$pageparams->curdate = optional_param('curdate', null, PARAM_INT);
$pageparams->perpage = get_config('attendance', 'resultsperpage');
$cm = get_coursemodule_from_id('attendance', $id, 0, false, MUST_EXIST);
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
$att = $DB->get_record('attendance', array('id' => $cm->instance), '*', MUST_EXIST);
require_login($course, true, $cm);
$context = context_module::instance($cm->id);
$capabilities = array('mod/attendance:manageattendances', 'mod/attendance:takeattendances', 'mod/attendance:changeattendances');
if (!has_any_capability($capabilities, $context)) {
redirect($att->url_view());
}
$pageparams->init($cm);
$att = new attendance($att, $cm, $course, $context, $pageparams);
// If teacher is coming from block, then check for a session exists for today.
if ($from === 'block') {
$sessions = $att->get_today_sessions();
$size = count($sessions);
if ($size == 1) {
$sess = reset($sessions);
$nottaken = !$sess->lasttaken && has_capability('mod/attendance:takeattendances', $context);
$canchange = $sess->lasttaken && has_capability('mod/attendance:changeattendances', $context);
if ($nottaken || $canchange) {
redirect($att->url_take(array('sessionid' => $sess->id, 'grouptype' => $sess->groupid)));
}
} else {
if ($size > 1) {
$att->curdate = $today;
// Temporarily set $view for single access to page from block.
$att->view = ATT_VIEW_DAYS;
}
}
