function watupro_init()
{
global $user_ID, $wpdb;
if (get_option('watupro_debug_mode')) {
$wpdb->show_errors();
}
require WATUPRO_PATH . "/helpers/htmlhelper.php";
if (!session_id()) {
@session_start();
}
// define table names
define('WATUPRO_EXAMS', $wpdb->prefix . "watupro_master");
define('WATUPRO_TAKEN_EXAMS', $wpdb->prefix . "watupro_taken_exams");
define('WATUPRO_QUESTIONS', $wpdb->prefix . "watupro_question");
define('WATUPRO_STUDENT_ANSWERS', $wpdb->prefix . "watupro_student_answers");
define('WATUPRO_USER_CERTIFICATES', $wpdb->prefix . "watupro_user_certificates");
define('WATUPRO_CATS', $wpdb->prefix . "watupro_cats");
define('WATUPRO_QCATS', $wpdb->prefix . "watupro_qcats");
define('WATUPRO_GRADES', $wpdb->prefix . "watupro_grading");
define('WATUPRO_CERTIFICATES', $wpdb->prefix . "watupro_certificates");
define('WATUPRO_ANSWERS', $wpdb->prefix . "watupro_answer");
define('WATUPRO_GROUPS', $wpdb->prefix . "watupro_groups");
define('WATUPRO_DEPENDENCIES', $wpdb->prefix . "watupro_dependencies");
define('WATUPRO_PAYMENTS', $wpdb->prefix . "watupro_payments");
define('WATUPRO_USER_FILES', $wpdb->prefix . "watupro_user_files");
define('WATUPRO_BUNDLES', $wpdb->prefix . "watupro_bundles");
// bundles of paid quizzes
// pagination definitions - let's use something more understandable than 0,1,2,3
define('WATUPRO_PAGINATE_ONE_PER_PAGE', 0);
define('WATUPRO_PAGINATE_ALL_ON_PAGE', 1);
define('WATUPRO_PAGINATE_PAGE_PER_CATEGORY', 2);
define('WATUPRO_PAGINATE_CUSTOM_NUMBER', 3);
load_plugin_textdomain('watupro', false, WATUPRO_RELATIVE_PATH . '/languages/');
// need to redirect the user?
if (!empty($user_ID)) {
$redirect = get_user_meta($user_ID, "watupro_redirect", true);
update_user_meta($user_ID, "watupro_redirect", "");
if (!empty($redirect)) {
echo "<meta http-equiv='refresh' content='0;url={$redirect}' />";
exit;
}
}
$manage_caps = current_user_can('manage_options') ? 'manage_options' : 'watupro_manage_exams';
define('WATUPRO_MANAGE_CAPS', $manage_caps);
$version = get_bloginfo('version');
if ($version <= 3.3 or get_option('watupro_always_load_scripts') == "1") {
add_action('wp_enqueue_scripts', 'watupro_vc_scripts');
}
add_action('admin_enqueue_scripts', 'watupro_vc_scripts');
add_action('wp_enqueue_scripts', 'watupro_vc_jquery');
add_action('register_form', 'watupro_group_field');
// select user group
add_shortcode('WATUPRO-LEADERBOARD', 'watupro_leaderboard');
add_shortcode('watupro-leaderboard', 'watupro_leaderboard');
add_shortcode('WATUPRO-MYEXAMS', 'watupro_myexams_code');
add_shortcode('watupro-myexams', 'watupro_myexams_code');
add_shortcode('WATUPRO-MYCERTIFICATES', 'watupro_mycertificates_code');
add_shortcode('watupro-mycertificates', 'watupro_mycertificates_code');
add_shortcode('WATUPROLIST', 'watupro_listcode');
add_shortcode('watuprolist', 'watupro_listcode');
add_shortcode('WATUPRO', 'watupro_shortcode');
add_shortcode('watupro', 'watupro_shortcode');
add_shortcode('watupro-userinfo', 'watupro_userinfo');
// prepare the custom filter on the content
watupro_define_filters();
// handle view certificate in new way - since version 3.7
add_action('template_redirect', 'watupro_certificate_redirect');
// replace title & meta tags on shared final screen
add_action('template_redirect', 'watupro_share_redirect');
// handle file downloads
add_action('template_redirect', array('WatuPROFileHandler', 'download'));
if (watupro_intel() and !empty($_POST['stripe_bundle_pay'])) {
WatuPROPayment::Stripe(true);
}
// process Stripe payment if any
$db_version = get_option("watupro_db_version");
if ($db_version < 4.53) {
watupro_activate(true);
}
}
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;
}