/**
* does the customer have purchases
* @since 3.8.14
* @access public
* @param string $id
* @return int
*/
function wpsc_customer_has_purchases($id = false)
{
if (!$id) {
$id = wpsc_get_current_customer_id();
}
return wpsc_visitor_has_purchases($id);
}
/**
* Deletes a WPEC visitor
*
* @since 3.8.14
*
* @param int (optional) WPEC visitor id to update
* @param $updates_array array of attributes to update
* @return boolean true if successful
*/
function wpsc_delete_visitor($visitor_id)
{
if (!_wpsc_visitor_database_ready()) {
return false;
}
if (empty($visitor_id) || $visitor_id == WPSC_BOT_VISITOR_ID) {
return false;
}
// initialize row count changed
$result = 0;
$ok_to_delete_visitor = !(wpsc_visitor_has_purchases($visitor_id) && wpsc_visitor_post_count($visitor_id) && wpsc_visitor_comment_count($visitor_id));
if (!$ok_to_delete_visitor) {
wpsc_visitor_remove_expiration($visitor_id);
} else {
global $wpdb;
$ok_to_delete_visitor = apply_filters('wpsc_before_delete_visitor', $ok_to_delete_visitor, $visitor_id);
// we explicitly empty the cart to allow WPEC hooks to run
$cart = wpsc_get_visitor_cart($visitor_id);
$cart->empty_cart();
// Delete all of the visitor meta
$visitor_meta = wpsc_get_visitor_meta($visitor_id);
foreach ($visitor_meta as $visitor_meta_key => $visitor_meta_value) {
wpsc_delete_visitor_meta($visitor_id, $visitor_meta_key);
}
// Delete the visitor record
$result = $wpdb->delete($wpdb->wpsc_visitors, array('id' => $visitor_id));
// if a WordPress user references the visitor being deleted we need to remove the reference
$sql = 'SELECT user_id FROM ' . $wpdb->usermeta . ' WHERE meta_key = "_wpsc_visitor_id" AND meta_value = ' . $visitor_id;
$user_ids = $wpdb->get_col($sql, 0);
foreach ($user_ids as $user_id) {
delete_user_meta($user_id, '_wpsc_visitor_id');
}
do_action('wpsc_after_delete_visitor', $visitor_id);
}
// one row should be updated on success
return $result === 1;
}