From cca227167102e5b8b94c10d1458279ca4604a59b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Albert=20Juh=C3=A9=20Lluveras?= <contact@albertjuhe.com>
Date: Mon, 29 Jan 2024 16:12:33 +0100
Subject: [PATCH] Remove Cart and Checkout templates migration code (#44148)

* Remove Cart and Checkouts templates migration code

* Add changefile(s) from automation for the following project(s): woocommerce

---------

Co-authored-by: github-actions <github-actions@github.com>
---
 ...te-remove-cart-checkout-template-migration |   4 +
 .../src/Blocks/BlockTemplatesController.php   |  21 ---
 .../src/Blocks/Templates/CartTemplate.php     |   7 -
 .../src/Blocks/Templates/CheckoutTemplate.php |   7 -
 .../Utils/BlockTemplateMigrationUtils.php     | 129 ------------------
 5 files changed, 4 insertions(+), 164 deletions(-)
 create mode 100644 plugins/woocommerce/changelog/44148-update-remove-cart-checkout-template-migration
 delete mode 100644 plugins/woocommerce/src/Blocks/Utils/BlockTemplateMigrationUtils.php

diff --git a/plugins/woocommerce/changelog/44148-update-remove-cart-checkout-template-migration b/plugins/woocommerce/changelog/44148-update-remove-cart-checkout-template-migration
new file mode 100644
index 00000000000..a578fcfaab0
--- /dev/null
+++ b/plugins/woocommerce/changelog/44148-update-remove-cart-checkout-template-migration
@@ -0,0 +1,4 @@
+Significance: patch
+Type: update
+Comment: Remove Cart and Checkouts templates migration code
+
diff --git a/plugins/woocommerce/src/Blocks/BlockTemplatesController.php b/plugins/woocommerce/src/Blocks/BlockTemplatesController.php
index 0bc9d2ce35f..b78fb978f47 100644
--- a/plugins/woocommerce/src/Blocks/BlockTemplatesController.php
+++ b/plugins/woocommerce/src/Blocks/BlockTemplatesController.php
@@ -11,7 +11,6 @@ use Automattic\WooCommerce\Blocks\Templates\SingleProductTemplateCompatibility;
 use Automattic\WooCommerce\Blocks\Utils\BlockTemplateUtils;
 use Automattic\WooCommerce\Blocks\Templates\OrderConfirmationTemplate;
 use Automattic\WooCommerce\Blocks\Templates\SingleProductTemplate;
-use Automattic\WooCommerce\Blocks\Utils\BlockTemplateMigrationUtils;
 
 /**
  * BlockTypesController class.
@@ -66,8 +65,6 @@ class BlockTemplatesController {
 		add_action( 'after_switch_theme', array( $this, 'check_should_use_blockified_product_grid_templates' ), 10, 2 );
 
 		if ( wc_current_theme_is_fse_theme() ) {
-			add_action( 'init', array( $this, 'maybe_migrate_content' ) );
-
 			// By default, the Template Part Block only supports template parts that are in the current theme directory.
 			// This render_callback wrapper allows us to add support for plugin-housed template parts.
 			add_filter(
@@ -767,22 +764,4 @@ class BlockTemplatesController {
 
 		return $post_type_name;
 	}
-
-	/**
-	 * Migrates page content to templates if needed.
-	 */
-	public function maybe_migrate_content() {
-		// Migration should occur on a normal request to ensure every requirement is met.
-		// We are postponing it if WP is in maintenance mode, installing, WC installing or if the request is part of a WP-CLI command.
-		if ( wp_is_maintenance_mode() || ! get_option( 'woocommerce_db_version', false ) || Constants::is_defined( 'WP_SETUP_CONFIG' ) || Constants::is_defined( 'WC_INSTALLING' ) || Constants::is_defined( 'WP_CLI' ) ) {
-			return;
-		}
-
-		if ( ! BlockTemplateMigrationUtils::has_migrated_page( 'cart' ) ) {
-			BlockTemplateMigrationUtils::migrate_page( 'cart' );
-		}
-		if ( ! BlockTemplateMigrationUtils::has_migrated_page( 'checkout' ) ) {
-			BlockTemplateMigrationUtils::migrate_page( 'checkout' );
-		}
-	}
 }
diff --git a/plugins/woocommerce/src/Blocks/Templates/CartTemplate.php b/plugins/woocommerce/src/Blocks/Templates/CartTemplate.php
index 10994d0a969..0fbb1d2a583 100644
--- a/plugins/woocommerce/src/Blocks/Templates/CartTemplate.php
+++ b/plugins/woocommerce/src/Blocks/Templates/CartTemplate.php
@@ -1,8 +1,6 @@
 <?php
 namespace Automattic\WooCommerce\Blocks\Templates;
 
-use Automattic\WooCommerce\Blocks\Utils\BlockTemplateMigrationUtils;
-
 /**
  * CartTemplate class.
  *
@@ -34,11 +32,6 @@ class CartTemplate extends AbstractPageTemplate {
 	 * @return boolean
 	 */
 	protected function is_active_template() {
-
-		if ( ! BlockTemplateMigrationUtils::has_migrated_page( 'cart' ) ) {
-			return false;
-		}
-
 		global $post;
 		$placeholder = $this->get_placeholder_page();
 		return null !== $placeholder && $post instanceof \WP_Post && $placeholder->post_name === $post->post_name;
diff --git a/plugins/woocommerce/src/Blocks/Templates/CheckoutTemplate.php b/plugins/woocommerce/src/Blocks/Templates/CheckoutTemplate.php
index 5e01fb43e6f..c606a23548c 100644
--- a/plugins/woocommerce/src/Blocks/Templates/CheckoutTemplate.php
+++ b/plugins/woocommerce/src/Blocks/Templates/CheckoutTemplate.php
@@ -1,8 +1,6 @@
 <?php
 namespace Automattic\WooCommerce\Blocks\Templates;
 
-use Automattic\WooCommerce\Blocks\Utils\BlockTemplateMigrationUtils;
-
 /**
  * CheckoutTemplate class.
  *
@@ -34,11 +32,6 @@ class CheckoutTemplate extends AbstractPageTemplate {
 	 * @return boolean
 	 */
 	protected function is_active_template() {
-
-		if ( ! BlockTemplateMigrationUtils::has_migrated_page( 'checkout' ) ) {
-			return false;
-		}
-
 		global $post;
 		$placeholder = $this->get_placeholder_page();
 		return null !== $placeholder && $post instanceof \WP_Post && $placeholder->post_name === $post->post_name;
diff --git a/plugins/woocommerce/src/Blocks/Utils/BlockTemplateMigrationUtils.php b/plugins/woocommerce/src/Blocks/Utils/BlockTemplateMigrationUtils.php
deleted file mode 100644
index 6c5bbd79c5d..00000000000
--- a/plugins/woocommerce/src/Blocks/Utils/BlockTemplateMigrationUtils.php
+++ /dev/null
@@ -1,129 +0,0 @@
-<?php
-namespace Automattic\WooCommerce\Blocks\Utils;
-
-/**
- * Utility methods used for migrating pages to block templates.
- * {@internal This class and its methods should only be used within the BlockTemplateController.php and is not intended for public use.}
- */
-class BlockTemplateMigrationUtils {
-
-	/**
-	 * Check if a page has been migrated to a template.
-	 *
-	 * @param string $page_id Page ID.
-	 * @return boolean
-	 */
-	public static function has_migrated_page( $page_id ) {
-		return (bool) get_option( 'has_migrated_' . $page_id, false );
-	}
-
-	/**
-	 * Stores an option to indicate that a template has been migrated.
-	 *
-	 * @param string $page_id Page ID.
-	 * @param string $status Status of the migration.
-	 */
-	public static function set_has_migrated_page( $page_id, $status = 'success' ) {
-		update_option( 'has_migrated_' . $page_id, $status );
-	}
-
-	/**
-	 * Migrates a page to a template if needed.
-	 *
-	 * @param string $template_slug Template slug.
-	 */
-	public static function migrate_page( $template_slug ) {
-		// Get the block template for this page. If it exists, we won't migrate because the user already has custom content.
-		$block_template = BlockTemplateUtils::get_block_template( 'woocommerce/woocommerce//page-' . $template_slug, 'wp_template' );
-		// If we were unable to get the block template, bail. Try again later.
-		if ( ! $block_template ) {
-			return;
-		}
-
-		// Skip migration if the theme has a template file for this page.
-		$theme_template = BlockTemplateUtils::get_block_template( get_stylesheet() . '//page-' . $template_slug, 'wp_template' );
-		if ( $theme_template ) {
-			return self::set_has_migrated_page( $template_slug, 'theme-file-exists' );
-		}
-
-		// If a custom template is present already, no need to migrate.
-		if ( $block_template->wp_id ) {
-			return self::set_has_migrated_page( $template_slug, 'custom-template-exists' );
-		}
-
-		$template_content = self::get_default_template( $template_slug );
-
-		if ( self::create_custom_template( $block_template, $template_content ) ) {
-			return self::set_has_migrated_page( $template_slug );
-		}
-	}
-
-	/**
-	 * Prepare default page template.
-	 *
-	 * @param string $template_slug Template slug.
-	 * @return string
-	 */
-	protected static function get_default_template( $template_slug ) {
-
-		$default_template_content = '
-			<!-- wp:group {"layout":{"inherit":true,"type":"constrained"}} -->
-				<div class="wp-block-group"><!-- wp:woocommerce/page-content-wrapper {"page":"' . $template_slug . '"} -->
-				<!-- wp:post-title {"align":"wide", "level":1} /-->
-				<!-- wp:post-content {"align":"wide"} /-->
-				<!-- /wp:woocommerce/page-content-wrapper --></div>
-			<!-- /wp:group -->
-		';
-		return self::get_block_template_part( 'header' ) . $default_template_content . self::get_block_template_part( 'footer' );
-	}
-
-	/**
-	 * Create a custom template with given content.
-	 *
-	 * @param \WP_Block_Template|null $template Template object.
-	 * @param string                  $content Template content.
-	 * @return boolean Success.
-	 */
-	protected static function create_custom_template( $template, $content ) {
-
-		$term = get_term_by( 'slug', $template->theme, 'wp_theme', ARRAY_A );
-
-		if ( ! $term ) {
-			$term = wp_insert_term( $template->theme, 'wp_theme' );
-		}
-
-		$template_id = wp_insert_post(
-			[
-				'post_name'    => $template->slug,
-				'post_type'    => 'wp_template',
-				'post_status'  => 'publish',
-				'tax_input'    => array(
-					'wp_theme' => $template->theme,
-				),
-				'meta_input'   => array(
-					'origin' => $template->source,
-				),
-				'post_content' => $content,
-			],
-			true
-		);
-
-		wp_set_post_terms( $template_id, array( $term['term_id'] ), 'wp_theme' );
-
-		return $template_id && ! is_wp_error( $template_id );
-	}
-
-	/**
-	 * Returns the requested template part.
-	 *
-	 * @param string $part The part to return.
-	 * @return string
-	 */
-	protected static function get_block_template_part( $part ) {
-		$template_part = BlockTemplateUtils::get_block_template( get_stylesheet() . '//' . $part, 'wp_template_part' );
-		if ( ! $template_part || empty( $template_part->content ) ) {
-			return '';
-		}
-		return $template_part->content;
-	}
-}