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| 1 | <?php |
| 2 | |
| 3 | declare( strict_types = 1 ); |
| 4 | |
| 5 | namespace BeyondWords\Post; |
| 6 | |
| 7 | /** |
| 8 | * BeyondWords Post Content Utilities. |
| 9 | * |
| 10 | * @package Beyondwords |
| 11 | * @subpackage Beyondwords/includes |
| 12 | * @author Stuart McAlpine <stu@beyondwords.io> |
| 13 | * @since 3.5.0 |
| 14 | * @since 7.0.0 Refactored to BeyondWords namespace with snake_case methods. |
| 15 | */ |
| 16 | defined( 'ABSPATH' ) || exit; |
| 17 | |
| 18 | class Content { |
| 19 | |
| 20 | public const DATE_FORMAT = 'Y-m-d\TH:i:s\Z'; |
| 21 | |
| 22 | /** |
| 23 | * Get the content "body" param for the audio. |
| 24 | * |
| 25 | * The excerpt is prepended to the body because API v1.1 repurposed the |
| 26 | * "summary" param. |
| 27 | * |
| 28 | * @since 4.6.0 |
| 29 | * @since 7.0.0 Refactored to BeyondWords namespace with snake_case methods. |
| 30 | * |
| 31 | * @param int|\WP_Post $post The WordPress post ID, or post object. |
| 32 | * |
| 33 | * @return string The content body param. |
| 34 | */ |
| 35 | public static function get_content_body( int|\WP_Post $post ): string|null { |
| 36 | $post = get_post( $post ); |
| 37 | |
| 38 | if ( ! ( $post instanceof \WP_Post ) ) { |
| 39 | throw new \Exception( esc_html__( 'Post Not Found', 'speechkit' ) ); |
| 40 | } |
| 41 | |
| 42 | $summary = self::get_post_summary( $post ); |
| 43 | $body = self::get_post_body( $post ); |
| 44 | |
| 45 | if ( $summary ) { |
| 46 | $format = self::get_post_summary_wrapper_format( $post ); |
| 47 | |
| 48 | $body = sprintf( $format, $summary ) . $body; |
| 49 | } |
| 50 | |
| 51 | return $body; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Get the post body for the audio content. |
| 56 | * |
| 57 | * @since 3.0.0 |
| 58 | * @since 3.5.0 Moved from Core\Utils to Component\Post\PostUtils |
| 59 | * @since 3.8.0 Exclude Gutenberg blocks with attribute { beyondwordsAudio: false } |
| 60 | * @since 4.0.0 Renamed from Content::getSourceTextForAudio() to Content::getBody() |
| 61 | * @since 4.6.0 Renamed from Content::getBody() to Content::get_post_body() |
| 62 | * @since 4.7.0 Remove wpautop filter for block editor API requests. |
| 63 | * @since 5.0.0 Remove SpeechKit-Start shortcode. |
| 64 | * @since 5.0.0 Remove beyondwords_content filter. |
| 65 | * @since 7.0.0 Refactored to BeyondWords namespace with snake_case methods. |
| 66 | * |
| 67 | * @param int|\WP_Post $post The WordPress post ID, or post object. |
| 68 | * |
| 69 | * @return string The body (the processed $post->post_content). |
| 70 | */ |
| 71 | public static function get_post_body( int|\WP_Post $post ): string|null { |
| 72 | $post = get_post( $post ); |
| 73 | |
| 74 | if ( ! ( $post instanceof \WP_Post ) ) { |
| 75 | throw new \Exception( esc_html__( 'Post Not Found', 'speechkit' ) ); |
| 76 | } |
| 77 | |
| 78 | $content = self::get_content_without_excluded_blocks( $post ); |
| 79 | |
| 80 | if ( has_blocks( $post ) ) { |
| 81 | // wpautop breaks our HTML markup when block editor paragraphs are empty, |
| 82 | // but we still want to remove the empty lines it would have handled. |
| 83 | remove_filter( 'the_content', 'wpautop' ); |
| 84 | |
| 85 | $content = preg_replace( '/^\h*\v+/m', '', $content ); |
| 86 | } |
| 87 | |
| 88 | // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- Applying core WordPress filter |
| 89 | $content = apply_filters( 'the_content', $content ); |
| 90 | |
| 91 | return trim( $content ); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Get the post summary wrapper format. |
| 96 | * |
| 97 | * @since 4.6.0 |
| 98 | * @since 7.0.0 Refactored to BeyondWords namespace with snake_case methods. |
| 99 | * |
| 100 | * @param int|\WP_Post $post The WordPress post ID, or post object. |
| 101 | * |
| 102 | * @return string The summary wrapper <div>. |
| 103 | */ |
| 104 | public static function get_post_summary_wrapper_format( int|\WP_Post $post ): string { |
| 105 | $post = get_post( $post ); |
| 106 | |
| 107 | if ( ! ( $post instanceof \WP_Post ) ) { |
| 108 | throw new \Exception( esc_html__( 'Post Not Found', 'speechkit' ) ); |
| 109 | } |
| 110 | |
| 111 | return '<div data-beyondwords-summary="true">%s</div>'; |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Get the post summary for the audio content. |
| 116 | * |
| 117 | * @since 4.0.0 |
| 118 | * @since 4.6.0 Renamed from Content::getSummary() to Content::get_post_summary() |
| 119 | * @since 7.0.0 Refactored to BeyondWords namespace with snake_case methods. |
| 120 | * |
| 121 | * @param int|\WP_Post $post The WordPress post ID, or post object. |
| 122 | * |
| 123 | * @return string The summary. |
| 124 | */ |
| 125 | public static function get_post_summary( int|\WP_Post $post ): string|null { |
| 126 | $post = get_post( $post ); |
| 127 | |
| 128 | if ( ! ( $post instanceof \WP_Post ) ) { |
| 129 | throw new \Exception( esc_html__( 'Post Not Found', 'speechkit' ) ); |
| 130 | } |
| 131 | |
| 132 | $summary = null; |
| 133 | |
| 134 | $prepend_excerpt = get_option( 'beyondwords_prepend_excerpt' ); |
| 135 | |
| 136 | if ( $prepend_excerpt && has_excerpt( $post ) ) { |
| 137 | $summary = htmlentities( $post->post_excerpt, ENT_QUOTES | ENT_XHTML ); |
| 138 | // phpcs:ignore WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedHooknameFound -- Applying core WordPress filter |
| 139 | $summary = apply_filters( 'get_the_excerpt', $summary ); |
| 140 | $summary = trim( wpautop( $summary ) ); |
| 141 | } |
| 142 | |
| 143 | return $summary; |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Get the post content without the blocks an editor excluded from audio. |
| 148 | * |
| 149 | * @since 3.8.0 |
| 150 | * @since 4.0.0 Replace for loop with array_reduce |
| 151 | * @since 6.0.0 Remove beyondwordsMarker attribute from rendered blocks. |
| 152 | * @since 7.0.0 Refactored to BeyondWords namespace with snake_case methods. |
| 153 | * @since 7.1.0 Render the per-block language and voice data attributes. |
| 154 | * |
| 155 | * @param int|\WP_Post $post The WordPress post ID, or post object. |
| 156 | * |
| 157 | * @return string The post body without excluded blocks. |
| 158 | */ |
| 159 | public static function get_content_without_excluded_blocks( int|\WP_Post $post ): string { |
| 160 | $post = get_post( $post ); |
| 161 | |
| 162 | if ( ! ( $post instanceof \WP_Post ) ) { |
| 163 | throw new \Exception( esc_html__( 'Post Not Found', 'speechkit' ) ); |
| 164 | } |
| 165 | |
| 166 | if ( ! has_blocks( $post ) ) { |
| 167 | return trim( $post->post_content ); |
| 168 | } |
| 169 | |
| 170 | $output = ''; |
| 171 | |
| 172 | $blocks = self::get_audio_enabled_blocks( $post ); |
| 173 | |
| 174 | $segment_attributes = [ \BeyondWords\Editor\Components\BlockAttributes::class, 'add_segment_attributes' ]; |
| 175 | |
| 176 | // Per-block voices ride in the API body only, so the front end renders unchanged. |
| 177 | add_filter( 'render_block', $segment_attributes, 10, 2 ); |
| 178 | |
| 179 | try { |
| 180 | foreach ( $blocks as $block ) { |
| 181 | $output .= render_block( $block ); |
| 182 | } |
| 183 | } finally { |
| 184 | remove_filter( 'render_block', $segment_attributes, 10 ); |
| 185 | } |
| 186 | |
| 187 | return $output; |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Get audio-enabled blocks. |
| 192 | * |
| 193 | * @since 4.0.0 |
| 194 | * @since 5.0.0 Remove beyondwords_post_audio_enabled_blocks filter. |
| 195 | * @since 7.0.0 Refactored to BeyondWords namespace with snake_case methods. |
| 196 | * @since 7.1.0 Exclude blocks at any depth, not just top-level ones. |
| 197 | * |
| 198 | * @param int|\WP_Post $post The WordPress post ID, or post object. |
| 199 | * |
| 200 | * @return array The blocks. |
| 201 | */ |
| 202 | public static function get_audio_enabled_blocks( int|\WP_Post $post ): array { |
| 203 | $post = get_post( $post ); |
| 204 | |
| 205 | if ( ! ( $post instanceof \WP_Post ) ) { |
| 206 | return []; |
| 207 | } |
| 208 | |
| 209 | if ( ! has_blocks( $post ) ) { |
| 210 | return []; |
| 211 | } |
| 212 | |
| 213 | return self::filter_audio_enabled_blocks( parse_blocks( $post->post_content ) ); |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * Drop the blocks an editor excluded from the audio, at every depth. |
| 218 | * |
| 219 | * @since 7.1.0 |
| 220 | */ |
| 221 | private static function filter_audio_enabled_blocks( array $blocks ): array { |
| 222 | $kept = []; |
| 223 | |
| 224 | foreach ( $blocks as $block ) { |
| 225 | if ( ! self::is_audio_enabled_block( $block ) ) { |
| 226 | continue; |
| 227 | } |
| 228 | |
| 229 | $kept[] = empty( $block['innerBlocks'] ) |
| 230 | ? $block |
| 231 | : self::without_excluded_inner_blocks( $block ); |
| 232 | } |
| 233 | |
| 234 | return $kept; |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * Whether a parsed block is included in the audio. |
| 239 | * |
| 240 | * @since 7.1.0 |
| 241 | */ |
| 242 | private static function is_audio_enabled_block( $block ): bool { |
| 243 | if ( ! is_array( $block ) || ! is_array( $block['attrs'] ?? null ) ) { |
| 244 | return true; |
| 245 | } |
| 246 | |
| 247 | if ( ! isset( $block['attrs']['beyondwordsAudio'] ) ) { |
| 248 | return true; |
| 249 | } |
| 250 | |
| 251 | return (bool) $block['attrs']['beyondwordsAudio']; |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Drop a block's excluded descendants. |
| 256 | * |
| 257 | * `innerContent` carries one null per inner block, in order, and is what |
| 258 | * render_block() walks — so dropping a child means dropping its placeholder |
| 259 | * too, or the remaining children render in the wrong places. |
| 260 | * |
| 261 | * @since 7.1.0 |
| 262 | */ |
| 263 | private static function without_excluded_inner_blocks( array $block ): array { |
| 264 | $inner_blocks = []; |
| 265 | $inner_content = []; |
| 266 | $index = 0; |
| 267 | |
| 268 | foreach ( (array) ( $block['innerContent'] ?? [] ) as $chunk ) { |
| 269 | if ( null !== $chunk ) { |
| 270 | $inner_content[] = $chunk; |
| 271 | continue; |
| 272 | } |
| 273 | |
| 274 | $child = $block['innerBlocks'][ $index ] ?? null; |
| 275 | ++$index; |
| 276 | |
| 277 | if ( ! is_array( $child ) || ! self::is_audio_enabled_block( $child ) ) { |
| 278 | continue; |
| 279 | } |
| 280 | |
| 281 | $inner_blocks[] = empty( $child['innerBlocks'] ) |
| 282 | ? $child |
| 283 | : self::without_excluded_inner_blocks( $child ); |
| 284 | $inner_content[] = null; |
| 285 | } |
| 286 | |
| 287 | $block['innerBlocks'] = $inner_blocks; |
| 288 | $block['innerContent'] = $inner_content; |
| 289 | |
| 290 | return $block; |
| 291 | } |
| 292 | |
| 293 | /** |
| 294 | * Get the body param we pass to the API. |
| 295 | * |
| 296 | * @since 3.0.0 Introduced as getBodyJson. |
| 297 | * @since 3.3.0 Added metadata to aid custom playlist generation. |
| 298 | * @since 3.5.0 Moved from Core\Utils to Component\Post\PostUtils. |
| 299 | * @since 3.10.4 Rename `published_at` API param to `publish_date`. |
| 300 | * @since 4.0.0 Use new API params. |
| 301 | * @since 4.0.3 Ensure `image_url` is always a string. |
| 302 | * @since 4.3.0 Rename from getBodyJson to getContentParams. |
| 303 | * @since 4.6.0 Remove summary param & prepend body with summary. |
| 304 | * @since 5.0.0 Remove beyondwords_body_params filter. |
| 305 | * @since 6.0.0 Cast return value to string. |
| 306 | * @since 7.0.0 Replace the `metadata` param with a flat `tags` array. |
| 307 | * |
| 308 | * @static |
| 309 | * @param int $post_id WordPress Post ID. |
| 310 | * |
| 311 | * @return string JSON encoded params. |
| 312 | **/ |
| 313 | public static function get_content_params( int $post_id ): array|string { |
| 314 | $body = [ |
| 315 | 'type' => 'auto_segment', |
| 316 | 'title' => get_the_title( $post_id ), |
| 317 | 'body' => self::get_content_body( $post_id ), |
| 318 | 'source_url' => get_the_permalink( $post_id ), |
| 319 | 'source_id' => strval( $post_id ), |
| 320 | 'author' => self::get_author_name( $post_id ), |
| 321 | 'image_url' => strval( wp_get_original_image_url( get_post_thumbnail_id( $post_id ) ) ), |
| 322 | 'tags' => self::get_tags( $post_id ), |
| 323 | 'publish_date' => get_post_time( self::DATE_FORMAT, true, $post_id ), |
| 324 | ]; |
| 325 | |
| 326 | $status = get_post_status( $post_id ); |
| 327 | |
| 328 | // Drafts send { published: false } to keep the audio out of playlists, and |
| 329 | // omit publish_date because get_post_time() is false for pending posts. |
| 330 | if ( in_array( $status, [ 'draft', 'pending'] ) ) { |
| 331 | $body['published'] = false; |
| 332 | unset( $body['publish_date'] ); |
| 333 | } else { |
| 334 | /** |
| 335 | * Filters whether generated content is auto-published to BeyondWords. |
| 336 | * |
| 337 | * Replaces the v6.x `beyondwords_project_auto_publish_enabled` setting. |
| 338 | * |
| 339 | * @since 7.0.0 |
| 340 | * |
| 341 | * @param bool $auto_publish Whether to mark generated content as published. |
| 342 | * @param int $post_id WordPress post ID. |
| 343 | */ |
| 344 | $auto_publish = apply_filters( 'beyondwords_auto_publish', true, $post_id ); |
| 345 | |
| 346 | if ( $auto_publish ) { |
| 347 | $body['published'] = true; |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | // The language is never sent: a chosen voice implies it, and with no voice |
| 352 | // the project default applies. `beyondwords_language_code` is editor state only. |
| 353 | $body_voice_id = intval( get_post_meta( $post_id, 'beyondwords_body_voice_id', true ) ); |
| 354 | |
| 355 | if ( $body_voice_id > 0 ) { |
| 356 | $body['body_voice_id'] = $body_voice_id; |
| 357 | } |
| 358 | |
| 359 | // Omitted when Source is Post (or unset) so the project default applies. |
| 360 | $source = \BeyondWords\Editor\Components\SettingsFields::get_source( $post_id ); |
| 361 | |
| 362 | if ( \BeyondWords\Editor\Components\SettingsFields::source_includes_script( $source ) ) { |
| 363 | $body['summarization_settings'] = [ 'enabled' => true ]; |
| 364 | |
| 365 | $script_template_id = intval( |
| 366 | get_post_meta( $post_id, 'beyondwords_script_template_id', true ) |
| 367 | ); |
| 368 | |
| 369 | if ( $script_template_id > 0 ) { |
| 370 | $body['summarization_settings']['template'] = [ |
| 371 | 'id' => $script_template_id, |
| 372 | ]; |
| 373 | } |
| 374 | } |
| 375 | |
| 376 | $output = get_post_meta( $post_id, 'beyondwords_output', true ); |
| 377 | |
| 378 | if ( in_array( $output, [ 'video', 'audio_and_video' ], true ) ) { |
| 379 | $body['video_settings'] = self::get_video_settings_params( $post_id ); |
| 380 | } |
| 381 | |
| 382 | /** |
| 383 | * Filters the params we send to the BeyondWords API 'content' endpoint. |
| 384 | * |
| 385 | * @since 4.0.0 Introduced as beyondwords_body_params |
| 386 | * @since 4.3.0 Renamed from beyondwords_body_params to beyondwords_content_params |
| 387 | * |
| 388 | * @param array $body The params we send to the BeyondWords API. |
| 389 | * @param array $post_id WordPress post ID. |
| 390 | */ |
| 391 | $body = apply_filters( 'beyondwords_content_params', $body, $post_id ); |
| 392 | |
| 393 | return (string) wp_json_encode( $body ); |
| 394 | } |
| 395 | |
| 396 | /** |
| 397 | * Build the `video_settings` param sent to the BeyondWords content endpoint. |
| 398 | * |
| 399 | * The backend silently skips video generation unless the payload has `enabled: |
| 400 | * true` plus non-empty `variants` and `sizes` (with dimensions), so we seed |
| 401 | * from the project defaults and layer the post's choices on top. See doc/video-settings-payload.md. |
| 402 | * |
| 403 | * @since 7.0.0 |
| 404 | * |
| 405 | * @param int $post_id WordPress post ID. |
| 406 | * |
| 407 | * @return array<string, mixed> The `video_settings` param. |
| 408 | */ |
| 409 | private static function get_video_settings_params( int $post_id ): array { |
| 410 | // The post's project may be a per-post override of the global one. |
| 411 | $project_id = \BeyondWords\Post\Meta::get_project_id( $post_id ); |
| 412 | $defaults = \BeyondWords\Api\Client::get_video_settings( is_numeric( $project_id ) ? (int) $project_id : null ); |
| 413 | $defaults = is_array( $defaults ) ? $defaults : []; |
| 414 | |
| 415 | $settings = [ 'enabled' => true ]; |
| 416 | |
| 417 | // The backend needs a non-empty `variants`; there is no per-post variant |
| 418 | // control, so echo the project defaults. |
| 419 | if ( ! empty( $defaults['variants'] ) && is_array( $defaults['variants'] ) ) { |
| 420 | $settings['variants'] = array_values( $defaults['variants'] ); |
| 421 | } |
| 422 | |
| 423 | // Echo the project sizes (the backend requires width/height), enabling |
| 424 | // only the post's chosen size when one is set. |
| 425 | $video_size = (string) get_post_meta( $post_id, 'beyondwords_video_size', true ); |
| 426 | $default_sizes = ( isset( $defaults['sizes'] ) && is_array( $defaults['sizes'] ) ) ? $defaults['sizes'] : []; |
| 427 | |
| 428 | $sizes = []; |
| 429 | |
| 430 | foreach ( $default_sizes as $size ) { |
| 431 | if ( ! is_array( $size ) || ! isset( $size['name'] ) ) { |
| 432 | continue; |
| 433 | } |
| 434 | |
| 435 | $sizes[] = [ |
| 436 | 'name' => (string) $size['name'], |
| 437 | 'width' => (int) ( $size['width'] ?? 0 ), |
| 438 | 'height' => (int) ( $size['height'] ?? 0 ), |
| 439 | 'enabled' => '' !== $video_size |
| 440 | ? ( (string) $size['name'] === $video_size ) |
| 441 | : (bool) ( $size['enabled'] ?? false ), |
| 442 | ]; |
| 443 | } |
| 444 | |
| 445 | if ( ! empty( $sizes ) ) { |
| 446 | $settings['sizes'] = $sizes; |
| 447 | } |
| 448 | |
| 449 | // Omit `template` to defer to the project default. |
| 450 | $video_template_id = intval( get_post_meta( $post_id, 'beyondwords_video_template_id', true ) ); |
| 451 | |
| 452 | if ( $video_template_id > 0 ) { |
| 453 | $settings['template'] = [ 'id' => $video_template_id ]; |
| 454 | } |
| 455 | |
| 456 | return $settings; |
| 457 | } |
| 458 | |
| 459 | /** |
| 460 | * Get the taxonomy terms to send as the `tags` param. |
| 461 | * |
| 462 | * The values are used to create playlist filters in the BeyondWords dashboard. |
| 463 | * |
| 464 | * @since 3.3.0 Introduced as get_metadata(), sending a metadata.taxonomy object. |
| 465 | * @since 3.5.0 Moved from Core\Utils to Component\Post\PostUtils. |
| 466 | * @since 5.0.0 Remove beyondwords_post_metadata filter. |
| 467 | * @since 7.0.0 Renamed to get_tags(), returning a flat array of term names. |
| 468 | * |
| 469 | * @return string[] Term names from every taxonomy of the post type. |
| 470 | */ |
| 471 | public static function get_tags( int $post_id ): array { |
| 472 | $taxonomies = get_object_taxonomies( (string) get_post_type( $post_id ) ); |
| 473 | |
| 474 | $tags = []; |
| 475 | |
| 476 | foreach ( $taxonomies as $taxonomy ) { |
| 477 | $terms = get_the_terms( $post_id, $taxonomy ); |
| 478 | |
| 479 | if ( ! empty( $terms ) && ! is_wp_error( $terms ) ) { |
| 480 | $tags = array_merge( $tags, wp_list_pluck( $terms, 'name' ) ); |
| 481 | } |
| 482 | } |
| 483 | |
| 484 | // Core stores term names HTML-encoded, so "R&D" would reach the API as "R&D". |
| 485 | $tags = array_map( fn( $tag ) => wp_specialchars_decode( $tag, ENT_QUOTES ), $tags ); |
| 486 | |
| 487 | // Terms in different taxonomies can share a name, and the API wants each tag once. |
| 488 | return array_values( array_unique( $tags ) ); |
| 489 | } |
| 490 | |
| 491 | /** |
| 492 | * Get author name for a post. |
| 493 | * |
| 494 | * @since 3.10.4 |
| 495 | * @since 7.0.0 Refactored to BeyondWords namespace with snake_case methods. |
| 496 | * |
| 497 | * @param int $post_id Post ID. |
| 498 | */ |
| 499 | public static function get_author_name( int $post_id ): string { |
| 500 | $author_id = get_post_field( 'post_author', $post_id ); |
| 501 | |
| 502 | $name = get_the_author_meta( 'display_name', $author_id ); |
| 503 | |
| 504 | // Core stores display names HTML-encoded, so "Smith & Sons" would reach the API as "Smith & Sons". |
| 505 | return wp_specialchars_decode( $name, ENT_QUOTES ); |
| 506 | } |
| 507 | } |