function submit_grades($grades_id, $grades, $email = false)
{
global $tool_content, $langGrades, $langWorkWrongInput, $course_id;
foreach ($grades as $sid => $grade) {
$sid = intval($sid);
$val = Database::get()->querySingle("SELECT grade from assignment_submit WHERE id = ?d", $sid)->grade;
$grade_valid = filter_var($grade, FILTER_VALIDATE_FLOAT);
isset($grade) && $grade_valid !== false ? $grade = $grade_valid : ($grade = NULL);
if ($val != $grade) {
if (Database::get()->query("UPDATE assignment_submit\n SET grade = ?d, grade_submission_date = NOW(), grade_submission_ip = ?s\n WHERE id = ?d", $grade, $_SERVER['REMOTE_ADDR'], $sid)->affectedRows > 0) {
$assign_id = Database::get()->querySingle("SELECT assignment_id FROM assignment_submit WHERE id = ?d", $sid)->assignment_id;
$title = Database::get()->querySingle("SELECT title FROM assignment WHERE assignment.id = ?d", $assign_id)->title;
Log::record($course_id, MODULE_ID_ASSIGN, LOG_MODIFY, array('id' => $sid, 'title' => $title, 'grade' => $grade));
//update gradebook if needed
$quserid = Database::get()->querySingle("SELECT uid FROM assignment_submit WHERE id = ?d", $sid)->uid;
update_gradebook_book($quserid, $assign_id, $grade, 'assignment');
if ($email) {
grade_email_notify($grades_id, $sid, $grade, '');
}
Session::Messages($langGrades, 'alert-success');
}
}
}
show_assignment($grades_id);
}
$pageName = $langAddGrade;
$navigation[] = $works_url;
$navigation[] = $work_id_url;
show_submission_form($id, groups_with_no_submissions($id), true);
} elseif ($choice == 'plain') {
show_plain_view($id);
}
} else {
$pageName = $work_title;
$navigation[] = $works_url;
if (isset($_GET['disp_results'])) {
show_assignment($id, true);
} elseif (isset($_GET['disp_non_submitted'])) {
show_non_submitted($id);
} else {
show_assignment($id);
}
}
} else {
$pageName = $langWorks;
show_assignments();
}
} else {
if (isset($_REQUEST['id'])) {
$id = intval($_REQUEST['id']);
if (isset($_POST['work_submit'])) {
$pageName = $m['SubmissionStatusWorkInfo'];
$navigation[] = $works_url;
$navigation[] = array('url' => "$_SERVER[SCRIPT_NAME]?course=$course_code&id=$id", 'name' => $langWorks);
submit_work($id);
} else {
