Mini Shell
<?php
/**
* Add support for Google Analytics e-commerce events for AMP pages.
*
* @package automattic/jetpack
*/
/**
* Bail if accessed directly
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Jetpack_Google_AMP_Analytics class.
*/
class Jetpack_Google_AMP_Analytics {
/**
* Constructor method.
*/
public function __construct() {
$this->maybe_load_hooks();
}
/**
* Maybe load the hooks.
* Checks if its AMP request, if WooCommerce is available, if DNT is disabled, if there's tracking code and if tracking is enabled.
*/
public function maybe_load_hooks() {
if ( ! class_exists( 'Jetpack_AMP_Support' ) || ! Jetpack_AMP_Support::is_amp_request() ) {
return;
}
if ( ! class_exists( 'WooCommerce' ) ) {
return;
}
if ( ! Jetpack_Google_Analytics_Options::has_tracking_code() ) {
return;
}
if ( Jetpack_Google_Analytics_Utils::is_dnt_enabled() ) {
return;
}
if ( ! Jetpack_Google_Analytics_Options::track_add_to_cart_is_enabled() ) {
return;
}
add_action( 'woocommerce_add_to_cart', array( $this, 'amp_add_to_cart' ), 10, 6 );
add_action( 'woocommerce_thankyou', array( $this, 'amp_after_purchase' ), 10, 1 );
add_action( 'wp_footer', array( $this, 'amp_send_ga_events' ) );
}
/**
* Generate a GA event when adding an item to the cart.
*
* @param string $cart_item_key Cart item key.
* @param string $product_id Product ID.
* @param int $quantity Product quantity.
* @param int $variation_id Product variation ID.
* @param object $variation Product variation.
* @param object $cart_item_data Cart item data.
*/
public function amp_add_to_cart( $cart_item_key, $product_id, $quantity, $variation_id, $variation, $cart_item_data ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
$product = wc_get_product( $product_id );
if ( $product ) {
$product_sku = Jetpack_Google_Analytics_Utils::get_product_sku_or_id( $product );
$product_name = $product->get_name();
$events = WC()->session->get( 'wc_ga_events' );
$events[] = array(
'type' => 'add',
'ga_params' => array(
'pa' => 'add',
'pr1id' => sanitize_text_field( $product_sku ),
'pr1nm' => sanitize_text_field( $product_name ),
'pr1qt' => absint( $quantity ),
),
);
WC()->session->set( 'wc_ga_events', $events );
}
}
/**
* Generate a GA event when removing an item to the cart.
*
* @param int $order_id The Order ID.
*/
public function amp_after_purchase( $order_id ) {
$events = WC()->session->get( 'wc_ga_events' );
$order = wc_get_order( $order_id );
$order_total = $order->get_total();
$order_tax = $order->get_total_tax();
$i = 1;
$event = array(
'type' => 'purchase',
'ga_params' => array(
'pa' => 'purchase',
'ti' => absint( $order_id ),
'tr' => (float) $order_total,
'tt' => (float) $order_tax,
),
);
foreach ( $order->get_items() as $item ) {
$product = $item->get_product();
if ( $product ) {
$event['ga_params'][ 'pr' . $i . 'id' ] = sanitize_text_field( Jetpack_Google_Analytics_Utils::get_product_sku_or_id( $product ) );
$event['ga_params'][ 'pr' . $i . 'nm' ] = sanitize_text_field( $item->get_name() );
$event['ga_params'][ 'pr' . $i . 'qt' ] = absint( $item->get_quantity() );
++$i;
}
}
$events[] = $event;
WC()->session->set( 'wc_ga_events', $events );
}
/**
* Send the stored events to GA.
*/
public function amp_send_ga_events() {
if ( ! isset( $_SERVER['REQUEST_METHOD'] ) || 'GET' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized, WordPress.Security.ValidatedSanitizedInput.MissingUnslash -- Simple comparison
return;
}
$events = WC()->session->get( 'wc_ga_events' );
if ( ! is_array( $events ) ) {
return;
}
foreach ( $events as $event ) {
?>
<amp-analytics type='googleanalytics'>
<script type='application/json'>
{
"vars": {
"account": "<?php echo esc_html( Jetpack_Google_Analytics_Options::get_tracking_code() ); ?>"
},
"triggers": {
"trackPageview": {
"on": "visible",
"request": "pageview",
"extraUrlParams": <?php echo wp_json_encode( $event['ga_params'] ); ?>
}
}
}
</script>
</amp-analytics>
<?php
array_shift( $events );
}
WC()->session->set( 'wc_ga_events', $events );
}
}
Zerion Mini Shell 1.0