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<?php namespace Automattic\WooCommerce\Blocks;
use Automattic\WooCommerce\Blocks\Utils\BlockTemplateUtils; use Automattic\WooCommerce\Blocks\Templates\ComingSoonTemplate;
/** * BlockTemplatesController class. * * @internal */ class BlockTemplatesController {
/** * Directory which contains all templates * * @var string */ const TEMPLATES_ROOT_DIR = 'templates';
/** * Initialization method. */ public function init() { add_filter( 'pre_get_block_template', array( $this, 'get_block_template_fallback' ), 10, 3 ); add_filter( 'pre_get_block_file_template', array( $this, 'get_block_file_template' ), 10, 3 ); add_filter( 'get_block_template', array( $this, 'add_block_template_details' ), 10, 3 ); add_filter( 'get_block_templates', array( $this, 'add_block_templates' ), 10, 3 ); add_filter( 'taxonomy_template_hierarchy', array( $this, 'add_fallback_template_to_hierarchy' ), 10, 1 ); add_filter( 'block_type_metadata_settings', array( $this, 'add_plugin_templates_parts_support' ), 10, 2 ); add_filter( 'block_type_metadata_settings', array( $this, 'prevent_shortcodes_html_breakage' ), 10, 2 ); add_action( 'current_screen', array( $this, 'hide_template_selector_in_cart_checkout_pages' ), 10 ); }
/** * Renders the `core/template-part` block on the server. * * This is done because the core handling for template parts only supports templates from the current theme, not * from a plugin. * * @param array $attributes The block attributes. * @return string The render. */ public function render_woocommerce_template_part( $attributes ) { if ( isset( $attributes['theme'] ) && 'woocommerce/woocommerce' === $attributes['theme'] ) { $template_part = get_block_template( $attributes['theme'] . '//' . $attributes['slug'], 'wp_template_part' );
if ( $template_part && ! empty( $template_part->content ) ) { $content = do_blocks( $template_part->content );
if ( empty( $attributes['tagName'] ) || tag_escape( $attributes['tagName'] ) !== $attributes['tagName'] ) { $html_tag = 'div'; } else { $html_tag = esc_attr( $attributes['tagName'] ); } $wrapper_attributes = get_block_wrapper_attributes();
return "<$html_tag $wrapper_attributes>" . str_replace( ']]>', ']]>', $content ) . "</$html_tag>"; } } return function_exists( '\gutenberg_render_block_core_template_part' ) ? \gutenberg_render_block_core_template_part( $attributes ) : \render_block_core_template_part( $attributes ); }
/** * This function is used on the `pre_get_block_template` hook to return the fallback template from the db in case * the template is eligible for it. * * Currently, the Products by Category, Products by Tag and Products by Attribute templates fall back to the * Product Catalog template. That means that if there are customizations in the Product Catalog template, * they are also reflected in the other templates as long as they haven't been customized as well. * * @param \WP_Block_Template|null $template Block template object to short-circuit the default query, * or null to allow WP to run its normal queries. * @param string $id Template unique identifier (example: theme_slug//template_slug). * @param string $template_type wp_template or wp_template_part. * * @return object|null */ public function get_block_template_fallback( $template, $id, $template_type ) { // Add protection against invalid ids. if ( ! is_string( $id ) || ! strstr( $id, '//' ) ) { return null; } // Add protection against invalid template types. if ( 'wp_template' !== $template_type && 'wp_template_part' !== $template_type ) { return null; } $template_name_parts = explode( '//', $id ); $theme = $template_name_parts[0] ?? ''; $slug = $template_name_parts[1] ?? ''; $registered_template = BlockTemplateUtils::get_template( $slug );
if ( empty( $theme ) || empty( $slug ) || ! $registered_template || ! isset( $registered_template->fallback_template ) ) { return null; }
$wp_query_args = array( 'post_name__in' => array( $registered_template->fallback_template, $slug ), 'post_type' => $template_type, 'post_status' => array( 'auto-draft', 'draft', 'publish', 'trash' ), 'no_found_rows' => true, 'tax_query' => array( // phpcs:ignore WordPress.DB.SlowDBQuery.slow_db_query_tax_query array( 'taxonomy' => 'wp_theme', 'field' => 'name', 'terms' => $theme, ), ), ); $template_query = new \WP_Query( $wp_query_args ); $posts = $template_query->posts;
// If we have more than one result from the query, it means that the current template is present in the db (has // been customized by the user) and we should not return the fallback template. if ( count( $posts ) > 1 ) { return null; }
if ( count( $posts ) > 0 && $registered_template->fallback_template === $posts[0]->post_name ) { $template = _build_block_template_result_from_post( $posts[0] );
if ( ! is_wp_error( $template ) ) { $template->id = $theme . '//' . $slug; $template->slug = $slug; $template->title = BlockTemplateUtils::get_block_template_title( $slug ); $template->description = BlockTemplateUtils::get_block_template_description( $slug ); unset( $template->source );
return $template; } }
return $template; }
/** * Adds the fallback template to the template hierarchy. * * @param array $template_hierarchy A list of template candidates, in descending order of priority. */ public function add_fallback_template_to_hierarchy( $template_hierarchy ) { $template_slugs = array_map( '_strip_template_file_suffix', $template_hierarchy );
foreach ( $template_slugs as $template_slug ) { $template = BlockTemplateUtils::get_template( $template_slug ); if ( $template && isset( $template->fallback_template ) ) { $template_hierarchy[] = $template->fallback_template; } }
return $template_hierarchy; }
/** * 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. * * @param array $settings Array of determined settings for registering a block type. * @param array $metadata Metadata provided for registering a block type. */ public function add_plugin_templates_parts_support( $settings, $metadata ) { if ( isset( $metadata['name'], $settings['render_callback'] ) && 'core/template-part' === $metadata['name'] && in_array( $settings['render_callback'], array( 'render_block_core_template_part', 'gutenberg_render_block_core_template_part' ), true ) ) { $settings['render_callback'] = array( $this, 'render_woocommerce_template_part' ); } return $settings; }
/** * Prevents shortcodes in templates having their HTML content broken by wpautop. * * @see https://core.trac.wordpress.org/ticket/58366 for more info. * * @param array $settings Array of determined settings for registering a block type. * @param array $metadata Metadata provided for registering a block type. */ public function prevent_shortcodes_html_breakage( $settings, $metadata ) { if ( isset( $metadata['name'], $settings['render_callback'] ) && 'core/shortcode' === $metadata['name'] ) { $settings['original_render_callback'] = $settings['render_callback']; $settings['render_callback'] = function ( $attributes, $content ) use ( $settings ) { // The shortcode has already been rendered, so look for the cart/checkout HTML. if ( strstr( $content, 'woocommerce-cart-form' ) || strstr( $content, 'wc-empty-cart-message' ) || strstr( $content, 'woocommerce-checkout-form' ) ) { // Return early before wpautop runs again. return $content; }
$render_callback = $settings['original_render_callback'];
return $render_callback( $attributes, $content ); }; } return $settings; }
/** * Prevents the pages that are assigned as Cart/Checkout from showing the "template" selector in the page-editor. * We want to avoid this flow and point users towards the Site Editor instead. * * @return void */ public function hide_template_selector_in_cart_checkout_pages() { if ( ! is_admin() ) { return; }
$current_screen = get_current_screen();
// phpcs:ignore WordPress.Security.NonceVerification.Recommended if ( $current_screen && 'page' === $current_screen->id && ! empty( $_GET['post'] ) && in_array( absint( $_GET['post'] ), array( wc_get_page_id( 'cart' ), wc_get_page_id( 'checkout' ) ), true ) ) { wp_add_inline_style( 'wc-blocks-editor-style', '.edit-post-post-template { display: none; }' ); } }
/** * This function checks if there's a block template file in `woocommerce/templates/templates/` * to return to pre_get_posts short-circuiting the query in Gutenberg. * * @param \WP_Block_Template|null $template Return a block template object to short-circuit the default query, * or null to allow WP to run its normal queries. * @param string $id Template unique identifier (example: theme_slug//template_slug). * @param string $template_type wp_template or wp_template_part. * * @return mixed|\WP_Block_Template|\WP_Error */ public function get_block_file_template( $template, $id, $template_type ) { $template_name_parts = explode( '//', $id );
if ( count( $template_name_parts ) < 2 ) { return $template; }
list( $template_id, $template_slug ) = $template_name_parts;
// If the template is not present in the theme but its fallback template is, // let's use the theme's fallback template. if ( BlockTemplateUtils::template_is_eligible_for_fallback_from_theme( $template_slug ) ) { $registered_template = BlockTemplateUtils::get_template( $template_slug ); $template_path = BlockTemplateUtils::get_theme_template_path( $registered_template->fallback_template ); $template_object = BlockTemplateUtils::create_new_block_template_object( $template_path, $template_type, $template_slug, true ); return BlockTemplateUtils::build_template_result_from_file( $template_object, $template_type ); }
// This is a real edge-case, we are supporting users who have saved templates under the deprecated slug. See its definition for more information. // You can likely ignore this code unless you're supporting/debugging early customised templates. if ( BlockTemplateUtils::DEPRECATED_PLUGIN_SLUG === strtolower( $template_id ) ) { // Because we are using get_block_templates we have to unhook this method to prevent a recursive loop where this filter is applied. remove_filter( 'pre_get_block_file_template', array( $this, 'get_block_file_template' ), 10, 3 ); $template_with_deprecated_id = get_block_template( $id, $template_type ); // Let's hook this method back now that we have used the function. add_filter( 'pre_get_block_file_template', array( $this, 'get_block_file_template' ), 10, 3 );
if ( null !== $template_with_deprecated_id ) { return $template_with_deprecated_id; } }
// If we are not dealing with a WooCommerce template let's return early and let it continue through the process. if ( BlockTemplateUtils::PLUGIN_SLUG !== $template_id ) { return $template; }
// If we don't have a template let Gutenberg do its thing. if ( ! $this->block_template_is_available( $template_slug, $template_type ) ) { return $template; }
$directory = BlockTemplateUtils::get_templates_directory( $template_type ); $template_file_path = $directory . '/' . $template_slug . '.html'; $template_object = BlockTemplateUtils::create_new_block_template_object( $template_file_path, $template_type, $template_slug ); $template_built = BlockTemplateUtils::build_template_result_from_file( $template_object, $template_type );
if ( null !== $template_built ) { return $template_built; }
// Hand back over to Gutenberg if we can't find a template. return $template; }
/** * Add the template title and description to WooCommerce templates. * * @param WP_Block_Template|null $block_template The found block template, or null if there isn't one. * @param string $id Template unique identifier (example: 'theme_slug//template_slug'). * @param array $template_type Template type: 'wp_template' or 'wp_template_part'. * @return WP_Block_Template|null */ public function add_block_template_details( $block_template, $id, $template_type ) { return BlockTemplateUtils::update_template_data( $block_template, $template_type ); }
/** * Add the block template objects to be used. * * @param array $query_result Array of template objects. * @param array $query Optional. Arguments to retrieve templates. * @param string $template_type wp_template or wp_template_part. * @return array */ public function add_block_templates( $query_result, $query, $template_type ) { $slugs = isset( $query['slug__in'] ) ? $query['slug__in'] : array();
if ( ! BlockTemplateUtils::supports_block_templates( $template_type ) && ! in_array( ComingSoonTemplate::SLUG, $slugs, true ) ) { return $query_result; }
$post_type = isset( $query['post_type'] ) ? $query['post_type'] : ''; $template_files = $this->get_block_templates( $slugs, $template_type ); $theme_slug = wp_get_theme()->get_stylesheet();
// @todo: Add apply_filters to _gutenberg_get_template_files() in Gutenberg to prevent duplication of logic. foreach ( $template_files as $template_file ) {
// If we have a template which is eligible for a fallback, we need to explicitly tell Gutenberg that // it has a theme file (because it is using the fallback template file). And then `continue` to avoid // adding duplicates. if ( BlockTemplateUtils::set_has_theme_file_if_fallback_is_available( $query_result, $template_file ) ) { continue; }
// If the current $post_type is set (e.g. on an Edit Post screen), and isn't included in the available post_types // on the template file, then lets skip it so that it doesn't get added. This is typically used to hide templates // in the template dropdown on the Edit Post page. if ( $post_type && isset( $template_file->post_types ) && ! in_array( $post_type, $template_file->post_types, true ) ) { continue; }
// It would be custom if the template was modified in the editor, so if it's not custom we can load it from // the filesystem. if ( 'custom' === $template_file->source ) { $query_result[] = $template_file; continue; }
$possible_template_ids = [ $theme_slug . '//' . $template_file->slug, $theme_slug . '//' . BlockTemplateUtils::DIRECTORY_NAMES['TEMPLATE_PARTS'] . '/' . $template_file->slug, $theme_slug . '//' . BlockTemplateUtils::DIRECTORY_NAMES['DEPRECATED_TEMPLATE_PARTS'] . '/' . $template_file->slug, ];
$is_custom = false; $query_result_template_ids = array_column( $query_result, 'id' );
foreach ( $possible_template_ids as $template_id ) { if ( in_array( $template_id, $query_result_template_ids, true ) ) { $is_custom = true; break; } } $fits_slug_query = ! isset( $query['slug__in'] ) || in_array( $template_file->slug, $query['slug__in'], true ); $fits_area_query = ! isset( $query['area'] ) || ( property_exists( $template_file, 'area' ) && $template_file->area === $query['area'] ); $should_include = ! $is_custom && $fits_slug_query && $fits_area_query; if ( $should_include ) { $template = BlockTemplateUtils::build_template_result_from_file( $template_file, $template_type ); $query_result[] = $template; } }
// We need to remove theme (i.e. filesystem) templates that have the same slug as a customised one. // This only affects saved templates that were saved BEFORE a theme template with the same slug was added. $query_result = BlockTemplateUtils::remove_theme_templates_with_custom_alternative( $query_result );
// There is the chance that the user customized the default template, installed a theme with a custom template // and customized that one as well. When that happens, duplicates might appear in the list. // See: https://github.com/woocommerce/woocommerce/issues/42220. $query_result = BlockTemplateUtils::remove_duplicate_customized_templates( $query_result, $theme_slug );
/** * WC templates from theme aren't included in `$this->get_block_templates()` but are handled by Gutenberg. * We need to do additional search through all templates file to update title and description for WC * templates that aren't listed in theme.json. */ $query_result = array_map( function ( $template ) use ( $template_type ) { return BlockTemplateUtils::update_template_data( $template, $template_type ); }, $query_result );
return $query_result; }
/** * Gets the templates saved in the database. * * @param array $slugs An array of slugs to retrieve templates for. * @param string $template_type wp_template or wp_template_part. * * @return int[]|\WP_Post[] An array of found templates. */ public function get_block_templates_from_db( $slugs = array(), $template_type = 'wp_template' ) { wc_deprecated_function( 'BlockTemplatesController::get_block_templates_from_db()', '7.8', '\Automattic\WooCommerce\Blocks\Utils\BlockTemplateUtils::get_block_templates_from_db()' ); return BlockTemplateUtils::get_block_templates_from_db( $slugs, $template_type ); }
/** * Gets the templates from the WooCommerce blocks directory, skipping those for which a template already exists * in the theme directory. * * @param string[] $slugs An array of slugs to filter templates by. Templates whose slug does not match will not be returned. * @param array $already_found_templates Templates that have already been found, these are customised templates that are loaded from the database. * @param string $template_type wp_template or wp_template_part. * * @return array Templates from the WooCommerce blocks plugin directory. */ public function get_block_templates_from_woocommerce( $slugs, $already_found_templates, $template_type = 'wp_template' ) { $template_files = BlockTemplateUtils::get_template_paths( $template_type ); $templates = array();
foreach ( $template_files as $template_file ) { // Skip the template if it's blockified, and we should only use classic ones. if ( ! BlockTemplateUtils::should_use_blockified_product_grid_templates() && strpos( $template_file, 'blockified' ) !== false ) { continue; }
$template_slug = BlockTemplateUtils::generate_template_slug_from_path( $template_file );
// This template does not have a slug we're looking for. Skip it. if ( is_array( $slugs ) && count( $slugs ) > 0 && ! in_array( $template_slug, $slugs, true ) ) { continue; }
// If the theme already has a template, or the template is already in the list (i.e. it came from the // database) then we should not overwrite it with the one from the filesystem. if ( BlockTemplateUtils::theme_has_template( $template_slug ) || count( array_filter( $already_found_templates, function ( $template ) use ( $template_slug ) { $template_obj = (object) $template; //phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found return $template_obj->slug === $template_slug; } ) ) > 0 ) { continue; }
if ( BlockTemplateUtils::template_is_eligible_for_fallback_from_db( $template_slug, $already_found_templates ) ) { $template = clone BlockTemplateUtils::get_fallback_template_from_db( $template_slug, $already_found_templates ); $template_id = explode( '//', $template->id ); $template->id = $template_id[0] . '//' . $template_slug; $template->slug = $template_slug; $template->title = BlockTemplateUtils::get_block_template_title( $template_slug ); $template->description = BlockTemplateUtils::get_block_template_description( $template_slug ); $templates[] = $template; continue; }
// If the template is not present in the theme but its fallback template is, // let's use the theme's fallback template. if ( BlockTemplateUtils::template_is_eligible_for_fallback_from_theme( $template_slug ) ) { $registered_template = BlockTemplateUtils::get_template( $template_slug ); $template_file = BlockTemplateUtils::get_theme_template_path( $registered_template->fallback_template ); $templates[] = BlockTemplateUtils::create_new_block_template_object( $template_file, $template_type, $template_slug, true ); continue; }
// At this point the template only exists in the Blocks filesystem and has not been saved in the DB, // or superseded by the theme. $templates[] = BlockTemplateUtils::create_new_block_template_object( $template_file, $template_type, $template_slug ); }
return $templates; }
/** * Get and build the block template objects from the block template files. * * @param array $slugs An array of slugs to retrieve templates for. * @param string $template_type wp_template or wp_template_part. * * @return array WP_Block_Template[] An array of block template objects. */ public function get_block_templates( $slugs = array(), $template_type = 'wp_template' ) { $templates_from_db = BlockTemplateUtils::get_block_templates_from_db( $slugs, $template_type ); $templates_from_woo = $this->get_block_templates_from_woocommerce( $slugs, $templates_from_db, $template_type );
return array_merge( $templates_from_db, $templates_from_woo ); }
/** * Checks whether a block template with that name exists in Woo Blocks * * @param string $template_name Template to check. * @param array $template_type wp_template or wp_template_part. * * @return boolean */ public function block_template_is_available( $template_name, $template_type = 'wp_template' ) { if ( ! $template_name ) { return false; } $directory = BlockTemplateUtils::get_templates_directory( $template_type ) . '/' . $template_name . '.html';
return is_readable( $directory ) || $this->get_block_templates( array( $template_name ), $template_type ); } }
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