WP Tao and Nextend Facebook Connect 2.0.2 integration.

wp-tao-nfc.php

<?php

abstract class MaraleWPTaoNFC {
    public static function pre_user_email_wpfilter( $raw_email ) {
        
        $email = sanitize_email($raw_email);
        
        if ( isset($_REQUEST['loginFacebook']) && $_REQUEST['loginFacebook'] == '1' 
                && !email_exists( $email ) ) {
            
            self::fire_wptao_contact_event( $email, '', 
                    'Rejestracja przez Facebook\'a', 
                    'Nextend Facebook Connect' 
                    ); 
            
            remove_action( 'wp_login', 'wtbp_wptao_event_login_successful_fire', 10 );
        }
        
        return $raw_email;
    }
    
    private static function fire_wptao_contact_event( $email, $title='', $message='', $source='' ) {
        if ( is_admin() || empty( $email ) ) {
          return;
        }

        $user_data = array(
          'email'		 => $email,
          'options'	 => array(
            'allow_no_fingerptint'	 => false,
            'only_not_identified'	 => true
          )
        );

        $args = array(
          'title'		 => __( 'Contact', WTBP_WPTAO_DOMAIN ),
          'value'		 => $email,
          'tags'		 => array( 'wp' ),
          'meta'		 => array(
            'title'		 => $title,
            'message'	 => $message,
            'source'	 => $source
          ),
          'user_data'	 => $user_data
        );

        do_action( 'wptao_track_event', 'contact', $args );
    }
}

add_filter( 'pre_user_email', array( 'MaraleWPTaoNFC', 'pre_user_email_wpfilter' ) );