/**
* 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\null();
}
$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();
}
/**
* Analyse responses for an array of questions or sub questions.
*
* @param object[] $questions as returned by self::load_and_initialise_questions_for_calculations.
* @param qubaid_condition $qubaids the question usages whose responses to analyse.
* @param string $whichtries which tries to analyse \question_attempt::FIRST_TRY, LAST_TRY or ALL_TRIES.
* @param null|\core\progress\base $progress Used to indicate progress of task.
* @param int[] $done array keys are ids of questions that have been analysed before calling method.
* @return array array keys are ids of questions that were analysed after this method call.
*/
protected function analyse_responses_for_questions($questions, $qubaids, $whichtries, $progress = null, $done = array())
{
$countquestions = count($questions);
if (!$countquestions) {
return array();
}
if ($progress === null) {
$progress = new \core\progress\null();
}
$progress->start_progress('', $countquestions, $countquestions);
foreach ($questions as $question) {
$progress->increment_progress();
if (question_bank::get_qtype($question->qtype, false)->can_analyse_responses() && !isset($done[$question->id])) {
$responesstats = new \core_question\statistics\responses\analyser($question, $whichtries);
if ($responesstats->get_last_analysed_time($qubaids, $whichtries) === false) {
$responesstats->calculate($qubaids, $whichtries);
}
}
$done[$question->id] = 1;
}
$progress->end_progress();
return $done;
}
