<?php
defined('ABSPATH') || exit;
class WC_Site_Tracking
{
public static function is_tracking_enabled()
{
if (!apply_filters('woocommerce_apply_user_tracking', true) || !apply_filters('woocommerce_apply_tracking', true)) {
return false;
}
$is_obw_opting_in = isset($_POST['wc_tracker_checkbox']) && 'yes' === sanitize_text_field($_POST['wc_tracker_checkbox']);
if ('yes' !== get_option('woocommerce_allow_tracking') && !$is_obw_opting_in) {
return false;
}
if (!class_exists('WC_Tracks')) {
return false;
}
return true;
}
public static function register_scripts()
{
wp_register_script('woo-tracks', 'https://stats.wp.com/w.js', array('wp-hooks'), gmdate('YW'), false);
}
public static function enqueue_scripts()
{
wp_enqueue_script('woo-tracks');
}
public static function add_tracking_function()
{
?>
<!-- WooCommerce Tracks -->
<script type="text/javascript">
window.wcTracks = window.wcTracks || {};
window.wcTracks.isEnabled = <?php
echo self::is_tracking_enabled() ? 'true' : 'false';
?>;
window.wcTracks.recordEvent = function( name, properties ) {
if ( ! window.wcTracks.isEnabled ) {
return;
}
var eventName = '<?php
echo esc_attr(WC_Tracks::PREFIX);
?>' + name;
var eventProperties = properties || {};
eventProperties.url = '<?php
echo esc_html(home_url());
?>'
eventProperties.products_count = '<?php
echo intval(WC_Tracks::get_products_count());
?>';
if ( window.wp && window.wp.hooks && window.wp.hooks.applyFilters ) {
eventProperties = window.wp.hooks.applyFilters( 'woocommerce_tracks_client_event_properties', eventProperties, eventName );
delete( eventProperties._ui );
delete( eventProperties._ut );
}
window._tkq = window._tkq || [];
window._tkq.push( [ 'recordEvent', eventName, eventProperties ] );
}
</script>
<?php
}
public static function add_enable_tracking_function()
{
global $wp_scripts;
if (!isset($wp_scripts->registered['woo-tracks'])) {
return;
}
$woo_tracks_script = $wp_scripts->registered['woo-tracks']->src;
?>
<script type="text/javascript">
window.wcTracks.enable = function( callback ) {
window.wcTracks.isEnabled = true;
var scriptUrl = '<?php
echo esc_url($woo_tracks_script);
?>';
var existingScript = document.querySelector( `script[src="${ scriptUrl }"]` );
if ( existingScript ) {
return;
}
var script = document.createElement('script');
script.src = scriptUrl;
document.body.append(script);
// Callback after scripts have loaded.
script.onload = function() {
if ( 'function' === typeof callback ) {
callback( true );
}
}
// Callback triggered if the script fails to load.
script.onerror = function() {
if ( 'function' === typeof callback ) {
callback( false );
}
}
}
</script>
<?php
}
public static function init()
{
self::register_scripts();
add_filter('admin_footer', array(__CLASS__, 'add_tracking_function'), 24);
if (!self::is_tracking_enabled()) {
add_filter('admin_footer', array(__CLASS__, 'add_enable_tracking_function'), 24);
return;
}
self::enqueue_scripts();
include_once WC_ABSPATH . 'includes/tracks/events/class-wc-admin-setup-wizard-tracking.php';
include_once WC_ABSPATH . 'includes/tracks/events/class-wc-extensions-tracking.php';
include_once WC_ABSPATH . 'includes/tracks/events/class-wc-importer-tracking.php';
include_once WC_ABSPATH . 'includes/tracks/events/class-wc-products-tracking.php';
include_once WC_ABSPATH . 'includes/tracks/events/class-wc-orders-tracking.php';
include_once WC_ABSPATH . 'includes/tracks/events/class-wc-settings-tracking.php';
include_once WC_ABSPATH . 'includes/tracks/events/class-wc-status-tracking.php';
include_once WC_ABSPATH . 'includes/tracks/events/class-wc-coupons-tracking.php';
include_once WC_ABSPATH . 'includes/tracks/events/class-wc-order-tracking.php';
include_once WC_ABSPATH . 'includes/tracks/events/class-wc-coupon-tracking.php';
$tracking_classes = array('WC_Extensions_Tracking', 'WC_Importer_Tracking', 'WC_Products_Tracking', 'WC_Orders_Tracking', 'WC_Settings_Tracking', 'WC_Status_Tracking', 'WC_Coupons_Tracking', 'WC_Order_Tracking', 'WC_Coupon_Tracking');
foreach ($tracking_classes as $tracking_class) {
$tracker_instance = new $tracking_class();
$tracker_init_method = array($tracker_instance, 'init');
if (is_callable($tracker_init_method)) {
call_user_func($tracker_init_method);
}
}
}
}