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<?php
/**
* Nosara Tracks for Jetpack
*
* @package automattic/jetpack-tracking
*/
namespace Automattic\Jetpack;
/**
* The Tracking class, used to record events in wpcom
*/
class Tracking {
private $product_name;
private $connection;
/**
* Creates the Tracking object.
*
* @param String $product_name the slug of the product that we are tracking.
* @param Automattic\Jetpack\Connection\Manager $connection the connection manager object.
*/
function __construct( $product_name = 'jetpack', $connection = null ) {
$this->product_name = $product_name;
$this->connection = $connection;
if ( is_null( $this->connection ) ) {
// TODO We should always pass a Connection.
$this->connection = new Connection\Manager();
}
}
function enqueue_tracks_scripts() {
wp_enqueue_script( 'jptracks', plugins_url( '_inc/lib/tracks/tracks-ajax.js', JETPACK__PLUGIN_FILE ), array(), JETPACK__VERSION, true );
wp_localize_script(
'jptracks',
'jpTracksAJAX',
array(
'ajaxurl' => admin_url( 'admin-ajax.php' ),
'jpTracksAJAX_nonce' => wp_create_nonce( 'jp-tracks-ajax-nonce' ),
)
);
}
function record_user_event( $event_type, $data = array(), $user = null ) {
if ( ! $user ) {
$user = wp_get_current_user();
}
$site_url = get_option( 'siteurl' );
$data['_via_ua'] = isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : '';
$data['_via_ip'] = isset( $_SERVER['REMOTE_ADDR'] ) ? $_SERVER['REMOTE_ADDR'] : '';
$data['_lg'] = isset( $_SERVER['HTTP_ACCEPT_LANGUAGE'] ) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : '';
$data['blog_url'] = $site_url;
$data['blog_id'] = \Jetpack_Options::get_option( 'id' );
// Top level events should not be namespaced
if ( '_aliasUser' != $event_type ) {
$event_type = $this->product_name . '_' . $event_type;
}
$data['jetpack_version'] = defined( 'JETPACK__VERSION' ) ? JETPACK__VERSION : '0';
return $this->tracks_record_event( $user, $event_type, $data );
}
/**
* Record an event in Tracks - this is the preferred way to record events from PHP.
*
* @param mixed $identity username, user_id, or 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 bool true for success | \WP_Error if the event pixel could not be fired
*/
function tracks_record_event( $user, $event_name, $properties = array(), $event_timestamp_millis = false ) {
// We don't want to track user events during unit tests/CI runs.
if ( $user instanceof \WP_User && 'wptests_capabilities' === $user->cap_key ) {
return false;
}
$event_obj = $this->tracks_build_event_obj( $user, $event_name, $properties, $event_timestamp_millis );
if ( is_wp_error( $event_obj->error ) ) {
return $event_obj->error;
}
return $event_obj->record();
}
/**
* Procedurally build a Tracks Event Object.
* NOTE: Use this only when the simpler Automattic\Jetpack\Tracking->jetpack_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 \Jetpack_Tracks_Event|\WP_Error
*/
function tracks_build_event_obj( $user, $event_name, $properties = array(), $event_timestamp_millis = false ) {
$identity = $this->tracks_get_identity( $user->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 \Jetpack_Tracks_Event(
array_merge(
$blog_details,
(array) $properties,
$identity,
array(
'_en' => $event_name,
'_ts' => $timestamp_string,
)
)
);
}
/**
* Get the identity to send to tracks.
*
* @param int $user_id The user id of the local user
*
* @return array $identity
*/
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 && $this->connection->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 ( $this->connection->is_user_connected( $user_id ) ) {
$wpcom_user_data = $this->connection->get_connected_user_data( $user_id );
update_user_meta( $user_id, 'jetpack_tracks_wpcom_id', $wpcom_user_data['ID'] );
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 = \Jetpack_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,
);
}
}
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