function quiz_check_backup_mods($course, $user_data = false, $backup_unique_code, $instances = null)
{
//Deletes data from mdl_backup_ids (categories section)
delete_category_ids($backup_unique_code);
//Create date into mdl_backup_ids (categories section)
insert_category_ids($course, $backup_unique_code, $instances);
if (!empty($instances) && is_array($instances) && count($instances)) {
$info = array();
foreach ($instances as $id => $instance) {
$info += quiz_check_backup_mods_instances($instance, $backup_unique_code);
}
return $info;
}
//First the course data
$info[0][0] = get_string("modulenameplural", "quiz");
if ($ids = quiz_ids($course)) {
$info[0][1] = count($ids);
} else {
$info[0][1] = 0;
}
//Categories
$info[1][0] = get_string("categories", "quiz");
if ($ids = question_category_ids_by_backup($backup_unique_code)) {
$info[1][1] = count($ids);
} else {
$info[1][1] = 0;
}
//Questions
$info[2][0] = get_string("questions", "quiz");
if ($ids = question_ids_by_backup($backup_unique_code)) {
$info[2][1] = count($ids);
} else {
$info[2][1] = 0;
}
//Now, if requested, the user_data
if ($user_data) {
//Grades
$info[3][0] = get_string("grades");
if ($ids = quiz_grade_ids_by_course($course)) {
$info[3][1] = count($ids);
} else {
$info[3][1] = 0;
}
}
return $info;
}
function question_insert_site_file_names($course, $backup_unique_code)
{
global $QTYPES, $CFG;
$status = true;
$questionids = question_ids_by_backup($backup_unique_code);
$urls = array();
if ($questionids) {
foreach ($questionids as $question_bk) {
$question = get_record('question', 'id', $question_bk->old_id);
$QTYPES[$question->qtype]->get_question_options($question);
$urls = array_merge_recursive($urls, $QTYPES[$question->qtype]->find_file_links($question, SITEID));
}
}
ksort($urls);
foreach (array_keys($urls) as $url) {
if (file_exists($CFG->dataroot . '/' . SITEID . '/' . $url)) {
$inserturl = new object();
$inserturl->backup_code = $backup_unique_code;
$inserturl->file_type = 'site';
$url = clean_param($url, PARAM_PATH);
$inserturl->path = addslashes($url);
$status = $status && insert_record('backup_files', $inserturl);
} else {
notify(get_string('linkedfiledoesntexist', 'question', $url));
}
}
return $status;
}
function quiz_check_backup_mods($course, $user_data = false, $backup_unique_code, $instances = null)
{
//this function selects all the questions / categories to be backed up.
quiz_insert_category_and_question_ids($course, $backup_unique_code, $instances);
if ($course != SITEID) {
question_insert_site_file_names($course, $backup_unique_code);
}
if (!empty($instances) && is_array($instances) && count($instances)) {
$info = array();
foreach ($instances as $id => $instance) {
$info += quiz_check_backup_mods_instances($instance, $backup_unique_code);
}
return $info;
}
//First the course data
$info[0][0] = get_string("modulenameplural", "quiz");
if ($ids = quiz_ids($course)) {
$info[0][1] = count($ids);
} else {
$info[0][1] = 0;
}
//Categories
$info[1][0] = get_string("categories", "quiz");
if ($ids = question_category_ids_by_backup($backup_unique_code)) {
$info[1][1] = count($ids);
} else {
$info[1][1] = 0;
}
//Questions
$info[2][0] = get_string("questions", "quiz");
if ($ids = question_ids_by_backup($backup_unique_code)) {
$info[2][1] = count($ids);
} else {
$info[2][1] = 0;
}
//Now, if requested, the user_data
if ($user_data) {
//Grades
$info[3][0] = get_string("grades");
if ($ids = quiz_grade_ids_by_course($course)) {
$info[3][1] = count($ids);
} else {
$info[3][1] = 0;
}
}
return $info;
}