diff options
Diffstat (limited to 'plugins/jetpack/modules/google-analytics/classes/class-jetpack-google-amp-analytics.php')
| -rw-r--r-- | plugins/jetpack/modules/google-analytics/classes/class-jetpack-google-amp-analytics.php | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/plugins/jetpack/modules/google-analytics/classes/class-jetpack-google-amp-analytics.php b/plugins/jetpack/modules/google-analytics/classes/class-jetpack-google-amp-analytics.php new file mode 100644 index 00000000..daa369b1 --- /dev/null +++ b/plugins/jetpack/modules/google-analytics/classes/class-jetpack-google-amp-analytics.php @@ -0,0 +1,154 @@ +<?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 there's tracking code and in 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_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 ( 'GET' !== strtoupper( $_SERVER['REQUEST_METHOD'] ) ) { + 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 ); + } +} |