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<?php
/**
* Kkart Page Functions
*
* Functions related to pages and menus.
*
* @package Kkart\Functions
* @version 2.6.0
*/
defined( 'ABSPATH' ) || exit;
/**
* Replace a page title with the endpoint title.
*
* @param string $title Post title.
* @return string
*/
function kkart_page_endpoint_title( $title ) {
global $wp_query;
if ( ! is_null( $wp_query ) && ! is_admin() && is_main_query() && in_the_loop() && is_page() && is_kkart_endpoint_url() ) {
$endpoint = KKART()->query->get_current_endpoint();
$action = isset( $_GET['action'] ) ? sanitize_text_field( wp_unslash( $_GET['action'] ) ) : '';
$endpoint_title = KKART()->query->get_endpoint_title( $endpoint, $action );
$title = $endpoint_title ? $endpoint_title : $title;
remove_filter( 'the_title', 'kkart_page_endpoint_title' );
}
return $title;
}
add_filter( 'the_title', 'kkart_page_endpoint_title' );
/**
* Retrieve page ids - used for myaccount, edit_address, shop, cart, checkout, pay, view_order, terms. returns -1 if no page is found.
*
* @param string $page Page slug.
* @return int
*/
function kkart_get_page_id( $page ) {
if ( 'pay' === $page || 'thanks' === $page ) {
kkart_deprecated_argument( __FUNCTION__, '2.1', 'The "pay" and "thanks" pages are no-longer used - an endpoint is added to the checkout instead. To get a valid link use the KKART_Order::get_checkout_payment_url() or KKART_Order::get_checkout_order_received_url() methods instead.' );
$page = 'checkout';
}
if ( 'change_password' === $page || 'edit_address' === $page || 'lost_password' === $page ) {
kkart_deprecated_argument( __FUNCTION__, '2.1', 'The "change_password", "edit_address" and "lost_password" pages are no-longer used - an endpoint is added to the my-account instead. To get a valid link use the kkart_customer_edit_account_url() function instead.' );
$page = 'myaccount';
}
$page = apply_filters( 'kkart_get_' . $page . '_page_id', get_option( 'kkart_' . $page . '_page_id' ) );
return $page ? absint( $page ) : -1;
}
/**
* Retrieve page permalink.
*
* @param string $page page slug.
* @param string|bool $fallback Fallback URL if page is not set. Defaults to home URL. @since 3.4.0.
* @return string
*/
function kkart_get_page_permalink( $page, $fallback = null ) {
$page_id = kkart_get_page_id( $page );
$permalink = 0 < $page_id ? get_permalink( $page_id ) : '';
if ( ! $permalink ) {
$permalink = is_null( $fallback ) ? get_home_url() : $fallback;
}
return apply_filters( 'kkart_get_' . $page . '_page_permalink', $permalink );
}
/**
* Get endpoint URL.
*
* Gets the URL for an endpoint, which varies depending on permalink settings.
*
* @param string $endpoint Endpoint slug.
* @param string $value Query param value.
* @param string $permalink Permalink.
*
* @return string
*/
function kkart_get_endpoint_url( $endpoint, $value = '', $permalink = '' ) {
if ( ! $permalink ) {
$permalink = get_permalink();
}
// Map endpoint to options.
$query_vars = KKART()->query->get_query_vars();
$endpoint = ! empty( $query_vars[ $endpoint ] ) ? $query_vars[ $endpoint ] : $endpoint;
$value = ( get_option( 'kkart_myaccount_edit_address_endpoint', 'edit-address' ) === $endpoint ) ? kkart_edit_address_i18n( $value ) : $value;
if ( get_option( 'permalink_structure' ) ) {
if ( strstr( $permalink, '?' ) ) {
$query_string = '?' . wp_parse_url( $permalink, PHP_URL_QUERY );
$permalink = current( explode( '?', $permalink ) );
} else {
$query_string = '';
}
$url = trailingslashit( $permalink );
if ( $value ) {
$url .= trailingslashit( $endpoint ) . user_trailingslashit( $value );
} else {
$url .= user_trailingslashit( $endpoint );
}
$url .= $query_string;
} else {
$url = add_query_arg( $endpoint, $value, $permalink );
}
return apply_filters( 'kkart_get_endpoint_url', $url, $endpoint, $value, $permalink );
}
/**
* Hide menu items conditionally.
*
* @param array $items Navigation items.
* @return array
*/
function kkart_nav_menu_items( $items ) {
if ( ! is_user_logged_in() ) {
$customer_logout = get_option( 'kkart_logout_endpoint', 'customer-logout' );
if ( ! empty( $customer_logout ) && ! empty( $items ) && is_array( $items ) ) {
foreach ( $items as $key => $item ) {
if ( empty( $item->url ) ) {
continue;
}
$path = wp_parse_url( $item->url, PHP_URL_PATH );
$query = wp_parse_url( $item->url, PHP_URL_QUERY );
if ( strstr( $path, $customer_logout ) || strstr( $query, $customer_logout ) ) {
unset( $items[ $key ] );
}
}
}
}
return $items;
}
add_filter( 'wp_nav_menu_objects', 'kkart_nav_menu_items', 10 );
/**
* Fix active class in nav for shop page.
*
* @param array $menu_items Menu items.
* @return array
*/
function kkart_nav_menu_item_classes( $menu_items ) {
if ( ! is_kkart() ) {
return $menu_items;
}
$shop_page = kkart_get_page_id( 'shop' );
$page_for_posts = (int) get_option( 'page_for_posts' );
if ( ! empty( $menu_items ) && is_array( $menu_items ) ) {
foreach ( $menu_items as $key => $menu_item ) {
$classes = (array) $menu_item->classes;
$menu_id = (int) $menu_item->object_id;
// Unset active class for blog page.
if ( $page_for_posts === $menu_id ) {
$menu_items[ $key ]->current = false;
if ( in_array( 'current_page_parent', $classes, true ) ) {
unset( $classes[ array_search( 'current_page_parent', $classes, true ) ] );
}
if ( in_array( 'current-menu-item', $classes, true ) ) {
unset( $classes[ array_search( 'current-menu-item', $classes, true ) ] );
}
} elseif ( is_shop() && $shop_page === $menu_id && 'page' === $menu_item->object ) {
// Set active state if this is the shop page link.
$menu_items[ $key ]->current = true;
$classes[] = 'current-menu-item';
$classes[] = 'current_page_item';
} elseif ( is_singular( 'product' ) && $shop_page === $menu_id ) {
// Set parent state if this is a product page.
$classes[] = 'current_page_parent';
}
$menu_items[ $key ]->classes = array_unique( $classes );
}
}
return $menu_items;
}
add_filter( 'wp_nav_menu_objects', 'kkart_nav_menu_item_classes', 2 );
/**
* Fix active class in wp_list_pages for shop page.
*
* See details in https://github.com/kkart/kkart/issues/177.
*
* @param string $pages Pages list.
* @return string
*/
function kkart_list_pages( $pages ) {
if ( ! is_kkart() ) {
return $pages;
}
// Remove current_page_parent class from any item.
$pages = str_replace( 'current_page_parent', '', $pages );
// Find shop_page_id through kkart options.
$shop_page = 'page-item-' . kkart_get_page_id( 'shop' );
if ( is_shop() ) {
// Add current_page_item class to shop page.
return str_replace( $shop_page, $shop_page . ' current_page_item', $pages );
}
// Add current_page_parent class to shop page.
return str_replace( $shop_page, $shop_page . ' current_page_parent', $pages );
}
add_filter( 'wp_list_pages', 'kkart_list_pages' );