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<?php |
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namespace ABlocks\Classes; |
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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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class FontLoadLocally { |
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|
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const FONTS_FOLDER = 'ablocks-fonts'; |
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|
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/** |
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* Process a list of fonts and weights |
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* |
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* @param array $fonts Example: ["Roboto" => ["400","700"]] |
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*/ |
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public function process_font_queue( $fonts ) { |
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if ( ! is_array( $fonts ) || empty( $fonts ) ) { |
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return; |
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} |
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if ( defined( 'WP_DEBUG_LOG' ) && WP_DEBUG_LOG ) { |
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// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log, WordPress.PHP.DevelopmentFunctions.error_log_print_r |
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error_log( print_r( $fonts, true ) ); |
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} |
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foreach ( $fonts as $family => $weights ) { |
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if ( ! is_array( $weights ) ) { |
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continue; |
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} |
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|
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// Only download missing weights |
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$weights_to_download = []; |
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foreach ( $weights as $weight ) { |
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if ( ! $this->is_font_weight_available( $family, $weight ) ) { |
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$weights_to_download[] = $weight; |
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} |
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} |
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|
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if ( ! empty( $weights_to_download ) ) { |
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$this->download_font_family( $family, $weights_to_download ); |
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} |
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} |
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} |
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|
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/** |
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* Check if a specific font family and weight exists locally |
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* |
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* @param string $family |
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* @param string $weight |
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* @return bool |
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*/ |
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public function is_font_weight_available( $family, $weight ) { |
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$upload_dir = wp_upload_dir(); |
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$folder = trailingslashit( $upload_dir['basedir'] ) . self::FONTS_FOLDER . '/' . $this->sanitize_family( $family ); |
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|
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if ( ! is_dir( $folder ) ) { |
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return false; |
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} |
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|
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$weight_key = $weight === '400' || $weight === 'normal' ? '400' : $weight; |
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$files = glob( $folder . '/' . $weight_key . '-*.woff2' ); |
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|
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return ! empty( $files ); |
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} |
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|
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/** |
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* Download a Google Font family via CSS2 API |
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* |
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* @param string $family |
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* @param array $weights |
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*/ |
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public function download_font_family( $family, $weights ) { |
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$upload_dir = wp_upload_dir(); |
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$base_dir = trailingslashit( $upload_dir['basedir'] ) . self::FONTS_FOLDER; |
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wp_mkdir_p( $base_dir ); |
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|
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$family_dir = $base_dir . '/' . $this->sanitize_family( $family ); |
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wp_mkdir_p( $family_dir ); |
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|
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$css_url = $this->build_css_url( $family, $weights ); |
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$woff2_list = $this->get_woff2_urls( $css_url ); |
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|
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foreach ( $woff2_list as $woff ) { |
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$weight = $woff['weight']; |
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$file_url = $woff['url']; |
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// phpcs:ignore WordPress.WP.AlternativeFunctions.parse_url_parse_url |
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$filename = $weight . '-' . basename( parse_url( $file_url, PHP_URL_PATH ) ); |
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$filepath = $family_dir . '/' . $filename; |
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|
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if ( file_exists( $filepath ) ) { |
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continue; |
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} |
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|
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$response = wp_remote_get( $file_url, [ 'timeout' => 15 ] ); |
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|
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if ( is_wp_error( $response ) || wp_remote_retrieve_response_code( $response ) !== 200 ) { |
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if ( defined( 'WP_DEBUG_LOG' ) && WP_DEBUG_LOG ) { |
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// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log |
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error_log( "Failed to download font file: {$file_url}" ); |
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} |
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continue; |
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} |
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|
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file_put_contents( $filepath, wp_remote_retrieve_body( $response ) ); |
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}//end foreach |
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} |
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|
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/** |
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* Build Google Fonts CSS2 API URL |
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* |
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* @param string $family |
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* @param array $weights |
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* @return string |
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*/ |
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public function build_css_url( $family, $weights ) { |
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$family_encoded = str_replace( ' ', '+', $family ); |
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|
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// Remove duplicates & sort weights |
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$weights = array_unique( array_map( 'strval', $weights ) ); |
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sort( $weights ); |
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|
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// Correct Google Fonts format: wght@200;400;700;900 |
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$weights_str = 'wght@' . implode( ';', $weights ); |
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|
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return "https://fonts.googleapis.com/css2?family={$family_encoded}:{$weights_str}&display=swap"; |
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} |
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|
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|
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/** |
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* Extract .woff2 URLs and corresponding weight from Google Fonts CSS |
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* |
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* @param string $css_url |
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* @return array [['weight'=>'400','url'=>'https://...'], ...] |
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*/ |
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public function get_woff2_urls( $css_url ) { |
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$args = [ |
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'timeout' => 15, |
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'headers' => [ |
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'User-Agent' => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36' |
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], |
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]; |
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|
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$response = wp_remote_get( $css_url, $args ); |
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|
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if ( is_wp_error( $response ) || wp_remote_retrieve_response_code( $response ) !== 200 ) { |
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if ( defined( 'WP_DEBUG_LOG' ) && WP_DEBUG_LOG ) { |
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// phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_error_log |
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error_log( 'Failed to fetch Google Fonts CSS: ' . $css_url ); |
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} |
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return []; |
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} |
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|
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$css = wp_remote_retrieve_body( $response ); |
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$matches = []; |
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preg_match_all( |
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'/@font-face\s*{[^}]*font-weight:\s*(\d+);[^}]*src:\s*url\(([^)]+\.woff2)\)/i', |
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$css, |
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$matches, |
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PREG_SET_ORDER |
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); |
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|
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$results = []; |
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foreach ( $matches as $m ) { |
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$results[] = [ |
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'weight' => $m[1], |
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'url' => $m[2], |
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]; |
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} |
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|
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return $results; |
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} |
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|
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/** |
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* Enqueue local fonts if available, otherwise enqueue Google Fonts |
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* |
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* @param array $fonts |
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*/ |
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public function enqueue_fonts( $fonts ) { |
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if ( ! is_array( $fonts ) || empty( $fonts ) ) { |
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return; |
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} |
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|
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$upload_dir = wp_upload_dir(); |
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$css = ''; |
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|
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$missing_fonts = []; // <-- Store missing fonts here |
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|
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foreach ( $fonts as $family => $weights ) { |
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|
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$local_available = true; |
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|
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// Check each requested weight |
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foreach ( $weights as $weight ) { |
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if ( ! $this->is_font_weight_available( $family, $weight ) ) { |
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$local_available = false; |
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|
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// Store missing for Google Fonts fallback |
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if ( ! isset( $missing_fonts[ $family ] ) ) { |
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$missing_fonts[ $family ] = []; |
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} |
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$missing_fonts[ $family ][] = $weight; |
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} |
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} |
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|
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// If local font exists, register @font-face rules |
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if ( $local_available ) { |
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$folder = trailingslashit( $upload_dir['baseurl'] ) . |
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self::FONTS_FOLDER . '/' . $this->sanitize_family( $family ); |
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|
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$files = glob( |
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trailingslashit( $upload_dir['basedir'] ) . |
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self::FONTS_FOLDER . '/' . $this->sanitize_family( $family ) . '/*.woff2' |
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); |
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|
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foreach ( $files as $file_path ) { |
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$file_name = basename( $file_path ); |
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|
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if ( preg_match( '/^(\d+)-/', $file_name, $m ) ) { |
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$font_weight = $m[1]; |
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} else { |
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$font_weight = '400'; |
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} |
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|
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$css .= "@font-face { |
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font-family: '{$family}'; |
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font-style: normal; |
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font-weight: {$font_weight}; |
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font-display: swap; |
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src: url('{$folder}/{$file_name}') format('woff2'); |
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}"; |
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} |
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}//end if |
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}//end foreach |
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|
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/** |
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* 1. ENQUEUE LOCAL FONTS IF ANY FOUND |
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*/ |
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if ( ! empty( $css ) ) { |
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wp_register_style( 'ablocks-local-fonts', false ); |
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wp_enqueue_style( 'ablocks-local-fonts' ); |
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wp_add_inline_style( 'ablocks-local-fonts', AssetsGenerator::minify_css( $css ) ); |
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} |
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|
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/** |
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* 2. ENQUEUE ONLY MISSING GOOGLE FONTS |
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*/ |
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if ( ! empty( $missing_fonts ) ) { |
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$family_strings = []; |
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|
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foreach ( $missing_fonts as $family => $weights ) { |
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|
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// sanitize weights |
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$weights = array_unique( array_map( 'strval', $weights ) ); |
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sort( $weights ); |
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|
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$family_encoded = str_replace( ' ', '+', $family ); |
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$family_strings[] = "{$family_encoded}:wght@" . implode( ';', $weights ); |
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} |
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|
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$google_url = 'https://fonts.googleapis.com/css2?family=' . |
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implode( '&family=', $family_strings ) . '&display=swap'; |
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|
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wp_enqueue_style( 'ablocks-google-fonts', esc_url( $google_url ), [], null ); |
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} |
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} |
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|
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|
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/** |
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* Sanitize font family for folder names |
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* |
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* @param string $family |
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* @return string |
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*/ |
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private function sanitize_family( $family ) { |
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return str_replace( ' ', '-', strtolower( $family ) ); |
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} |
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} |
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|
