<?php

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declare( strict_types = 1 );

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namespace Automattic\WooCommerce\StoreApi\Utilities;

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use Automattic\WooCommerce\Blocks\Domain\Services\CheckoutFields;

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use Automattic\WooCommerce\Blocks\Package;

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use Automattic\WooCommerce\Internal\Customers\SearchService as CustomerSearchService;

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use Automattic\WooCommerce\StoreApi\Exceptions\RouteException;

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use Automattic\WooCommerce\Utilities\ArrayUtil;

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use Automattic\WooCommerce\Utilities\DiscountsUtil;

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use Automattic\WooCommerce\Utilities\ShippingUtil;

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use Exception;

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/**

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* OrderController class.

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* Helper class which creates and syncs orders with the cart.

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*/

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class OrderController {

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/**

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* Checkout fields controller.

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*

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* @var CheckoutFields

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*/

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private CheckoutFields $additional_fields_controller;

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/**

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* Constructor.

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*/

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public function __construct() {

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$this->additional_fields_controller = Package::container()->get( CheckoutFields::class );

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}

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/**

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* Create order and set props based on global settings.

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*

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* @throws RouteException Exception if invalid data is detected.

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*

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* @return \WC_Order A new order object.

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*/

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public function create_order_from_cart() {

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if ( wc()->cart->is_empty() ) {

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throw new RouteException(

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'woocommerce_rest_cart_empty',

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__( 'Cannot create order from empty cart.', 'woocommerce' ),

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400

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);

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}

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add_filter( 'woocommerce_default_order_status', array( $this, 'default_order_status' ) );

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$order = new \WC_Order();

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$order->set_status( 'checkout-draft' );

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$order->set_created_via( 'store-api' );

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$this->update_order_from_cart( $order );

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remove_filter( 'woocommerce_default_order_status', array( $this, 'default_order_status' ) );

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return $order;

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}

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/**

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* Update an order using data from the current cart.

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*

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* @param \WC_Order $order The order object to update.

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* @param boolean $update_totals Whether to update totals or not.

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*/

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public function update_order_from_cart( \WC_Order $order, $update_totals = true ) {

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/**

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* This filter ensures that local pickup locations are still used for order taxes by forcing the address used to

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* calculate tax for an order to match the current address of the customer.

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*

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* - The method `$customer->get_taxable_address()` runs the filter `woocommerce_customer_taxable_address`.

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* - While we have a session, our `ShippingController::filter_taxable_address` function uses this hook to set

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* the customer address to the pickup location address if local pickup is the chosen method.

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*

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* Without this code in place, `$customer->get_taxable_address()` is not used when order taxes are calculated,

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* resulting in the wrong taxes being applied with local pickup.

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*

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* The alternative would be to instead use `woocommerce_order_get_tax_location` to return the pickup location

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* address directly, however since we have the customer filter in place we don't need to duplicate effort.

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*

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* @see \WC_Abstract_Order::get_tax_location()

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*/

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add_filter(

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'woocommerce_order_get_tax_location',

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function ( $location ) {

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if ( ! is_null( wc()->customer ) ) {

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$taxable_address = wc()->customer->get_taxable_address();

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$location = array(

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'country' => $taxable_address[0],

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'state' => $taxable_address[1],

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'postcode' => $taxable_address[2],

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'city' => $taxable_address[3],

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);

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}

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return $location;

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}

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);

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// Ensure cart is current.

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if ( $update_totals ) {

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wc()->cart->calculate_totals();

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}

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// Update the current order to match the current cart.

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$this->update_line_items_from_cart( $order );

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$this->update_addresses_from_cart( $order );

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$order->set_currency( get_woocommerce_currency() );

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$order->set_prices_include_tax( 'yes' === get_option( 'woocommerce_prices_include_tax' ) );

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$order->set_customer_id( get_current_user_id() );

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$order->set_customer_ip_address( \WC_Geolocation::get_ip_address() );

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$order->set_customer_user_agent( wc_get_user_agent() );

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$order->set_payment_method( PaymentUtils::get_default_payment_method() );

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$order->update_meta_data( 'is_vat_exempt', wc_bool_to_string( wc()->cart->get_customer()->get_is_vat_exempt() ) );

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$order->calculate_totals();

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}

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/**

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* Copies order data to customer object (not the session), so values persist for future checkouts.

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*

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* @param \WC_Order $order Order object.

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*/

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public function sync_customer_data_with_order( \WC_Order $order ) {

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if ( $order->get_customer_id() ) {

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$customer = new \WC_Customer( $order->get_customer_id() );

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$customer->set_props(

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array(

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'billing_first_name' => $order->get_billing_first_name(),

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'billing_last_name' => $order->get_billing_last_name(),

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'billing_company' => $order->get_billing_company(),

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'billing_address_1' => $order->get_billing_address_1(),

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'billing_address_2' => $order->get_billing_address_2(),

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'billing_city' => $order->get_billing_city(),

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'billing_state' => $order->get_billing_state(),

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'billing_postcode' => $order->get_billing_postcode(),

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'billing_country' => $order->get_billing_country(),

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'billing_email' => $order->get_billing_email(),

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'billing_phone' => $order->get_billing_phone(),

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'shipping_first_name' => $order->get_shipping_first_name(),

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'shipping_last_name' => $order->get_shipping_last_name(),

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'shipping_company' => $order->get_shipping_company(),

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'shipping_address_1' => $order->get_shipping_address_1(),

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'shipping_address_2' => $order->get_shipping_address_2(),

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'shipping_city' => $order->get_shipping_city(),

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'shipping_state' => $order->get_shipping_state(),

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'shipping_postcode' => $order->get_shipping_postcode(),

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'shipping_country' => $order->get_shipping_country(),

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'shipping_phone' => $order->get_shipping_phone(),

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)

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);

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$this->additional_fields_controller->sync_customer_additional_fields_with_order( $order, $customer );

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$customer->save();

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}

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}

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/**

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* Final validation ran before payment is taken.

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*

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* By this point we have an order populated with customer data and items.

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*

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* @throws RouteException Exception if invalid data is detected.

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* @param \WC_Order $order Order object.

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*/

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public function validate_order_before_payment( \WC_Order $order ) {

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$needs_shipping = wc()->cart->needs_shipping();

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$chosen_shipping_methods = wc()->session->get( 'chosen_shipping_methods', [] );

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$this->validate_coupons( $order );

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$this->validate_email( $order );

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$this->validate_selected_shipping_methods( $needs_shipping, $chosen_shipping_methods );

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$this->validate_addresses( $order, $needs_shipping );

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// Perform custom validations.

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$this->perform_custom_order_validation( $order );

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}

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/**

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* Final validation for existing orders, ran before payment is taken.

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*

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* By this point we have an order populated with customer data and items.

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*

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* Since the cart is not involved, we don't validate shipping methods and assume the order already

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* contains the correct shipping items.

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*

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* @throws RouteException Exception if invalid data is detected.

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* @param \WC_Order $order Order object.

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*/

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public function validate_existing_order_before_payment( \WC_Order $order ) {

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$needs_shipping = $order->needs_shipping();

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$this->validate_coupons( $order, true );

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$this->validate_email( $order );

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$this->validate_addresses( $order, $needs_shipping );

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// Perform custom validations.

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$this->perform_custom_order_validation( $order );

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}

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/**

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* Perform custom order validation via WooCommerce hooks.

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*

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* Allows plugins to perform custom validation before payment.

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*

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* @param \WC_Order $order Order object.

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* @throws RouteException Exception if validation fails.

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*/

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protected function perform_custom_order_validation( \WC_Order $order ) {

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$validation_errors = new \WP_Error();

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/**

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* Allow plugins to perform custom validation before payment.

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*

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* Plugins can add errors to the $validation_errors object.

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*

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* @param \WC_Order $order The order object.

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* @param \WP_Error $validation_errors WP_Error object to add custom errors to.

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* @since 9.9.0

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*/

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do_action( 'woocommerce_checkout_validate_order_before_payment', $order, $validation_errors );

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// Check if there are any errors after custom validation.

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if ( $validation_errors->has_errors() ) {

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throw new RouteException(

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'woocommerce_rest_checkout_custom_validation_error',

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esc_html( implode( ' ', $validation_errors->get_error_messages() ) ),

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400

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);

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}

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}

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/**

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* Convert a coupon code to a coupon object.

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*

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* @param string $coupon_code Coupon code.

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* @return \WC_Coupon Coupon object.

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*/

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protected function get_coupon( $coupon_code ) {

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return new \WC_Coupon( $coupon_code );

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}

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/**

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* Validate coupons applied to the order and remove those that are not valid.

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*

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* @throws RouteException Exception if invalid data is detected.

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* @param \WC_Order $order Order object.

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* @param bool $use_order_data Whether to use order data or cart data.

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*/

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protected function validate_coupons( \WC_Order $order, bool $use_order_data = false ) {

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$coupon_codes = $order->get_coupon_codes();

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$coupons = array_filter( array_map( array( $this, 'get_coupon' ), $coupon_codes ) );

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$validators = array( 'validate_coupon_email_restriction', 'validate_coupon_usage_limit' );

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$coupon_errors = array();

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foreach ( $coupons as $coupon ) {

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try {

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array_walk(

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$validators,

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function ( $validator, $index, $params ) {

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call_user_func_array( array( $this, $validator ), $params );

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},

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array( $coupon, $order )

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);

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} catch ( Exception $error ) {

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$coupon_errors[ $coupon->get_code() ] = $error->getMessage();

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}

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}

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if ( $coupon_errors ) {

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// Remove all coupons that were not valid.

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if ( $use_order_data ) {

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$error_code = 'woocommerce_rest_order_coupon_errors';

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foreach ( $coupon_errors as $coupon_code => $message ) {

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$order->remove_coupon( $coupon_code );

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}

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// Recalculate totals.

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$order->calculate_totals();

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} else {

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$error_code = 'woocommerce_rest_cart_coupon_errors';

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foreach ( $coupon_errors as $coupon_code => $message ) {

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wc()->cart->remove_coupon( $coupon_code );

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}

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// Recalculate totals.

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wc()->cart->calculate_totals();

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// Re-sync order with cart.

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$this->update_order_from_cart( $order );

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}

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// Return exception so customer can review before payment.

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if ( 1 === count( $coupon_errors ) && $use_order_data ) {

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$error_message = sprintf(

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/* translators: %1$s Coupon codes, %2$s Reason */

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__( '"%1$s" was removed from the order. %2$s', 'woocommerce' ),

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array_keys( $coupon_errors )[0],

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array_values( $coupon_errors )[0],

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);

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} elseif ( 1 === count( $coupon_errors ) ) {

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$error_message = sprintf(

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/* translators: %1$s Coupon codes, %2$s Reason */

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__( '"%1$s" was removed from the cart. %2$s', 'woocommerce' ),

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array_keys( $coupon_errors )[0],

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array_values( $coupon_errors )[0],

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);

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} elseif ( $use_order_data ) {

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$error_message = sprintf(

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/* translators: %s Coupon codes. */

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__( 'Invalid coupons were removed from the order: "%s"', 'woocommerce' ),

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implode( '", "', array_keys( $coupon_errors ) )

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);

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} else {

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$error_message = sprintf(

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/* translators: %s Coupon codes. */

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__( 'Invalid coupons were removed from the cart: "%s"', 'woocommerce' ),

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implode( '", "', array_keys( $coupon_errors ) )

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);

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}

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throw new RouteException( $error_code, $error_message, 409, array( 'removed_coupons' => $coupon_errors ) ); // phpcs:ignore WordPress.Security.EscapeOutput.ExceptionNotEscaped

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}

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}

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/**

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* Validates the customer email. This is a required field.

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*

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* @throws RouteException Exception if invalid data is detected.

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* @param \WC_Order $order Order object.

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*/

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protected function validate_email( \WC_Order $order ) {

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$email = $order->get_billing_email();

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if ( empty( $email ) ) {

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throw new RouteException(

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'woocommerce_rest_missing_email_address',

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__( 'A valid email address is required', 'woocommerce' ),

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400

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);

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}

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if ( ! is_email( $email ) ) {

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throw new RouteException(

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'woocommerce_rest_invalid_email_address',

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sprintf(

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/* translators: %s provided email. */

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__( 'The provided email address (%s) is not valid—please provide a valid email address', 'woocommerce' ),

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esc_html( $email )

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),

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400

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);

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}

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}

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/**

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* Validates customer address data based on the locale to ensure required fields are set.

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*

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* @throws RouteException Exception if invalid data is detected.

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* @param \WC_Order $order Order object.

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* @param bool $needs_shipping Whether the order needs shipping.

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*/

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protected function validate_addresses( \WC_Order $order, bool $needs_shipping ) {

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$errors = new \WP_Error();

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$billing_country = $order->get_billing_country();

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$shipping_country = $order->get_shipping_country();

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if ( $needs_shipping ) {

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$local_pickup_method_ids = LocalPickupUtils::get_local_pickup_method_ids();

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$selected_shipping_rates = ShippingUtil::get_selected_shipping_rates_from_packages( WC()->shipping()->get_packages() );

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$selected_shipping_rates_are_all_local_pickup = ArrayUtil::array_all(

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$selected_shipping_rates,

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function ( $rate ) use ( $local_pickup_method_ids ) {

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return in_array( $rate->get_method_id(), $local_pickup_method_ids, true );

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}

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);

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// If only local pickup is selected, we don't need to validate the shipping country.

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if ( ! $selected_shipping_rates_are_all_local_pickup && ! $this->validate_allowed_country( $shipping_country, (array) wc()->countries->get_shipping_countries() ) ) {

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throw new RouteException(

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'woocommerce_rest_invalid_address_country',

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sprintf(

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/* translators: %s country code. */

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esc_html__( 'Sorry, we do not ship orders to the provided country (%s)', 'woocommerce' ),

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esc_html( $shipping_country )

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),

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400,

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array(

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'allowed_countries' => array_map( 'esc_html', array_keys( wc()->countries->get_shipping_countries() ) ),

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)

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);

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}

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}

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if ( ! $this->validate_allowed_country( $billing_country, (array) wc()->countries->get_allowed_countries() ) ) {

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throw new RouteException(

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'woocommerce_rest_invalid_address_country',

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sprintf(

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/* translators: %s country code. */

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esc_html__( 'Sorry, we do not allow orders from the provided country (%s)', 'woocommerce' ),

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esc_html( $billing_country )

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),

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400,

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array(

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'allowed_countries' => array_map( 'esc_html', array_keys( wc()->countries->get_allowed_countries() ) ),

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)

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);

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}

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if ( $needs_shipping ) {

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$this->validate_address_fields( $order, 'shipping', $errors );

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}

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$this->validate_address_fields( $order, 'billing', $errors );

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if ( ! $errors->has_errors() ) {

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return;

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}

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$errors_by_code = array();

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$error_codes = $errors->get_error_codes();

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foreach ( $error_codes as $code ) {

[428] Fix | Delete

$errors_by_code[ $code ] = $errors->get_error_messages( $code );

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}

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// Surface errors from first code.

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foreach ( $errors_by_code as $code => $error_messages ) {

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throw new RouteException(

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'woocommerce_rest_invalid_address',

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sprintf(

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/* translators: %s Address type. */

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esc_html__( 'There was a problem with the provided %s:', 'woocommerce' ) . ' ' . esc_html( implode( ', ', $error_messages ) ),

[438] Fix | Delete

'shipping' === $code ? esc_html__( 'shipping address', 'woocommerce' ) : esc_html__( 'billing address', 'woocommerce' )

[439] Fix | Delete

),

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400,

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array(

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'errors' => $errors_by_code, // phpcs:ignore WordPress.Security.EscapeOutput.ExceptionNotEscaped

[443] Fix | Delete

)

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);

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}

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}

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[448] Fix | Delete

/**

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* Check all required address fields are set and return errors if not.

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*

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* @param string $country Country code.

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* @param array $allowed_countries List of valid country codes.

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* @return boolean True if valid.

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*/

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protected function validate_allowed_country( $country, array $allowed_countries ) {

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return array_key_exists( $country, $allowed_countries );

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}

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[459] Fix | Delete

/**

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* Check all required address fields are set and return errors if not.

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*

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* @param \WC_Order $order Order object.

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* @param string $address_type billing or shipping address, used in error messages.

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* @param \WP_Error $errors Error object.

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*/

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protected function validate_address_fields( \WC_Order $order, $address_type, \WP_Error $errors ) {

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$all_locales = wc()->countries->get_country_locale();

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$address = $order->get_address( $address_type );

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$current_locale = $all_locales[ $address['country'] ] ?? [];

[470] Fix | Delete

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foreach ( $all_locales['default'] as $key => $value ) {

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// If $current_locale[ $key ] is not empty, merge it with locale default, otherwise just use default locale.

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$current_locale[ $key ] = ! empty( $current_locale[ $key ] )

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? wp_parse_args( $current_locale[ $key ], $value )

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: $value;

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}

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$additional_fields = $this->additional_fields_controller->get_all_fields_from_object( $order, $address_type );

[479] Fix | Delete

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$address = array_merge( $address, $additional_fields );

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foreach ( $current_locale as $address_field_key => $address_field ) {

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// Skip validation if field is not required or if it is hidden.

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if (

[485] Fix | Delete

true !== wc_string_to_bool( $address_field['required'] ?? false ) ||

[486] Fix | Delete

true === wc_string_to_bool( $address_field['hidden'] ?? false )

[487] Fix | Delete

) {

[488] Fix | Delete

continue;

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}

[490] Fix | Delete

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// Check if field is not set, is an empty string, or is an empty array.

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$is_empty = ! isset( $address[ $address_field_key ] ) ||

[493] Fix | Delete

( is_string( $address[ $address_field_key ] ) && '' === trim( $address[ $address_field_key ] ) ) ||

[494] Fix | Delete

( is_array( $address[ $address_field_key ] ) && 0 === count( $address[ $address_field_key ] ) );

[495] Fix | Delete

[496] Fix | Delete

if ( $is_empty ) {

[497] Fix | Delete

/* translators: %s Field label. */

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$errors->add( $address_type, sprintf( __( '%s is required', 'woocommerce' ), $address_field['label'] ), $address_field_key );

[499] Fix | Delete