status = $cc112moodle->generate_moodle_xml();
//Final cleanup
$xml_error = new libxml_errors_mgr(true);
$mdoc = new DOMDocument();
$mdoc->preserveWhiteSpace = false;
$mdoc->formatOutput = true;
$mdoc->validateOnParse = false;
$mdoc->strictErrorChecking = false;
if ($mdoc->load($manifestdir . '/moodle.xml', LIBXML_NONET)) {
$mdoc->save($this->get_workdir_path() . '/moodle.xml', LIBXML_NOEMPTYTAG);
} else {
$xml_error->collect();
$this->log('validation error(s): ' . PHP_EOL . error_messages::instance(), backup::LOG_DEBUG, null, 2);
throw new imscc11_convert_exception(error_messages::instance()->to_string(true));
}
//Move the files to the workdir
rename($manifestdir . '/course_files', $this->get_workdir_path() . '/course_files');
}
private function create_node_course_modules_mod_resource($sheet_mod_resource, $instance)
{
global $CFG;
require_once $CFG->libdir . '/validateurlsyntax.php';
$link = '';
$mod_alltext = '';
$mod_summary = '';
$xpath = cc112moodle::newx_path(cc112moodle::$manifest, cc112moodle::$namespaces);
if ($instance['common_cartriedge_type'] == cc112moodle::CC_TYPE_WEBCONTENT || $instance['common_cartriedge_type'] == cc112moodle::CC_TYPE_ASSOCIATED_CONTENT) {
$resource = $xpath->query('/imscc:manifest/imscc:resources/imscc:resource[@identifier="' . $instance['resource_indentifier'] . '"]/@href');
if ($resource->length > 0) {
$resource = !empty($resource->item(0)->nodeValue) ? $resource->item(0)->nodeValue : '';
} else {
$resource = '';
}
if (empty($resource)) {
unset($resource);
$resource = $xpath->query('/imscc:manifest/imscc:resources/imscc:resource[@identifier="' . $instance['resource_indentifier'] . '"]/imscc:file/@href');
if ($resource->length > 0) {
$resource = !empty($resource->item(0)->nodeValue) ? $resource->item(0)->nodeValue : '';
} else {
$resource = '';
}
}
if (!empty($resource)) {
$link = $resource;
}
}
if ($instance['common_cartriedge_type'] == cc112moodle::CC_TYPE_WEBLINK) {
$external_resource = $xpath->query('/imscc:manifest/imscc:resources/imscc:resource[@identifier="' . $instance['resource_indentifier'] . '"]/imscc:file/@href')->item(0)->nodeValue;
if ($external_resource) {
$resource = $this->load_xml_resource(cc112moodle::$path_to_manifest_folder . DIRECTORY_SEPARATOR . $external_resource);
if (!empty($resource)) {
$xpath = cc112moodle::newx_path($resource, cc112moodle::$resourcens);
$resource = $xpath->query('/wl:webLink/wl:url/@href');
if ($resource->length > 0) {
$rawlink = $resource->item(0)->nodeValue;
if (!validateUrlSyntax($rawlink, 's+')) {
$changed = rawurldecode($rawlink);
if (validateUrlSyntax($changed, 's+')) {
$link = $changed;
} else {
$link = 'http://invalidurldetected/';
}
} else {
$link = $rawlink;
}
}
}
}
}
$find_tags = array('[#mod_instance#]', '[#mod_name#]', '[#mod_type#]', '[#mod_reference#]', '[#mod_summary#]', '[#mod_alltext#]', '[#mod_options#]', '[#date_now#]');
$mod_type = 'file';
$mod_options = 'objectframe';
$mod_reference = $link;
//detected if we are dealing with html file
if (!empty($link) && $instance['common_cartriedge_type'] == cc112moodle::CC_TYPE_WEBCONTENT) {
$ext = strtolower(pathinfo($link, PATHINFO_EXTENSION));
if (in_array($ext, array('html', 'htm', 'xhtml'))) {
$mod_type = 'html';
//extract the content of the file
$rootpath = realpath(cc112moodle::$path_to_manifest_folder);
$htmlpath = realpath($rootpath . DIRECTORY_SEPARATOR . $link);
$dirpath = dirname($htmlpath);
if (file_exists($htmlpath)) {
$fcontent = file_get_contents($htmlpath);
$mod_alltext = clean_param($this->prepare_content($fcontent), PARAM_CLEANHTML);
$mod_reference = '';
$mod_options = '';
/**
* try to handle embedded resources
* images, linked static resources, applets, videos
*/
$doc = new DOMDocument();
$cdir = getcwd();
chdir($dirpath);
try {
$doc->loadHTML($mod_alltext);
$xpath = new DOMXPath($doc);
$attributes = array('href', 'src', 'background', 'archive', 'code');
$qtemplate = "//*[@##][not(contains(@##,'://'))]/@##";
$query = '';
foreach ($attributes as $attrname) {
if (!empty($query)) {
$query .= " | ";
}
$query .= str_replace('##', $attrname, $qtemplate);
}
$list = $xpath->query($query);
$searches = array();
$replaces = array();
foreach ($list as $resrc) {
$rpath = $resrc->nodeValue;
$rtp = realpath($rpath);
if ($rtp !== false && is_file($rtp)) {
//file is there - we are in business
$strip = str_replace("\\", "/", str_ireplace($rootpath, '', $rtp));
$encoded_file = '$@FILEPHP@$' . str_replace('/', '$@SLASH@$', $strip);
$searches[] = $resrc->nodeValue;
$replaces[] = $encoded_file;
}
}
$mod_alltext = str_replace($searches, $replaces, $mod_alltext);
} catch (Exception $e) {
//silence the complaints
}
chdir($cdir);
$mod_alltext = self::safexml($mod_alltext);
}
}
}
$replace_values = array($instance['instance'], self::safexml($instance['title']), $mod_type, $mod_reference, '', $mod_alltext, $mod_options, time());
return str_replace($find_tags, $replace_values, $sheet_mod_resource);
}
private function get_question_type($identifier, $assessment)
{
$xpath = cc112moodle::newx_path($assessment, cc112moodle::getquizns());
$metadata = $xpath->query('//xmlns:item[@ident="' . $identifier . '"]/xmlns:itemmetadata/xmlns:qtimetadata/xmlns:qtimetadatafield');
foreach ($metadata as $field) {
$field_label = $xpath->query('xmlns:fieldlabel', $field);
$field_label = !empty($field_label->item(0)->nodeValue) ? $field_label->item(0)->nodeValue : '';
if ($field_label == 'cc_profile') {
$field_entry = $xpath->query('xmlns:fieldentry', $field);
$type = !empty($field_entry->item(0)->nodeValue) ? $field_entry->item(0)->nodeValue : '';
}
}
$return_type = array();
$return_type['moodle'] = '';
$return_type['cc'] = $type;
if ($type == CC_QUIZ_MULTIPLE_CHOICE) {
$return_type['moodle'] = MOODLE_QUIZ_MULTIPLE_CHOICE;
}
if ($type == CC_QUIZ_MULTIPLE_RESPONSE) {
$return_type['moodle'] = MOODLE_QUIZ_MULTIPLE_CHOICE;
}
if ($type == CC_QUIZ_TRUE_FALSE) {
$return_type['moodle'] = MOODLE_QUIZ_TRUE_FALSE;
}
if ($type == CC_QUIZ_ESSAY) {
$return_type['moodle'] = MOODLE_QUIZ_ESSAY;
}
if ($type == CC_QUIZ_FIB) {
$return_type['moodle'] = MOODLE_QUIZ_SHORTANSWER;
}
if ($type == CC_QUIZ_PATTERN_MACHT) {
$return_type['moodle'] = MOODLE_QUIZ_SHORTANSWER;
}
return $return_type;
}
