/**
* Procedurally build a Tracks Event Object.
* NOTE: Use this only when the simpler tracks_record_event() function won't work for you.
* @param $identity WP_user object
* @param string $event_name The name of the event
* @param array $properties Custom properties to send with the event
* @param int $event_timestamp_millis The time in millis since 1970-01-01 00:00:00 when the event occurred
* @return \Tracks_Event|\WP_Error
*/
function tracks_build_event_obj($user, $event_name, $properties = array(), $event_timestamp_millis = false)
{
$anon_id = get_user_meta($user->ID, 'jpo_tracks_anon_id', true);
if (!$anon_id) {
$anon_id = Tracks_Client::get_anon_id();
add_user_meta($user->ID, 'jpo_tracks_anon_id', $anon_id, false);
}
if (!isset($_COOKIE['tk_ai']) && !headers_sent()) {
setcookie('tk_ai', $anon_id);
}
$identity = array('_ut' => 'anon', '_ui' => $anon_id);
$properties['user_lang'] = $user->get('WPLANG');
$blog_details = array('blog_lang' => isset($properties['blog_lang']) ? $properties['blog_lang'] : get_bloginfo('language'));
$timestamp = $event_timestamp_millis !== false ? $event_timestamp_millis : round(microtime(true) * 1000);
$timestamp_string = is_string($timestamp) ? $timestamp : number_format($timestamp, 0, '', '');
return new Tracks_Event(array_merge($blog_details, (array) $properties, $identity, array('_en' => $event_name, '_ts' => $timestamp_string)));
}
/**
* Annotate the event with all relevant info.
* @param mixed $event Object or (flat) array
* @return mixed The transformed event array or WP_Error on failure.
*/
static function validate_and_sanitize($event)
{
$event = (object) $event;
// Required
if (!$event->_en) {
return new WP_Error('invalid_event', 'A valid event must be specified via `_en`', 400);
}
// delete non-routable addresses otherwise geoip will discard the record entirely
if (property_exists($event, '_via_ip') && preg_match('/^192\\.168|^10\\./', $event->_via_ip)) {
unset($event->_via_ip);
}
$validated = array('browser_type' => Tracks_Client::BROWSER_TYPE, '_aua' => Tracks_Client::get_user_agent());
$_event = (object) array_merge((array) $event, $validated);
// If you want to blacklist property names, do it here.
// Make sure we have an event timestamp.
if (!isset($_event->_ts)) {
$_event->_ts = Tracks_Client::build_timestamp();
}
return $_event;
}
function tracks_get_identity($user_id)
{
// Meta is set, and user is still connected. Use WPCOM ID
$wpcom_id = get_user_meta($user_id, 'jetpack_tracks_wpcom_id', true);
if ($wpcom_id && Jetpack::is_user_connected($user_id)) {
return array('_ut' => 'wpcom:user_id', '_ui' => $wpcom_id);
}
// User is connected, but no meta is set yet. Use WPCOM ID and set meta.
if (Jetpack::is_user_connected($user_id)) {
$wpcom_user_data = Jetpack::get_connected_user_data($user_id);
add_user_meta($user_id, 'jetpack_tracks_wpcom_id', $wpcom_user_data['ID'], true);
return array('_ut' => 'wpcom:user_id', '_ui' => $wpcom_user_data['ID']);
}
// User isn't linked at all. Fall back to anonymous ID.
$anon_id = get_user_meta($user_id, 'jetpack_tracks_anon_id', true);
if (!$anon_id) {
$anon_id = Tracks_Client::get_anon_id();
add_user_meta($user_id, 'jetpack_tracks_anon_id', $anon_id, false);
}
if (!isset($_COOKIE['tk_ai']) && !headers_sent()) {
setcookie('tk_ai', $anon_id);
}
return array('_ut' => 'anon', '_ui' => $anon_id);
}