$course->subject = $fromform->subject;
$course->audience = $fromform->audience;
$course->educationallevel = $fromform->educationallevel;
$course->creatornotes = $fromform->creatornotes['text'];
$course->creatornotesformat = $fromform->creatornotes['format'];
$course->privacy = empty($fromform->visible) ? 0 : $fromform->visible;
//delete screenshots that are not needed anymore
for ($screenshotnumber = 1; $screenshotnumber <= $course->screenshots; $screenshotnumber++) {
if (!isset($fromform->{'screenshot_' . $screenshotnumber})) {
if ($hub->screenshot_exists($course->id, $screenshotnumber)) {
$hub->delete_screenshot($course->id, $screenshotnumber);
}
}
}
//sanitize course screenshots
$screenshottotal = $hub->sanitize_screenshots($course->id);
//save the new screenshots and update the course screenshots value
if (!empty($fromform->addscreenshots)) {
$screenshots = $fromform->addscreenshots;
$fs = get_file_storage();
$ctx = context_user::instance($USER->id);
$files = $fs->get_area_files($ctx->id, 'user', 'draft', $screenshots);
if (!empty($files)) {
$level1 = floor($course->id / 1000) * 1000;
$directory = "hub/{$level1}/{$course->id}";
foreach ($files as $file) {
if ($file->is_valid_image()) {
$screenshottotal = $screenshottotal + 1;
if ($screenshottotal <= MAXSCREENSHOTSNUMBER) {
$pathname = $CFG->dataroot . '/' . $directory . '/screenshot_' . $course->id . "_" . $screenshottotal;
$file->copy_content_to($pathname);
