function notify_users()
{
$now = time();
$rs = BoltRefresh::enum("due_time < {$now}");
$users = array();
foreach ($rs as $r) {
$view = BoltView::lookup_id($r->view_id);
$user_id = $view->user_id;
if (!key_exists($user_id)) {
$user = BoincUser::lookup_id($user_id);
BoltUser::lookup($user);
$user->refresh = array();
$users[$user_id] = $user;
}
$users[$user_id]->refresh[] = $r;
}
foreach ($users as $user) {
notify_user($user);
}
}
page_head("Courses");
$user = get_logged_in_user(false);
if ($user) {
BoltUser::lookup($user);
}
$courses = BoltCourse::enum();
start_table();
table_header("Course", "Status");
foreach ($courses as $course) {
if ($course->hidden && !($user->bolt->flags & BOLT_FLAG_SHOW_ALL)) {
continue;
}
$e = $user ? BoltEnrollment::lookup($user->id, $course->id) : null;
if ($e) {
$start = date_str($e->create_time);
$view = BoltView::lookup_id($e->last_view_id);
$ago = time_diff(time() - $view->start_time);
$pct = number_format($view->fraction_done * 100, 0);
$status = "Started {$start}\n <br>Last visit: {$ago} ago\n <br>{$pct}% done\n ";
if ($view->fraction_done < 1) {
$status .= "<br><a href=bolt_sched.php?course_id={$course->id}&action=resume>Resume</a>\n ";
}
$status .= "<br><a href=bolt_sched.php?course_id={$course->id}&action=start>Restart</a>\n | <a href=bolt_course.php?course_id={$course->id}>History</a>\n ";
} else {
$status = "\n <a href=bolt_sched.php?course_id={$course->id}&action=start>Start</a>\n ";
}
row2_init("<b>{$course->name}</b>\n <br><span class=note>{$course->description}</span>", $status);
show_refreshes();
echo "</td></tr>\n";
}
end_table();
function show_views()
{
global $user;
global $course;
$views = BoltView::enum("user_id={$user->id} and course_id={$course->id} order by id");
start_table();
table_header("ID", "Time", "Duration", "Item", "Mode", "Action");
foreach ($views as $view) {
show_view($view);
}
end_table();
}
function clear()
{
global $course_id;
admin_page_head("Deleting course data");
BoltEnrollment::delete_aux("course_id = {$course_id}");
BoltView::delete_aux("course_id = {$course_id}");
BoltResult::delete_aux("course_id = {$course_id}");
BoltXsetResult::delete_aux("course_id = {$course_id}");
BoltSelectFinished::delete_aux("course_id = {$course_id}");
BoltRefreshRec::delete_aux("course_id = {$course_id}");
BoltQuestion::delete_aux("course_id = {$course_id}");
echo "\n\t\tCourse data deleted.\n\t";
admin_page_tail();
}
function start_refresh()
{
global $course_doc;
global $refresh;
$xset_result = BoltXsetResult::lookup_id($refresh->xset_result_id);
if (!$xset_result) {
error_page("Exercise set result not found");
}
$view = BoltView::lookup_id($xset_result->view_id);
if (!$view) {
error_page("view not found");
}
$iter = new BoltIter($course_doc);
$iter->decode_state($view->state);
$iter->at();
$xset = $iter->xset;
if (!$xset || $xset->name != $xset_result->name) {
error_page("missing exercise set");
}
$xset->restart($iter);
$iter->at();
$mode = default_mode($iter->item);
$view_id = create_view($iter, $mode, 0);
show_item($iter, $view_id, 0, $mode);
}
function map_gen_lesson($uid, $unit, $sb)
{
global $course, $now;
if (frand() < $sb->attr) {
$action = BOLT_ACTION_NONE;
$t = $now;
} else {
$action = BOLT_ACTION_NEXT;
$t = $now + urand($sb->time_mean, $sb->time_dev);
}
$mode = BOLT_MODE_LESSON;
BoltView::insert("(user_id, course_id, item_name, action, mode, start_time, end_time) values ({$uid}, {$course->id}, '{$unit->name}', {$action}, {$mode}, {$now}, {$t})");
return $action == BOLT_ACTION_NEXT;
}