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| 1 | <?php |
| 2 | |
| 3 | namespace NewfoldLabs\WP\Module\Onboarding\Services; |
| 4 | |
| 5 | use NewfoldLabs\WP\Module\Onboarding\TaskManagers\ImageSideloadTaskManager; |
| 6 | use NewfoldLabs\WP\Module\Onboarding\Tasks\ImageSideloadTask; |
| 7 | |
| 8 | /** |
| 9 | * SiteGenImageService for the onboarding module. |
| 10 | * |
| 11 | * Handles image processing and media library operations for the onboarding flow. |
| 12 | */ |
| 13 | class SiteGenImageService { |
| 14 | |
| 15 | /** |
| 16 | * Process homepage images immediately in background (non-blocking). |
| 17 | * This method dispatches an async request that doesn't block the main request. |
| 18 | * |
| 19 | * @param int $post_id The post ID to process images for. |
| 20 | * @param string $content The content containing images. |
| 21 | */ |
| 22 | public static function process_homepage_images_immediate_async( $post_id, $content ) { |
| 23 | // Extract image URLs from content |
| 24 | $image_urls = self::extract_all_image_urls( $content ); |
| 25 | |
| 26 | if ( empty( $image_urls ) ) { |
| 27 | return; |
| 28 | } |
| 29 | |
| 30 | // Create and add task to queue |
| 31 | $task = new ImageSideloadTask( $post_id, $image_urls ); |
| 32 | ImageSideloadTaskManager::add_to_queue( $task ); |
| 33 | |
| 34 | // Schedule a single event to process the queue (if not already scheduled) |
| 35 | if ( ! wp_next_scheduled( 'nfd_process_image_sideload_queue' ) ) { |
| 36 | wp_schedule_single_event( time(), 'nfd_process_image_sideload_queue' ); |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * Extract all image URLs from content specifically targeting Unsplash and patterns.hiive.cloud domains. |
| 42 | * |
| 43 | * @param string $content The content to extract image URLs from. |
| 44 | * @return array Array of unique image URLs. |
| 45 | */ |
| 46 | private static function extract_all_image_urls( $content ) { |
| 47 | $image_urls = array(); |
| 48 | |
| 49 | // Extract Unsplash images |
| 50 | preg_match_all( '/https?:\/\/([^\/]+\.)?unsplash\.com\/[^\s"\'<>]+/i', $content, $matches ); |
| 51 | if ( isset( $matches[0] ) ) { |
| 52 | $image_urls = array_merge( $image_urls, $matches[0] ); |
| 53 | } |
| 54 | |
| 55 | // Extract patterns.hiive.cloud images |
| 56 | preg_match_all( '/https?:\/\/patterns\.hiive\.cloud\/[^\s"\'<>]+/i', $content, $matches ); |
| 57 | if ( isset( $matches[0] ) ) { |
| 58 | $image_urls = array_merge( $image_urls, $matches[0] ); |
| 59 | } |
| 60 | |
| 61 | // Decode HTML entities in URLs to ensure proper replacement |
| 62 | $image_urls = array_map( 'html_entity_decode', $image_urls ); |
| 63 | |
| 64 | return array_values( array_unique( $image_urls ) ); |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Uploads images to the WordPress media library as attachments. |
| 69 | * |
| 70 | * This function takes an array of image URLs, downloads them, and |
| 71 | * uploads them to the WordPress media library, returning the URLs |
| 72 | * of the newly uploaded images. |
| 73 | * |
| 74 | * @param array $image_urls An array of image URLs to upload. |
| 75 | * @param int $post_id The post ID to attach the images to. |
| 76 | * @return array|false An array of WordPress attachment URLs on success, false on failure. |
| 77 | * @throws Exception If there is an error during the upload process. |
| 78 | */ |
| 79 | public static function upload_images_to_wp_media_library( $image_urls, $post_id ) { |
| 80 | require_once ABSPATH . 'wp-admin/includes/media.php'; |
| 81 | require_once ABSPATH . 'wp-admin/includes/image.php'; |
| 82 | |
| 83 | global $wp_filesystem; |
| 84 | self::connect_to_filesystem(); |
| 85 | |
| 86 | $uploaded_image_urls = array(); |
| 87 | $total_images = count( $image_urls ); |
| 88 | $successful_uploads = 0; |
| 89 | |
| 90 | try { |
| 91 | foreach ( $image_urls as $image_url ) { |
| 92 | // Check if the URL is valid. |
| 93 | if ( ! filter_var( $image_url, FILTER_VALIDATE_URL ) ) { |
| 94 | continue; |
| 95 | } |
| 96 | |
| 97 | // Fetch the image via remote get with timeout and a retry attempt. |
| 98 | $attempt = 0; |
| 99 | $max_attempts = 2; |
| 100 | while ( $attempt < $max_attempts ) { |
| 101 | $response = wp_remote_get( $image_url, array( 'timeout' => 15 ) ); |
| 102 | if ( ! is_wp_error( $response ) && 200 === wp_remote_retrieve_response_code( $response ) ) { |
| 103 | break; |
| 104 | } |
| 105 | ++$attempt; |
| 106 | } |
| 107 | if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) { |
| 108 | continue; |
| 109 | } |
| 110 | // Reading the headers from the image url to determine. |
| 111 | $headers = wp_remote_retrieve_headers( $response ); |
| 112 | $content_type = $headers['content-type'] ?? ''; |
| 113 | $image_data = wp_remote_retrieve_body( $response ); |
| 114 | if ( empty( $content_type ) || empty( $image_data ) ) { |
| 115 | continue; |
| 116 | } |
| 117 | // Determine the file extension based on MIME type. |
| 118 | $file_extension = ''; |
| 119 | switch ( $content_type ) { |
| 120 | case 'image/jpeg': |
| 121 | $file_extension = '.jpg'; |
| 122 | break; |
| 123 | case 'image/png': |
| 124 | $file_extension = '.png'; |
| 125 | break; |
| 126 | case 'image/gif': |
| 127 | $file_extension = '.gif'; |
| 128 | break; |
| 129 | case 'image/webp': |
| 130 | $file_extension = '.webp'; |
| 131 | break; |
| 132 | } |
| 133 | |
| 134 | if ( '' === $file_extension ) { |
| 135 | continue; |
| 136 | } |
| 137 | // create upload directory. |
| 138 | $upload_dir = wp_upload_dir(); |
| 139 | // xtract a filename from the URL. |
| 140 | $parsed_url = wp_parse_url( $image_url ); |
| 141 | $path_parts = pathinfo( $parsed_url['path'] ); |
| 142 | // filename to be added in directory. |
| 143 | $original_filename = $path_parts['filename'] . $file_extension; |
| 144 | |
| 145 | // to ensure the filename is unique within the upload directory. |
| 146 | $filename = wp_unique_filename( $upload_dir['path'], $original_filename ); |
| 147 | $filepath = $upload_dir['path'] . '/' . $filename; |
| 148 | |
| 149 | $wp_filesystem->put_contents( $filepath, $image_data ); |
| 150 | |
| 151 | // Create an attachment post for the image, metadata needed for WordPress media library. |
| 152 | // guid -for url, post_title for cleaned up name, post content is empty as this is an attachment. |
| 153 | // post_status inherit is for visibility. |
| 154 | $attachment = array( |
| 155 | 'guid' => $upload_dir['url'] . '/' . $filename, |
| 156 | 'post_mime_type' => $content_type, |
| 157 | 'post_title' => preg_replace( '/\.[^.]+$/', '', basename( $filename ) ), |
| 158 | 'post_content' => '', |
| 159 | 'post_status' => 'inherit', |
| 160 | 'post_parent' => $post_id, // Attach to the specified post |
| 161 | ); |
| 162 | $attach_id = wp_insert_attachment( $attachment, $filepath ); |
| 163 | |
| 164 | // Generate and assign metadata for the attachment. |
| 165 | $attach_data = wp_generate_attachment_metadata( $attach_id, $filepath ); |
| 166 | wp_update_attachment_metadata( $attach_id, $attach_data ); |
| 167 | |
| 168 | // Add the WordPress attachment URL to the list. |
| 169 | if ( $attach_id ) { |
| 170 | $attachment_url = wp_get_attachment_url( $attach_id ); |
| 171 | if ( ! $attachment_url ) { |
| 172 | $attachment_url = null; |
| 173 | } |
| 174 | $uploaded_image_urls[ $image_url ] = $attachment_url; |
| 175 | $successful_uploads++; |
| 176 | } |
| 177 | } |
| 178 | } catch ( \Exception $e ) { |
| 179 | // Log error silently |
| 180 | } |
| 181 | return $uploaded_image_urls; |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * Update post content by replacing original image URLs with WordPress media library URLs. |
| 186 | * |
| 187 | * @param int $post_id The post ID to update. |
| 188 | * @param array $url_mapping Array mapping original URLs to new WordPress URLs. |
| 189 | * @return bool True on success, false on failure. |
| 190 | */ |
| 191 | public static function update_post_content_with_new_image_urls( $post_id, $url_mapping ) { |
| 192 | // Get the current post content |
| 193 | $post = get_post( $post_id ); |
| 194 | if ( ! $post ) { |
| 195 | return false; |
| 196 | } |
| 197 | |
| 198 | $content = $post->post_content; |
| 199 | $updated = false; |
| 200 | $replaced_count = 0; |
| 201 | |
| 202 | // Replace each original URL with the new WordPress URL |
| 203 | foreach ( $url_mapping as $original_url => $new_url ) { |
| 204 | if ( ! empty( $new_url ) ) { |
| 205 | // Use str_replace for exact URL replacement |
| 206 | $new_content = str_replace( $original_url, $new_url, $content ); |
| 207 | |
| 208 | // If no replacement happened, try with HTML entity encoded version |
| 209 | if ( $new_content === $content ) { |
| 210 | $encoded_url = htmlspecialchars( $original_url, ENT_QUOTES | ENT_HTML5, 'UTF-8' ); |
| 211 | $new_content = str_replace( $encoded_url, $new_url, $content ); |
| 212 | } |
| 213 | |
| 214 | // If still no replacement, try with double-encoded version (common in WordPress) |
| 215 | if ( $new_content === $content ) { |
| 216 | $double_encoded_url = htmlspecialchars( htmlspecialchars( $original_url, ENT_QUOTES | ENT_HTML5, 'UTF-8' ), ENT_QUOTES | ENT_HTML5, 'UTF-8' ); |
| 217 | $new_content = str_replace( $double_encoded_url, $new_url, $content ); |
| 218 | } |
| 219 | |
| 220 | if ( $new_content !== $content ) { |
| 221 | $content = $new_content; |
| 222 | $updated = true; |
| 223 | $replaced_count++; |
| 224 | } |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | // Update the post if content changed |
| 229 | if ( $updated ) { |
| 230 | $update_result = wp_update_post( |
| 231 | array( |
| 232 | 'ID' => $post_id, |
| 233 | 'post_content' => $content, |
| 234 | ) |
| 235 | ); |
| 236 | |
| 237 | if ( is_wp_error( $update_result ) ) { |
| 238 | return false; |
| 239 | } |
| 240 | |
| 241 | return true; |
| 242 | } |
| 243 | |
| 244 | return true; // No changes needed |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Connect to the WordPress filesystem. |
| 249 | * |
| 250 | * @return boolean |
| 251 | */ |
| 252 | public static function connect_to_filesystem() { |
| 253 | require_once ABSPATH . 'wp-admin/includes/file.php'; |
| 254 | |
| 255 | // We want to ensure that the user has direct access to the filesystem. |
| 256 | $access_type = \get_filesystem_method(); |
| 257 | if ( 'direct' !== $access_type ) { |
| 258 | return false; |
| 259 | } |
| 260 | |
| 261 | $creds = \request_filesystem_credentials( site_url() . '/wp-admin', '', false, false, array() ); |
| 262 | |
| 263 | if ( ! \WP_Filesystem( $creds ) ) { |
| 264 | return false; |
| 265 | } |
| 266 | |
| 267 | return true; |
| 268 | } |
| 269 | } |