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2019-10-24 00:12:05 +02:00
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commit ac980f592c
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wp-content/plugins/jetpack/modules/google-analytics/classes/wp-google-analytics-universal.php Normal file
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<?php
/**
* Jetpack_Google_Analytics_Universal hooks and and enqueues support for analytics.js
* https://developers.google.com/analytics/devguides/collection/analyticsjs/
* https://developers.google.com/analytics/devguides/collection/analyticsjs/enhanced-ecommerce
*
* @author allendav
*/
/**
* Bail if accessed directly
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
class Jetpack_Google_Analytics_Universal {
public function __construct() {
add_filter( 'jetpack_wga_universal_commands', array( $this, 'maybe_anonymize_ip' ) );
add_filter( 'jetpack_wga_universal_commands', array( $this, 'maybe_track_purchases' ) );
add_action( 'wp_head', array( $this, 'wp_head' ), 999999 );
add_action( 'woocommerce_after_add_to_cart_button', array( $this, 'add_to_cart' ) );
add_action( 'wp_footer', array( $this, 'loop_add_to_cart' ) );
add_action( 'woocommerce_after_cart', array( $this, 'remove_from_cart' ) );
add_action( 'woocommerce_after_mini_cart', array( $this, 'remove_from_cart' ) );
add_filter( 'woocommerce_cart_item_remove_link', array( $this, 'remove_from_cart_attributes' ), 10, 2 );
add_action( 'woocommerce_after_shop_loop_item', array( $this, 'listing_impression' ) );
add_action( 'woocommerce_after_shop_loop_item', array( $this, 'listing_click' ) );
add_action( 'woocommerce_after_single_product', array( $this, 'product_detail' ) );
add_action( 'woocommerce_after_checkout_form', array( $this, 'checkout_process' ) );
// we need to send a pageview command last - so we use priority 24 to add
// this command's JavaScript just before wc_print_js is called (pri 25)
add_action( 'wp_footer', array( $this, 'send_pageview_in_footer' ), 24 );
}
public function wp_head() {
$tracking_code = Jetpack_Google_Analytics_Options::get_tracking_code();
if ( empty( $tracking_code ) ) {
echo "<!-- No tracking ID configured for Jetpack Google Analytics -->\r\n";
return;
}
// If we're in the admin_area, return without inserting code.
if ( is_admin() ) {
return;
}
/**
* Allow for additional elements to be added to the universal Google Analytics queue (ga) array
*
* @since 5.6.0
*
* @param array $custom_vars Array of universal Google Analytics queue elements
*/
$universal_commands = apply_filters( 'jetpack_wga_universal_commands', array() );
$async_code = "
<!-- Jetpack Google Analytics -->
<script>
window.ga = window.ga || function(){ ( ga.q = ga.q || [] ).push( arguments ) }; ga.l=+new Date;
ga( 'create', '%tracking_id%', 'auto' );
ga( 'require', 'ec' );
%universal_commands%
</script>
<script async src='https://www.google-analytics.com/analytics.js'></script>
<!-- End Jetpack Google Analytics -->
";
$async_code = str_replace( '%tracking_id%', $tracking_code, $async_code );
$universal_commands_string = implode( "\r\n", $universal_commands );
$async_code = str_replace( '%universal_commands%', $universal_commands_string, $async_code );
echo "$async_code\r\n";
}
public function maybe_anonymize_ip( $command_array ) {
if ( Jetpack_Google_Analytics_Options::anonymize_ip_is_enabled() ) {
array_push( $command_array, "ga( 'set', 'anonymizeIp', true );" );
}
return $command_array;
}
public function maybe_track_purchases( $command_array ) {
global $wp;
if ( ! Jetpack_Google_Analytics_Options::track_purchases_is_enabled() ) {
return $command_array;
}
if ( ! class_exists( 'WooCommerce' ) ) {
return $command_array;
}
$minimum_woocommerce_active = class_exists( 'WooCommerce' ) && version_compare( WC_VERSION, '3.0', '>=' );
if ( ! $minimum_woocommerce_active ) {
return $command_array;
}
if ( ! is_order_received_page() ) {
return $command_array;
}
$order_id = isset( $wp->query_vars['order-received'] ) ? $wp->query_vars['order-received'] : 0;
if ( 0 == $order_id ) {
return $command_array;
}
// A 1 indicates we've already tracked this order - don't do it again
if ( 1 == get_post_meta( $order_id, '_ga_tracked', true ) ) {
return $command_array;
}
$order = new WC_Order( $order_id );
$order_currency = $order->get_currency();
$command = "ga( 'set', '&cu', '" . esc_js( $order_currency ) . "' );";
array_push( $command_array, $command );
// Order items
if ( $order->get_items() ) {
foreach ( $order->get_items() as $item ) {
$product = $order->get_product_from_item( $item );
$product_sku_or_id = Jetpack_Google_Analytics_Utils::get_product_sku_or_id( $product );
$item_details = array(
'id' => $product_sku_or_id,
'name' => $item['name'],
'category' => Jetpack_Google_Analytics_Utils::get_product_categories_concatenated( $product ),
'price' => $order->get_item_total( $item ),
'quantity' => $item['qty'],
);
$command = "ga( 'ec:addProduct', " . wp_json_encode( $item_details ) . " );";
array_push( $command_array, $command );
}
}
// Order summary
$summary = array(
'id' => $order->get_order_number(),
'affiliation' => get_bloginfo( 'name' ),
'revenue' => $order->get_total(),
'tax' => $order->get_total_tax(),
'shipping' => $order->get_total_shipping()
);
$command = "ga( 'ec:setAction', 'purchase', " . wp_json_encode( $summary ) . " );";
array_push( $command_array, $command );
update_post_meta( $order_id, '_ga_tracked', 1 );
return $command_array;
}
public function add_to_cart() {
if ( ! Jetpack_Google_Analytics_Options::track_add_to_cart_is_enabled() ) {
return;
}
if ( ! is_single() ) {
return;
}
global $product;
$product_sku_or_id = Jetpack_Google_Analytics_Utils::get_product_sku_or_id( $product );
$selector = ".single_add_to_cart_button";
wc_enqueue_js(
"$( '" . esc_js( $selector ) . "' ).click( function() {
var productDetails = {
'id': '" . esc_js( $product_sku_or_id ) . "',
'name' : '" . esc_js( $product->get_title() ) . "',
'quantity': $( 'input.qty' ).val() ? $( 'input.qty' ).val() : '1',
};
ga( 'ec:addProduct', productDetails );
ga( 'ec:setAction', 'add' );
ga( 'send', 'event', 'UX', 'click', 'add to cart' );
} );"
);
}
public function loop_add_to_cart() {
if ( ! Jetpack_Google_Analytics_Options::track_add_to_cart_is_enabled() ) {
return;
}
if ( ! class_exists( 'WooCommerce' ) ) {
return;
}
$minimum_woocommerce_active = class_exists( 'WooCommerce' ) && version_compare( WC_VERSION, '3.0', '>=' );
if ( ! $minimum_woocommerce_active ) {
return;
}
$selector = ".add_to_cart_button:not(.product_type_variable, .product_type_grouped)";
wc_enqueue_js(
"$( '" . esc_js( $selector ) . "' ).click( function() {
var productSku = $( this ).data( 'product_sku' );
var productID = $( this ).data( 'product_id' );
var productDetails = {
'id': productSku ? productSku : '#' + productID,
'quantity': $( this ).data( 'quantity' ),
};
ga( 'ec:addProduct', productDetails );
ga( 'ec:setAction', 'add' );
ga( 'send', 'event', 'UX', 'click', 'add to cart' );
} );"
);
}
public function remove_from_cart() {
if ( ! Jetpack_Google_Analytics_Options::enhanced_ecommerce_tracking_is_enabled() ) {
return;
}
if ( ! Jetpack_Google_Analytics_Options::track_remove_from_cart_is_enabled() ) {
return;
}
// We listen at div.woocommerce because the cart 'form' contents get forcibly
// updated and subsequent removals from cart would then not have this click
// handler attached
wc_enqueue_js(
"$( 'div.woocommerce' ).on( 'click', 'a.remove', function() {
var productSku = $( this ).data( 'product_sku' );
var productID = $( this ).data( 'product_id' );
var quantity = $( this ).parent().parent().find( '.qty' ).val()
var productDetails = {
'id': productSku ? productSku : '#' + productID,
'quantity': quantity ? quantity : '1',
};
ga( 'ec:addProduct', productDetails );
ga( 'ec:setAction', 'remove' );
ga( 'send', 'event', 'UX', 'click', 'remove from cart' );
} );"
);
}
/**
* Adds the product ID and SKU to the remove product link (for use by remove_from_cart above) if not present
*
* @param string $url Full HTML a tag of the link to remove an item from the cart.
* @param string $key Unique Key ID for a cart item.
*/
public function remove_from_cart_attributes( $url, $key ) {
if ( false !== strpos( $url, 'data-product_id' ) ) {
return $url;
}
$item = WC()->cart->get_cart_item( $key );
$product = $item['data'];
$new_attributes = sprintf(
'" data-product_id="%1$s" data-product_sku="%2$s">',
esc_attr( $product->get_id() ),
esc_attr( $product->get_sku() )
);
$url = str_replace( '">', $new_attributes, $url );
return $url;
}
public function listing_impression() {
if ( ! Jetpack_Google_Analytics_Options::enhanced_ecommerce_tracking_is_enabled() ) {
return;
}
if ( ! Jetpack_Google_Analytics_Options::track_product_impressions_is_enabled() ) {
return;
}
if ( isset( $_GET['s'] ) ) {
$list = "Search Results";
} else {
$list = "Product List";
}
global $product, $woocommerce_loop;
$product_sku_or_id = Jetpack_Google_Analytics_Utils::get_product_sku_or_id( $product );
$item_details = array(
'id' => $product_sku_or_id,
'name' => $product->get_title(),
'category' => Jetpack_Google_Analytics_Utils::get_product_categories_concatenated( $product ),
'list' => $list,
'position' => $woocommerce_loop['loop']
);
wc_enqueue_js( "ga( 'ec:addImpression', " . wp_json_encode( $item_details ) . " );" );
}
public function listing_click() {
if ( ! Jetpack_Google_Analytics_Options::enhanced_ecommerce_tracking_is_enabled() ) {
return;
}
if ( ! Jetpack_Google_Analytics_Options::track_product_clicks_is_enabled() ) {
return;
}
if ( isset( $_GET['s'] ) ) {
$list = "Search Results";
} else {
$list = "Product List";
}
global $product, $woocommerce_loop;
$product_sku_or_id = Jetpack_Google_Analytics_Utils::get_product_sku_or_id( $product );
$selector = ".products .post-" . esc_js( $product->get_id() ) . " a";
$item_details = array(
'id' => $product_sku_or_id,
'name' => $product->get_title(),
'category' => Jetpack_Google_Analytics_Utils::get_product_categories_concatenated( $product ),
'position' => $woocommerce_loop['loop']
);
wc_enqueue_js(
"$( '" . esc_js( $selector ) . "' ).click( function() {
if ( true === $( this ).hasClass( 'add_to_cart_button' ) ) {
return;
}
ga( 'ec:addProduct', " . wp_json_encode( $item_details ) . " );
ga( 'ec:setAction', 'click', { list: '" . esc_js( $list ) . "' } );
ga( 'send', 'event', 'UX', 'click', { list: '" . esc_js( $list ) . "' } );
} );"
);
}
public function product_detail() {
if ( ! Jetpack_Google_Analytics_Options::enhanced_ecommerce_tracking_is_enabled() ) {
return;
}
if ( ! Jetpack_Google_Analytics_Options::track_product_detail_view_is_enabled() ) {
return;
}
global $product;
$product_sku_or_id = Jetpack_Google_Analytics_Utils::get_product_sku_or_id( $product );
$item_details = array(
'id' => $product_sku_or_id,
'name' => $product->get_title(),
'category' => Jetpack_Google_Analytics_Utils::get_product_categories_concatenated( $product ),
'price' => $product->get_price()
);
wc_enqueue_js(
"ga( 'ec:addProduct', " . wp_json_encode( $item_details ) . " );" .
"ga( 'ec:setAction', 'detail' );"
);
}
public function checkout_process() {
if ( ! Jetpack_Google_Analytics_Options::enhanced_ecommerce_tracking_is_enabled() ) {
return;
}
if ( ! Jetpack_Google_Analytics_Options::track_checkout_started_is_enabled() ) {
return;
}
$universal_commands = array();
$cart = WC()->cart->get_cart();
foreach ( $cart as $cart_item_key => $cart_item ) {
/**
* This filter is already documented in woocommerce/templates/cart/cart.php
*/
$product = apply_filters( 'woocommerce_cart_item_product', $cart_item['data'], $cart_item, $cart_item_key );
$product_sku_or_id = Jetpack_Google_Analytics_Utils::get_product_sku_or_id( $product );
$item_details = array(
'id' => $product_sku_or_id,
'name' => $product->get_title(),
'category' => Jetpack_Google_Analytics_Utils::get_product_categories_concatenated( $product ),
'price' => $product->get_price(),
'quantity' => $cart_item[ 'quantity' ]
);
array_push( $universal_commands, "ga( 'ec:addProduct', " . wp_json_encode( $item_details ) . " );" );
}
array_push( $universal_commands, "ga( 'ec:setAction','checkout' );" );
wc_enqueue_js( implode( "\r\n", $universal_commands ) );
}
public function send_pageview_in_footer() {
if ( ! Jetpack_Google_Analytics_Options::has_tracking_code() ) {
return;
}
if ( is_admin() ) {
return;
}
if ( ! class_exists( 'WooCommerce' ) ) {
return;
}
wc_enqueue_js( "ga( 'send', 'pageview' );" );
}
}