bolt->update("sex=$sex, birth_year=$birth_year");
$action = "";
}
if ($action == 'start' && info_incomplete($user)) {
request_info($user, $course);
exit();
}
$course_doc = require_once($course->doc_file);
if ($view_id) {
$view = BoltView::lookup_id($view_id);
if ($view && $view->user_id == $user->id && !$view->end_time) {
$now = time();
$view->update("end_time=$now");
}
}
$frac_done = 0;
$e = BoltEnrollment::lookup($user->id, $course_id);
if ($e) {
$iter = new BoltIter($course_doc);
$iter->stack = json_decode($e->state);
if ($action == 'next') {
$item = $iter->next($frac_done);
$state = json_encode($iter->stack);
$e->update("state='$state'");
} else if ($action == 'start') {
$iter->stack = null;
$item = $iter->at($frac_done);
$state = json_encode($iter->stack);
$e->update("state='$state'");
} else {
$item = $iter->at();
}
} else {
$iter = new BoltIter($course_doc);
$item = $iter->at();
$now = time();
$state = json_encode($iter->stack);
BoltEnrollment::insert("(create_time, user_id, course_id, state) values ($now, $user->id, $course_id, '$state')");
$e = BoltEnrollment::lookup($user->id, $course_id);
}
if (!$item) {
page_head("Done with course");
echo "All done!";
page_tail();
exit();
}
$now = time();
$e->update("last_view=$now, fraction_done=$frac_done");
$view_id = BoltView::insert("(user_id, course_id, item_name, start_time) values ($user->id, $course_id, '$item->name', $now)");
require_once($item->filename);
echo "Next";
echo "
Fraction done: $frac_done";
?>