function backup_gradebook_info($bf, $preferences)
{
global $CFG;
require_once $CFG->libdir . '/gradelib.php';
//first make sure items are properly sorted and everything is ok
grade_category::fetch_course_tree($preferences->backup_course, true);
grade_regrade_final_grades($preferences->backup_course);
$status = true;
// see if ALL grade items of type mod of this course are being backed up
// if not, we do not need to backup grade category and associated grade items/grades
$backupall = true;
if ($grade_items = get_records_sql("SELECT *\n FROM {$CFG->prefix}grade_items\n WHERE courseid = {$preferences->backup_course}\n AND itemtype = 'mod'")) {
foreach ($grade_items as $grade_item) {
// get module information
// if some activities not selected, we do not backup categories at all
if (!backup_mod_selected($preferences, $grade_item->itemmodule, $grade_item->iteminstance)) {
$backupall = false;
break;
}
}
unset($grade_items);
//free memory
}
//Gradebook header
fwrite($bf, start_tag("GRADEBOOK", 2, true));
$status = backup_gradebook_outcomes_info($bf, $preferences);
$status = backup_gradebook_grade_letters_info($bf, $preferences);
// Now backup grade_item (inside grade_category)
if ($backupall) {
$status = backup_gradebook_category_info($bf, $preferences);
}
$status = backup_gradebook_item_info($bf, $preferences, $backupall);
// backup gradebook histories (only if grade history is enabled and selected)
if (empty($CFG->disablegradehistory) && $preferences->backup_gradebook_history) {
$status = backup_gradebook_outcomes_history($bf, $preferences);
$status = backup_gradebook_categories_history_info($bf, $preferences);
$status = backup_gradebook_items_history_info($bf, $preferences);
$status = backup_gradebook_grades_history_info($bf, $preferences);
}
//Gradebook footer
$status = fwrite($bf, end_tag("GRADEBOOK", 2, true));
return $status;
}
function backup_gradebook_info($bf, $preferences)
{
global $CFG;
$status = true;
// see if ALL grade items of type mod of this course are being backed up
// if not, we do not need to backup grade category and associated grade items/grades
$backupall = true;
if ($grade_items = get_records_sql("SELECT * FROM {$CFG->prefix}grade_items\n WHERE courseid = {$preferences->backup_course}\n AND itemtype != 'course'\n ORDER BY sortorder ASC")) {
foreach ($grade_items as $grade_item) {
// do not restore if this grade_item is a mod, and
if ($grade_item->itemtype == 'mod') {
// get module information
// if no user data selected, we skip this grade_item
if (!backup_userdata_selected($preferences, $grade_item->itemmodule, $grade_item->iteminstance)) {
//print_object($grade_item);
$backupall = false;
break;
}
}
}
}
//Gradebook header
fwrite($bf, start_tag("GRADEBOOK", 2, true));
// Now backup grade_item (inside grade_category)
if ($backupall) {
$status = backup_gradebook_category_info($bf, $preferences);
}
$status = backup_gradebook_item_info($bf, $preferences, $backupall);
$status = backup_gradebook_grade_letters_info($bf, $preferences);
$status = backup_gradebook_outcomes_info($bf, $preferences);
$status = backup_gradebook_outcomes_courses_info($bf, $preferences);
// backup gradebook histories
if ($preferences->backup_gradebook_history) {
$status = backup_gradebook_categories_history_info($bf, $preferences);
$status = backup_gradebook_grades_history_info($bf, $preferences);
$status = backup_gradebook_items_history_info($bf, $preferences);
$status = backup_gradebook_outcomes_history($bf, $preferences);
}
//Gradebook footer
$status = fwrite($bf, end_tag("GRADEBOOK", 2, true));
return $status;
}