/**
* Verify that there is a valid set of grades to export.
* @param $courseid int The course being exported
*/
function export_verify_grades($courseid)
{
if (grade_needs_regrade_final_grades($courseid)) {
throw new moodle_exception('gradesneedregrading', 'grades');
}
}
/**
* Check whether regarding of final grades is required and, if so, perform the regrade.
*
* If the regrade is expected to be time consuming (see grade_needs_regrade_progress_bar), then this
* function will output the progress bar, and redirect to the current PAGE->url after regrading
* completes. Otherwise the regrading will happen immediately and the page will be loaded as per
* normal.
*
* A callback may be specified, which is called if regrading has taken place.
* The callback may optionally return a URL which will be redirected to when the progress bar is present.
*
* @param stdClass $course The course to regrade
* @param callable $callback A function to call if regrading took place
* @return moodle_url The URL to redirect to if redirecting
*/
function grade_regrade_final_grades_if_required($course, callable $callback = null)
{
global $PAGE, $OUTPUT;
if (!grade_needs_regrade_final_grades($course->id)) {
return false;
}
if (grade_needs_regrade_progress_bar($course->id)) {
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('recalculatinggrades', 'grades'));
$progress = new \core\progress\display(true);
grade_regrade_final_grades($course->id, null, null, $progress);
if ($callback) {
//
$url = call_user_func($callback);
}
if (empty($url)) {
$url = $PAGE->url;
}
echo $OUTPUT->continue_button($url);
echo $OUTPUT->footer();
die;
} else {
$result = grade_regrade_final_grades($course->id);
if ($callback) {
call_user_func($callback);
}
return $result;
}
}
/**
* Check whether regarding of final grades is required and, if so, perform the regrade.
*
* If the regrade is expected to be time consuming (see grade_needs_regrade_progress_bar), then this
* function will output the progress bar, and redirect to the current PAGE->url after regrading
* completes. Otherwise the regrading will happen immediately and the page will be loaded as per
* normal.
*
* A callback may be specified, which is called if regrading has taken place.
* The callback may optionally return a URL which will be redirected to when the progress bar is present.
*
* @param stdClass $course The course to regrade
* @param callable $callback A function to call if regrading took place
* @return moodle_url The URL to redirect to if redirecting
*/
function grade_regrade_final_grades_if_required($course, callable $callback = null)
{
global $PAGE, $OUTPUT;
if (!grade_needs_regrade_final_grades($course->id)) {
return false;
}
if (grade_needs_regrade_progress_bar($course->id)) {
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('recalculatinggrades', 'grades'));
$progress = new \core\progress\display(true);
$status = grade_regrade_final_grades($course->id, null, null, $progress);
// Show regrade errors and set the course to no longer needing regrade (stop endless loop).
if (is_array($status)) {
foreach ($status as $error) {
$errortext = new \core\output\notification($error, \core\output\notification::NOTIFY_ERROR);
echo $OUTPUT->render($errortext);
}
$courseitem = grade_item::fetch_course_item($course->id);
$courseitem->regrading_finished();
}
if ($callback) {
//
$url = call_user_func($callback);
}
if (empty($url)) {
$url = $PAGE->url;
}
echo $OUTPUT->continue_button($url);
echo $OUTPUT->footer();
die;
} else {
$result = grade_regrade_final_grades($course->id);
if ($callback) {
call_user_func($callback);
}
return $result;
}
}
