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<?php |
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namespace WPDeveloper\BetterDocs\Utils; |
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|
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/** |
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* Utility methods used for serving block templates from BetterDocs Blocks. |
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* {@internal This class and its methods should only be used within the class-block-template-controller.php and is not intended for public use.} |
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*/ |
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class BlockTemplate { |
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const ELIGIBLE_FOR_DOC_ARCHIVE_FALLBACK = [ 'taxonomy-doc_category', 'taxonomy-doc_tag' ]; |
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|
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/** |
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* BetterDocs plugin slug |
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* |
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* This is used to save templates to the DB which are stored against this value in the wp_terms table. |
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* |
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* @var string |
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*/ |
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const PLUGIN_SLUG = 'betterdocs/betterdocs'; |
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|
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/** |
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* Gets the directory where templates of a specific template type can be found. |
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* |
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* @param string $template_type wp_template or wp_template_part. |
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* |
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* @return string |
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*/ |
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public function get_templates_directory( $template_type = 'wp_template' ) { |
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return BETTERDOCS_FSE_TEMPLATES_PATH . DIRECTORY_SEPARATOR; |
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} |
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|
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/** |
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* Returns an array containing the references of |
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* the passed blocks and their inner blocks. |
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* |
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* @param array $blocks array of blocks. |
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* |
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* @return array block references to the passed blocks and their inner blocks. |
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*/ |
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public function flatten_blocks( &$blocks ) { |
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$all_blocks = []; |
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$queue = []; |
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foreach ( $blocks as &$block ) { |
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$queue[] = &$block; |
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} |
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$queue_count = count( $queue ); |
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|
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while ( $queue_count > 0 ) { |
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$block = &$queue[0]; |
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array_shift( $queue ); |
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$all_blocks[] = &$block; |
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|
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if ( ! empty( $block['innerBlocks'] ) ) { |
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foreach ( $block['innerBlocks'] as &$inner_block ) { |
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$queue[] = &$inner_block; |
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} |
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} |
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|
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$queue_count = count( $queue ); |
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} |
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|
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return $all_blocks; |
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} |
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|
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/** |
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* Parses wp_template content and injects the current theme's |
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* stylesheet as a theme attribute into each wp_template_part |
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* |
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* @param string $template_content serialized wp_template content. |
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* |
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* @return string Updated wp_template content. |
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*/ |
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public function inject_theme_attribute_in_content( $template_content ) { |
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$has_updated_content = false; |
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$new_content = ''; |
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$template_blocks = parse_blocks( $template_content ); |
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|
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$blocks = $this->flatten_blocks( $template_blocks ); |
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foreach ( $blocks as &$block ) { |
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if ( |
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'core/template-part' === $block['blockName'] && |
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! isset( $block['attrs']['theme'] ) |
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) { |
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$block['attrs']['theme'] = wp_get_theme()->get_stylesheet(); |
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$has_updated_content = true; |
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} |
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} |
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|
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if ( $has_updated_content ) { |
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foreach ( $template_blocks as &$block ) { |
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$new_content .= serialize_block( $block ); |
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} |
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|
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return $new_content; |
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} |
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|
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return $template_content; |
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} |
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|
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/** |
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* Build a unified template object based a post Object. |
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* Important: This method is an almost identical duplicate from wp-includes/block-template-utils.php as it was not intended for public use. It has been modified to build templates from plugins rather than themes. |
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* |
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* @param \WP_Post $post Template post. |
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* |
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* @return \WP_Block_Template|\WP_Error Template. |
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*/ |
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public static function build_template_result_from_post( $post ) { |
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$terms = get_the_terms( $post, 'wp_theme' ); |
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|
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if ( is_wp_error( $terms ) ) { |
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return $terms; |
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} |
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|
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if ( ! $terms ) { |
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return new \WP_Error( 'template_missing_theme', __( 'No theme is defined for this template.', 'betterdocs' ) ); |
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} |
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|
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$theme = $terms[0]->name; |
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$has_theme_file = true; |
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|
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$template = new \WP_Block_Template(); |
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$template->wp_id = $post->ID; |
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$template->id = $theme . '//' . $post->post_name; |
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$template->theme = $theme; |
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$template->content = $post->post_content; |
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$template->slug = $post->post_name; |
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$template->source = 'custom'; |
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$template->type = $post->post_type; |
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$template->description = $post->post_excerpt; |
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$template->title = $post->post_title; |
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$template->status = $post->post_status; |
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$template->has_theme_file = $has_theme_file; |
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$template->is_custom = false; |
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$template->post_types = array(); // Don't appear in any Edit Post template selector dropdown. |
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|
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if ( 'wp_template_part' === $post->post_type ) { |
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$type_terms = get_the_terms( $post, 'wp_template_part_area' ); |
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if ( ! is_wp_error( $type_terms ) && false !== $type_terms ) { |
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$template->area = $type_terms[0]->name; |
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} |
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} |
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|
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// We are checking 'woocommerce' to maintain classic templates which are saved to the DB, |
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// prior to updating to use the correct slug. |
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// More information found here: https://github.com/woocommerce/woocommerce-gutenberg-products-block/issues/5423. |
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if ( self::PLUGIN_SLUG === $theme ) { |
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$template->origin = 'plugin'; |
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} |
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|
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/* |
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* Run the block hooks algorithm introduced in WP 6.4 on the template content. |
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*/ |
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if ( function_exists( 'inject_ignored_hooked_blocks_metadata_attributes' ) ) { |
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$hooked_blocks = get_hooked_blocks(); |
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if ( ! empty( $hooked_blocks ) || has_filter( 'hooked_block_types' ) ) { |
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$before_block_visitor = make_before_block_visitor( $hooked_blocks, $template ); |
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$after_block_visitor = make_after_block_visitor( $hooked_blocks, $template ); |
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$blocks = parse_blocks( $template->content ); |
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$template->content = traverse_and_serialize_blocks( $blocks, $before_block_visitor, $after_block_visitor ); |
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} |
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} |
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|
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return $template; |
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} |
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|
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/** |
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* Build a unified template object based on a theme file. |
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* |
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* @internal Important: This method is an almost identical duplicate from wp-includes/block-template-utils.php as it was not intended for public use. It has been modified to build templates from plugins rather than themes. |
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* |
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* @param array|object $template_file Theme file. |
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* @param string $template_type wp_template or wp_template_part. |
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* |
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* @return \WP_Block_Template Template. |
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*/ |
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public function build_template_result_from_file( $template_file, $template_type ) { |
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$template_file = (object) $template_file; |
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|
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// If the theme has an archive-products.html template but does not have product taxonomy templates |
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// then we will load in the archive-product.html template from the theme to use for product taxonomies on the frontend. |
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$template_is_from_theme = 'theme' === $template_file->source; |
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$theme_name = wp_get_theme()->get( 'TextDomain' ); |
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|
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// phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents |
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$template_content = file_get_contents( $template_file->path ); |
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$template = new \WP_Block_Template(); |
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$template->id = $template_is_from_theme ? $theme_name . '//' . $template_file->slug : self::PLUGIN_SLUG . '//' . $template_file->slug; |
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$template->theme = $template_is_from_theme ? $theme_name : self::PLUGIN_SLUG; |
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$template->content = self::inject_theme_attribute_in_content( $template_content ); |
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// Remove the term description block from the archive-product template |
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// as the Product Catalog/Shop page doesn't have a description. |
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if ( 'archive-docs' === $template_file->slug ) { |
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$template->content = str_replace( '<!-- wp:term-description {"align":"wide"} /-->', '', $template->content ); |
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} |
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// Plugin was agreed as a valid source value despite existing inline docs at the time of creating: https://github.com/WordPress/gutenberg/issues/36597#issuecomment-976232909. |
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$template->source = $template_file->source ? $template_file->source : 'plugin'; |
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$template->slug = $template_file->slug; |
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$template->type = $template_type; |
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$template->title = ! empty( $template_file->title ) ? $template_file->title : self::get_block_template_title( $template_file->slug ); |
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$template->description = ! empty( $template_file->description ) ? $template_file->description : self::get_block_template_description( $template_file->slug ); |
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$template->status = 'publish'; |
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$template->has_theme_file = true; |
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$template->origin = $template_file->source; |
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$template->is_custom = false; // Templates loaded from the filesystem aren't custom, ones that have been edited and loaded from the DB are. |
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$template->post_types = array(); // Don't appear in any Edit Post template selector dropdown. |
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$template->area = 'uncategorized'; |
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|
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/* |
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* Run the block hooks algorithm introduced in WP 6.4 on the template content. |
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*/ |
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if ( function_exists( 'inject_ignored_hooked_blocks_metadata_attributes' ) ) { |
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$before_block_visitor = '_inject_theme_attribute_in_template_part_block'; |
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$after_block_visitor = null; |
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$hooked_blocks = get_hooked_blocks(); |
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if ( ! empty( $hooked_blocks ) || has_filter( 'hooked_block_types' ) ) { |
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$before_block_visitor = make_before_block_visitor( $hooked_blocks, $template ); |
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$after_block_visitor = make_after_block_visitor( $hooked_blocks, $template ); |
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} |
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$blocks = parse_blocks( $template->content ); |
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$template->content = traverse_and_serialize_blocks( $blocks, $before_block_visitor, $after_block_visitor ); |
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} |
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|
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return $template; |
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} |
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|
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/** |
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* Build a new template object so that we can make BetterDocs Blocks default templates available in the current theme should they not have any. |
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* |
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* @param string $template_file Block template file path. |
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* @param string $template_type wp_template or wp_template_part. |
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* @param string $template_slug Block template slug e.g. single-docs. |
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* @param bool $template_is_from_theme If the block template file is being loaded from the current theme instead of BetterDocs Blocks. |
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* |
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* @return object Block template object. |
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*/ |
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public function create_new_block_template_object( $template_file, $template_type, $template_slug, $template_is_from_theme = false ) { |
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$theme_name = wp_get_theme()->get( 'TextDomain' ); |
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|
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$new_template_item = [ |
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'slug' => $template_slug, |
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'id' => $template_is_from_theme ? $theme_name . '//' . $template_slug : self::PLUGIN_SLUG . '//' . $template_slug, |
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'path' => $template_file, |
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'type' => $template_type, |
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'theme' => $template_is_from_theme ? $theme_name : self::PLUGIN_SLUG, |
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// Plugin was agreed as a valid source value despite existing inline docs at the time of creating: https://github.com/WordPress/gutenberg/issues/36597#issuecomment-976232909. |
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'source' => $template_is_from_theme ? 'theme' : 'plugin', |
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'title' => $this->convert_slug_to_title( $template_slug ), |
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'description' => '', |
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'post_types' => [] // Don't appear in any Edit Post template selector dropdown. |
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]; |
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|
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return (object) $new_template_item; |
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} |
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|
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/** |
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* Finds all nested template part file paths in a theme's directory. |
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* |
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* @param string $base_directory The theme's file path. |
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* @return array $path_list A list of paths to all template part files. |
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*/ |
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public function get_template_paths( $base_directory ) { |
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$path_list = []; |
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if ( file_exists( $base_directory ) ) { |
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$nested_files = new \RecursiveIteratorIterator( new \RecursiveDirectoryIterator( $base_directory ) ); |
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$nested_html_files = new \RegexIterator( $nested_files, '/^.+\.html$/i', \RecursiveRegexIterator::GET_MATCH ); |
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foreach ( $nested_html_files as $path => $file ) { |
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$path_list[] = $path; |
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} |
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} |
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return $path_list; |
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} |
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|
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/** |
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* Returns template titles. |
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* |
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* @param string $template_slug The templates slug (e.g. single-docs). |
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* @return string Human friendly title. |
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*/ |
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public function get_block_template_title( $template_slug ) { |
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$plugin_template_types = $this->get_plugin_block_template_types(); |
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if ( isset( $plugin_template_types[ $template_slug ] ) ) { |
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return $plugin_template_types[ $template_slug ]['title']; |
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} else { |
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// Human friendly title converted from the slug. |
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return ucwords( preg_replace( '/[\-_]/', ' ', $template_slug ) ); |
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} |
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} |
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|
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/** |
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* Returns template descriptions. |
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* |
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* @param string $template_slug The templates slug (e.g. single-docs). |
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* @return string Template description. |
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*/ |
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public function get_block_template_description( $template_slug ) { |
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$plugin_template_types = $this->get_plugin_block_template_types(); |
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if ( isset( $plugin_template_types[ $template_slug ] ) ) { |
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return $plugin_template_types[ $template_slug ]['description']; |
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} |
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return ''; |
| 301 |
} |
| 302 |
|
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public function get_templates_fils_from_betterdocs( $template_type ) { |
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$directory = $this->get_templates_directory( $template_type ); |
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$template_files = $this->get_template_paths( $directory ); |
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return $template_files; |
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} |
| 308 |
|
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/** |
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* Gets the templates from the BetterDocs blocks directory |
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* |
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* @param string[] $slugs An array of slugs to filter templates by. Templates whose slug does not match will not be returned. |
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* @param array $already_found_templates Templates that have already been found, these are customised templates that are loaded from the database. |
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* @param string $template_type wp_template or wp_template_part. |
| 315 |
* |
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* @return array Templates from the BetterDocs blocks plugin directory. |
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*/ |
| 318 |
public function get_block_templates_from_betterdocs( $slugs, $already_found_templates, $template_type = 'wp_template' ) { |
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|
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$template_files = $this->get_templates_fils_from_betterdocs( $template_type ); |
| 321 |
$templates = []; |
| 322 |
|
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// Check if BetterDocs Pro is not installed |
| 324 |
if ( ! betterdocs()->is_pro_active() || ( betterdocs()->is_pro_active() && betterdocs()->settings->get( 'multiple_kb' ) == false ) ) { |
| 325 |
// Remove the 'taxonomy-knowledge_base.html' file |
| 326 |
$template_files = array_filter( |
| 327 |
$template_files, |
| 328 |
function ( $file ) { |
| 329 |
return strpos( $file, 'taxonomy-knowledge_base.html' ) === false; |
| 330 |
} |
| 331 |
); |
| 332 |
} |
| 333 |
|
| 334 |
foreach ( $template_files as $template_file ) { |
| 335 |
$template_slug = $this->generate_template_slug_from_path( $template_file ); |
| 336 |
|
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// This template does not have a slug we're looking for. Skip it. |
| 338 |
if ( is_array( $slugs ) && count( $slugs ) > 0 && ! in_array( $template_slug, $slugs, true ) ) { |
| 339 |
continue; |
| 340 |
} |
| 341 |
|
| 342 |
// If the the template is already in the list (i.e. it came from the |
| 343 |
// database) then we should not overwrite it with the one from the filesystem. |
| 344 |
if ( |
| 345 |
count( |
| 346 |
array_filter( |
| 347 |
$already_found_templates, |
| 348 |
function ( $template ) use ( $template_slug ) { |
| 349 |
$template_obj = (object) $template; //phpcs:ignore WordPress.CodeAnalysis.AssignmentInCondition.Found |
| 350 |
return $template_obj->slug === $template_slug; |
| 351 |
} |
| 352 |
) |
| 353 |
) > 0 ) { |
| 354 |
continue; |
| 355 |
} |
| 356 |
|
| 357 |
// At this point the template only exists in the Blocks filesystem and has not been saved in the DB, |
| 358 |
// or superseded by the theme. |
| 359 |
$templates[] = $this->create_new_block_template_object( $template_file, $template_type, $template_slug ); |
| 360 |
} |
| 361 |
return $templates; |
| 362 |
} |
| 363 |
|
| 364 |
/** |
| 365 |
* Returns a filtered list of plugin template types, containing their |
| 366 |
* localized titles and descriptions. |
| 367 |
* |
| 368 |
* @return array The plugin template types. |
| 369 |
*/ |
| 370 |
public function get_plugin_block_template_types() { |
| 371 |
$plugin_template_types = [ |
| 372 |
'archive-docs' => [ |
| 373 |
'title' => _x( 'Docs Page', 'Template name', 'betterdocs' ), |
| 374 |
'description' => __( 'Template used to display Docs Page.', 'betterdocs' ) |
| 375 |
], |
| 376 |
'taxonomy-doc_category' => [ |
| 377 |
'title' => _x( 'Docs Category', 'Template name', 'betterdocs' ), |
| 378 |
'description' => __( 'Template used to display docs by category.', 'betterdocs' ) |
| 379 |
], |
| 380 |
'taxonomy-doc_tag' => [ |
| 381 |
'title' => _x( 'Docs Tag', 'Template name', 'betterdocs' ), |
| 382 |
'description' => __( 'Template used to display docs by tag.', 'betterdocs' ) |
| 383 |
], |
| 384 |
'single-docs' => [ |
| 385 |
'title' => _x( 'Single Docs', 'Template name', 'betterdocs' ), |
| 386 |
'description' => __( 'Template used to display the single docs.', 'betterdocs' ) |
| 387 |
] |
| 388 |
]; |
| 389 |
|
| 390 |
return $plugin_template_types; |
| 391 |
} |
| 392 |
|
| 393 |
/** |
| 394 |
* Converts template slugs into readable titles. |
| 395 |
* |
| 396 |
* @param string $template_slug The templates slug (e.g. single-docs). |
| 397 |
* @return string Human friendly title converted from the slug. |
| 398 |
*/ |
| 399 |
public function convert_slug_to_title( $template_slug ) { |
| 400 |
switch ( $template_slug ) { |
| 401 |
case 'single-docs': |
| 402 |
return __( 'Single Docs', 'betterdocs' ); |
| 403 |
case 'archive-docs': |
| 404 |
return __( 'Docs Page', 'betterdocs' ); |
| 405 |
case 'taxonomy-doc_category': |
| 406 |
return __( 'Docs Category', 'betterdocs' ); |
| 407 |
case 'taxonomy-doc_tag': |
| 408 |
return __( 'Docs Tag', 'betterdocs' ); |
| 409 |
default: |
| 410 |
// Replace all hyphens and underscores with spaces. |
| 411 |
return ucwords( preg_replace( '/[\-_]/', ' ', $template_slug ) ); |
| 412 |
} |
| 413 |
} |
| 414 |
|
| 415 |
/** |
| 416 |
* Converts template paths into a slug |
| 417 |
* |
| 418 |
* @param string $path The template's path. |
| 419 |
* @return string slug |
| 420 |
*/ |
| 421 |
public function generate_template_slug_from_path( $path ) { |
| 422 |
$template_extension = '.html'; |
| 423 |
|
| 424 |
return basename( $path, $template_extension ); |
| 425 |
} |
| 426 |
|
| 427 |
/** |
| 428 |
* Checks to see if they are using a compatible version of WP, or if not they have a compatible version of the Gutenberg plugin installed. |
| 429 |
* |
| 430 |
* @return boolean |
| 431 |
*/ |
| 432 |
public function supports_block_templates() { |
| 433 |
if ( |
| 434 |
! betterdocs()->helper->current_theme_is_fse_theme() && |
| 435 |
( ! function_exists( 'gutenberg_supports_block_templates' ) || ! gutenberg_supports_block_templates() ) |
| 436 |
) { |
| 437 |
return false; |
| 438 |
} |
| 439 |
|
| 440 |
return true; |
| 441 |
} |
| 442 |
|
| 443 |
/** |
| 444 |
* Retrieves a single unified template object using its id. |
| 445 |
* |
| 446 |
* @param string $id Template unique identifier (example: theme_slug//template_slug). |
| 447 |
* @param string $template_type Optional. Template type: `'wp_template'` or '`wp_template_part'`. |
| 448 |
* Default `'wp_template'`. |
| 449 |
* |
| 450 |
* @return \WP_Block_Template|null Template. |
| 451 |
*/ |
| 452 |
public static function get_block_template( $id, $template_type ) { |
| 453 |
if ( function_exists( 'get_block_template' ) ) { |
| 454 |
return get_block_template( $id, $template_type ); |
| 455 |
} |
| 456 |
|
| 457 |
if ( function_exists( 'gutenberg_get_block_template' ) ) { |
| 458 |
return gutenberg_get_block_template( $id, $template_type ); |
| 459 |
} |
| 460 |
|
| 461 |
return null; |
| 462 |
} |
| 463 |
|
| 464 |
/** |
| 465 |
* Checks if we can fallback to the `archive-docs` template for a given slug |
| 466 |
* |
| 467 |
* `taxonomy-doc_category`, `taxonomy-knowledge_base` and `taxonomy-doc_tag` templates can generally use the |
| 468 |
* `archive-docs` as a fallback if there are no specific overrides. |
| 469 |
* |
| 470 |
* @param string $template_slug Slug to check for fallbacks. |
| 471 |
* @return boolean |
| 472 |
*/ |
| 473 |
public function template_is_eligible_for_docs_archive_fallback( $template_slug ) { |
| 474 |
return in_array( $template_slug, self::ELIGIBLE_FOR_DOC_ARCHIVE_FALLBACK, true ); |
| 475 |
} |
| 476 |
|
| 477 |
/** |
| 478 |
* Sets the `has_theme_file` to `true` for templates with fallbacks |
| 479 |
* |
| 480 |
* There are cases (such as tags and categories) in which fallback templates |
| 481 |
* can be used; so, while *technically* the theme doesn't have a specific file |
| 482 |
* for them, it is important that we tell Gutenberg that we do, in fact, |
| 483 |
* have a theme file (i.e. the fallback one). |
| 484 |
* |
| 485 |
* **Note:** this function changes the array that has been passed. |
| 486 |
* |
| 487 |
* It returns `true` if anything was changed, `false` otherwise. |
| 488 |
* |
| 489 |
* @param array $query_result Array of template objects. |
| 490 |
* @param object $template A specific template object which could have a fallback. |
| 491 |
* |
| 492 |
* @return boolean |
| 493 |
*/ |
| 494 |
public function set_has_theme_file_if_fallback_is_available( $query_result, $template ) { |
| 495 |
foreach ( $query_result as &$query_result_template ) { |
| 496 |
if ( |
| 497 |
$query_result_template->slug === $template->slug |
| 498 |
&& $query_result_template->theme === $template->theme |
| 499 |
) { |
| 500 |
if ( $this->template_is_eligible_for_docs_archive_fallback( $template->slug ) ) { |
| 501 |
$query_result_template->has_theme_file = true; |
| 502 |
} |
| 503 |
|
| 504 |
return true; |
| 505 |
} |
| 506 |
} |
| 507 |
|
| 508 |
return false; |
| 509 |
} |
| 510 |
|
| 511 |
/** |
| 512 |
* Removes templates that were added to a theme's block-templates directory, but already had a customised version saved in the database. |
| 513 |
* |
| 514 |
* @param \WP_Block_Template[]|\stdClass[] $templates List of templates to run the filter on. |
| 515 |
* |
| 516 |
* @return array List of templates with duplicates removed. The customised alternative is preferred over the theme default. |
| 517 |
*/ |
| 518 |
public static function remove_theme_templates_with_custom_alternative( $templates ) { |
| 519 |
|
| 520 |
// Get the slugs of all templates that have been customised and saved in the database. |
| 521 |
$customised_template_slugs = array_map( |
| 522 |
function ( $template ) { |
| 523 |
return $template->slug; |
| 524 |
}, |
| 525 |
array_values( |
| 526 |
array_filter( |
| 527 |
$templates, |
| 528 |
function ( $template ) { |
| 529 |
// This template has been customised and saved as a post. |
| 530 |
return 'custom' === $template->source; |
| 531 |
} |
| 532 |
) |
| 533 |
) |
| 534 |
); |
| 535 |
|
| 536 |
// Remove theme (i.e. filesystem) templates that have the same slug as a customised one. We don't need to check |
| 537 |
// for `betterdocs` in $template->source here because betterdocs templates won't have been added to $templates |
| 538 |
// if a saved version was found in the db. This only affects saved templates that were saved BEFORE a theme |
| 539 |
// template with the same slug was added. |
| 540 |
return array_values( |
| 541 |
array_filter( |
| 542 |
$templates, |
| 543 |
function ( $template ) use ( $customised_template_slugs ) { |
| 544 |
// This template has been customised and saved as a post, so return it. |
| 545 |
return ! ( 'theme' === $template->source && in_array( $template->slug, $customised_template_slugs, true ) ); |
| 546 |
} |
| 547 |
) |
| 548 |
); |
| 549 |
} |
| 550 |
} |
| 551 |
|
