public final function execute()
{
if (!$this->execute_condition()) {
// Check any condition to execute this
return;
}
$fullpath = $this->task->get_taskbasepath();
// We MUST have one fullpath here, else, error
if (empty($fullpath)) {
throw new restore_step_exception('restore_structure_step_undefined_fullpath');
}
// Append the filename to the fullpath
$fullpath = rtrim($fullpath, '/') . '/' . $this->filename;
// And it MUST exist
if (!file_exists($fullpath)) {
// Shouldn't happen ever, but...
throw new restore_step_exception('missing_moodle_backup_xml_file', $fullpath);
}
// Get restore_path elements array adapting and preparing it for processing
$structure = $this->define_structure();
if (!is_array($structure)) {
throw new restore_step_exception('restore_step_structure_not_array', $this->get_name());
}
$this->prepare_pathelements($structure);
// Create parser and processor
$xmlparser = new progressive_parser();
$xmlparser->set_file($fullpath);
$xmlprocessor = new restore_structure_parser_processor($this->task->get_courseid(), $this);
$this->contentprocessor = $xmlprocessor;
// Save the reference to the contentprocessor
// as far as we are going to need it out
// from parser (blame serialized data!)
$xmlparser->set_processor($xmlprocessor);
// Add pathelements to processor
foreach ($this->pathelements as $element) {
$xmlprocessor->add_path($element->get_path(), $element->is_grouped());
}
// Set up progress tracking.
$progress = $this->get_task()->get_progress();
$progress->start_progress($this->get_name(), \core\progress\base::INDETERMINATE);
$xmlparser->set_progress($progress);
// And process it, dispatch to target methods in step will start automatically
$xmlparser->process();
// Have finished, launch the after_execute method of all the processing objects
$this->launch_after_execute_methods();
$progress->end_progress();
}
/**
* Load the needed users.xml file to backup_ids table for future reference
*
* @param string $restoreid Restore id
* @param string $usersfile File path
* @param \core\progress\base $progress Progress tracker
*/
public static function load_users_to_tempids($restoreid, $usersfile, \core\progress\base $progress = null)
{
if (!file_exists($usersfile)) {
// Shouldn't happen ever, but...
throw new backup_helper_exception('missing_users_xml_file', $usersfile);
}
// Set up progress tracking (indeterminate).
if (!$progress) {
$progress = new \core\progress\none();
}
$progress->start_progress('Loading users into temporary table');
// Let's parse, custom processor will do its work, sending info to DB
$xmlparser = new progressive_parser();
$xmlparser->set_file($usersfile);
$xmlprocessor = new restore_users_parser_processor($restoreid);
$xmlparser->set_processor($xmlprocessor);
$xmlparser->set_progress($progress);
$xmlparser->process();
// Finish progress.
$progress->end_progress();
}
