myCRED Log Menu Items - BuddyPress Addon

/**
 * Setup Navigation
 * @since 0.1
 * @version 1.3
 */
public function setup_nav() {
    global $bp;

    $user_id = bp_displayed_user_id();

    // User is excluded
    if ( $this->core->exclude_user( $user_id ) ) return;

    // If visibility is not set for visitors
    if ( ! is_user_logged_in() && ! $this->buddypress['visibility']['history'] ) return;

    // Admins always see the token history
    if ( ! $this->core->can_edit_plugin() && $this->buddypress['history_location'] != 'top' ) return;

    // Show admins
    if ( $this->core->can_edit_plugin() )
        $show = true;
    else
        $show = $this->buddypress['visibility']['history'];

    // Top Level Nav Item
    $top_name = bp_word_or_name(
        $this->buddypress['history_menu_title']['me'],
        $this->buddypress['history_menu_title']['others'], false, false );

    bp_core_new_nav_item( array(
        'name'                    => $this->core->template_tags_general( $top_name ),
        'slug'                    => 'mycred-history',
        'parent_url'              => $bp->displayed_user->domain,
        'default_subnav_slug'     => 'mycred-history',
        'screen_function'         => array( $this, 'my_history' ),
        'show_for_displayed_user' => $show,
        'position'                => $this->buddypress['history_menu_pos']
    ) );

    // Date Sorting
    $date_sorting = apply_filters( 'mycred_sort_by_time', array(
        ''          => __( 'All', 'mycred' ),
        'today'     => __( 'Today', 'mycred' ),
        'yesterday' => __( 'Yesterday', 'mycred' ),
        'thisweek'  => __( 'This Week', 'mycred' ),
        'thismonth' => __( 'This Month', 'mycred' )
    ) );

    // "All" is default
    bp_core_new_subnav_item( array(
        'name'            => __( 'All', 'mycred' ),
        'slug'            => 'mycred-history',
        'parent_url'      => $bp->displayed_user->domain . $this->buddypress['history_url'] . '/',
        'parent_slug'     => 'mycred-history',
        'screen_function' => array( $this, 'my_history' )
    ) );

    // Loop though and add each filter option as a sub menu item
    if ( !empty( $date_sorting ) ) {
        foreach ( $date_sorting as $sorting_id => $sorting_name ) {
            if ( empty( $sorting_id ) ) continue;

            bp_core_new_subnav_item( array(
                'name'            => $sorting_name,
                'slug'            => $sorting_id,
                'parent_url'      => $bp->displayed_user->domain . $this->buddypress['history_url'] . '/',
                'parent_slug'     => 'mycred-history',
                'screen_function' => array( $this, 'my_history' )
            ) );
        }
    }
}