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<?php |
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namespace WPDeveloper\BetterDocs\Modules; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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|
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|
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// Doc/category-listing primitives (meta_query/tax_query, post__not_in/exclude) |
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// are intrinsic to BetterDocs' KB / category / FAQ filters and intentional. |
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// phpcs:disable WordPress.DB.SlowDBQuery.slow_db_query_meta_key |
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// phpcs:disable WordPress.DB.SlowDBQuery.slow_db_query_meta_query |
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// phpcs:disable WordPress.DB.SlowDBQuery.slow_db_query_tax_query |
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// phpcs:disable WordPressVIPMinimum.Performance.WPQueryParams.PostNotIn_exclude |
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// phpcs:disable WordPressVIPMinimum.Performance.WPQueryParams.PostNotIn_post__not_in |
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use WPDeveloper\BetterDocs\Utils\CSSParser; |
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|
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final class StyleHandler { |
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private static $instance; |
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|
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private $prefix = 'betterdocs-style'; |
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private $style_dir; |
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private $style_url; |
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/** |
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* Holds block styles array |
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* |
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* @var array |
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*/ |
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public static $_block_styles = array( ); |
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|
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/** |
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* Post IDs of FSE templates / template parts whose CSS was generated |
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* during the current request. Used to enqueue the matching per-template |
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* CSS files on the frontend. |
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* |
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* @var int[] |
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*/ |
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public static $_fse_template_post_ids = array( ); |
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|
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public static function init() { |
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if ( null === self::$instance ) { |
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self::$instance = new self(); |
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} |
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|
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return self::$instance; |
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} |
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|
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public function __construct() { |
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$upload_dir = wp_upload_dir(); |
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|
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$this->style_dir = $upload_dir[ 'basedir' ] . '/' . $this->prefix . DIRECTORY_SEPARATOR; |
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$this->style_url = set_url_scheme( $upload_dir[ 'baseurl' ] ) . '/' . $this->prefix . '/'; |
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|
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_frontend_assets' ), 99 ); |
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add_action( 'save_post', array( $this, 'on_save_post' ), 10, 3 ); |
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add_action( 'wp', array( $this, 'generate_post_content' ) ); |
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add_action( 'rest_after_save_widget', array( $this, 'after_save_widget' ), 10, 4 ); |
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|
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// FSE assets generation |
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add_action( |
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'init', |
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function () { |
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if ( function_exists( 'wp_is_block_theme' ) && wp_is_block_theme() ) { |
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add_filter( '404_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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add_filter( 'archive_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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add_filter( 'category_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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add_filter( 'frontpage_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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add_filter( 'home_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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add_filter( 'index_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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add_filter( 'page_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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add_filter( 'search_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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add_filter( 'single_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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add_filter( 'singular_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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add_filter( 'tag_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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add_filter( 'taxonomy_template', array( $this, 'fse_assets_generation' ), 99, 3 ); |
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} |
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}, |
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999 |
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); |
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} |
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|
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/** |
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* Generate FSE Assets |
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*/ |
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public function fse_assets_generation( $template, $type, $templates ) { |
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$block_template = resolve_block_template( $type, $templates, $template ); |
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if ( ! empty( $block_template ) ) { |
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$parsed_content = parse_blocks( $block_template->content ); |
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if ( is_array( $parsed_content ) && ! empty( $parsed_content ) ) { |
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foreach ( $parsed_content as $content ) { |
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if ( ( 'core/template-part' == $content[ 'blockName' ] ) || ( 'core/template' == $content[ 'blockName' ] ) ) { |
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$post_ids = isset( $content[ 'attrs' ][ 'slug' ] ) ? self::betterdocs_get_post_content_by_post_name( $content[ 'attrs' ][ 'slug' ] ) : array( ); |
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|
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if ( ! empty( $post_ids ) ) { |
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foreach ( $post_ids as $id ) { |
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$post_id = (int) $id[ 'ID' ]; |
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self::$_fse_template_post_ids[ ] = $post_id; |
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$post = get_post( $post_id ); |
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$parsed_content = parse_blocks( $post->post_content ); |
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$this->write_css_from_content( $post, $post_id, $parsed_content ); |
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} |
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} |
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} else { |
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$post_ids = self::betterdocs_get_post_content_by_post_name( $block_template->slug ); |
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if ( ! empty( $post_ids ) ) { |
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foreach ( $post_ids as $id ) { |
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$post_id = (int) $id[ 'ID' ]; |
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self::$_fse_template_post_ids[ ] = $post_id; |
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$post = get_post( $post_id ); |
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$parsed_content = parse_blocks( $post->post_content ); |
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$this->write_css_from_content( $post, $post_id, $parsed_content ); |
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} |
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} |
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} |
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} |
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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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* Write CSS |
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*/ |
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public function write_css_from_content( $post, $post_id, $parsed_content ) { |
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$betterdocs_blocks = array( ); |
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$recursive_response = CSSParser::betterdocs_block_style_recursive( $parsed_content, $betterdocs_blocks ); |
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$reusable_Blocks = ! empty( $recursive_response[ 'reusableBlocks' ] ) ? $recursive_response[ 'reusableBlocks' ] : array( ); |
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// remove empty reusable blocks |
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$reusable_Blocks = array_filter( |
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$reusable_Blocks, |
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function ( $v ) { |
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return ! empty( $v ); |
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} |
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); |
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unset( $recursive_response[ 'reusableBlocks' ] ); |
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$style = CSSParser::blocks_to_style_array( $recursive_response ); |
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$reusableIds = $reusable_Blocks ? array_keys( $reusable_Blocks ) : array( ); |
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if ( ! empty( $reusableIds ) ) { |
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update_option( '_betterdocs_reusable_block_ids', $reusableIds ); |
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} |
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update_post_meta( $post_id, '_betterdocs_reusable_block_ids', $reusableIds ); |
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$this->write_block_css( $style, $post ); //Write CSS file for this page |
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|
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if ( ! empty( $reusable_Blocks ) ) { |
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foreach ( $reusable_Blocks as $blockId => $block ) { |
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$style = CSSParser::blocks_to_style_array( $block ); |
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$this->write_reusable_block_css( $style, $blockId ); |
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} |
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} |
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} |
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|
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/** |
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* Save Widget CSS when Widget is saved |
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* @return void |
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* @since 3.5.3 |
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*/ |
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public function after_save_widget( $id, $sidebar_id, $request, $creating ) { |
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$parsed_content = isset( $request[ 'instance' ][ 'raw' ][ 'content' ] ) ? parse_blocks( $request[ 'instance' ][ 'raw' ][ 'content' ] ) : array( ); |
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if ( is_array( $parsed_content ) && ! empty( $parsed_content ) ) { |
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$betterdocs_blocks = array( ); |
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$recursive_response = CSSParser::betterdocs_block_style_recursive( $parsed_content, $betterdocs_blocks ); |
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unset( $recursive_response[ 'reusableBlocks' ] ); |
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$style = CSSParser::blocks_to_style_array( $recursive_response ); |
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//Write CSS file for Widget |
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$this->single_file_css_generator( $style, $this->style_dir, $this->prefix . '-widget.min.css' ); |
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} |
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} |
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|
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/** |
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* Load Dependencies |
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*/ |
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private function load_style_handler_dependencies() { |
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require_once plugin_dir_path( __FILE__ ) . 'includes/class-parse-css.php'; |
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} |
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|
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/** |
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* Enqueue frontend css for post if have one |
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* @return void |
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* @since 1.0.2 |
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*/ |
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public function enqueue_frontend_assets() { |
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global $post; |
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$deps = apply_filters( 'betterdocs_generated_css_frontend_deps', array( ) ); |
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|
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// generatepress elements |
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// phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- WP core 'active_plugins' filter, applied to detect GeneratePress Premium presence on multisite. |
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if ( in_array( 'gp-premium/gp-premium.php', apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) { |
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$gp_elements = get_posts( array( 'post_type' => 'gp_elements' ) ); |
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if ( is_array( $gp_elements ) && ! empty( $gp_elements ) ) { |
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foreach ( $gp_elements as $element ) { |
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if ( file_exists( $this->style_dir . $this->prefix . '-' . $element->ID . '.min.css' ) ) { |
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wp_enqueue_style( 'betterdocs-block-style-' . $element->ID, $this->style_url . $this->prefix . '-' . $element->ID . '.min.css', $deps, substr( md5( microtime( true ) ), 0, 10 ) ); |
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} |
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} |
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} |
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} |
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|
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if ( ! empty( $post ) && ! empty( $post->ID ) ) { |
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//Page/Post Style Enqueue |
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if ( file_exists( $this->style_dir . $this->prefix . '-' . $post->ID . '.min.css' ) ) { |
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wp_enqueue_style( 'betterdocs-block-style-' . $post->ID, $this->style_url . $this->prefix . '-' . $post->ID . '.min.css', $deps, substr( md5( microtime( true ) ), 0, 10 ) ); |
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} |
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|
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// Reusable block Style Enqueues |
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$reusableIds = get_post_meta( $post->ID, '_betterdocs_reusable_block_ids', true ); |
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$reusableIds = ! empty( $reusableIds ) ? $reusableIds : array( ); |
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$templateReusableIds = get_option( '_betterdocs_reusable_block_ids', array( ) ); |
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$reusableIds = array_unique( array_merge( $reusableIds, $templateReusableIds ) ); |
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if ( ! empty( $reusableIds ) ) { |
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foreach ( $reusableIds as $reusableId ) { |
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if ( file_exists( $this->style_dir . 'reusable-blocks/betterdocs-reusable-' . $reusableId . '.min.css' ) ) { |
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wp_enqueue_style( 'betterdocs-reusable-block-style-' . $reusableId, $this->style_url . 'reusable-blocks/betterdocs-reusable-' . $reusableId . '.min.css', $deps, substr( md5( microtime( true ) ), 0, 10 ) ); |
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} |
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} |
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} |
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} |
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|
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//Widget Style Enqueue |
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if ( file_exists( $this->style_dir . $this->prefix . '-widget.min.css' ) ) { |
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wp_enqueue_style( 'betterdocs-widget-style', $this->style_url . $this->prefix . '-widget.min.css', $deps, substr( md5( microtime( true ) ), 0, 10 ) ); |
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} |
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|
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//FSE Style Enqueue — one file per FSE template/template-part post so |
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// styles do not bleed across templates (issue #53). |
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if ( function_exists( 'wp_is_block_theme' ) && wp_is_block_theme() && betterdocs()->helper->is_templates() && ! empty( self::$_fse_template_post_ids ) ) { |
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foreach ( array_unique( self::$_fse_template_post_ids ) as $template_post_id ) { |
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$file_name = $this->prefix . '-edit-site-' . abs( $template_post_id ) . '.min.css'; |
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if ( file_exists( $this->style_dir . $file_name ) ) { |
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wp_enqueue_style( |
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'betterdocs-fullsite-style-' . abs( $template_post_id ), |
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$this->style_url . $file_name, |
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$deps, |
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substr( md5( microtime( true ) ), 0, 10 ) |
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); |
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} |
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} |
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} |
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|
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/** |
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* Hooks assets for enqueue in frontend |
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* |
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* @param $path string |
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* @param $url string |
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* |
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* @since 3.0.0 |
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*/ |
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do_action( 'betterdocs_frontend_assets', $this->style_dir, $this->style_url ); |
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} |
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|
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/** |
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* Get post content when page is saved |
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*/ |
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public function on_save_post( $post_id, $post, $update ) { |
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$post_type = get_post_type( $post_id ); |
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|
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//If This page is draft, return |
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if ( isset( $post->post_status ) && 'auto-draft' == $post->post_status ) { |
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return; |
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} |
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|
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// Autosave, do nothing |
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if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { |
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return; |
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} |
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|
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// Return if it's a post revision |
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if ( false !== wp_is_post_revision( $post_id ) ) { |
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return; |
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} |
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|
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$parsed_content = $this->get_parsed_content( $post_id, $post, $post_type ); |
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|
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if ( is_array( $parsed_content ) && ! empty( $parsed_content ) ) { |
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$this->write_css_from_content( $post, $post_id, $parsed_content ); |
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} |
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} |
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|
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private function get_parsed_content( $post_id, $post, $post_type ) { |
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if ( 'wp_template_part' === $post_type || 'wp_template' === $post_type ) { |
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$post = get_post( $post_id ); |
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} |
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|
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if ( ! $post ) { |
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return array( ); |
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} |
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|
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$parsed_content = parse_blocks( $post->post_content ); |
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|
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if ( empty( $parsed_content ) ) { |
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delete_post_meta( $post_id, '_betterdocs_reusable_block_ids' ); |
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} |
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|
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return $parsed_content; |
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} |
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|
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/** |
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* Get post content when page is load in frontend |
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*/ |
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public function generate_post_content() { |
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$post_id = get_the_ID(); |
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if ( $post_id ) { |
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$post_type = get_post_type( $post_id ); |
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$post = get_post( $post_id ); |
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//If This page is draft, return |
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if ( isset( $post->post_status ) && 'auto-draft' == $post->post_status ) { |
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return; |
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} |
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|
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// Return if it's a post revision |
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if ( false !== wp_is_post_revision( $post_id ) ) { |
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return null; |
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} |
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|
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$parsed_content = $this->get_parsed_content( $post_id, $post, $post_type ); |
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|
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if ( is_array( $parsed_content ) && ! empty( $parsed_content ) ) { |
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$this->write_css_from_content( $post, $post_id, $parsed_content ); |
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} |
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} |
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} |
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|
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/** |
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* Ajax callback to write css in upload directory |
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* @retun void |
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* @since 1.0.2 |
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*/ |
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private function write_block_css( $block_styles, $post ) { |
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// Write CSS for FSE templates / template parts — one file per post so |
| 331 |
// styles from different templates do not overwrite each other in a |
| 332 |
// shared file (issue #53). |
| 333 |
if ( isset( $post->post_type ) && ( 'wp_template_part' === $post->post_type || 'wp_template' === $post->post_type ) ) { |
| 334 |
if ( empty( $block_styles ) ) { |
| 335 |
return; |
| 336 |
} |
| 337 |
if ( ! empty( $css = CSSParser::build_css( $block_styles ) ) ) { |
| 338 |
if ( ! file_exists( $this->style_dir ) ) { |
| 339 |
wp_mkdir_p( $this->style_dir ); |
| 340 |
} |
| 341 |
file_put_contents( $this->style_dir . $this->prefix . '-edit-site-' . abs( $post->ID ) . '.min.css', $css ); |
| 342 |
} |
| 343 |
} // Write CSS for Page/Posts |
| 344 |
elseif ( ! empty( $css = CSSParser::build_css( $block_styles ) ) ) { |
| 345 |
if ( ! file_exists( $this->style_dir ) ) { |
| 346 |
wp_mkdir_p( $this->style_dir ); |
| 347 |
} |
| 348 |
file_put_contents( $this->style_dir . $this->prefix . '-' . abs( $post->ID ) . '.min.css', $css ); |
| 349 |
} |
| 350 |
} |
| 351 |
|
| 352 |
/** |
| 353 |
* Write css for Reusable block |
| 354 |
* @retun void |
| 355 |
* @since 3.4.0 |
| 356 |
*/ |
| 357 |
private function write_reusable_block_css( $block_styles, $id ) { |
| 358 |
if ( isset( $block_styles ) && is_array( $block_styles ) ) { |
| 359 |
if ( ! empty( $css = CSSParser::build_css( $block_styles ) ) ) { |
| 360 |
$upload_dir = $this->style_dir . 'reusable-blocks/'; |
| 361 |
if ( ! file_exists( $upload_dir ) ) { |
| 362 |
wp_mkdir_p( $upload_dir ); |
| 363 |
} |
| 364 |
file_put_contents( $upload_dir . '/' . 'betterdocs-reusable-' . abs( $id ) . '.min.css', $css ); |
| 365 |
} |
| 366 |
} |
| 367 |
} |
| 368 |
|
| 369 |
/** |
| 370 |
* Single file css generator |
| 371 |
* @retun void |
| 372 |
* @since 3.5.3 |
| 373 |
*/ |
| 374 |
private function single_file_css_generator( $block_styles, $upload_dir, $filename ) { |
| 375 |
$editSiteCssPath = $upload_dir . $filename; |
| 376 |
if ( file_exists( $editSiteCssPath ) ) { |
| 377 |
$existingCss = file_get_contents( $editSiteCssPath ); |
| 378 |
$pattern = '~\/\*(.*?)\*\/~'; |
| 379 |
preg_match_all( $pattern, $existingCss, $result, PREG_PATTERN_ORDER ); |
| 380 |
$allComments = $result[ 0 ]; |
| 381 |
$seperatedIds = array( ); |
| 382 |
foreach ( $allComments as $comment ) { |
| 383 |
$id = preg_replace( '/[^A-Za-z0-9\-]|Ends|Starts/', '', $comment ); |
| 384 |
|
| 385 |
if ( strpos( $comment, 'Starts' ) ) { |
| 386 |
$seperatedIds[ $id ][ 'start' ] = $comment; |
| 387 |
} elseif ( strpos( $comment, 'Ends' ) ) { |
| 388 |
$seperatedIds[ $id ][ 'end' ] = $comment; |
| 389 |
} |
| 390 |
} |
| 391 |
|
| 392 |
$seperateStyles = array( ); |
| 393 |
foreach ( $seperatedIds as $key => $ids ) { |
| 394 |
$seperateStyles[ ][ $key ] = isset( $block_styles[ $key ] ) ? $block_styles[ $key ] : array( ); |
| 395 |
} |
| 396 |
|
| 397 |
self::$_block_styles = array_merge( self::$_block_styles, $block_styles ); |
| 398 |
|
| 399 |
if ( ! empty( $css = CSSParser::build_css( self::$_block_styles ) ) ) { |
| 400 |
if ( ! file_exists( $upload_dir ) ) { |
| 401 |
wp_mkdir_p( $upload_dir ); |
| 402 |
} |
| 403 |
|
| 404 |
file_put_contents( $editSiteCssPath, $css ); |
| 405 |
} |
| 406 |
} elseif ( ! empty( $css = CSSParser::build_css( $block_styles ) ) ) { |
| 407 |
if ( ! file_exists( $this->style_dir ) ) { |
| 408 |
wp_mkdir_p( $this->style_dir ); |
| 409 |
} |
| 410 |
|
| 411 |
file_put_contents( $editSiteCssPath, $css ); |
| 412 |
} |
| 413 |
} |
| 414 |
|
| 415 |
/** |
| 416 |
* Get post id by post_name for template |
| 417 |
*/ |
| 418 |
public static function betterdocs_get_post_content_by_post_name( $post_name ) { |
| 419 |
global $wpdb; |
| 420 |
$sql = $wpdb->prepare( "SELECT ID FROM {$wpdb->prefix}posts WHERE post_name = %s", $post_name ); |
| 421 |
|
| 422 |
// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- one-off lookup of FSE template posts by post_name during CSS generation; no caching layer applies. |
| 423 |
return $wpdb->get_results( $sql, ARRAY_A ); |
| 424 |
} |
| 425 |
} |
| 426 |
|
