woocommerce/classes/integrations/google-analytics/class-wc-google-analytics.php

207 lines
7.4 KiB
PHP

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