%PDF-
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Mini Shell
Mini Shell
<?php
/**
* Jetpack_WooCommerce_Analytics_Universal
*
* @package Jetpack
* @author Automattic
*/
/**
* Bail if accessed directly
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class Jetpack_WooCommerce_Analytics_Universal
* Filters and Actions added to Store pages to perform analytics
*/
class Jetpack_WooCommerce_Analytics_Universal {
/**
* Jetpack_WooCommerce_Analytics_Universal constructor.
*/
public function __construct() {
// loading _wca
add_action( 'wp_head', array( $this, 'wp_head_top' ), 1 );
// add to carts from non-product pages or lists (search, store etc.)
add_action( 'wp_head', array( $this, 'loop_session_events' ), 2 );
// loading s.js.
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_tracking_script' ) );
// Capture cart events
add_action( 'woocommerce_add_to_cart', array( $this, 'capture_add_to_cart' ), 10, 6 );
// single product page view
add_action( 'woocommerce_after_single_product', array( $this, 'capture_product_view' ) );
add_action( 'woocommerce_after_cart', array( $this, 'remove_from_cart' ) );
add_action( 'woocommerce_after_mini_cart', array( $this, 'remove_from_cart' ) );
add_action( 'wcct_before_cart_widget', array( $this, 'remove_from_cart' ) );
add_filter( 'woocommerce_cart_item_remove_link', array( $this, 'remove_from_cart_attributes' ), 10, 2 );
// cart checkout
add_action( 'woocommerce_after_checkout_form', array( $this, 'checkout_process' ) );
// order confirmed
add_action( 'woocommerce_thankyou', array( $this, 'order_process' ), 10, 1 );
add_action( 'woocommerce_after_cart', array( $this, 'remove_from_cart_via_quantity' ), 10, 1 );
}
/**
* Make _wca available to queue events
*/
public function wp_head_top() {
if ( is_cart() || is_checkout() || is_checkout_pay_page() || is_order_received_page() || is_add_payment_method_page() ) {
$prevent_referrer_code = '<script>window._wca_prevent_referrer = true;</script>';
echo "$prevent_referrer_code\r\n";
}
$wca_code = '<script>window._wca = window._wca || [];</script>';
echo "$wca_code\r\n";
}
/**
* Place script to call s.js, Store Analytics.
*/
public function enqueue_tracking_script() {
$filename = sprintf(
'https://stats.wp.com/s-%d.js',
gmdate( 'YW' )
);
// phpcs:ignore WordPress.WP.EnqueuedResourceParameters.MissingVersion
wp_enqueue_script( 'woocommerce-analytics', esc_url( $filename ), array(), null, false );
}
/**
* On product lists or other non-product pages, add an event listener to "Add to Cart" button click
*/
public function loop_session_events() {
$blogid = Jetpack::get_option( 'id' );
// check for previous add-to-cart cart events
if ( is_object( WC()->session ) ) {
$data = WC()->session->get( 'wca_session_data' );
if ( ! empty( $data ) ) {
foreach ( $data as $data_instance ) {
$product = wc_get_product( $data_instance['product_id'] );
if ( ! $product ) {
continue;
}
$product_details = $this->get_product_details( $product );
wc_enqueue_js(
"_wca.push( {
'_en': '" . esc_js( $data_instance['event'] ) . "',
'blog_id': '" . esc_js( $blogid ) . "',
'pi': '" . esc_js( $data_instance['product_id'] ) . "',
'pn': '" . esc_js( $product_details['name'] ) . "',
'pc': '" . esc_js( $product_details['category'] ) . "',
'pp': '" . esc_js( $product_details['price'] ) . "',
'pq': '" . esc_js( $data_instance['quantity'] ) . "',
'pt': '" . esc_js( $product_details['type'] ) . "',
'ui': '" . esc_js( $this->get_user_id() ) . "',
} );"
);
}
// clear data
WC()->session->set( 'wca_session_data', '' );
}
}
}
/**
* On the cart page, add an event listener for removal of product click
*/
public function remove_from_cart() {
// 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.
$blogid = Jetpack::get_option( 'id' );
wc_enqueue_js(
"jQuery( 'div.woocommerce' ).on( 'click', 'a.remove', function() {
var productID = jQuery( this ).data( 'product_id' );
var quantity = jQuery( this ).parent().parent().find( '.qty' ).val()
var productDetails = {
'id': productID,
'quantity': quantity ? quantity : '1',
};
_wca.push( {
'_en': 'woocommerceanalytics_remove_from_cart',
'blog_id': '" . esc_js( $blogid ) . "',
'pi': productDetails.id,
'pq': productDetails.quantity,
'ui': '" . esc_js( $this->get_user_id() ) . "',
} );
} );"
);
}
/**
* Adds the product ID 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.
*
* @return mixed.
*/
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="%s">',
esc_attr( $product->get_id() )
);
$url = str_replace( '">', $new_attributes, $url );
return $url;
}
/**
* Gather relevant product information
*
* @param array $product product
* @return array
*/
public function get_product_details( $product ) {
return array(
'id' => $product->get_id(),
'name' => $product->get_title(),
'category' => $this->get_product_categories_concatenated( $product ),
'price' => $product->get_price(),
'type' => $product->get_type(),
);
}
/**
* Track a product page view
*/
public function capture_product_view() {
global $product;
$blogid = Jetpack::get_option( 'id' );
$product_details = $this->get_product_details( $product );
wc_enqueue_js(
"_wca.push( {
'_en': 'woocommerceanalytics_product_view',
'blog_id': '" . esc_js( $blogid ) . "',
'pi': '" . esc_js( $product_details['id'] ) . "',
'pn': '" . esc_js( $product_details['name'] ) . "',
'pc': '" . esc_js( $product_details['category'] ) . "',
'pp': '" . esc_js( $product_details['price'] ) . "',
'pt': '" . esc_js( $product_details['type'] ) . "',
'ui': '" . esc_js( $this->get_user_id() ) . "',
} );"
);
}
/**
* On the Checkout page, trigger an event for each product in the cart
*/
public function checkout_process() {
$universal_commands = array();
$cart = WC()->cart->get_cart();
$blogid = Jetpack::get_option( 'id' );
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 );
if ( ! $product ) {
continue;
}
$product_details = $this->get_product_details( $product );
$universal_commands[] = "_wca.push( {
'_en': 'woocommerceanalytics_product_checkout',
'blog_id': '" . esc_js( $blogid ) . "',
'pi': '" . esc_js( $product_details['id'] ) . "',
'pn': '" . esc_js( $product_details['name'] ) . "',
'pc': '" . esc_js( $product_details['category'] ) . "',
'pp': '" . esc_js( $product_details['price'] ) . "',
'pq': '" . esc_js( $cart_item['quantity'] ) . "',
'pt': '" . esc_js( $product_details['type'] ) . "',
'ui': '" . esc_js( $this->get_user_id() ) . "',
} );";
}
wc_enqueue_js( implode( "\r\n", $universal_commands ) );
}
/**
* After the checkout process, fire an event for each item in the order
*
* @param string $order_id Order Id.
*/
public function order_process( $order_id ) {
$order = wc_get_order( $order_id );
$universal_commands = array();
$blogid = Jetpack::get_option( 'id' );
// loop through products in the order and queue a purchase event.
foreach ( $order->get_items() as $order_item_id => $order_item ) {
$product = $order->get_product_from_item( $order_item );
$product_details = $this->get_product_details( $product );
$universal_commands[] = "_wca.push( {
'_en': 'woocommerceanalytics_product_purchase',
'blog_id': '" . esc_js( $blogid ) . "',
'pi': '" . esc_js( $product_details['id'] ) . "',
'pn': '" . esc_js( $product_details['name'] ) . "',
'pc': '" . esc_js( $product_details['category'] ) . "',
'pp': '" . esc_js( $product_details['price'] ) . "',
'pq': '" . esc_js( $order_item->get_quantity() ) . "',
'pt': '" . esc_js( $product_details['type'] ) . "',
'oi': '" . esc_js( $order->get_order_number() ) . "',
'ui': '" . esc_js( $this->get_user_id() ) . "',
} );";
}
wc_enqueue_js( implode( "\r\n", $universal_commands ) );
}
/**
* Listen for clicks on the "Update Cart" button to know if an item has been removed by
* updating its quantity to zero
*/
public function remove_from_cart_via_quantity() {
$blogid = Jetpack::get_option( 'id' );
wc_enqueue_js(
"
jQuery( 'button[name=update_cart]' ).on( 'click', function() {
var cartItems = jQuery( '.cart_item' );
cartItems.each( function( item ) {
var qty = jQuery( this ).find( 'input.qty' );
if ( qty && qty.val() === '0' ) {
var productID = jQuery( this ).find( '.product-remove a' ).data( 'product_id' );
_wca.push( {
'_en': 'woocommerceanalytics_remove_from_cart',
'blog_id': '" . esc_js( $blogid ) . "',
'pi': productID,
'ui': '" . esc_js( $this->get_user_id() ) . "',
} );
}
} );
} );
"
);
}
/**
* Get the current user id
*
* @return int
*/
public function get_user_id() {
if ( is_user_logged_in() ) {
$blogid = Jetpack::get_option( 'id' );
$userid = get_current_user_id();
return $blogid . ':' . $userid;
}
return 'null';
}
/**
* @param $cart_item_key
* @param $product_id
* @param $quantity
* @param $variation_id
* @param $variation
* @param $cart_item_data
*/
public function capture_add_to_cart( $cart_item_key, $product_id, $quantity, $variation_id, $variation, $cart_item_data ) {
$referer_postid = isset( $_SERVER['HTTP_REFERER'] ) ? url_to_postid( $_SERVER['HTTP_REFERER'] ) : 0;
// if the referring post is not a product OR the product being added is not the same as post
// (eg. related product list on single product page) then include a product view event
if ( ! wc_get_product( $referer_postid ) || $product_id != $referer_postid ) {
$this->capture_event_in_session_data( $product_id, $quantity, 'woocommerceanalytics_product_view' );
}
// add cart event to the session data
$this->capture_event_in_session_data( $product_id, $quantity, 'woocommerceanalytics_add_to_cart' );
}
/**
* @param $product_id
* @param $quantity
* @param $event
*/
public function capture_event_in_session_data( $product_id, $quantity, $event ) {
$product = wc_get_product( $product_id );
if ( ! $product ) {
return;
}
$quantity = ( $quantity == 0 ) ? 1 : $quantity;
// check for existing data
if ( is_object( WC()->session ) ) {
$data = WC()->session->get( 'wca_session_data' );
if ( empty( $data ) || ! is_array( $data ) ) {
$data = array();
}
} else {
$data = array();
}
// extract new event data
$new_data = array(
'event' => $event,
'product_id' => (string) $product_id,
'quantity' => (string) $quantity,
);
// append new data
$data[] = $new_data;
WC()->session->set( 'wca_session_data', $data );
}
/**
* Gets product categories or varation attributes as a formatted concatenated string
*
* @param object $product WC_Product.
* @return string
*/
public function get_product_categories_concatenated( $product ) {
if ( ! $product ) {
return '';
}
$variation_data = $product->is_type( 'variation' ) ? wc_get_product_variation_attributes( $product->get_id() ) : '';
if ( is_array( $variation_data ) && ! empty( $variation_data ) ) {
$line = wc_get_formatted_variation( $variation_data, true );
} else {
$out = array();
$categories = get_the_terms( $product->get_id(), 'product_cat' );
if ( $categories ) {
foreach ( $categories as $category ) {
$out[] = $category->name;
}
}
$line = join( '/', $out );
}
return $line;
}
}
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