protected function execute()
{
global $CFG;
$manifest = cc2moodle::get_manifest($this->get_tempdir_path());
if (empty($manifest)) {
throw new imscc1_convert_exception('No Manifest detected!');
}
$this->log('validating manifest', backup::LOG_DEBUG, null, 1);
$validator = new manifest10_validator($CFG->dirroot . '/backup/cc/schemas');
if (!$validator->validate($manifest)) {
$this->log('validation error(s): ' . PHP_EOL . error_messages::instance(), backup::LOG_DEBUG, null, 2);
throw new imscc1_convert_exception(error_messages::instance()->to_string(true));
}
$manifestdir = dirname($manifest);
$cc2moodle = new cc2moodle($manifest);
if ($cc2moodle->is_auth()) {
throw new imscc1_convert_exception('Protected cartridge content - Skipping import!');
}
$status = $cc2moodle->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();
$this->log('validation error(s): ' . PHP_EOL . error_messages::instance(), backup::LOG_DEBUG, null, 2);
throw new imscc1_convert_exception(error_messages::instance()->to_string(true));
}
//Move the files to the workdir
rename($manifestdir . '/course_files', $this->get_workdir_path() . '/course_files');
}
private function collect_errors($filename = '')
{
$errors = libxml_get_errors();
static $error_types = array(LIBXML_ERR_ERROR => 'Error', LIBXML_ERR_FATAL => 'Fatal Error', LIBXML_ERR_WARNING => 'Warning');
$result = array();
foreach ($errors as $error) {
$add = '';
if (!empty($filename)) {
$add = " in {$filename}";
} elseif (!empty($error->file)) {
$add = " in {$error->file}";
}
$line = '';
if (!empty($error->line)) {
$line = " at line {$error->line}";
}
$err = "{$error_types[$error->level]}{$add}: {$error->message}{$line}";
error_messages::instance()->add($err);
}
libxml_clear_errors();
return $result;
}
