function backup_gradebook_info($bf, $preferences)
{
global $CFG;
$status = true;
//Gradebook header
fwrite($bf, start_tag("GRADEBOOK", 2, true));
//Output grade_preferences
$grade_preferences = get_records("grade_preferences", "courseid", $preferences->backup_course);
if ($grade_preferences) {
//Begin grade_preferences tag
fwrite($bf, start_tag("GRADE_PREFERENCES", 3, true));
//Iterate for each preference
foreach ($grade_preferences as $grade_preference) {
//Begin grade_preference
fwrite($bf, start_tag("GRADE_PREFERENCE", 4, true));
//Output individual fields
fwrite($bf, full_tag("ID", 5, false, $grade_preference->id));
fwrite($bf, full_tag("PREFERENCE", 5, false, $grade_preference->preference));
fwrite($bf, full_tag("VALUE", 5, false, $grade_preference->value));
//End grade_preference
fwrite($bf, end_tag("GRADE_PREFERENCE", 4, true));
}
//End grade_preferences tag
$status = fwrite($bf, end_tag("GRADE_PREFERENCES", 3, true));
}
//Output grade_letter
$grade_letters = get_records("grade_letter", "courseid", $preferences->backup_course);
if ($grade_letters) {
//Begin grade_letters tag
fwrite($bf, start_tag("GRADE_LETTERS", 3, true));
//Iterate for each letter
foreach ($grade_letters as $grade_letter) {
//Begin grade_letter
fwrite($bf, start_tag("GRADE_LETTER", 4, true));
//Output individual fields
fwrite($bf, full_tag("ID", 5, false, $grade_letter->id));
fwrite($bf, full_tag("LETTER", 5, false, $grade_letter->letter));
fwrite($bf, full_tag("GRADE_HIGH", 5, false, $grade_letter->grade_high));
fwrite($bf, full_tag("GRADE_LOW", 5, false, $grade_letter->grade_low));
//End grade_letter
fwrite($bf, end_tag("GRADE_LETTER", 4, true));
}
//End grade_letters tag
$status = fwrite($bf, end_tag("GRADE_LETTERS", 3, true));
}
//Output grade_category
$grade_categories = get_records("grade_category", "courseid", $preferences->backup_course);
if ($grade_categories) {
//Begin grade_categories tag
fwrite($bf, start_tag("GRADE_CATEGORIES", 3, true));
//Iterate for each category
foreach ($grade_categories as $grade_category) {
//Begin grade_category
fwrite($bf, start_tag("GRADE_CATEGORY", 4, true));
//Output individual fields
fwrite($bf, full_tag("ID", 5, false, $grade_category->id));
fwrite($bf, full_tag("NAME", 5, false, $grade_category->name));
fwrite($bf, full_tag("DROP_X_LOWEST", 5, false, $grade_category->drop_x_lowest));
fwrite($bf, full_tag("BONUS_POINTS", 5, false, $grade_category->bonus_points));
fwrite($bf, full_tag("HIDDEN", 5, false, $grade_category->hidden));
fwrite($bf, full_tag("WEIGHT", 5, false, $grade_category->weight));
//Now backup grade_item (inside grade_category)
$status = backup_gradebook_item_info($bf, $preferences, $grade_category->id);
//End grade_category
fwrite($bf, end_tag("GRADE_CATEGORY", 4, true));
}
//End grade_categories tag
$status = fwrite($bf, end_tag("GRADE_CATEGORIES", 3, true));
}
//Gradebook footer
$status = fwrite($bf, end_tag("GRADEBOOK", 2, true));
return $status;
}
function backup_gradebook_info($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);
$status = backup_gradebook_outcomes_info($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;
}
