bp privacy

<?php
/**
 * Plugin Name: BuddyPress Profile Privacy
 * Plugin URI:  http://buddypress.org
 * Description: Basic profile privacy for BuddyPress
 * Author:      modemlooper
 * Version:     1.0
 * Author URI:  http://modemlooper.me
 */

// Exit if accessed directly
if ( !defined( 'ABSPATH' ) ) exit;

// ------- Check if member is a friend  ------------- code snippet by @pollyplummer //
function bp_displayed_user_is_friend() {
    global $bp;
    if ( bp_is_profile_component() || bp_is_member() ) {
    if ( ('is_friend' != BP_Friends_Friendship::check_is_friend( $bp->loggedin_user->id, $bp->displayed_user->id )) && (bp_loggedin_user_id() != bp_displayed_user_id()) && get_user_meta($bp->displayed_user->id, 'bp-profile-privacy') != '1' )
    if ( !is_super_admin( bp_loggedin_user_id() ) )
    return true;
    }
}


function bp_setup_privacy_nav() {
    global $bp;

        /* Add a nav item for this component under the settings nav item. See bp_example_screen_settings_menu() for more info */
    bp_core_new_subnav_item( array(
        'name' => __( 'Privacy', 'buddypress' ),
        'slug' => 'privacy',
        'parent_slug' => $bp->settings->slug,
        'parent_url' => $bp->loggedin_user->domain . $bp->settings->slug . '/',
        'screen_function' => 'bp_privacy_screen_settings_menu',
        'position' => 40,
        'user_has_access' => bp_is_my_profile() // Only the logged in user can access this on his/her profile
    ) );
}
add_action( 'bp_setup_nav', 'bp_setup_privacy_nav' );


function bp_privacy_screen_settings_menu() {

    global $bp, $current_user, $bp_settings_updated, $pass_error;


        if ( isset( $_POST['submit'] )) {
            if (isset($_POST['bp-profile-privacy'])) {
            update_user_meta($bp->loggedin_user->id, 'bp-profile-privacy', '1');
            } else {
            update_user_meta($bp->loggedin_user->id, 'bp-profile-privacy', '0');
            }
        bp_core_add_message( 'Settings updated!' );
        bp_core_redirect( bp_displayed_user_domain() . $bp->settings->slug . '/privacy' );

        }


    add_action( 'bp_template_content', 'bp_privacy_screen_settings_menu_content' );

    bp_core_load_template( apply_filters( 'bp_core_template_plugin', 'members/single/plugins' ) );

}



function bp_privacy_screen_settings_menu_content() {

    global $bp;

?>

    <form action="" method="post" id="standard-form" name="settings-form">
            <h5><input name="bp-profile-privacy" type="checkbox" id="bp-profile-privacy" value="1" <?php if (get_user_meta($bp->displayed_user->id, 'bp-profile-privacy',1) == '1') echo 'checked="checked"' ?> tabindex="99" /> check to only show profile to friends</h5>
            <div class="submit" style="margin-top:10px;">
            <input type="submit" name="submit" id="submit" value="<?php _e( 'Save Changes', 'buddypress' ); ?>" />
            </div>
    </form>
<?php

}
?>