285 lines
9.6 KiB
PHP
285 lines
9.6 KiB
PHP
<?php
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/**
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* Google Analytics Integration
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*
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* Allows tracking code to be inserted into store pages.
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*
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* @class WC_Google_Analytics
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* @package WooCommerce
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* @category Integrations
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* @author WooThemes
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*/
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class WC_Google_Analytics extends WC_Integration {
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public function __construct() {
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$this->id = 'google_analytics';
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$this->method_title = __( 'Google Analytics', 'woocommerce' );
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$this->method_description = __( 'Google Analytics is a free service offered by Google that generates detailed statistics about the visitors to a website.', 'woocommerce' );
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// Load the form fields.
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$this->init_form_fields();
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// Load the settings.
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$this->init_settings();
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// Define user set variables
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$this->ga_id = $this->settings['ga_id'];
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$this->ga_standard_tracking_enabled = $this->settings['ga_standard_tracking_enabled'];
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$this->ga_ecommerce_tracking_enabled = $this->settings['ga_ecommerce_tracking_enabled'];
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$this->ga_event_tracking_enabled = $this->settings['ga_event_tracking_enabled'];
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// Actions
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add_action( 'woocommerce_update_options_integration_google_analytics', array( &$this, 'process_admin_options') );
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// Tracking code
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add_action( 'wp_footer', array( &$this, 'google_tracking_code' ) );
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add_action( 'woocommerce_thankyou', array( &$this, 'ecommerce_tracking_code' ) );
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// Event tracking code
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add_action( 'woocommerce_after_add_to_cart_button', array( &$this, 'add_to_cart' ) );
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add_action( 'woocommerce_after_shop_loop', array( &$this, 'loop_add_to_cart' ) );
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}
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/**
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* Initialise Settings Form Fields
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*/
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function init_form_fields() {
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$this->form_fields = array(
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'ga_id' => array(
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'title' => __('Google Analytics ID', 'woocommerce'),
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'description' => __('Log into your google analytics account to find your ID. e.g. <code>UA-XXXXX-X</code>', 'woocommerce'),
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'type' => 'text',
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'default' => get_option('woocommerce_ga_id') // Backwards compat
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),
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'ga_standard_tracking_enabled' => array(
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'title' => __('Tracking code', 'woocommerce'),
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'label' => __('Add tracking code to your site\'s footer. You don\'t need to enable this if using a 3rd party analytics plugin.', 'woocommerce'),
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'type' => 'checkbox',
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'checkboxgroup' => 'start',
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'default' => get_option('woocommerce_ga_standard_tracking_enabled') ? get_option('woocommerce_ga_standard_tracking_enabled') : 'no' // Backwards compat
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),
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'ga_ecommerce_tracking_enabled' => array(
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'label' => __('Add eCommerce tracking code to the thankyou page', 'woocommerce'),
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'type' => 'checkbox',
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'checkboxgroup' => '',
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'default' => get_option('woocommerce_ga_ecommerce_tracking_enabled') ? get_option('woocommerce_ga_ecommerce_tracking_enabled') : 'no' // Backwards compat
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),
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'ga_event_tracking_enabled' => array(
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'label' => __('Add event tracking code for add to cart actions', 'woocommerce'),
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'type' => 'checkbox',
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'checkboxgroup' => 'end',
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'default' => 'no'
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)
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);
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} // End init_form_fields()
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/**
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* Google Analytics standard tracking
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**/
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function google_tracking_code() {
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global $woocommerce;
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if ( is_admin() || current_user_can('manage_options') || $this->ga_standard_tracking_enabled == "no" ) return;
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$tracking_id = $this->ga_id;
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if ( ! $tracking_id ) return;
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$loggedin = ( is_user_logged_in() ) ? 'yes' : 'no';
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if ( is_user_logged_in() ) {
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$user_id = get_current_user_id();
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$current_user = get_user_by('id', $user_id);
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$username = $current_user->user_login;
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} else {
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$user_id = '';
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$username = __('Guest', 'woocommerce');
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}
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$woocommerce->add_inline_js("
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var _gaq = _gaq || [];
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_gaq.push(
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['_setAccount', '" . $tracking_id . "'],
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['_setCustomVar', 1, 'logged-in', '" . $loggedin . "', 1],
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['_setCustomVar', 2, 'user-id', '" . $user_id . "', 1],
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['_setCustomVar', 3, 'username', '" . $username . "', 1],
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['_trackPageview']
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);
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(function() {
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var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
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ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
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var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
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})();
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");
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}
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/**
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* Google Analytics eCommerce tracking
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**/
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function ecommerce_tracking_code( $order_id ) {
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global $woocommerce;
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if ( is_admin() || current_user_can('manage_options') || $this->ga_ecommerce_tracking_enabled == "no" ) return;
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$tracking_id = $this->ga_id;
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if ( ! $tracking_id ) return;
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// Doing eCommerce tracking so unhook standard tracking from the footer
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remove_action('wp_footer', array( &$this, 'google_tracking_code' ) );
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// Get the order and output tracking code
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$order = new WC_Order($order_id);
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$loggedin = (is_user_logged_in()) ? 'yes' : 'no';
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if (is_user_logged_in()) {
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$user_id = get_current_user_id();
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$current_user = get_user_by('id', $user_id);
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$username = $current_user->user_login;
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} else {
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$user_id = '';
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$username = __('Guest', 'woocommerce');
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}
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$code = "
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var _gaq = _gaq || [];
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_gaq.push(
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['_setAccount', '" . $tracking_id . "'],
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['_setCustomVar', 1, 'logged-in', '" . $loggedin . "', 1],
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['_setCustomVar', 2, 'user-id', '" . $user_id . "', 1],
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['_setCustomVar', 3, 'username', '" . $username . "', 1],
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['_trackPageview']
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);
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_gaq.push(['_addTrans',
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'" . $order_id . "', // order ID - required
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'" . get_bloginfo( 'name' ) . "', // affiliation or store name
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'" . $order->order_total . "', // total - required
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'" . $order->get_total_tax() . "', // tax
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'" . $order->get_shipping() . "', // shipping
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'" . $order->billing_city . "', // city
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'" . $order->billing_state . "', // state or province
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'" . $order->billing_country . "' // country
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]);
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";
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// Order items
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if ( $order->get_items() ) {
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foreach ( $order->get_items() as $item ) {
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$_product = $order->get_product_from_item( $item );
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$code .= "_gaq.push(['_addItem',";
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$code .= "'" . $order_id . "',";
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$code .= "'" . ( ( ! empty( $_product->sku ) ) ? __('SKU:', 'woocommerce') . ' ' . $_product->sku : $_product->id ) . "',";
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$code .= "'" . $item['name'] . "',";
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if ( isset( $_product->variation_data ) ) {
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$code .= "'" . woocommerce_get_formatted_variation( $_product->variation_data, true ) . "',";
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} else {
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$out = array();
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$categories = get_the_terms($_product->id, 'product_cat');
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if ( $categories ) {
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foreach ( $categories as $category ){
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$out[] = $category->name;
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}
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}
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$code .= "'" . join( "/", $out) . "',";
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}
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$code .= "'" . ( $item['line_total'] / $item['qty'] ) . "',";
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$code .= "'" . $item['qty'] . "'";
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$code .= "]);";
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}
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}
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$code .= "
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_gaq.push(['_trackTrans']); // submits transaction to the Analytics servers
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(function() {
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var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
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ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
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var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
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})();
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";
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$woocommerce->add_inline_js( $code );
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}
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/**
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* Google Analytics event tracking for single product add to cart
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*
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**/
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function add_to_cart() {
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if ( $this->disable_tracking( $this->ga_event_tracking_enabled ) ) return;
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if ( ! is_single() ) return;
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global $product;
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$parameters = array();
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// Add single quotes to allow jQuery to be substituted into _trackEvent parameters
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$parameters['category'] = "'" . __( 'Products', 'woocommerce' ) . "'";
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$parameters['action'] = "'" . __( 'Add to Cart', 'woocommerce' ) . "'";
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$parameters['label'] = "'#" . esc_js( $product->id ) . "'";
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$this->event_tracking_code( $parameters, '.single_add_to_cart_button' );
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}
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/**
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* Google Analytics event tracking for loop add to cart
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*
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**/
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function loop_add_to_cart() {
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if ( $this->disable_tracking( $this->ga_event_tracking_enabled ) ) return;
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$parameters = array();
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// Add single quotes to allow jQuery to be substituted into _trackEvent parameters
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$parameters['category'] = "'" . __( 'Products', 'woocommerce' ) . "'";
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$parameters['action'] = "'" . __( 'Add to Cart', 'woocommerce' ) . "'";
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$parameters['label'] = "'#' + $(this).attr('data-product_id')"; // Product ID
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$this->event_tracking_code( $parameters, '.add_to_cart_button' );
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}
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/**
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* Google Analytics event tracking for loop add to cart
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*
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* @param array $parameters - associative array of _trackEvent parameters
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* @param string $selector - jQuery selector for binding click event
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**/
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private function event_tracking_code( $parameters, $selector ) {
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global $woocommerce;
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$parameters = apply_filters( 'woocommerce_ga_event_tracking_parameters', $parameters );
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$woocommerce->add_inline_js("
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$('" . $selector . "').click(function() {
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" . sprintf( "_gaq.push(['_trackEvent', %s, %s, %s]);", $parameters['category'], $parameters['action'], $parameters['label'] ) . "
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});
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");
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}
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private function disable_tracking( $type ) {
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if( is_admin() || current_user_can( 'manage_options' ) || ( ! $this->ga_id ) || 'no' == $type ) return true;
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}
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}
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/**
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* Add the integration to WooCommerce
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**/
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function add_google_analytics_integration( $integrations ) {
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$integrations[] = 'WC_Google_Analytics'; return $integrations;
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}
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add_filter('woocommerce_integrations', 'add_google_analytics_integration' );
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