static function can_access($exam)
{
// always access public exams
if (!$exam->require_login) {
return true;
}
if ($exam->require_login and !is_user_logged_in()) {
return false;
}
// admin can always access
if (current_user_can('manage_options') or current_user_can('watupro_manage_exams')) {
if (empty($_POST['action']) and $exam->fee > 0) {
echo "<b>" . __('Note: This quiz requires payment, but you are administrator and do not need to go through it.', 'watupro') . "</b>";
}
return true;
}
// USER GROUP CHECKS
$allowed = WTPCategory::has_access($exam);
if (!$allowed) {
echo "<!-- not in allowed user group -->";
return false;
}
// INTELLIGENCE MODULE RESTRICTIONS
if (watupro_intel()) {
if ($exam->fee > 0) {
require_once WATUPRO_PATH . "/i/models/payment.php";
if (!empty($_POST['stripe_pay'])) {
WatuPROPayment::Stripe();
}
// process Stripe payment if any
if (!WatuPROPayment::valid_payment($exam)) {
self::$output_sent = WatuPROPayment::render($exam);
return false;
}
}
require_once WATUPRO_PATH . "/i/models/dependency.php";
if (!WatuPRODependency::check($exam)) {
echo "<!-- WATUPROCOMMENT unsatisfied dependencies -->";
return false;
}
}
return true;
}
