/**
* Converts from current format to backup::MOODLE format
*/
public function convert()
{
global $CFG;
require_once $CFG->dirroot . '/backup/util/helper/convert_helper.class.php';
// Basic/initial prevention against time/memory limits
set_time_limit(1 * 60 * 60);
// 1 hour for 1 course initially granted
raise_memory_limit(MEMORY_EXTRA);
if ($this->status != backup::STATUS_REQUIRE_CONV) {
throw new restore_controller_exception('cannot_convert_not_required_status');
}
$this->log('backup format conversion required', backup::LOG_INFO);
// Run conversion to the proper format
if (!convert_helper::to_moodle2_format($this->get_tempdir(), $this->format, $this->get_logger())) {
// todo - unable to find the conversion path, what to do now?
// throwing the exception as a temporary solution
throw new restore_controller_exception('unable_to_find_conversion_path');
}
$this->log('backup format conversion successful', backup::LOG_INFO);
// If no exceptions were thrown, then we are in the proper format
$this->format = backup::FORMAT_MOODLE;
// Load plan, apply security and set status based on interactivity
$this->load_plan();
// Perform all initial security checks and apply (2nd param) them to settings automatically
restore_check::check_security($this, true);
if ($this->interactive == backup::INTERACTIVE_YES) {
$this->set_status(backup::STATUS_SETTING_UI);
} else {
$this->set_status(backup::STATUS_NEED_PRECHECK);
}
}
/**
* convert from current format to backup::MOODLE format
*/
public function convert()
{
if ($this->status != backup::STATUS_REQUIRE_CONV) {
throw new restore_controller_exception('cannot_convert_not_required_status');
}
if ($this->format == backup::FORMAT_UNKNOWN) {
throw new restore_controller_exception('cannot_convert_from_unknown_format');
}
if ($this->format == backup::FORMAT_MOODLE1) {
// TODO: Implement moodle1 => moodle2 conversion
throw new restore_controller_exception('cannot_convert_yet_from_moodle1_format');
}
// Once conversions have finished, we check again the format
$newformat = backup_general_helper::detect_backup_format($tempdir);
// If format is moodle2, load plan, apply security and set status based on interactivity
if ($newformat === backup::FORMAT_MOODLE) {
// Load plan
$this->load_plan();
// Perform all initial security checks and apply (2nd param) them to settings automatically
restore_check::check_security($this, true);
if ($this->interactive == backup::INTERACTIVE_YES) {
$this->set_status(backup::STATUS_SETTING_UI);
} else {
$this->set_status(backup::STATUS_NEED_PRECHECK);
}
} else {
throw new restore_controller_exception('conversion_ended_with_wrong_format', $newformat);
}
}
