Add KLEO Portfolio Item to BP Activity Stream

function webinars_activity_args() {
    if ( ! bp_is_active( 'activity' ) ) {
        return;
    }

    add_post_type_support( 'webinars', 'buddypress-activity' );

    bp_activity_set_post_type_tracking_args( 'webinars', array(
        'component_id'             => 'activity',
        'action_id'                => 'new_webinars',
            'bp_activity_admin_filter' => __( 'Published a new Webinar', 'text-domain' ),
            'bp_activity_front_filter' => __( 'Webinar', 'text-domain' ),
            'contexts'                 => array( 'activity', 'member' ),
            'activity_comment'         => true,
            'bp_activity_new_post'     => __( '%1$s posted a new Webinar: <a href="%2$s">[Webinar]</a>', 'text-domain' ),
            'bp_activity_new_post_ms'  => __( '%1$s posted a new Webinar: <a href="%2$s">[Webinar]</a>, on the site %3$s', 'text-domain' ),
            'position'                 => 100,
        ) );
}
add_action( 'init', 'webinars_activity_args' );


function webinars_include_post_type_title( $action, $activity ) {
    if ( empty( $activity->id ) ) {
        return $action;
    }

    if ( 'new_webinars' != $activity->type ) {
        return $action;
    }

    preg_match_all( '/<a.*?>([^>]*)<\/a>/', $action, $matches );

    if ( empty( $matches[1][1] ) || '[Webinars]' != $matches[1][1] ) {
        return $action;
    }

    $post_type_title = bp_activity_get_meta( $activity->id, 'post_title' );

    if ( empty( $post_type_title ) ) {

        switch_to_blog( $activity->item_id );

        $post_type_title = get_post_field( 'post_title', $activity->secondary_item_id );

        // We have a title save it in activity meta to avoid switching blogs too much
        if ( ! empty( $post_type_title ) ) {
            bp_activity_update_meta( $activity->id, 'post_title', $post_type_title );
        }

        restore_current_blog();
    }

    return str_replace( $matches[1][1], esc_html( $post_type_title ), $action );
}
add_filter( 'bp_activity_custom_post_type_post_action', 'webinars_include_post_type_title', 10, 2 );