$section = 1;
$weekofseconds = 604800;
$course->enddate = $course->startdate + $weekofseconds * $course->numsections;
$sectionmenu = array();
// Calculate the current week based on today's date and the starting date of the course.
$currentweek = $timenow > $course->startdate ? (int) (($timenow - $course->startdate) / $weekofseconds + 1) : 0;
$currentweek = min($currentweek, $course->numsections);
$strftimedateshort = " " . get_string("strftimedateshort");
/// If the selected_week variable is 0, all weeks are selected.
if ($selected_week == -1 && $currentweek == 0) {
$selected_week = 0;
$section = $selected_week;
$numsections = $course->numsections;
} else {
if ($selected_week == -1) {
if (isteacher($course->id) || !empty($course->activitytracking) && ($selected_week = $cobject->first_unfinished_section()) === false) {
$selected_week = $currentweek;
}
$selected_week = $selected_week > $currentweek ? $currentweek : $selected_week;
$section = $selected_week;
$numsections = MAX($section, 1);
} else {
if ($selected_week != 0) {
/// Teachers can select a future week; students can't.
if ($selected_week > $currentweek && !$isteacher) {
$section = $currentweek;
} else {
$section = $selected_week;
}
$numsections = $section;
} else {
