function backup_question_categories($bf, $preferences)
{
global $CFG;
$status = true;
//First, we get the used categories from backup_ids
$categories = question_category_ids_by_backup($preferences->backup_unique_code);
//If we've categories
if ($categories) {
//Write start tag
$status = fwrite($bf, start_tag("QUESTION_CATEGORIES", 2, true));
//Iterate over each category
foreach ($categories as $cat) {
//Start category
$status = fwrite($bf, start_tag("QUESTION_CATEGORY", 3, true));
//Get category data from question_categories
$category = get_record("question_categories", "id", $cat->old_id);
//Print category contents
fwrite($bf, full_tag("ID", 4, false, $category->id));
fwrite($bf, full_tag("NAME", 4, false, $category->name));
fwrite($bf, full_tag("INFO", 4, false, $category->info));
fwrite($bf, full_tag("PUBLISH", 4, false, $category->publish));
fwrite($bf, full_tag("STAMP", 4, false, $category->stamp));
fwrite($bf, full_tag("PARENT", 4, false, $category->parent));
fwrite($bf, full_tag("SORTORDER", 4, false, $category->sortorder));
//Now, backup their questions
$status = backup_question($bf, $preferences, $category->id);
//End category
$status = fwrite($bf, end_tag("QUESTION_CATEGORY", 3, true));
}
//Write end tag
$status = fwrite($bf, end_tag("QUESTION_CATEGORIES", 2, true));
}
return $status;
}
function quiz_check_backup_mods($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 $info;
}
function quiz_check_backup_mods($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;
}
