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|
<?php
/**
* PHP Tracks Client
* @autounit nosara tracks-client
* Example Usage:
*
```php
include( plugin_dir_path( __FILE__ ) . 'lib/tracks/client.php');
$result = jetpack_tracks_record_event( $user, $event_name, $properties );
if ( is_wp_error( $result ) ) {
// Handle the error in your app
}
```
*/
// Load the client classes
require_once( dirname(__FILE__) . '/class.tracks-event.php' );
require_once( dirname(__FILE__) . '/class.tracks-client.php' );
// Now, let's export a sprinkling of syntactic sugar!
/**
* Procedurally (vs. Object-oriented), track an event object (or flat array)
* NOTE: Use this only when the simpler jetpack_tracks_record_event() function won't work for you.
* @param \Jetpack_Tracks_Event $event The event object.
* @return \Jetpack_Tracks_Event|\WP_Error
*/
function jetpack_tracks_record_event_raw( $event ) {
return Jetpack_Tracks_Client::record_event( $event );
}
/**
* Procedurally build a Tracks Event Object.
* NOTE: Use this only when the simpler 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 jetpack_tracks_build_event_obj( $user, $event_name, $properties = array(), $event_timestamp_millis = false ) {
$identity = jetpack_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 jetpack_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 );
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
);
}
/**
* 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 jetpack_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 = jetpack_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();
}
|
GitWeb