<?php

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namespace Automattic\WooCommerce\Blocks\Templates;

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/**

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* CheckoutTemplate class.

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*

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* @internal

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*/

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class CheckoutTemplate extends AbstractPageTemplate {

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/**

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* The slug of the template.

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*

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* @var string

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*/

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const SLUG = 'page-checkout';

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/**

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* Initialization method.

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*/

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public function init() {

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parent::init();

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add_action( 'template_redirect', array( $this, 'render_block_template' ) );

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}

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/**

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* Returns the title of the template.

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*

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* @return string

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*/

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public function get_template_title() {

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return _x( 'Page: Checkout', 'Template name', 'woocommerce' );

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}

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/**

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* Returns the description of the template.

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*

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* @return string

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*/

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public function get_template_description() {

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return __( 'The Checkout template guides users through the final steps of the purchase process. It enables users to enter shipping and billing information, select a payment method, and review order details.', 'woocommerce' );

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}

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/**

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* Renders the default block template from Woo Blocks if no theme templates exist.

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*/

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public function render_block_template() {

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if (

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! is_embed() && is_checkout()

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) {

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add_filter( 'woocommerce_has_block_template', '__return_true', 10, 0 );

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}

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}

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/**

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* Returns the page object assigned to this template/page.

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*

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* @return \WP_Post|null Post object or null.

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*/

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protected function get_placeholder_page() {

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$page_id = wc_get_page_id( 'checkout' );

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return $page_id ? get_post( $page_id ) : null;

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}

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/**

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* True when viewing the checkout page or checkout endpoint.

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*

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* @return boolean

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*/

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protected function is_active_template() {

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global $post;

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$placeholder = $this->get_placeholder_page();

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return null !== $placeholder && $post instanceof \WP_Post && $placeholder->post_name === $post->post_name;

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}

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/**

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* When the page should be displaying the template, add it to the hierarchy.

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*

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* This places the template name e.g. `cart`, at the beginning of the template hierarchy array. The hook priority

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* is 1 to ensure it runs first; other consumers e.g. extensions, could therefore inject their own template instead

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* of this one when using the default priority of 10.

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*

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* @param array $templates Templates that match the pages_template_hierarchy.

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*/

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public function page_template_hierarchy( $templates ) {

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if ( $this->is_active_template() ) {

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array_unshift( $templates, self::SLUG );

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array_unshift( $templates, 'checkout' );

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}

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return $templates;

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}

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}

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