// went really wrong in backup, throw error. Note that backup::MODE_IMPORT
// backups don't store resulting files ever
$tempdestination = $CFG->tempdir . '/backup/' . $backupid;
if (!file_exists($tempdestination) || !is_dir($tempdestination)) {
print_error('unknownbackupexporterror');
// shouldn't happen ever
}
// Prepare the restore controller. We don't need a UI here as we will just use what
// ever the restore has (the user has just chosen).
$rc = new restore_controller($backupid, $course->id, backup::INTERACTIVE_YES, backup::MODE_IMPORT, $USER->id, $restoretarget);
// Start a progress section for the restore, which will consist of 2 steps
// (the precheck and then the actual restore).
$progress->start_progress('Restore process', 2);
$rc->set_progress($progress);
// Set logger for restore.
$rc->add_logger($logger);
// Convert the backup if required.... it should NEVER happed
if ($rc->get_status() == backup::STATUS_REQUIRE_CONV) {
$rc->convert();
}
// Mark the UI finished.
$rc->finish_ui();
// Execute prechecks
$warnings = false;
if (!$rc->execute_precheck()) {
$precheckresults = $rc->get_precheck_results();
if (is_array($precheckresults)) {
if (!empty($precheckresults['errors'])) {
// If errors are found, terminate the import.
fulldelete($tempdestination);
echo $OUTPUT->header();
