/**
* Get current customer ID.
*
* If the user is logged in, return the user ID. Otherwise return the ID associated
* with the customer's cookie.
*
* Implement your own system by hooking into 'wpsc_get_current_customer_id' filter.
*
* @access public
* @since 3.8.9
* @return mixed User ID (if logged in) or customer cookie ID
*/
function wpsc_get_current_customer_id($visitor_id_to_set = false)
{
$id = apply_filters('wpsc_get_current_customer_id', null);
if (!empty($id)) {
return $id;
}
// once we determine the current customer id it will remain in effect for
// the remainder of the current request. This helps performance, but also
// makes it possible to manipulate the visitor database and cookie without
// causing code dependent on the valid visitor id to fail. It's probably
// also a security benefit to not allow the current user to be changed
// midway through the HTTP request processing
static $visitor_id = false;
if ($visitor_id_to_set) {
$visitor_id = $visitor_id_to_set;
}
if ($visitor_id !== false) {
return $visitor_id;
}
if (_wpsc_is_bot_user()) {
$visitor_id = WPSC_BOT_VISITOR_ID;
}
if (!$visitor_id && is_user_logged_in()) {
// if the user is logged in we use the user id
$visitor_id = _wpsc_get_wp_user_visitor_id();
if ($visitor_id == WPSC_BOT_VISITOR_ID) {
// it is not allowed to have the bot visitor id
$visitor_id = false;
}
}
if (!$visitor_id && isset($_COOKIE[WPSC_CUSTOMER_COOKIE])) {
list($id, $expire, $hash) = explode('|', $_COOKIE[WPSC_CUSTOMER_COOKIE]);
$visitor_id = $id;
}
// get the last active time to validate the visitor exists
if (!($visitor_id && wpsc_get_visitor_last_active($visitor_id))) {
$visitor_id = _wpsc_create_customer_id();
}
return $visitor_id;
}
/**
* Create a new visitor account for the current visitor and store its ID
* in a cookie
*
* @access public
* @since 3.8.9
* @return string Customer ID
*/
function _wpsc_create_customer_id()
{
// only allow one customer id per request
static $customer_id = false;
if ($customer_id) {
return $customer_id;
}
do_action('_wpsc_create_customer_id');
if (_wpsc_is_bot_user()) {
$customer_id = WPSC_BOT_VISITOR_ID;
wpsc_get_current_customer_id($customer_id);
} else {
$fake_setting_cookie = false;
$args = array();
if (is_user_logged_in()) {
$args['user_id'] = get_current_user_id();
}
$customer_id = wpsc_create_visitor($args);
if (!$customer_id) {
// can't create a new visitor, just use the BOT visitor id
$customer_id = WPSC_BOT_VISITOR_ID;
$fake_setting_cookie = true;
}
wpsc_get_current_customer_id($customer_id);
_wpsc_create_customer_id_cookie($customer_id, $fake_setting_cookie);
do_action('wpsc_create_customer', $customer_id);
}
return $customer_id;
}
/**
* Create a new visitor account for the current visitor and store its ID
* in a cookie
*
* @access public
* @since 3.8.9
* @return string Customer ID
*/
function _wpsc_create_customer_id()
{
do_action('_wpsc_create_customer_id');
if (_wpsc_is_bot_user()) {
$visitor_id = WPSC_BOT_VISITOR_ID;
wpsc_get_current_customer_id($visitor_id);
$fake_setting_cookie = true;
} else {
$fake_setting_cookie = false;
$args = array();
if (is_user_logged_in()) {
$args['user_id'] = get_current_user_id();
}
$visitor_id = wpsc_create_visitor($args);
if ($visitor_id === false) {
// can't create a new visitor, just use the BOT visitor id
$visitor_id = WPSC_BOT_VISITOR_ID;
$fake_setting_cookie = true;
}
wpsc_get_current_customer_id($visitor_id);
_wpsc_create_customer_id_cookie($visitor_id, $fake_setting_cookie);
do_action('wpsc_create_customer', $visitor_id);
}
return $visitor_id;
}
