495 lines
16 KiB
PHP
495 lines
16 KiB
PHP
<?php
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/**
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* WooCommerce Cart Functions
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*
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* Functions for cart specific things.
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*
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* @package WooCommerce/Functions
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* @version 2.5.0
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*/
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defined( 'ABSPATH' ) || exit;
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/**
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* Prevent password protected products being added to the cart.
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*
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* @param bool $passed Validation.
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* @param int $product_id Product ID.
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* @return bool
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*/
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function wc_protected_product_add_to_cart( $passed, $product_id ) {
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if ( post_password_required( $product_id ) ) {
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$passed = false;
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wc_add_notice( __( 'This product is protected and cannot be purchased.', 'woocommerce' ), 'error' );
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}
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return $passed;
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}
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add_filter( 'woocommerce_add_to_cart_validation', 'wc_protected_product_add_to_cart', 10, 2 );
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/**
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* Clears the cart session when called.
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*/
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function wc_empty_cart() {
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if ( ! isset( WC()->cart ) || '' === WC()->cart ) {
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WC()->cart = new WC_Cart();
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}
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WC()->cart->empty_cart( false );
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}
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/**
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* Load the persistent cart.
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*
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* @param string $user_login User login.
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* @param WP_User $user User data.
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* @deprecated 2.3
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*/
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function wc_load_persistent_cart( $user_login, $user ) {
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if ( ! $user || ! apply_filters( 'woocommerce_persistent_cart_enabled', true ) ) {
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return;
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}
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$saved_cart = get_user_meta( $user->ID, '_woocommerce_persistent_cart_' . get_current_blog_id(), true );
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if ( ! $saved_cart ) {
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return;
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}
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$cart = WC()->session->cart;
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if ( empty( $cart ) || ! is_array( $cart ) || 0 === count( $cart ) ) {
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WC()->session->cart = $saved_cart['cart'];
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}
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}
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/**
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* Retrieves unvalidated referer from '_wp_http_referer' or HTTP referer.
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*
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* Do not use for redirects, use {@see wp_get_referer()} instead.
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*
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* @since 2.6.1
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* @return string|false Referer URL on success, false on failure.
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*/
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function wc_get_raw_referer() {
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if ( function_exists( 'wp_get_raw_referer' ) ) {
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return wp_get_raw_referer();
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}
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if ( ! empty( $_REQUEST['_wp_http_referer'] ) ) { // WPCS: input var ok, CSRF ok.
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return wp_unslash( $_REQUEST['_wp_http_referer'] ); // WPCS: input var ok, CSRF ok, sanitization ok.
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} elseif ( ! empty( $_SERVER['HTTP_REFERER'] ) ) { // WPCS: input var ok, CSRF ok.
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return wp_unslash( $_SERVER['HTTP_REFERER'] ); // WPCS: input var ok, CSRF ok, sanitization ok.
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}
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return false;
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}
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/**
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* Add to cart messages.
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*
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* @param int|array $products Product ID list or single product ID.
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* @param bool $show_qty Should qty's be shown? Added in 2.6.0.
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* @param bool $return Return message rather than add it.
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*
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* @return mixed
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*/
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function wc_add_to_cart_message( $products, $show_qty = false, $return = false ) {
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$titles = array();
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$count = 0;
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if ( ! is_array( $products ) ) {
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$products = array( $products => 1 );
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$show_qty = false;
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}
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if ( ! $show_qty ) {
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$products = array_fill_keys( array_keys( $products ), 1 );
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}
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foreach ( $products as $product_id => $qty ) {
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/* translators: %s: product name */
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$titles[] = ( $qty > 1 ? absint( $qty ) . ' × ' : '' ) . apply_filters( 'woocommerce_add_to_cart_item_name_in_quotes', sprintf( _x( '“%s”', 'Item name in quotes', 'woocommerce' ), strip_tags( get_the_title( $product_id ) ) ), $product_id );
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$count += $qty;
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}
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$titles = array_filter( $titles );
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/* translators: %s: product name */
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$added_text = sprintf( _n( '%s has been added to your cart.', '%s have been added to your cart.', $count, 'woocommerce' ), wc_format_list_of_items( $titles ) );
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// Output success messages.
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if ( 'yes' === get_option( 'woocommerce_cart_redirect_after_add' ) ) {
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$return_to = apply_filters( 'woocommerce_continue_shopping_redirect', wc_get_raw_referer() ? wp_validate_redirect( wc_get_raw_referer(), false ) : wc_get_page_permalink( 'shop' ) );
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$message = sprintf( '<a href="%s" tabindex="1" class="button wc-forward">%s</a> %s', esc_url( $return_to ), esc_html__( 'Continue shopping', 'woocommerce' ), esc_html( $added_text ) );
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} else {
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$message = sprintf( '<a href="%s" tabindex="1" class="button wc-forward">%s</a> %s', esc_url( wc_get_page_permalink( 'cart' ) ), esc_html__( 'View cart', 'woocommerce' ), esc_html( $added_text ) );
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}
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if ( has_filter( 'wc_add_to_cart_message' ) ) {
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wc_deprecated_function( 'The wc_add_to_cart_message filter', '3.0', 'wc_add_to_cart_message_html' );
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$message = apply_filters( 'wc_add_to_cart_message', $message, $product_id );
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}
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$message = apply_filters( 'wc_add_to_cart_message_html', $message, $products, $show_qty );
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if ( $return ) {
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return $message;
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} else {
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wc_add_notice( $message );
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}
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}
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/**
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* Comma separate a list of item names, and replace final comma with 'and'.
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*
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* @param array $items Cart items.
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* @return string
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*/
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function wc_format_list_of_items( $items ) {
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$item_string = '';
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foreach ( $items as $key => $item ) {
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$item_string .= $item;
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if ( count( $items ) === $key + 2 ) {
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$item_string .= ' ' . __( 'and', 'woocommerce' ) . ' ';
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} elseif ( count( $items ) !== $key + 1 ) {
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$item_string .= ', ';
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}
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}
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return $item_string;
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}
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/**
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* Clear cart after payment.
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*/
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function wc_clear_cart_after_payment() {
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global $wp;
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if ( ! empty( $wp->query_vars['order-received'] ) ) {
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$order_id = absint( $wp->query_vars['order-received'] );
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$order_key = isset( $_GET['key'] ) ? wc_clean( wp_unslash( $_GET['key'] ) ) : ''; // WPCS: input var ok, CSRF ok.
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if ( $order_id > 0 ) {
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$order = wc_get_order( $order_id );
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if ( $order && $order->get_order_key() === $order_key ) {
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WC()->cart->empty_cart();
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}
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}
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}
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if ( WC()->session->order_awaiting_payment > 0 ) {
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$order = wc_get_order( WC()->session->order_awaiting_payment );
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if ( $order && $order->get_id() > 0 ) {
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// If the order has not failed, or is not pending, the order must have gone through.
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if ( ! $order->has_status( array( 'failed', 'pending', 'cancelled' ) ) ) {
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WC()->cart->empty_cart();
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}
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}
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}
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}
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add_action( 'get_header', 'wc_clear_cart_after_payment' );
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/**
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* Get the subtotal.
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*/
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function wc_cart_totals_subtotal_html() {
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echo WC()->cart->get_cart_subtotal(); // WPCS: XSS ok.
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}
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/**
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* Get shipping methods.
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*/
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function wc_cart_totals_shipping_html() {
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$packages = WC()->shipping()->get_packages();
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$first = true;
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foreach ( $packages as $i => $package ) {
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$chosen_method = isset( WC()->session->chosen_shipping_methods[ $i ] ) ? WC()->session->chosen_shipping_methods[ $i ] : '';
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$product_names = array();
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if ( count( $packages ) > 1 ) {
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foreach ( $package['contents'] as $item_id => $values ) {
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$product_names[ $item_id ] = $values['data']->get_name() . ' ×' . $values['quantity'];
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}
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$product_names = apply_filters( 'woocommerce_shipping_package_details_array', $product_names, $package );
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}
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wc_get_template(
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'cart/cart-shipping.php', array(
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'package' => $package,
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'available_methods' => $package['rates'],
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'show_package_details' => count( $packages ) > 1,
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'show_shipping_calculator' => is_cart() && $first,
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'package_details' => implode( ', ', $product_names ),
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/* translators: %d: shipping package number */
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'package_name' => apply_filters( 'woocommerce_shipping_package_name', ( ( $i + 1 ) > 1 ) ? sprintf( _x( 'Shipping %d', 'shipping packages', 'woocommerce' ), ( $i + 1 ) ) : _x( 'Shipping', 'shipping packages', 'woocommerce' ), $i, $package ),
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'index' => $i,
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'chosen_method' => $chosen_method,
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'formatted_destination' => WC()->countries->get_formatted_address( $package['destination'], ', ' ),
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'has_calculated_shipping' => WC()->customer->has_calculated_shipping(),
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)
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);
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$first = false;
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}
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}
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/**
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* Get taxes total.
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*/
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function wc_cart_totals_taxes_total_html() {
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echo apply_filters( 'woocommerce_cart_totals_taxes_total_html', wc_price( WC()->cart->get_taxes_total() ) ); // WPCS: XSS ok.
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}
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/**
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* Get a coupon label.
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*
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* @param string|WC_Coupon $coupon Coupon data or code.
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* @param bool $echo Echo or return.
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*
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* @return string
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*/
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function wc_cart_totals_coupon_label( $coupon, $echo = true ) {
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if ( is_string( $coupon ) ) {
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$coupon = new WC_Coupon( $coupon );
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}
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/* translators: %s: coupon code */
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$label = apply_filters( 'woocommerce_cart_totals_coupon_label', sprintf( esc_html__( 'Coupon: %s', 'woocommerce' ), $coupon->get_code() ), $coupon );
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if ( $echo ) {
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echo $label; // WPCS: XSS ok.
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} else {
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return $label;
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}
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}
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/**
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* Get coupon display HTML.
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*
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* @param string|WC_Coupon $coupon Coupon data or code.
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*/
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function wc_cart_totals_coupon_html( $coupon ) {
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if ( is_string( $coupon ) ) {
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$coupon = new WC_Coupon( $coupon );
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}
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$discount_amount_html = '';
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$amount = WC()->cart->get_coupon_discount_amount( $coupon->get_code(), WC()->cart->display_cart_ex_tax );
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$discount_amount_html = '-' . wc_price( $amount );
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if ( $coupon->get_free_shipping() && empty( $amount ) ) {
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$discount_amount_html = __( 'Free shipping coupon', 'woocommerce' );
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}
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$discount_amount_html = apply_filters( 'woocommerce_coupon_discount_amount_html', $discount_amount_html, $coupon );
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$coupon_html = $discount_amount_html . ' <a href="' . esc_url( add_query_arg( 'remove_coupon', rawurlencode( $coupon->get_code() ), defined( 'WOOCOMMERCE_CHECKOUT' ) ? wc_get_checkout_url() : wc_get_cart_url() ) ) . '" class="woocommerce-remove-coupon" data-coupon="' . esc_attr( $coupon->get_code() ) . '">' . __( '[Remove]', 'woocommerce' ) . '</a>';
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echo wp_kses( apply_filters( 'woocommerce_cart_totals_coupon_html', $coupon_html, $coupon, $discount_amount_html ), array_replace_recursive( wp_kses_allowed_html( 'post' ), array( 'a' => array( 'data-coupon' => true ) ) ) ); // phpcs:ignore PHPCompatibility.PHP.NewFunctions.array_replace_recursiveFound
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}
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/**
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* Get order total html including inc tax if needed.
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*/
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function wc_cart_totals_order_total_html() {
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$value = '<strong>' . WC()->cart->get_total() . '</strong> ';
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// If prices are tax inclusive, show taxes here.
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if ( wc_tax_enabled() && WC()->cart->display_prices_including_tax() ) {
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$tax_string_array = array();
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$cart_tax_totals = WC()->cart->get_tax_totals();
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if ( get_option( 'woocommerce_tax_total_display' ) === 'itemized' ) {
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foreach ( $cart_tax_totals as $code => $tax ) {
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$tax_string_array[] = sprintf( '%s %s', $tax->formatted_amount, $tax->label );
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}
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} elseif ( ! empty( $cart_tax_totals ) ) {
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$tax_string_array[] = sprintf( '%s %s', wc_price( WC()->cart->get_taxes_total( true, true ) ), WC()->countries->tax_or_vat() );
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}
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if ( ! empty( $tax_string_array ) ) {
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$taxable_address = WC()->customer->get_taxable_address();
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/* translators: %s: country name */
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$estimated_text = WC()->customer->is_customer_outside_base() && ! WC()->customer->has_calculated_shipping() ? sprintf( ' ' . __( 'estimated for %s', 'woocommerce' ), WC()->countries->estimated_for_prefix( $taxable_address[0] ) . WC()->countries->countries[ $taxable_address[0] ] ) : '';
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/* translators: %s: tax information */
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$value .= '<small class="includes_tax">' . sprintf( __( '(includes %s)', 'woocommerce' ), implode( ', ', $tax_string_array ) . $estimated_text ) . '</small>';
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}
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}
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echo apply_filters( 'woocommerce_cart_totals_order_total_html', $value ); // WPCS: XSS ok.
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}
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/**
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* Get the fee value.
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*
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* @param object $fee Fee data.
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*/
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function wc_cart_totals_fee_html( $fee ) {
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$cart_totals_fee_html = WC()->cart->display_prices_including_tax() ? wc_price( $fee->total + $fee->tax ) : wc_price( $fee->total );
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echo apply_filters( 'woocommerce_cart_totals_fee_html', $cart_totals_fee_html, $fee ); // WPCS: XSS ok.
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}
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/**
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* Get a shipping methods full label including price.
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*
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* @param WC_Shipping_Rate $method Shipping method rate data.
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* @return string
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*/
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function wc_cart_totals_shipping_method_label( $method ) {
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$label = $method->get_label();
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if ( $method->cost >= 0 && $method->get_method_id() !== 'free_shipping' ) {
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if ( WC()->cart->display_prices_including_tax() ) {
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$label .= ': ' . wc_price( $method->cost + $method->get_shipping_tax() );
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if ( $method->get_shipping_tax() > 0 && ! wc_prices_include_tax() ) {
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$label .= ' <small class="tax_label">' . WC()->countries->inc_tax_or_vat() . '</small>';
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}
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} else {
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$label .= ': ' . wc_price( $method->cost );
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if ( $method->get_shipping_tax() > 0 && wc_prices_include_tax() ) {
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$label .= ' <small class="tax_label">' . WC()->countries->ex_tax_or_vat() . '</small>';
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}
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}
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}
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return apply_filters( 'woocommerce_cart_shipping_method_full_label', $label, $method );
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}
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/**
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* Round discount.
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*
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* @param double $value Amount to round.
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* @param int $precision DP to round.
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* @return float
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*/
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function wc_cart_round_discount( $value, $precision ) {
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return wc_round_discount( $value, $precision );
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}
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/**
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* Gets chosen shipping method IDs from chosen_shipping_methods session, without instance IDs.
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*
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* @since 2.6.2
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* @return string[]
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*/
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function wc_get_chosen_shipping_method_ids() {
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$method_ids = array();
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$chosen_methods = WC()->session->get( 'chosen_shipping_methods', array() );
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foreach ( $chosen_methods as $chosen_method ) {
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$chosen_method = explode( ':', $chosen_method );
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$method_ids[] = current( $chosen_method );
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}
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return $method_ids;
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}
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/**
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* Get chosen method for package from session.
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*
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* @since 3.2.0
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* @param int $key Key of package.
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* @param array $package Package data array.
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* @return string|bool
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*/
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function wc_get_chosen_shipping_method_for_package( $key, $package ) {
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$chosen_methods = WC()->session->get( 'chosen_shipping_methods' );
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$chosen_method = isset( $chosen_methods[ $key ] ) ? $chosen_methods[ $key ] : false;
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$changed = wc_shipping_methods_have_changed( $key, $package );
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// This is deprecated but here for BW compat. TODO: Remove in 4.0.0.
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$method_counts = WC()->session->get( 'shipping_method_counts' );
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if ( ! empty( $method_counts[ $key ] ) ) {
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$method_count = absint( $method_counts[ $key ] );
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} else {
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$method_count = 0;
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}
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// If not set, not available, or available methods have changed, set to the DEFAULT option.
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if ( ! $chosen_method || $changed || ! isset( $package['rates'][ $chosen_method ] ) || count( $package['rates'] ) !== $method_count ) {
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$chosen_method = wc_get_default_shipping_method_for_package( $key, $package, $chosen_method );
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$chosen_methods[ $key ] = $chosen_method;
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$method_counts[ $key ] = count( $package['rates'] );
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WC()->session->set( 'chosen_shipping_methods', $chosen_methods );
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WC()->session->set( 'shipping_method_counts', $method_counts );
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do_action( 'woocommerce_shipping_method_chosen', $chosen_method );
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}
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return $chosen_method;
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}
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/**
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* Choose the default method for a package.
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*
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* @since 3.2.0
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* @param int $key Key of package.
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* @param array $package Package data array.
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* @param string $chosen_method Chosen method id.
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* @return string
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*/
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function wc_get_default_shipping_method_for_package( $key, $package, $chosen_method ) {
|
|
$rate_keys = array_keys( $package['rates'] );
|
|
$default = current( $rate_keys );
|
|
$coupons = WC()->cart->get_coupons();
|
|
foreach ( $coupons as $coupon ) {
|
|
if ( $coupon->get_free_shipping() ) {
|
|
foreach ( $rate_keys as $rate_key ) {
|
|
if ( 0 === stripos( $rate_key, 'free_shipping' ) ) {
|
|
$default = $rate_key;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return apply_filters( 'woocommerce_shipping_chosen_method', $default, $package['rates'], $chosen_method );
|
|
}
|
|
|
|
/**
|
|
* See if the methods have changed since the last request.
|
|
*
|
|
* @since 3.2.0
|
|
* @param int $key Key of package.
|
|
* @param array $package Package data array.
|
|
* @return bool
|
|
*/
|
|
function wc_shipping_methods_have_changed( $key, $package ) {
|
|
// Lookup previous methods from session.
|
|
$previous_shipping_methods = WC()->session->get( 'previous_shipping_methods' );
|
|
// Get new and old rates.
|
|
$new_rates = array_keys( $package['rates'] );
|
|
$prev_rates = isset( $previous_shipping_methods[ $key ] ) ? $previous_shipping_methods[ $key ] : false;
|
|
// Update session.
|
|
$previous_shipping_methods[ $key ] = $new_rates;
|
|
WC()->session->set( 'previous_shipping_methods', $previous_shipping_methods );
|
|
return $new_rates !== $prev_rates;
|
|
}
|
|
|
|
/**
|
|
* Gets a hash of important product data that when changed should cause cart items to be invalidated.
|
|
*
|
|
* The woocommerce_cart_item_data_to_validate filter can be used to add custom properties.
|
|
*
|
|
* @param WC_Product $product Product object.
|
|
* @return string
|
|
*/
|
|
function wc_get_cart_item_data_hash( $product ) {
|
|
return md5(
|
|
wp_json_encode(
|
|
apply_filters(
|
|
'woocommerce_cart_item_data_to_validate',
|
|
array(
|
|
'type' => $product->get_type(),
|
|
'attributes' => 'variation' === $product->get_type() ? $product->get_variation_attributes() : '',
|
|
),
|
|
$product
|
|
)
|
|
)
|
|
);
|
|
}
|