rtl
11 years ago
class.related-posts-customize.php
2 years ago
jetpack-related-posts.php
2 years ago
readme.md
3 years ago
related-posts-customizer.js
6 years ago
related-posts-rtl.css
3 years ago
related-posts.css
3 years ago
related-posts.js
3 years ago
jetpack-related-posts.php
2126 lines
| 1 | <?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | /** |
| 3 | * The Jetpack_RelatedPosts class. |
| 4 | * |
| 5 | * @package automattic/jetpack |
| 6 | */ |
| 7 | |
| 8 | use Automattic\Jetpack\Assets; |
| 9 | use Automattic\Jetpack\Blocks; |
| 10 | use Automattic\Jetpack\Sync\Settings; |
| 11 | |
| 12 | /** |
| 13 | * The Jetpack_RelatedPosts class. |
| 14 | */ |
| 15 | class Jetpack_RelatedPosts { |
| 16 | const VERSION = '20211209'; |
| 17 | const SHORTCODE = 'jetpack-related-posts'; |
| 18 | |
| 19 | /** |
| 20 | * Instance of the class. |
| 21 | * |
| 22 | * @var Jetpack_RelatedPosts |
| 23 | */ |
| 24 | private static $instance = null; |
| 25 | |
| 26 | /** |
| 27 | * Instance of the raw class (?). |
| 28 | * |
| 29 | * @var Jetpack_RelatedPosts |
| 30 | */ |
| 31 | private static $instance_raw = null; |
| 32 | |
| 33 | /** |
| 34 | * Creates and returns a static instance of Jetpack_RelatedPosts. |
| 35 | * |
| 36 | * @return Jetpack_RelatedPosts |
| 37 | */ |
| 38 | public static function init() { |
| 39 | if ( ! self::$instance ) { |
| 40 | if ( class_exists( 'WPCOM_RelatedPosts' ) && method_exists( 'WPCOM_RelatedPosts', 'init' ) ) { |
| 41 | self::$instance = WPCOM_RelatedPosts::init(); |
| 42 | } else { |
| 43 | self::$instance = new Jetpack_RelatedPosts(); |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | return self::$instance; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Creates and returns a static instance of Jetpack_RelatedPosts_Raw. |
| 52 | * |
| 53 | * @return Jetpack_RelatedPosts |
| 54 | */ |
| 55 | public static function init_raw() { |
| 56 | if ( ! self::$instance_raw ) { |
| 57 | if ( class_exists( 'WPCOM_RelatedPosts' ) && method_exists( 'WPCOM_RelatedPosts', 'init_raw' ) ) { |
| 58 | self::$instance_raw = WPCOM_RelatedPosts::init_raw(); |
| 59 | } else { |
| 60 | self::$instance_raw = new Jetpack_RelatedPosts_Raw(); |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | return self::$instance_raw; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Options. |
| 69 | * |
| 70 | * @var array $options |
| 71 | */ |
| 72 | protected $options; |
| 73 | |
| 74 | /** |
| 75 | * Allow feature toggle variable. |
| 76 | * |
| 77 | * @var bool |
| 78 | */ |
| 79 | protected $allow_feature_toggle; |
| 80 | |
| 81 | /** |
| 82 | * Blog character set. |
| 83 | * |
| 84 | * @var mixed |
| 85 | */ |
| 86 | protected $blog_charset; |
| 87 | |
| 88 | /** |
| 89 | * Convert character set. |
| 90 | * |
| 91 | * @var bool |
| 92 | */ |
| 93 | protected $convert_charset; |
| 94 | |
| 95 | /** |
| 96 | * Previous Post ID |
| 97 | * |
| 98 | * @var int |
| 99 | */ |
| 100 | protected $previous_post_id; |
| 101 | |
| 102 | /** |
| 103 | * Shortcode usage. |
| 104 | * |
| 105 | * @var bool |
| 106 | */ |
| 107 | protected $found_shortcode = false; |
| 108 | |
| 109 | /** |
| 110 | * Constructor for Jetpack_RelatedPosts. |
| 111 | * |
| 112 | * @uses get_option, add_action, apply_filters |
| 113 | */ |
| 114 | public function __construct() { |
| 115 | $this->blog_charset = get_option( 'blog_charset' ); |
| 116 | $this->convert_charset = ( function_exists( 'iconv' ) && ! preg_match( '/^utf\-?8$/i', $this->blog_charset ) ); |
| 117 | add_action( 'admin_init', array( $this, 'action_admin_init' ) ); |
| 118 | add_action( 'wp', array( $this, 'action_frontend_init' ) ); |
| 119 | |
| 120 | if ( ! class_exists( 'Jetpack_Media_Summary' ) ) { |
| 121 | require_once JETPACK__PLUGIN_DIR . '_inc/lib/class.media-summary.php'; |
| 122 | } |
| 123 | |
| 124 | // Add Related Posts to the REST API Post response. |
| 125 | add_action( 'rest_api_init', array( $this, 'rest_register_related_posts' ) ); |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Get the blog ID. |
| 130 | * |
| 131 | * @return Object current blog id. |
| 132 | */ |
| 133 | protected function get_blog_id() { |
| 134 | return Jetpack_Options::get_option( 'id' ); |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * ================= |
| 139 | * ACTIONS & FILTERS |
| 140 | * ================= |
| 141 | */ |
| 142 | |
| 143 | /** |
| 144 | * Add a checkbox field to Settings > Reading for enabling related posts. |
| 145 | * |
| 146 | * @action admin_init |
| 147 | * @uses add_settings_field, __, register_setting, add_action |
| 148 | */ |
| 149 | public function action_admin_init() { |
| 150 | |
| 151 | // Add the setting field [jetpack_relatedposts] and place it in Settings > Reading. |
| 152 | add_settings_field( 'jetpack_relatedposts', '<span id="jetpack_relatedposts">' . __( 'Related posts', 'jetpack' ) . '</span>', array( $this, 'print_setting_html' ), 'reading' ); |
| 153 | register_setting( 'reading', 'jetpack_relatedposts', array( $this, 'parse_options' ) ); |
| 154 | add_action( 'admin_head', array( $this, 'print_setting_head' ) ); |
| 155 | |
| 156 | if ( 'options-reading.php' === $GLOBALS['pagenow'] ) { |
| 157 | // Enqueue style for live preview on the reading settings page. |
| 158 | $this->enqueue_assets( false, true ); |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Load related posts assets if it's an eligible front end page or execute search and return JSON if it's an endpoint request. |
| 164 | * |
| 165 | * @global $_GET |
| 166 | * @action wp |
| 167 | * @uses add_shortcode, get_the_ID |
| 168 | */ |
| 169 | public function action_frontend_init() { |
| 170 | // Add a shortcode handler that outputs nothing, this gets overridden later if we can display related content. |
| 171 | add_shortcode( self::SHORTCODE, array( $this, 'get_client_rendered_html_unsupported' ) ); |
| 172 | |
| 173 | if ( ! $this->enabled_for_request() ) { |
| 174 | return; |
| 175 | } |
| 176 | |
| 177 | if ( isset( $_GET['relatedposts'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reading and checking if we need to generate a list of excuded posts, does not update anything on the site. |
| 178 | $excludes = $this->parse_numeric_get_arg( 'relatedposts_exclude' ); |
| 179 | $this->action_frontend_init_ajax( $excludes ); |
| 180 | } else { |
| 181 | if ( isset( $_GET['relatedposts_hit'] ) && isset( $_GET['relatedposts_origin'] ) && isset( $_GET['relatedposts_position'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- checking if fields are set to setup tracking, nothing is changing on the site. |
| 182 | $this->previous_post_id = (int) $_GET['relatedposts_origin']; // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- fetching a previous post ID for tracking, nothing is changing on the site. |
| 183 | $this->log_click( $this->previous_post_id, get_the_ID(), sanitize_text_field( wp_unslash( $_GET['relatedposts_position'] ) ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- logging the click for tracking, nothing is changing on the site. |
| 184 | } |
| 185 | |
| 186 | $this->action_frontend_init_page(); |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Render insertion point. |
| 192 | * |
| 193 | * @since 4.2.0 |
| 194 | * |
| 195 | * @return string |
| 196 | */ |
| 197 | public function get_headline() { |
| 198 | $options = $this->get_options(); |
| 199 | |
| 200 | if ( $options['show_headline'] ) { |
| 201 | $headline = sprintf( |
| 202 | /** This filter is already documented in modules/sharedaddy/sharing-service.php */ |
| 203 | apply_filters( 'jetpack_sharing_headline_html', '<h3 class="jp-relatedposts-headline"><em>%s</em></h3>', esc_html( $options['headline'] ), 'related-posts' ), |
| 204 | esc_html( $options['headline'] ) |
| 205 | ); |
| 206 | } else { |
| 207 | $headline = ''; |
| 208 | } |
| 209 | return $headline; |
| 210 | } |
| 211 | |
| 212 | /** |
| 213 | * Adds a target to the post content to load related posts into if a shortcode for it did not already exist. |
| 214 | * Will skip adding the target if the post content contains a Related Posts block, if the 'get_the_excerpt' |
| 215 | * hook is in the current filter list, or if the site is running an FSE/Site Editor theme. |
| 216 | * |
| 217 | * @filter the_content |
| 218 | * |
| 219 | * @param string $content Post content. |
| 220 | * |
| 221 | * @returns string |
| 222 | */ |
| 223 | public function filter_add_target_to_dom( $content ) { |
| 224 | // Do not output related posts for ActivityPub requests. |
| 225 | if ( |
| 226 | function_exists( '\Activitypub\is_activitypub_request' ) |
| 227 | && \Activitypub\is_activitypub_request() |
| 228 | ) { |
| 229 | return $content; |
| 230 | } |
| 231 | |
| 232 | if ( has_block( 'jetpack/related-posts' ) || Blocks::is_fse_theme() ) { |
| 233 | return $content; |
| 234 | } |
| 235 | |
| 236 | if ( ! $this->found_shortcode && ! doing_filter( 'get_the_excerpt' ) ) { |
| 237 | if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) { |
| 238 | $content .= "\n" . $this->get_server_rendered_html(); |
| 239 | } else { |
| 240 | $content .= "\n" . $this->get_client_rendered_html(); |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | return $content; |
| 245 | } |
| 246 | |
| 247 | /** |
| 248 | * Render static markup based on the Gutenberg block code |
| 249 | * |
| 250 | * @return string Rendered related posts HTML. |
| 251 | */ |
| 252 | public function get_server_rendered_html() { |
| 253 | $rp_settings = $this->get_options(); |
| 254 | $block_rp_settings = array( |
| 255 | 'displayThumbnails' => $rp_settings['show_thumbnails'], |
| 256 | 'showHeadline' => $rp_settings['show_headline'], |
| 257 | 'displayDate' => isset( $rp_settings['show_date'] ) ? (bool) $rp_settings['show_date'] : true, |
| 258 | 'displayContext' => isset( $rp_settings['show_context'] ) && $rp_settings['show_context'], |
| 259 | 'postLayout' => isset( $rp_settings['layout'] ) ? $rp_settings['layout'] : 'grid', |
| 260 | 'postsToShow' => isset( $rp_settings['size'] ) ? $rp_settings['size'] : 3, |
| 261 | /** This filter is already documented in modules/related-posts/jetpack-related-posts.php */ |
| 262 | 'headline' => apply_filters( 'jetpack_relatedposts_filter_headline', $this->get_headline() ), |
| 263 | 'isServerRendered' => true, |
| 264 | ); |
| 265 | |
| 266 | return $this->render_block( $block_rp_settings, '' ); |
| 267 | } |
| 268 | |
| 269 | /** |
| 270 | * Looks for our shortcode on the unfiltered content, this has to execute early. |
| 271 | * |
| 272 | * @filter the_content |
| 273 | * @param string $content - content of the post. |
| 274 | * @uses has_shortcode |
| 275 | * @return string $content |
| 276 | */ |
| 277 | public function test_for_shortcode( $content ) { |
| 278 | $this->found_shortcode = has_shortcode( $content, self::SHORTCODE ); |
| 279 | |
| 280 | return $content; |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * Returns the HTML for the related posts section. |
| 285 | * |
| 286 | * @uses esc_html__, apply_filters |
| 287 | * @return string |
| 288 | */ |
| 289 | public function get_client_rendered_html() { |
| 290 | if ( Settings::is_syncing() ) { |
| 291 | return ''; |
| 292 | } |
| 293 | |
| 294 | /** |
| 295 | * Filter the Related Posts headline. |
| 296 | * |
| 297 | * @module related-posts |
| 298 | * |
| 299 | * @since 3.0.0 |
| 300 | * |
| 301 | * @param string $headline Related Posts heading. |
| 302 | */ |
| 303 | $headline = apply_filters( 'jetpack_relatedposts_filter_headline', $this->get_headline() ); |
| 304 | |
| 305 | if ( $this->previous_post_id ) { |
| 306 | $exclude = "data-exclude='{$this->previous_post_id}'"; |
| 307 | } else { |
| 308 | $exclude = ''; |
| 309 | } |
| 310 | |
| 311 | return <<<EOT |
| 312 | <div id='jp-relatedposts' class='jp-relatedposts' $exclude> |
| 313 | $headline |
| 314 | </div> |
| 315 | EOT; |
| 316 | } |
| 317 | |
| 318 | /** |
| 319 | * Returns the HTML for the related posts section if it's running in the loop or other instances where we don't support related posts. |
| 320 | * |
| 321 | * @returns string |
| 322 | */ |
| 323 | public function get_client_rendered_html_unsupported() { |
| 324 | if ( Settings::is_syncing() ) { |
| 325 | return ''; |
| 326 | } |
| 327 | return "\n\n<!-- Jetpack Related Posts is not supported in this context. -->\n\n"; |
| 328 | } |
| 329 | |
| 330 | /** |
| 331 | * =============== |
| 332 | * GUTENBERG BLOCK |
| 333 | * =============== |
| 334 | */ |
| 335 | |
| 336 | /** |
| 337 | * Echoes out items for the Gutenberg block |
| 338 | * |
| 339 | * @param array $related_post The post object. |
| 340 | * @param array $block_attributes The block attributes. |
| 341 | */ |
| 342 | public function render_block_item( $related_post, $block_attributes ) { |
| 343 | $instance_id = 'related-posts-item-' . uniqid(); |
| 344 | $label_id = $instance_id . '-label'; |
| 345 | |
| 346 | $item_markup = sprintf( |
| 347 | '<ul id="%1$s" aria-labelledby="%2$s" class="jp-related-posts-i2__post" role="menuitem">', |
| 348 | esc_attr( $instance_id ), |
| 349 | esc_attr( $label_id ) |
| 350 | ); |
| 351 | |
| 352 | $item_markup .= sprintf( |
| 353 | '<li class="jp-related-posts-i2__post-link"><a id="%1$s" href="%2$s" %4$s>%3$s</a></li>', |
| 354 | esc_attr( $label_id ), |
| 355 | esc_url( $related_post['url'] ), |
| 356 | esc_attr( $related_post['title'] ), |
| 357 | ( ! empty( $related_post['rel'] ) ? 'rel="' . esc_attr( $related_post['rel'] ) . '"' : '' ) |
| 358 | ); |
| 359 | |
| 360 | if ( ! empty( $block_attributes['show_thumbnails'] ) && ! empty( $related_post['img']['src'] ) ) { |
| 361 | $img_link = sprintf( |
| 362 | '<li class="jp-related-posts-i2__post-img-link"><a href="%1$s" %2$s><img loading="lazy" src="%3$s" width="%4$s" height="%5$s" alt="%6$s" %7$s/></a></li>', |
| 363 | esc_url( $related_post['url'] ), |
| 364 | ( ! empty( $related_post['rel'] ) ? 'rel="' . esc_attr( $related_post['rel'] ) . '"' : '' ), |
| 365 | esc_url( $related_post['img']['src'] ), |
| 366 | esc_attr( $related_post['img']['width'] ), |
| 367 | esc_attr( $related_post['img']['height'] ), |
| 368 | esc_attr( $related_post['img']['alt_text'] ), |
| 369 | ( ! empty( $related_post['img']['srcset'] ) ? 'srcset="' . esc_attr( $related_post['img']['srcset'] ) . '"' : '' ) |
| 370 | ); |
| 371 | |
| 372 | $item_markup .= $img_link; |
| 373 | } |
| 374 | |
| 375 | if ( $block_attributes['show_date'] ) { |
| 376 | $date_tag = sprintf( |
| 377 | '<li class="jp-related-posts-i2__post-date">%1$s</li>', |
| 378 | esc_html( $related_post['date'] ) |
| 379 | ); |
| 380 | |
| 381 | $item_markup .= $date_tag; |
| 382 | } |
| 383 | |
| 384 | if ( $block_attributes['show_author'] ) { |
| 385 | $author_tag = sprintf( |
| 386 | '<li class="jp-related-posts-i2__post-author">%1$s</li>', |
| 387 | esc_html( $related_post['author'] ) |
| 388 | ); |
| 389 | |
| 390 | $item_markup .= $author_tag; |
| 391 | } |
| 392 | |
| 393 | if ( ( $block_attributes['show_context'] ) && ! empty( $related_post['block_context'] ) ) { |
| 394 | // Note: The original 'context' value is not used when rendering the block. |
| 395 | // It is still generated and available for the legacy rendering code path though. |
| 396 | // See './related-posts.js' for that usage. |
| 397 | $context_tag = ''; |
| 398 | $block_context = $related_post['block_context']; |
| 399 | if ( ! empty( $block_context['link'] ) ) { |
| 400 | $context_tag = sprintf( |
| 401 | '<li class="jp-related-posts-i2__post-context"><a href="%1$s">%2$s</a></li>', |
| 402 | esc_url( $block_context['link'] ), |
| 403 | esc_html( $block_context['text'] ) |
| 404 | ); |
| 405 | } else { |
| 406 | $context_tag = sprintf( |
| 407 | '<li class="jp-related-posts-i2__post-context">%1$s</li>', |
| 408 | esc_html( $block_context['text'] ) |
| 409 | ); |
| 410 | } |
| 411 | |
| 412 | $item_markup .= $context_tag; |
| 413 | } |
| 414 | |
| 415 | $item_markup .= '</ul>'; |
| 416 | |
| 417 | return $item_markup; |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * Render a related posts row. |
| 422 | * |
| 423 | * @param array $posts The posts to render into the row. |
| 424 | * @param array $block_attributes Block attributes. |
| 425 | */ |
| 426 | public function render_block_row( $posts, $block_attributes ) { |
| 427 | $rows_markup = ''; |
| 428 | foreach ( $posts as $post ) { |
| 429 | $rows_markup .= $this->render_block_item( $post, $block_attributes ); |
| 430 | } |
| 431 | return sprintf( |
| 432 | '<div class="jp-related-posts-i2__row" data-post-count="%1$s">%2$s</div>', |
| 433 | count( $posts ), |
| 434 | $rows_markup |
| 435 | ); |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * Render the related posts markup. |
| 440 | * |
| 441 | * @param array $attributes Block attributes. |
| 442 | * @param string $content String containing the related Posts block content. |
| 443 | * @return string |
| 444 | */ |
| 445 | public function render_block( $attributes, $content ) { |
| 446 | if ( ! jetpack_is_frontend() ) { |
| 447 | return $content; |
| 448 | } |
| 449 | |
| 450 | $wrapper_attributes = array(); |
| 451 | $post_id = get_the_ID(); |
| 452 | $block_attributes = array( |
| 453 | 'headline' => isset( $attributes['headline'] ) ? $attributes['headline'] : null, |
| 454 | 'show_thumbnails' => isset( $attributes['displayThumbnails'] ) && $attributes['displayThumbnails'], |
| 455 | 'show_author' => isset( $attributes['displayAuthor'] ) ? (bool) $attributes['displayAuthor'] : false, |
| 456 | 'show_headline' => isset( $attributes['displayHeadline'] ) ? (bool) $attributes['displayHeadline'] : false, |
| 457 | 'show_date' => isset( $attributes['displayDate'] ) ? (bool) $attributes['displayDate'] : true, |
| 458 | 'show_context' => isset( $attributes['displayContext'] ) && $attributes['displayContext'], |
| 459 | 'layout' => isset( $attributes['postLayout'] ) && 'list' === $attributes['postLayout'] ? $attributes['postLayout'] : 'grid', |
| 460 | 'size' => ! empty( $attributes['postsToShow'] ) ? absint( $attributes['postsToShow'] ) : 3, |
| 461 | ); |
| 462 | |
| 463 | $excludes = $this->parse_numeric_get_arg( 'relatedposts_origin' ); |
| 464 | |
| 465 | $related_posts = $this->get_for_post_id( |
| 466 | $post_id, |
| 467 | array( |
| 468 | 'size' => $block_attributes['size'], |
| 469 | 'exclude_post_ids' => $excludes, |
| 470 | ) |
| 471 | ); |
| 472 | |
| 473 | $display_lower_row = $block_attributes['size'] > 3; |
| 474 | |
| 475 | if ( empty( $related_posts ) ) { |
| 476 | return ''; |
| 477 | } |
| 478 | |
| 479 | switch ( count( $related_posts ) ) { |
| 480 | case 2: |
| 481 | case 4: |
| 482 | case 5: |
| 483 | $top_row_end = 2; |
| 484 | break; |
| 485 | |
| 486 | default: |
| 487 | $top_row_end = 3; |
| 488 | break; |
| 489 | } |
| 490 | |
| 491 | $upper_row_posts = array_slice( $related_posts, 0, $top_row_end ); |
| 492 | $lower_row_posts = array_slice( $related_posts, $top_row_end ); |
| 493 | |
| 494 | $rows_markup = $this->render_block_row( $upper_row_posts, $block_attributes ); |
| 495 | if ( $display_lower_row ) { |
| 496 | $rows_markup .= $this->render_block_row( $lower_row_posts, $block_attributes ); |
| 497 | } |
| 498 | |
| 499 | if ( empty( $attributes['isServerRendered'] ) ) { |
| 500 | // The get_server_rendered_html() path won't register a block, |
| 501 | // so only apply block supports when not server rendered. |
| 502 | $wrapper_attributes = \WP_Block_Supports::get_instance()->apply_block_supports(); |
| 503 | } |
| 504 | |
| 505 | $headline_markup = ''; |
| 506 | if ( $block_attributes['show_headline'] === true ) { |
| 507 | $headline = $block_attributes['headline']; |
| 508 | if ( strlen( trim( $headline ) ) !== 0 ) { |
| 509 | $headline_markup = sprintf( |
| 510 | '<h3 class="jp-relatedposts-headline">%1$s</h3>', |
| 511 | esc_html( $headline ) |
| 512 | ); |
| 513 | } |
| 514 | } |
| 515 | $display_markup = sprintf( |
| 516 | '<nav class="jp-relatedposts-i2%1$s"%2$s data-layout="%3$s">%4$s%5$s</nav>', |
| 517 | ! empty( $wrapper_attributes['class'] ) ? ' ' . esc_attr( $wrapper_attributes['class'] ) : '', |
| 518 | ! empty( $wrapper_attributes['style'] ) ? ' style="' . esc_attr( $wrapper_attributes['style'] ) . '"' : '', |
| 519 | esc_attr( $block_attributes['layout'] ), |
| 520 | $headline_markup, |
| 521 | $rows_markup |
| 522 | ); |
| 523 | |
| 524 | /** |
| 525 | * Filter the output HTML of Related Posts. |
| 526 | * |
| 527 | * @module related-posts |
| 528 | * |
| 529 | * @since 10.7 |
| 530 | * |
| 531 | * @param string $display_markup HTML output of Related Posts. |
| 532 | * @param int|false get_the_ID() Post ID of the post for which we are retrieving Related Posts. |
| 533 | * @param array $related_posts Array of related posts. |
| 534 | * @param array $block_attributes Array of Block attributes. |
| 535 | */ |
| 536 | return (string) apply_filters( 'jetpack_related_posts_display_markup', $display_markup, $post_id, $related_posts, $block_attributes ); |
| 537 | } |
| 538 | |
| 539 | /** |
| 540 | * ======================== |
| 541 | * PUBLIC UTILITY FUNCTIONS |
| 542 | * ======================== |
| 543 | */ |
| 544 | |
| 545 | /** |
| 546 | * Parse a numeric GET variable to an array of values. |
| 547 | * |
| 548 | * @since 6.9.0 |
| 549 | * |
| 550 | * @uses absint |
| 551 | * |
| 552 | * @param string $arg Name of the GET variable. |
| 553 | * @return array $result Parsed value(s) |
| 554 | */ |
| 555 | public function parse_numeric_get_arg( $arg ) { |
| 556 | $result = array(); |
| 557 | |
| 558 | if ( isset( $_GET[ $arg ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- requests are used to generate a list of related posts we want to exclude. |
| 559 | if ( is_string( $_GET[ $arg ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 560 | $result = explode( ',', sanitize_text_field( wp_unslash( $_GET[ $arg ] ) ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 561 | } elseif ( is_array( $_GET[ $arg ] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 562 | $args = array_map( 'sanitize_text_field', wp_unslash( $_GET[ $arg ] ) ); // phpcs:ignore WordPress.Security.NonceVerification.Recommended |
| 563 | $result = array_values( $args ); |
| 564 | } |
| 565 | |
| 566 | $result = array_unique( array_filter( array_map( 'absint', $result ) ) ); |
| 567 | } |
| 568 | |
| 569 | return $result; |
| 570 | } |
| 571 | |
| 572 | /** |
| 573 | * Gets options set for Jetpack_RelatedPosts and merge with defaults. |
| 574 | * |
| 575 | * @uses Jetpack_Options::get_option, apply_filters |
| 576 | * @return array |
| 577 | */ |
| 578 | public function get_options() { |
| 579 | if ( null === $this->options ) { |
| 580 | $this->options = Jetpack_Options::get_option( 'relatedposts', array() ); |
| 581 | if ( ! is_array( $this->options ) ) { |
| 582 | $this->options = array(); |
| 583 | } |
| 584 | if ( ! isset( $this->options['enabled'] ) ) { |
| 585 | $this->options['enabled'] = true; |
| 586 | } |
| 587 | if ( ! isset( $this->options['show_headline'] ) ) { |
| 588 | $this->options['show_headline'] = true; |
| 589 | } |
| 590 | if ( ! isset( $this->options['show_thumbnails'] ) ) { |
| 591 | $this->options['show_thumbnails'] = false; |
| 592 | } |
| 593 | if ( ! isset( $this->options['show_date'] ) ) { |
| 594 | $this->options['show_date'] = true; |
| 595 | } |
| 596 | if ( ! isset( $this->options['show_context'] ) ) { |
| 597 | $this->options['show_context'] = true; |
| 598 | } |
| 599 | if ( ! isset( $this->options['layout'] ) ) { |
| 600 | $this->options['layout'] = 'grid'; |
| 601 | } |
| 602 | if ( ! isset( $this->options['headline'] ) ) { |
| 603 | $this->options['headline'] = esc_html__( 'Related', 'jetpack' ); |
| 604 | } |
| 605 | if ( empty( $this->options['size'] ) || (int) $this->options['size'] < 1 ) { |
| 606 | $this->options['size'] = 3; |
| 607 | } |
| 608 | |
| 609 | /** |
| 610 | * Filter Related Posts basic options. |
| 611 | * |
| 612 | * @module related-posts |
| 613 | * |
| 614 | * @since 2.8.0 |
| 615 | * |
| 616 | * @param array $this->_options Array of basic Related Posts options. |
| 617 | */ |
| 618 | $this->options = apply_filters( 'jetpack_relatedposts_filter_options', $this->options ); |
| 619 | } |
| 620 | |
| 621 | return $this->options; |
| 622 | } |
| 623 | |
| 624 | /** |
| 625 | * Gets options. |
| 626 | * |
| 627 | * @param string $option_name - option we want to get. |
| 628 | */ |
| 629 | public function get_option( $option_name ) { |
| 630 | $options = $this->get_options(); |
| 631 | |
| 632 | if ( isset( $options[ $option_name ] ) ) { |
| 633 | return $options[ $option_name ]; |
| 634 | } |
| 635 | |
| 636 | return false; |
| 637 | } |
| 638 | |
| 639 | /** |
| 640 | * Parses input and returns normalized options array. |
| 641 | * |
| 642 | * @param array $input - input we're parsing. |
| 643 | * @uses self::get_options |
| 644 | * @return array |
| 645 | */ |
| 646 | public function parse_options( $input ) { |
| 647 | $current = $this->get_options(); |
| 648 | |
| 649 | if ( ! is_array( $input ) ) { |
| 650 | $input = array(); |
| 651 | } |
| 652 | |
| 653 | if ( |
| 654 | ! isset( $input['enabled'] ) |
| 655 | || isset( $input['show_date'] ) |
| 656 | || isset( $input['show_context'] ) |
| 657 | || isset( $input['layout'] ) |
| 658 | || isset( $input['headline'] ) |
| 659 | ) { |
| 660 | $input['enabled'] = '1'; |
| 661 | } |
| 662 | |
| 663 | if ( '1' == $input['enabled'] ) { // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual -- expecting string, but may return bools. |
| 664 | $current['enabled'] = true; |
| 665 | $current['show_headline'] = ( isset( $input['show_headline'] ) && '1' == $input['show_headline'] ); // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual |
| 666 | $current['show_thumbnails'] = ( isset( $input['show_thumbnails'] ) && '1' == $input['show_thumbnails'] ); // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual |
| 667 | $current['show_date'] = ( isset( $input['show_date'] ) && '1' == $input['show_date'] ); // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual |
| 668 | $current['show_context'] = ( isset( $input['show_context'] ) && '1' == $input['show_context'] ); // phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual |
| 669 | $current['layout'] = isset( $input['layout'] ) && in_array( $input['layout'], array( 'grid', 'list' ), true ) ? $input['layout'] : 'grid'; |
| 670 | $current['headline'] = isset( $input['headline'] ) ? $input['headline'] : esc_html__( 'Related', 'jetpack' ); |
| 671 | } else { |
| 672 | $current['enabled'] = false; |
| 673 | } |
| 674 | |
| 675 | if ( isset( $input['size'] ) && (int) $input['size'] > 0 ) { |
| 676 | $current['size'] = (int) $input['size']; |
| 677 | } else { |
| 678 | $current['size'] = null; |
| 679 | } |
| 680 | return $current; |
| 681 | } |
| 682 | |
| 683 | /** |
| 684 | * HTML for admin settings page. |
| 685 | * |
| 686 | * @uses self::get_options, checked, esc_html__ |
| 687 | * @returns null |
| 688 | */ |
| 689 | public function print_setting_html() { |
| 690 | $options = $this->get_options(); |
| 691 | |
| 692 | $ui_settings_template = <<<EOT |
| 693 | <p class="description">%s</p> |
| 694 | <ul id="settings-reading-relatedposts-customize"> |
| 695 | <li> |
| 696 | <label><input name="jetpack_relatedposts[show_headline]" type="checkbox" value="1" %s /> %s</label> |
| 697 | </li> |
| 698 | <li> |
| 699 | <label><input name="jetpack_relatedposts[show_thumbnails]" type="checkbox" value="1" %s /> %s</label> |
| 700 | </li> |
| 701 | <li> |
| 702 | <label><input name="jetpack_relatedposts[show_date]" type="checkbox" value="1" %s /> %s</label> |
| 703 | </li> |
| 704 | <li> |
| 705 | <label><input name="jetpack_relatedposts[show_context]" type="checkbox" value="1" %s /> %s</label> |
| 706 | </li> |
| 707 | </ul> |
| 708 | <div id='settings-reading-relatedposts-preview'> |
| 709 | %s |
| 710 | <div id="jp-relatedposts" class="jp-relatedposts"></div> |
| 711 | </div> |
| 712 | EOT; |
| 713 | $ui_settings = sprintf( |
| 714 | $ui_settings_template, |
| 715 | esc_html__( 'The following settings will impact all related posts on your site, except for those you created via the block editor:', 'jetpack' ), |
| 716 | checked( $options['show_headline'], true, false ), |
| 717 | esc_html__( 'Highlight related content with a heading', 'jetpack' ), |
| 718 | checked( $options['show_thumbnails'], true, false ), |
| 719 | esc_html__( 'Show a thumbnail image where available', 'jetpack' ), |
| 720 | checked( $options['show_date'], true, false ), |
| 721 | esc_html__( 'Show entry date', 'jetpack' ), |
| 722 | checked( $options['show_context'], true, false ), |
| 723 | esc_html__( 'Show context (category or tag)', 'jetpack' ), |
| 724 | esc_html__( 'Preview:', 'jetpack' ) |
| 725 | ); |
| 726 | |
| 727 | if ( ! $this->allow_feature_toggle() ) { |
| 728 | $template = <<<EOT |
| 729 | <input type="hidden" name="jetpack_relatedposts[enabled]" value="1" /> |
| 730 | %s |
| 731 | EOT; |
| 732 | printf( |
| 733 | $template, // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 734 | $ui_settings // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- data is escaped when variable is set. |
| 735 | ); |
| 736 | } else { |
| 737 | $template = <<<EOT |
| 738 | <ul id="settings-reading-relatedposts"> |
| 739 | <li> |
| 740 | <label><input type="radio" name="jetpack_relatedposts[enabled]" value="0" class="tog" %s /> %s</label> |
| 741 | </li> |
| 742 | <li> |
| 743 | <label><input type="radio" name="jetpack_relatedposts[enabled]" value="1" class="tog" %s /> %s</label> |
| 744 | %s |
| 745 | </li> |
| 746 | </ul> |
| 747 | EOT; |
| 748 | printf( |
| 749 | $template, // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped |
| 750 | checked( $options['enabled'], false, false ), |
| 751 | esc_html__( 'Hide related content after posts', 'jetpack' ), |
| 752 | checked( $options['enabled'], true, false ), |
| 753 | esc_html__( 'Show related content after posts', 'jetpack' ), |
| 754 | $ui_settings // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- data is escaped when variable is set. |
| 755 | ); |
| 756 | } |
| 757 | } |
| 758 | |
| 759 | /** |
| 760 | * Head JS/CSS for admin settings page. |
| 761 | * |
| 762 | * @uses esc_html__ |
| 763 | * @returns null |
| 764 | */ |
| 765 | public function print_setting_head() { |
| 766 | |
| 767 | // only dislay the Related Posts JavaScript on the Reading Settings Admin Page. |
| 768 | $current_screen = get_current_screen(); |
| 769 | |
| 770 | if ( $current_screen === null ) { |
| 771 | return; |
| 772 | } |
| 773 | |
| 774 | if ( 'options-reading' !== $current_screen->id ) { |
| 775 | return; |
| 776 | } |
| 777 | |
| 778 | $related_headline = sprintf( |
| 779 | '<h3 class="jp-relatedposts-headline"><em>%s</em></h3>', |
| 780 | esc_html__( 'Related', 'jetpack' ) |
| 781 | ); |
| 782 | |
| 783 | $href_params = 'class="jp-relatedposts-post-a" href="#jetpack_relatedposts" rel="nofollow" data-origin="0" data-position="0"'; |
| 784 | $related_with_images = <<<EOT |
| 785 | <div class="jp-relatedposts-items jp-relatedposts-items-visual"> |
| 786 | <div class="jp-relatedposts-post jp-relatedposts-post0 jp-relatedposts-post-thumbs" data-post-id="0" data-post-format="image"> |
| 787 | <a $href_params> |
| 788 | <img class="jp-relatedposts-post-img" src="https://jetpackme.files.wordpress.com/2019/03/cat-blog.png" width="350" alt="Big iPhone/iPad Update Now Available" scale="0"> |
| 789 | </a> |
| 790 | <h4 class="jp-relatedposts-post-title"> |
| 791 | <a $href_params>Big iPhone/iPad Update Now Available</a> |
| 792 | </h4> |
| 793 | <p class="jp-relatedposts-post-excerpt">Big iPhone/iPad Update Now Available</p> |
| 794 | <p class="jp-relatedposts-post-context">In "Mobile"</p> |
| 795 | </div> |
| 796 | <div class="jp-relatedposts-post jp-relatedposts-post1 jp-relatedposts-post-thumbs" data-post-id="0" data-post-format="image"> |
| 797 | <a $href_params> |
| 798 | <img class="jp-relatedposts-post-img" src="https://jetpackme.files.wordpress.com/2019/03/devices.jpg" width="350" alt="The WordPress for Android App Gets a Big Facelift" scale="0"> |
| 799 | </a> |
| 800 | <h4 class="jp-relatedposts-post-title"> |
| 801 | <a $href_params>The WordPress for Android App Gets a Big Facelift</a> |
| 802 | </h4> |
| 803 | <p class="jp-relatedposts-post-excerpt">The WordPress for Android App Gets a Big Facelift</p> |
| 804 | <p class="jp-relatedposts-post-context">In "Mobile"</p> |
| 805 | </div> |
| 806 | <div class="jp-relatedposts-post jp-relatedposts-post2 jp-relatedposts-post-thumbs" data-post-id="0" data-post-format="image"> |
| 807 | <a $href_params> |
| 808 | <img class="jp-relatedposts-post-img" src="https://jetpackme.files.wordpress.com/2019/03/mobile-wedding.jpg" width="350" alt="Upgrade Focus: VideoPress For Weddings" scale="0"> |
| 809 | </a> |
| 810 | <h4 class="jp-relatedposts-post-title"> |
| 811 | <a $href_params>Upgrade Focus: VideoPress For Weddings</a> |
| 812 | </h4> |
| 813 | <p class="jp-relatedposts-post-excerpt">Upgrade Focus: VideoPress For Weddings</p> |
| 814 | <p class="jp-relatedposts-post-context">In "Upgrade"</p> |
| 815 | </div> |
| 816 | </div> |
| 817 | EOT; |
| 818 | $related_with_images = str_replace( "\n", '', $related_with_images ); |
| 819 | $related_without_images = <<<EOT |
| 820 | <div class="jp-relatedposts-items jp-relatedposts-items-minimal"> |
| 821 | <p class="jp-relatedposts-post jp-relatedposts-post0" data-post-id="0" data-post-format="image"> |
| 822 | <span class="jp-relatedposts-post-title"><a $href_params>Big iPhone/iPad Update Now Available</a></span> |
| 823 | <span class="jp-relatedposts-post-context">In "Mobile"</span> |
| 824 | </p> |
| 825 | <p class="jp-relatedposts-post jp-relatedposts-post1" data-post-id="0" data-post-format="image"> |
| 826 | <span class="jp-relatedposts-post-title"><a $href_params>The WordPress for Android App Gets a Big Facelift</a></span> |
| 827 | <span class="jp-relatedposts-post-context">In "Mobile"</span> |
| 828 | </p> |
| 829 | <p class="jp-relatedposts-post jp-relatedposts-post2" data-post-id="0" data-post-format="image"> |
| 830 | <span class="jp-relatedposts-post-title"><a $href_params>Upgrade Focus: VideoPress For Weddings</a></span> |
| 831 | <span class="jp-relatedposts-post-context">In "Upgrade"</span> |
| 832 | </p> |
| 833 | </div> |
| 834 | EOT; |
| 835 | $related_without_images = str_replace( "\n", '', $related_without_images ); |
| 836 | |
| 837 | if ( $this->allow_feature_toggle() ) { |
| 838 | $extra_css = '#settings-reading-relatedposts-customize { padding-left:2em; margin-top:.5em; }'; |
| 839 | } else { |
| 840 | $extra_css = ''; |
| 841 | } |
| 842 | // phpcs:disable WordPress.Security.EscapeOutput.HeredocOutputNotEscaped -- Escaped above where needed. |
| 843 | echo <<<EOT |
| 844 | <style type="text/css"> |
| 845 | #settings-reading-relatedposts .disabled { opacity:.5; filter:Alpha(opacity=50); } |
| 846 | #settings-reading-relatedposts-preview .jp-relatedposts { background:#fff; padding:.5em; width:75%; } |
| 847 | $extra_css |
| 848 | </style> |
| 849 | <script type="text/javascript"> |
| 850 | jQuery( document ).ready( function($) { |
| 851 | var update_ui = function() { |
| 852 | var is_enabled = true; |
| 853 | if ( 'radio' == $( 'input[name="jetpack_relatedposts[enabled]"]' ).attr('type') ) { |
| 854 | if ( '0' == $( 'input[name="jetpack_relatedposts[enabled]"]:checked' ).val() ) { |
| 855 | is_enabled = false; |
| 856 | } |
| 857 | } |
| 858 | if ( is_enabled ) { |
| 859 | $( '#settings-reading-relatedposts-customize' ) |
| 860 | .removeClass( 'disabled' ) |
| 861 | .find( 'input' ) |
| 862 | .attr( 'disabled', false ); |
| 863 | $( '#settings-reading-relatedposts-preview' ) |
| 864 | .removeClass( 'disabled' ); |
| 865 | } else { |
| 866 | $( '#settings-reading-relatedposts-customize' ) |
| 867 | .addClass( 'disabled' ) |
| 868 | .find( 'input' ) |
| 869 | .attr( 'disabled', true ); |
| 870 | $( '#settings-reading-relatedposts-preview' ) |
| 871 | .addClass( 'disabled' ); |
| 872 | } |
| 873 | }; |
| 874 | |
| 875 | var update_preview = function() { |
| 876 | var html = ''; |
| 877 | if ( $( 'input[name="jetpack_relatedposts[show_headline]"]:checked' ).length ) { |
| 878 | html += '$related_headline'; |
| 879 | } |
| 880 | if ( $( 'input[name="jetpack_relatedposts[show_thumbnails]"]:checked' ).length ) { |
| 881 | html += '$related_with_images'; |
| 882 | } else { |
| 883 | html += '$related_without_images'; |
| 884 | } |
| 885 | $( '#settings-reading-relatedposts-preview .jp-relatedposts' ).html( html ); |
| 886 | if ( $( 'input[name="jetpack_relatedposts[show_date]"]:checked' ).length ) { |
| 887 | $( '.jp-relatedposts-post-title' ).each( function() { |
| 888 | $( this ).after( $( '<span>August 8, 2005</span>' ) ); |
| 889 | } ); |
| 890 | } |
| 891 | if ( $( 'input[name="jetpack_relatedposts[show_context]"]:checked' ).length ) { |
| 892 | $( '.jp-relatedposts-post-context' ).show(); |
| 893 | } else { |
| 894 | $( '.jp-relatedposts-post-context' ).hide(); |
| 895 | } |
| 896 | $( '#settings-reading-relatedposts-preview .jp-relatedposts' ).show(); |
| 897 | }; |
| 898 | |
| 899 | // Update on load |
| 900 | update_preview(); |
| 901 | update_ui(); |
| 902 | |
| 903 | // Update on change |
| 904 | $( '#settings-reading-relatedposts-customize input' ) |
| 905 | .change( update_preview ); |
| 906 | $( '#settings-reading-relatedposts' ) |
| 907 | .find( 'input.tog' ) |
| 908 | .change( update_ui ); |
| 909 | }); |
| 910 | </script> |
| 911 | EOT; |
| 912 | // phpcs:enable WordPress.Security.EscapeOutput.HeredocOutputNotEscaped |
| 913 | } |
| 914 | |
| 915 | /** |
| 916 | * Gets an array of related posts that match the given post_id. |
| 917 | * |
| 918 | * @param int $post_id Post which we want to find related posts for. |
| 919 | * @param array $args - params to use when building Elasticsearch filters to narrow down the search domain. |
| 920 | * @uses self::get_options, get_post_type, wp_parse_args, apply_filters |
| 921 | * @return array |
| 922 | */ |
| 923 | public function get_for_post_id( $post_id, array $args ) { |
| 924 | $options = $this->get_options(); |
| 925 | |
| 926 | if ( ! empty( $args['size'] ) ) { |
| 927 | $options['size'] = $args['size']; |
| 928 | } |
| 929 | |
| 930 | if ( |
| 931 | ! $options['enabled'] |
| 932 | || 0 === (int) $post_id |
| 933 | || empty( $options['size'] ) |
| 934 | ) { |
| 935 | return array(); |
| 936 | } |
| 937 | |
| 938 | $defaults = array( |
| 939 | 'size' => (int) $options['size'], |
| 940 | 'post_type' => get_post_type( $post_id ), |
| 941 | 'post_formats' => array(), |
| 942 | 'has_terms' => array(), |
| 943 | 'date_range' => array(), |
| 944 | 'exclude_post_ids' => array(), |
| 945 | ); |
| 946 | $args = wp_parse_args( $args, $defaults ); |
| 947 | /** |
| 948 | * Filter the arguments used to retrieve a list of Related Posts. |
| 949 | * |
| 950 | * @module related-posts |
| 951 | * |
| 952 | * @since 2.8.0 |
| 953 | * |
| 954 | * @param array $args Array of options to retrieve Related Posts. |
| 955 | * @param string $post_id Post ID of the post for which we are retrieving Related Posts. |
| 956 | */ |
| 957 | $args = apply_filters( 'jetpack_relatedposts_filter_args', $args, $post_id ); |
| 958 | |
| 959 | $filters = $this->get_es_filters_from_args( $post_id, $args ); |
| 960 | /** |
| 961 | * Filter Elasticsearch options used to calculate Related Posts. |
| 962 | * |
| 963 | * @module related-posts |
| 964 | * |
| 965 | * @since 2.8.0 |
| 966 | * |
| 967 | * @param array $filters Array of Elasticsearch filters based on the post_id and args. |
| 968 | * @param string $post_id Post ID of the post for which we are retrieving Related Posts. |
| 969 | */ |
| 970 | $filters = apply_filters( 'jetpack_relatedposts_filter_filters', $filters, $post_id ); |
| 971 | |
| 972 | $results = $this->get_related_posts( $post_id, $args['size'], $filters ); |
| 973 | /** |
| 974 | * Filter the array of related posts matched by Elasticsearch. |
| 975 | * |
| 976 | * @module related-posts |
| 977 | * |
| 978 | * @since 2.8.0 |
| 979 | * |
| 980 | * @param array $results Array of related posts matched by Elasticsearch. |
| 981 | * @param int $post_id Post ID of the post for which we are retrieving Related Posts. |
| 982 | */ |
| 983 | return apply_filters( 'jetpack_relatedposts_returned_results', $results, $post_id ); |
| 984 | } |
| 985 | |
| 986 | /** |
| 987 | * ========================= |
| 988 | * PRIVATE UTILITY FUNCTIONS |
| 989 | * ========================= |
| 990 | */ |
| 991 | |
| 992 | /** |
| 993 | * Creates an array of Elasticsearch filters based on the post_id and args. |
| 994 | * |
| 995 | * @param int $post_id - the post ID. |
| 996 | * @param array $args - the arguments. |
| 997 | * @uses apply_filters, get_post_types, get_post_format_strings |
| 998 | * @return array |
| 999 | */ |
| 1000 | protected function get_es_filters_from_args( $post_id, array $args ) { |
| 1001 | $filters = array(); |
| 1002 | |
| 1003 | /** |
| 1004 | * Filter the terms used to search for Related Posts. |
| 1005 | * |
| 1006 | * @module related-posts |
| 1007 | * |
| 1008 | * @since 2.8.0 |
| 1009 | * |
| 1010 | * @param array $args['has_terms'] Array of terms associated to the Related Posts. |
| 1011 | * @param string $post_id Post ID of the post for which we are retrieving Related Posts. |
| 1012 | */ |
| 1013 | $args['has_terms'] = apply_filters( 'jetpack_relatedposts_filter_has_terms', $args['has_terms'], $post_id ); |
| 1014 | if ( ! empty( $args['has_terms'] ) ) { |
| 1015 | foreach ( (array) $args['has_terms'] as $term ) { |
| 1016 | if ( mb_strlen( $term->taxonomy ) ) { |
| 1017 | switch ( $term->taxonomy ) { |
| 1018 | case 'post_tag': |
| 1019 | $tax_fld = 'tag.slug'; |
| 1020 | break; |
| 1021 | case 'category': |
| 1022 | $tax_fld = 'category.slug'; |
| 1023 | break; |
| 1024 | default: |
| 1025 | $tax_fld = 'taxonomy.' . $term->taxonomy . '.slug'; |
| 1026 | break; |
| 1027 | } |
| 1028 | $filters[] = array( 'term' => array( $tax_fld => $term->slug ) ); |
| 1029 | } |
| 1030 | } |
| 1031 | } |
| 1032 | |
| 1033 | /** |
| 1034 | * Filter the Post Types where we search Related Posts. |
| 1035 | * |
| 1036 | * @module related-posts |
| 1037 | * |
| 1038 | * @since 2.8.0 |
| 1039 | * |
| 1040 | * @param array $args['post_type'] Array of Post Types. |
| 1041 | * @param string $post_id Post ID of the post for which we are retrieving Related Posts. |
| 1042 | */ |
| 1043 | $args['post_type'] = apply_filters( 'jetpack_relatedposts_filter_post_type', $args['post_type'], $post_id ); |
| 1044 | $valid_post_types = get_post_types(); |
| 1045 | if ( is_array( $args['post_type'] ) ) { |
| 1046 | $sanitized_post_types = array(); |
| 1047 | foreach ( $args['post_type'] as $pt ) { |
| 1048 | if ( in_array( $pt, $valid_post_types, true ) ) { |
| 1049 | $sanitized_post_types[] = $pt; |
| 1050 | } |
| 1051 | } |
| 1052 | if ( ! empty( $sanitized_post_types ) ) { |
| 1053 | $filters[] = array( 'terms' => array( 'post_type' => $sanitized_post_types ) ); |
| 1054 | } |
| 1055 | } elseif ( in_array( $args['post_type'], $valid_post_types, true ) && 'all' !== $args['post_type'] ) { |
| 1056 | $filters[] = array( 'term' => array( 'post_type' => $args['post_type'] ) ); |
| 1057 | } |
| 1058 | |
| 1059 | /** |
| 1060 | * Filter the Post Formats where we search Related Posts. |
| 1061 | * |
| 1062 | * @module related-posts |
| 1063 | * |
| 1064 | * @since 3.3.0 |
| 1065 | * |
| 1066 | * @param array $args['post_formats'] Array of Post Formats. |
| 1067 | * @param string $post_id Post ID of the post for which we are retrieving Related Posts. |
| 1068 | */ |
| 1069 | $args['post_formats'] = apply_filters( 'jetpack_relatedposts_filter_post_formats', $args['post_formats'], $post_id ); |
| 1070 | $valid_post_formats = get_post_format_strings(); |
| 1071 | $sanitized_post_formats = array(); |
| 1072 | foreach ( $args['post_formats'] as $pf ) { |
| 1073 | if ( array_key_exists( $pf, $valid_post_formats ) ) { |
| 1074 | $sanitized_post_formats[] = $pf; |
| 1075 | } |
| 1076 | } |
| 1077 | if ( ! empty( $sanitized_post_formats ) ) { |
| 1078 | $filters[] = array( 'terms' => array( 'post_format' => $sanitized_post_formats ) ); |
| 1079 | } |
| 1080 | |
| 1081 | /** |
| 1082 | * Filter the date range used to search Related Posts. |
| 1083 | * |
| 1084 | * @module related-posts |
| 1085 | * |
| 1086 | * @since 2.8.0 |
| 1087 | * |
| 1088 | * @param array $args['date_range'] Array of a month interval where we search Related Posts. |
| 1089 | * @param string $post_id Post ID of the post for which we are retrieving Related Posts. |
| 1090 | */ |
| 1091 | $args['date_range'] = apply_filters( 'jetpack_relatedposts_filter_date_range', $args['date_range'], $post_id ); |
| 1092 | if ( is_array( $args['date_range'] ) && ! empty( $args['date_range'] ) ) { |
| 1093 | $args['date_range'] = array_map( 'intval', $args['date_range'] ); |
| 1094 | if ( ! empty( $args['date_range']['from'] ) && ! empty( $args['date_range']['to'] ) ) { |
| 1095 | $filters[] = array( |
| 1096 | 'range' => array( |
| 1097 | 'date_gmt' => $this->get_coalesced_range( $args['date_range'] ), |
| 1098 | ), |
| 1099 | ); |
| 1100 | } |
| 1101 | } |
| 1102 | |
| 1103 | /** |
| 1104 | * Filter the Post IDs excluded from appearing in Related Posts. |
| 1105 | * |
| 1106 | * @module related-posts |
| 1107 | * |
| 1108 | * @since 2.9.0 |
| 1109 | * |
| 1110 | * @param array $args['exclude_post_ids'] Array of Post IDs. |
| 1111 | * @param string $post_id Post ID of the post for which we are retrieving Related Posts. |
| 1112 | */ |
| 1113 | $args['exclude_post_ids'] = apply_filters( 'jetpack_relatedposts_filter_exclude_post_ids', $args['exclude_post_ids'], $post_id ); |
| 1114 | if ( ! empty( $args['exclude_post_ids'] ) && is_array( $args['exclude_post_ids'] ) ) { |
| 1115 | $excluded_post_ids = array(); |
| 1116 | foreach ( $args['exclude_post_ids'] as $exclude_post_id ) { |
| 1117 | $exclude_post_id = (int) $exclude_post_id; |
| 1118 | if ( $exclude_post_id > 0 ) { |
| 1119 | $excluded_post_ids[] = $exclude_post_id; |
| 1120 | } |
| 1121 | } |
| 1122 | $filters[] = array( 'not' => array( 'terms' => array( 'post_id' => $excluded_post_ids ) ) ); |
| 1123 | } |
| 1124 | |
| 1125 | return $filters; |
| 1126 | } |
| 1127 | |
| 1128 | /** |
| 1129 | * Takes a range and coalesces it into a month interval bracketed by a time as determined by the blog_id to enhance caching. |
| 1130 | * |
| 1131 | * @todo Rewrite this function with proper date handling rather than `strtotime()` and `date()`. |
| 1132 | * |
| 1133 | * @param array $date_range - the date range. |
| 1134 | * @return array |
| 1135 | */ |
| 1136 | protected function get_coalesced_range( array $date_range ) { |
| 1137 | $now = time(); |
| 1138 | $coalesce_time = $this->get_blog_id() % 86400; |
| 1139 | $current_time = $now - strtotime( 'today', $now ); |
| 1140 | |
| 1141 | if ( $current_time < $coalesce_time && '01' === date( 'd', $now ) ) { // phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date |
| 1142 | // Move back 1 period. |
| 1143 | return array( |
| 1144 | 'from' => date( 'Y-m-01', strtotime( '-1 month', $date_range['from'] ) ) . ' ' . date( 'H:i:s', $coalesce_time ), //phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date |
| 1145 | 'to' => date( 'Y-m-01', $date_range['to'] ) . ' ' . date( 'H:i:s', $coalesce_time ), //phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date |
| 1146 | ); |
| 1147 | } else { |
| 1148 | // Use current period. |
| 1149 | return array( |
| 1150 | 'from' => date( 'Y-m-01', $date_range['from'] ) . ' ' . date( 'H:i:s', $coalesce_time ), //phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date |
| 1151 | 'to' => date( 'Y-m-01', strtotime( '+1 month', $date_range['to'] ) ) . ' ' . date( 'H:i:s', $coalesce_time ), //phpcs:ignore WordPress.DateTime.RestrictedFunctions.date_date |
| 1152 | ); |
| 1153 | } |
| 1154 | } |
| 1155 | |
| 1156 | /** |
| 1157 | * Generate and output ajax response for related posts API call. |
| 1158 | * NOTE: Calls exit() to end all further processing after payload has been outputed. |
| 1159 | * |
| 1160 | * @param array $excludes array of post_ids to exclude. |
| 1161 | * @uses send_nosniff_header, self::get_for_post_id, get_the_ID |
| 1162 | */ |
| 1163 | protected function action_frontend_init_ajax( array $excludes ) { |
| 1164 | define( 'DOING_AJAX', true ); |
| 1165 | |
| 1166 | header( 'Content-type: application/json; charset=utf-8' ); // JSON can only be UTF-8. |
| 1167 | send_nosniff_header(); |
| 1168 | |
| 1169 | $options = $this->get_options(); |
| 1170 | |
| 1171 | if ( isset( $_GET['jetpackrpcustomize'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended -- adds dummy content if we're in the customizer. |
| 1172 | |
| 1173 | // If we're in the customizer, add dummy content. |
| 1174 | $date_now = current_time( get_option( 'date_format' ) ); |
| 1175 | $related_posts = array( |
| 1176 | array( |
| 1177 | 'id' => - 1, |
| 1178 | 'url' => 'https://jetpackme.files.wordpress.com/2019/03/cat-blog.png', |
| 1179 | 'url_meta' => array( |
| 1180 | 'origin' => 0, |
| 1181 | 'position' => 0, |
| 1182 | ), |
| 1183 | 'title' => esc_html__( 'Big iPhone/iPad Update Now Available', 'jetpack' ), |
| 1184 | 'date' => $date_now, |
| 1185 | 'format' => false, |
| 1186 | 'excerpt' => esc_html__( 'It is that time of the year when devices are shiny again.', 'jetpack' ), |
| 1187 | 'rel' => 'nofollow', |
| 1188 | 'context' => esc_html__( 'In "Mobile"', 'jetpack' ), |
| 1189 | 'img' => array( |
| 1190 | 'src' => 'https://jetpackme.files.wordpress.com/2019/03/cat-blog.png', |
| 1191 | 'width' => 350, |
| 1192 | 'height' => 200, |
| 1193 | ), |
| 1194 | 'classes' => array(), |
| 1195 | ), |
| 1196 | array( |
| 1197 | 'id' => - 1, |
| 1198 | 'url' => 'https://jetpackme.files.wordpress.com/2019/03/devices.jpg', |
| 1199 | 'url_meta' => array( |
| 1200 | 'origin' => 0, |
| 1201 | 'position' => 0, |
| 1202 | ), |
| 1203 | 'title' => esc_html__( 'The WordPress for Android App Gets a Big Facelift', 'jetpack' ), |
| 1204 | 'date' => $date_now, |
| 1205 | 'format' => false, |
| 1206 | 'excerpt' => esc_html__( 'Writing is new again in Android with the new WordPress app.', 'jetpack' ), |
| 1207 | 'rel' => 'nofollow', |
| 1208 | 'context' => esc_html__( 'In "Mobile"', 'jetpack' ), |
| 1209 | 'img' => array( |
| 1210 | 'src' => 'https://jetpackme.files.wordpress.com/2019/03/devices.jpg', |
| 1211 | 'width' => 350, |
| 1212 | 'height' => 200, |
| 1213 | ), |
| 1214 | 'classes' => array(), |
| 1215 | ), |
| 1216 | array( |
| 1217 | 'id' => - 1, |
| 1218 | 'url' => 'https://jetpackme.files.wordpress.com/2019/03/mobile-wedding.jpg', |
| 1219 | 'url_meta' => array( |
| 1220 | 'origin' => 0, |
| 1221 | 'position' => 0, |
| 1222 | ), |
| 1223 | 'title' => esc_html__( 'Upgrade Focus, VideoPress for weddings', 'jetpack' ), |
| 1224 | 'date' => $date_now, |
| 1225 | 'format' => false, |
| 1226 | 'excerpt' => esc_html__( 'Weddings are in the spotlight now with VideoPress for weddings.', 'jetpack' ), |
| 1227 | 'rel' => 'nofollow', |
| 1228 | 'context' => esc_html__( 'In "Mobile"', 'jetpack' ), |
| 1229 | 'img' => array( |
| 1230 | 'src' => 'https://jetpackme.files.wordpress.com/2019/03/mobile-wedding.jpg', |
| 1231 | 'width' => 350, |
| 1232 | 'height' => 200, |
| 1233 | ), |
| 1234 | 'classes' => array(), |
| 1235 | ), |
| 1236 | ); |
| 1237 | |
| 1238 | for ( $total = 0; $total < $options['size'] - 3; $total++ ) { |
| 1239 | $related_posts[] = $related_posts[ $total ]; |
| 1240 | } |
| 1241 | |
| 1242 | $current_post = get_post(); |
| 1243 | |
| 1244 | // Exclude current post after filtering to make sure it's excluded and not lost during filtering. |
| 1245 | $excluded_posts = array_merge( |
| 1246 | /** This filter is already documented in modules/related-posts/jetpack-related-posts.php */ |
| 1247 | apply_filters( 'jetpack_relatedposts_filter_exclude_post_ids', array() ), |
| 1248 | array( $current_post->ID ) |
| 1249 | ); |
| 1250 | |
| 1251 | // Fetch posts with featured image. |
| 1252 | $with_post_thumbnails = get_posts( |
| 1253 | array( |
| 1254 | 'posts_per_page' => $options['size'], |
| 1255 | 'post__not_in' => $excluded_posts, |
| 1256 | 'post_type' => $current_post->post_type, |
| 1257 | 'meta_key' => '_thumbnail_id', |
| 1258 | 'suppress_filters' => false, |
| 1259 | ) |
| 1260 | ); |
| 1261 | |
| 1262 | // If we don't have enough, fetch posts without featured image. |
| 1263 | $count_post_with_thumbnails = is_countable( $with_post_thumbnails ) ? count( $with_post_thumbnails ) : 0; |
| 1264 | $more = $options['size'] - $count_post_with_thumbnails; |
| 1265 | if ( 0 < $more ) { |
| 1266 | $no_post_thumbnails = get_posts( |
| 1267 | array( |
| 1268 | 'posts_per_page' => $more, |
| 1269 | 'post__not_in' => $excluded_posts, |
| 1270 | 'post_type' => $current_post->post_type, |
| 1271 | 'meta_query' => array( |
| 1272 | array( |
| 1273 | 'key' => '_thumbnail_id', |
| 1274 | 'compare' => 'NOT EXISTS', |
| 1275 | ), |
| 1276 | ), |
| 1277 | 'suppress_filters' => false, |
| 1278 | ) |
| 1279 | ); |
| 1280 | } else { |
| 1281 | $no_post_thumbnails = array(); |
| 1282 | } |
| 1283 | |
| 1284 | foreach ( array_merge( $with_post_thumbnails, $no_post_thumbnails ) as $index => $real_post ) { |
| 1285 | $related_posts[ $index ]['id'] = $real_post->ID; |
| 1286 | $related_posts[ $index ]['url'] = esc_url( get_permalink( $real_post ) ); |
| 1287 | $related_posts[ $index ]['title'] = $this->to_utf8( $this->get_title( $real_post->post_title, $real_post->post_content, $real_post->ID ) ); |
| 1288 | $related_posts[ $index ]['date'] = get_the_date( '', $real_post ); |
| 1289 | $related_posts[ $index ]['excerpt'] = html_entity_decode( $this->to_utf8( $this->get_excerpt( $real_post->post_excerpt, $real_post->post_content ) ), ENT_QUOTES, 'UTF-8' ); |
| 1290 | $related_posts[ $index ]['img'] = $this->generate_related_post_image_params( $real_post->ID ); |
| 1291 | $related_posts[ $index ]['context'] = $this->generate_related_post_context( $real_post->ID ); |
| 1292 | } |
| 1293 | } else { |
| 1294 | $related_posts = $this->get_for_post_id( |
| 1295 | get_the_ID(), |
| 1296 | array( |
| 1297 | 'exclude_post_ids' => $excludes, |
| 1298 | ) |
| 1299 | ); |
| 1300 | } |
| 1301 | |
| 1302 | $response = array( |
| 1303 | 'version' => self::VERSION, |
| 1304 | 'show_thumbnails' => (bool) $options['show_thumbnails'], |
| 1305 | 'show_date' => (bool) $options['show_date'], |
| 1306 | 'show_context' => (bool) $options['show_context'], |
| 1307 | 'layout' => (string) $options['layout'], |
| 1308 | 'headline' => (string) $options['headline'], |
| 1309 | 'items' => array(), |
| 1310 | ); |
| 1311 | |
| 1312 | if ( count( $related_posts ) === $options['size'] ) { |
| 1313 | $response['items'] = $related_posts; |
| 1314 | } |
| 1315 | |
| 1316 | echo wp_json_encode( $response ); |
| 1317 | |
| 1318 | exit(); |
| 1319 | } |
| 1320 | |
| 1321 | /** |
| 1322 | * Returns a UTF-8 encoded array of post information for the given post_id |
| 1323 | * |
| 1324 | * @param int $post_id - the post ID. |
| 1325 | * @param int $position - position of the post. |
| 1326 | * @param int $origin - The post id that this is related to. |
| 1327 | * @uses get_post, get_permalink, remove_query_arg, get_post_format, apply_filters |
| 1328 | * @return array |
| 1329 | */ |
| 1330 | public function get_related_post_data_for_post( $post_id, $position, $origin ) { |
| 1331 | $post = get_post( $post_id ); |
| 1332 | return array( |
| 1333 | 'id' => $post->ID, |
| 1334 | 'url' => get_permalink( $post->ID ), |
| 1335 | 'url_meta' => array( |
| 1336 | 'origin' => $origin, |
| 1337 | 'position' => $position, |
| 1338 | ), |
| 1339 | 'title' => $this->to_utf8( $this->get_title( $post->post_title, $post->post_content, $post->ID ) ), |
| 1340 | 'author' => $this->generate_related_post_display_author( $post->ID ), |
| 1341 | 'date' => get_the_date( '', $post->ID ), |
| 1342 | 'format' => get_post_format( $post->ID ), |
| 1343 | 'excerpt' => html_entity_decode( $this->to_utf8( $this->get_excerpt( $post->post_excerpt, $post->post_content ) ), ENT_QUOTES, 'UTF-8' ), |
| 1344 | /** |
| 1345 | * Filters the rel attribute for the Related Posts' links. |
| 1346 | * |
| 1347 | * @module related-posts |
| 1348 | * |
| 1349 | * @since 3.7.0 |
| 1350 | * @since 7.9.0 - Change Default value to empty. |
| 1351 | * |
| 1352 | * @param string $link_rel Link rel attribute for Related Posts' link. Default is empty. |
| 1353 | * @param int $post->ID Post ID. |
| 1354 | */ |
| 1355 | 'rel' => apply_filters( 'jetpack_relatedposts_filter_post_link_rel', '', $post->ID ), |
| 1356 | /** |
| 1357 | * Filter the context displayed below each Related Post. |
| 1358 | * |
| 1359 | * This context is used when rendering the legacy 'widget' version of Related Posts. |
| 1360 | * It is not used when rendering the block-based version. See 'block_context' below for that. |
| 1361 | * |
| 1362 | * @module related-posts |
| 1363 | * |
| 1364 | * @since 3.0.0 |
| 1365 | * |
| 1366 | * @param string $this->to_utf8( $this->generate_related_post_context( $post->ID ) ) Context displayed below each related post. |
| 1367 | * @param int $post_id Post ID of the post for which we are retrieving Related Posts. |
| 1368 | */ |
| 1369 | 'context' => apply_filters( |
| 1370 | 'jetpack_relatedposts_filter_post_context', |
| 1371 | $this->to_utf8( $this->generate_related_post_context( $post->ID ) ), |
| 1372 | $post->ID |
| 1373 | ), |
| 1374 | // The context used when rendering as a Block. No filtering applied. |
| 1375 | 'block_context' => $this->generate_related_post_context_block( $post->ID ), |
| 1376 | 'img' => $this->generate_related_post_image_params( $post->ID ), |
| 1377 | /** |
| 1378 | * Filter the post css classes added on HTML markup. |
| 1379 | * |
| 1380 | * @module related-posts |
| 1381 | * |
| 1382 | * @since 3.8.0 |
| 1383 | * |
| 1384 | * @param array array() CSS classes added on post HTML markup. |
| 1385 | * @param string $post_id Post ID. |
| 1386 | */ |
| 1387 | 'classes' => apply_filters( |
| 1388 | 'jetpack_relatedposts_filter_post_css_classes', |
| 1389 | array(), |
| 1390 | $post->ID |
| 1391 | ), |
| 1392 | ); |
| 1393 | } |
| 1394 | |
| 1395 | /** |
| 1396 | * Returns either the title or a small excerpt to use as title for post. |
| 1397 | * |
| 1398 | * @uses strip_shortcodes, wp_trim_words, __, apply_filters |
| 1399 | * |
| 1400 | * @param string $post_title Post title. |
| 1401 | * @param string $post_content Post content. |
| 1402 | * @param int $post_id Post ID. |
| 1403 | * |
| 1404 | * @return string |
| 1405 | */ |
| 1406 | protected function get_title( $post_title, $post_content, $post_id ) { |
| 1407 | if ( ! empty( $post_title ) ) { |
| 1408 | return wp_strip_all_tags( |
| 1409 | /** This filter is documented in core/src/wp-includes/post-template.php */ |
| 1410 | apply_filters( 'the_title', $post_title, $post_id ) |
| 1411 | ); |
| 1412 | } |
| 1413 | |
| 1414 | $post_title = wp_trim_words( wp_strip_all_tags( strip_shortcodes( $post_content ) ), 5, '…' ); |
| 1415 | if ( ! empty( $post_title ) ) { |
| 1416 | return $post_title; |
| 1417 | } |
| 1418 | |
| 1419 | return __( 'Untitled Post', 'jetpack' ); |
| 1420 | } |
| 1421 | |
| 1422 | /** |
| 1423 | * Returns a plain text post excerpt for title attribute of links. |
| 1424 | * |
| 1425 | * @param string $post_excerpt - the post excerpt. |
| 1426 | * @param string $post_content - the post content. |
| 1427 | * @uses strip_shortcodes, wp_strip_all_tags, wp_trim_words |
| 1428 | * @return string |
| 1429 | */ |
| 1430 | protected function get_excerpt( $post_excerpt, $post_content ) { |
| 1431 | if ( empty( $post_excerpt ) ) { |
| 1432 | $excerpt = $post_content; |
| 1433 | } else { |
| 1434 | $excerpt = $post_excerpt; |
| 1435 | } |
| 1436 | |
| 1437 | return wp_trim_words( wp_strip_all_tags( strip_shortcodes( $excerpt ) ), 50, '…' ); |
| 1438 | } |
| 1439 | |
| 1440 | /** |
| 1441 | * Generates the thumbnail image to be used for the post. Uses the |
| 1442 | * image as returned by Jetpack_PostImages::get_image() |
| 1443 | * |
| 1444 | * @param int $post_id - the post ID. |
| 1445 | * @uses self::get_options, apply_filters, Jetpack_PostImages::get_image, Jetpack_PostImages::fit_image_url |
| 1446 | * @return string |
| 1447 | */ |
| 1448 | protected function generate_related_post_image_params( $post_id ) { |
| 1449 | $image_params = array( |
| 1450 | 'alt_text' => '', |
| 1451 | 'src' => '', |
| 1452 | 'width' => 0, |
| 1453 | 'height' => 0, |
| 1454 | ); |
| 1455 | |
| 1456 | /** |
| 1457 | * Filter the size of the Related Posts images. |
| 1458 | * |
| 1459 | * @module related-posts |
| 1460 | * |
| 1461 | * @since 2.8.0 |
| 1462 | * |
| 1463 | * @param array array( 'width' => 350, 'height' => 200 ) Size of the images displayed below each Related Post. |
| 1464 | */ |
| 1465 | $thumbnail_size = apply_filters( |
| 1466 | 'jetpack_relatedposts_filter_thumbnail_size', |
| 1467 | array( |
| 1468 | 'width' => 350, |
| 1469 | 'height' => 200, |
| 1470 | ) |
| 1471 | ); |
| 1472 | if ( ! is_array( $thumbnail_size ) ) { |
| 1473 | $thumbnail_size = array( |
| 1474 | 'width' => (int) $thumbnail_size, |
| 1475 | 'height' => (int) $thumbnail_size, |
| 1476 | ); |
| 1477 | } |
| 1478 | |
| 1479 | // Try to get post image. |
| 1480 | if ( class_exists( 'Jetpack_PostImages' ) ) { |
| 1481 | $img_url = ''; |
| 1482 | $post_image = Jetpack_PostImages::get_image( |
| 1483 | $post_id, |
| 1484 | $thumbnail_size |
| 1485 | ); |
| 1486 | |
| 1487 | if ( is_array( $post_image ) ) { |
| 1488 | $img_url = $post_image['src']; |
| 1489 | } elseif ( class_exists( 'Jetpack_Media_Summary' ) ) { |
| 1490 | $media = Jetpack_Media_Summary::get( $post_id ); |
| 1491 | |
| 1492 | if ( is_array( $media ) && ! empty( $media['image'] ) ) { |
| 1493 | $img_url = $media['image']; |
| 1494 | } |
| 1495 | } |
| 1496 | |
| 1497 | if ( ! empty( $img_url ) ) { |
| 1498 | if ( ! empty( $post_image['alt_text'] ) ) { |
| 1499 | $image_params['alt_text'] = $post_image['alt_text']; |
| 1500 | } else { |
| 1501 | $image_params['alt_text'] = ''; |
| 1502 | } |
| 1503 | |
| 1504 | $thumbnail_width = 0; |
| 1505 | $thumbnail_height = 0; |
| 1506 | |
| 1507 | if ( ! empty( $thumbnail_size['width'] ) ) { |
| 1508 | $thumbnail_width = $thumbnail_size['width']; |
| 1509 | $image_params['width'] = $thumbnail_width; |
| 1510 | } |
| 1511 | |
| 1512 | if ( ! empty( $thumbnail_size['height'] ) ) { |
| 1513 | $thumbnail_height = $thumbnail_size['height']; |
| 1514 | $image_params['height'] = $thumbnail_height; |
| 1515 | } |
| 1516 | |
| 1517 | $image_params['src'] = Jetpack_PostImages::fit_image_url( |
| 1518 | $img_url, |
| 1519 | $thumbnail_width, |
| 1520 | $thumbnail_height |
| 1521 | ); |
| 1522 | |
| 1523 | // Add a srcset to handle zoomed views and high-density screens. |
| 1524 | $srcset = Jetpack_PostImages::generate_cropped_srcset( |
| 1525 | $post_image, |
| 1526 | $thumbnail_width, |
| 1527 | $thumbnail_height |
| 1528 | ); |
| 1529 | if ( ! empty( $srcset ) ) { |
| 1530 | $image_params['srcset'] = $srcset; |
| 1531 | } |
| 1532 | } |
| 1533 | } |
| 1534 | |
| 1535 | return $image_params; |
| 1536 | } |
| 1537 | |
| 1538 | /** |
| 1539 | * Returns the string UTF-8 encoded |
| 1540 | * |
| 1541 | * @param string $text - the text we want to convert. |
| 1542 | * @return string |
| 1543 | */ |
| 1544 | protected function to_utf8( $text ) { |
| 1545 | if ( $this->convert_charset ) { |
| 1546 | return iconv( $this->blog_charset, 'UTF-8', $text ); |
| 1547 | } else { |
| 1548 | return $text; |
| 1549 | } |
| 1550 | } |
| 1551 | |
| 1552 | /** |
| 1553 | * ============================================= |
| 1554 | * PROTECTED UTILITY FUNCTIONS EXTENDED BY WPCOM |
| 1555 | * ============================================= |
| 1556 | */ |
| 1557 | |
| 1558 | /** |
| 1559 | * Workhorse method to return array of related posts matched by Elasticsearch. |
| 1560 | * |
| 1561 | * @param int $post_id - the ID of the post. |
| 1562 | * @param int $size - the size of the post. |
| 1563 | * @param array $filters - filters. |
| 1564 | * @uses wp_remote_post, is_wp_error, get_option, wp_remote_retrieve_body, get_post, add_query_arg, remove_query_arg, get_permalink, get_post_format, apply_filters |
| 1565 | * @return array |
| 1566 | */ |
| 1567 | protected function get_related_posts( $post_id, $size, array $filters ) { |
| 1568 | $hits = $this->filter_non_public_posts( |
| 1569 | $this->get_related_post_ids( |
| 1570 | $post_id, |
| 1571 | $size, |
| 1572 | $filters |
| 1573 | ) |
| 1574 | ); |
| 1575 | |
| 1576 | /** |
| 1577 | * Filter the Related Posts matched by Elasticsearch. |
| 1578 | * |
| 1579 | * @module related-posts |
| 1580 | * |
| 1581 | * @since 2.9.0 |
| 1582 | * |
| 1583 | * @param array $hits Array of Post IDs matched by Elasticsearch. |
| 1584 | * @param string $post_id Post ID of the post for which we are retrieving Related Posts. |
| 1585 | */ |
| 1586 | $hits = apply_filters( 'jetpack_relatedposts_filter_hits', $hits, $post_id ); |
| 1587 | |
| 1588 | $related_posts = array(); |
| 1589 | foreach ( $hits as $i => $hit ) { |
| 1590 | $related_posts[] = $this->get_related_post_data_for_post( $hit['id'], $i, $post_id ); |
| 1591 | } |
| 1592 | return $related_posts; |
| 1593 | } |
| 1594 | |
| 1595 | /** |
| 1596 | * Get array of related posts matched by Elasticsearch. |
| 1597 | * |
| 1598 | * @param int $post_id - the post ID. |
| 1599 | * @param int $size - the size. |
| 1600 | * @param array $filters - some filters. |
| 1601 | * @uses wp_remote_post, is_wp_error, wp_remote_retrieve_body, get_post_meta, update_post_meta |
| 1602 | * @return array |
| 1603 | */ |
| 1604 | protected function get_related_post_ids( $post_id, $size, array $filters ) { |
| 1605 | $transient_name = null; |
| 1606 | $now_ts = time(); |
| 1607 | $cache_meta_key = '_jetpack_related_posts_cache'; |
| 1608 | |
| 1609 | $body = array( |
| 1610 | 'size' => (int) $size, |
| 1611 | ); |
| 1612 | |
| 1613 | if ( ! empty( $filters ) ) { |
| 1614 | $body['filter'] = array( 'and' => $filters ); |
| 1615 | } |
| 1616 | |
| 1617 | // Build cache key. |
| 1618 | $cache_key = md5( serialize( $body ) ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize -- this is used for caching. |
| 1619 | |
| 1620 | // Load all cached values. |
| 1621 | if ( wp_using_ext_object_cache() ) { |
| 1622 | $transient_name = "{$cache_meta_key}_{$cache_key}_{$post_id}"; |
| 1623 | $cache = get_transient( $transient_name ); |
| 1624 | if ( false !== $cache ) { |
| 1625 | return $cache; |
| 1626 | } |
| 1627 | } else { |
| 1628 | $cache = get_post_meta( $post_id, $cache_meta_key, true ); |
| 1629 | |
| 1630 | if ( empty( $cache ) ) { |
| 1631 | $cache = array(); |
| 1632 | } |
| 1633 | |
| 1634 | // Cache is valid! Return cached value. |
| 1635 | if ( isset( $cache[ $cache_key ] ) && is_array( $cache[ $cache_key ] ) && $cache[ $cache_key ]['expires'] > $now_ts ) { |
| 1636 | return $cache[ $cache_key ]['payload']; |
| 1637 | } |
| 1638 | } |
| 1639 | |
| 1640 | $user_agent = ''; |
| 1641 | if ( isset( $_SERVER['HTTP_USER_AGENT'] ) ) { |
| 1642 | $user_agent = strtolower( filter_var( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) ) ); |
| 1643 | } |
| 1644 | |
| 1645 | $response = wp_remote_post( |
| 1646 | "https://public-api.wordpress.com/rest/v1/sites/{$this->get_blog_id()}/posts/$post_id/related/", |
| 1647 | array( |
| 1648 | 'timeout' => 10, |
| 1649 | 'user-agent' => "jetpack_related_posts, $user_agent", |
| 1650 | 'sslverify' => true, |
| 1651 | 'body' => $body, |
| 1652 | ) |
| 1653 | ); |
| 1654 | |
| 1655 | // Oh no... return nothing don't cache errors. Also, don't cache HTTP 409 conflict responses. |
| 1656 | if ( is_wp_error( $response ) || WP_Http::CONFLICT === wp_remote_retrieve_response_code( $response ) ) { |
| 1657 | if ( isset( $cache[ $cache_key ] ) && is_array( $cache[ $cache_key ] ) ) { |
| 1658 | return $cache[ $cache_key ]['payload']; // return stale. |
| 1659 | } else { |
| 1660 | return array(); |
| 1661 | } |
| 1662 | } |
| 1663 | |
| 1664 | $results = json_decode( wp_remote_retrieve_body( $response ), true ); |
| 1665 | $related_posts = array(); |
| 1666 | if ( is_array( $results ) && ! empty( $results['hits'] ) ) { |
| 1667 | foreach ( $results['hits'] as $hit ) { |
| 1668 | $related_posts[] = array( |
| 1669 | 'id' => $hit['fields']['post_id'], |
| 1670 | ); |
| 1671 | } |
| 1672 | } |
| 1673 | |
| 1674 | // An empty array might indicate no related posts or that posts |
| 1675 | // are not yet synced to WordPress.com, so we cache for only 1 |
| 1676 | // minute in this case. |
| 1677 | if ( empty( $related_posts ) ) { |
| 1678 | $cache_ttl = 60; |
| 1679 | } else { |
| 1680 | $cache_ttl = 12 * HOUR_IN_SECONDS; |
| 1681 | } |
| 1682 | |
| 1683 | // Update cache. |
| 1684 | if ( wp_using_ext_object_cache() ) { |
| 1685 | set_transient( $transient_name, $related_posts, $cache_ttl ); |
| 1686 | } else { |
| 1687 | // Copy all valid cache values. |
| 1688 | $new_cache = array(); |
| 1689 | foreach ( $cache as $k => $v ) { |
| 1690 | if ( is_array( $v ) && $v['expires'] > $now_ts ) { |
| 1691 | $new_cache[ $k ] = $v; |
| 1692 | } |
| 1693 | } |
| 1694 | |
| 1695 | // Set new cache value. |
| 1696 | $cache_expires = $cache_ttl + $now_ts; |
| 1697 | $new_cache[ $cache_key ] = array( |
| 1698 | 'expires' => $cache_expires, |
| 1699 | 'payload' => $related_posts, |
| 1700 | ); |
| 1701 | update_post_meta( $post_id, $cache_meta_key, $new_cache ); |
| 1702 | } |
| 1703 | |
| 1704 | return $related_posts; |
| 1705 | } |
| 1706 | |
| 1707 | /** |
| 1708 | * Filter out any hits that are not public anymore. |
| 1709 | * |
| 1710 | * @param array $related_posts - the related posts. |
| 1711 | * @uses get_post_stati, get_post_status |
| 1712 | * @return array |
| 1713 | */ |
| 1714 | protected function filter_non_public_posts( array $related_posts ) { |
| 1715 | $public_stati = get_post_stati( array( 'public' => true ) ); |
| 1716 | |
| 1717 | $filtered = array(); |
| 1718 | foreach ( $related_posts as $hit ) { |
| 1719 | if ( in_array( get_post_status( $hit['id'] ), $public_stati, true ) ) { |
| 1720 | $filtered[] = $hit; |
| 1721 | } |
| 1722 | } |
| 1723 | return $filtered; |
| 1724 | } |
| 1725 | |
| 1726 | /** |
| 1727 | * Generates the author byline for the related post. |
| 1728 | * |
| 1729 | * @param int $post_id - the post ID. |
| 1730 | * @uses get_post_field, get_the_author_meta |
| 1731 | * @return string |
| 1732 | */ |
| 1733 | protected function generate_related_post_display_author( $post_id ) { |
| 1734 | $post_author = get_post_field( 'post_author', $post_id ); |
| 1735 | $author_display_name = get_the_author_meta( 'display_name', $post_author ); |
| 1736 | if ( ! empty( $author_display_name ) ) { |
| 1737 | return $author_display_name; |
| 1738 | } |
| 1739 | return ''; |
| 1740 | } |
| 1741 | |
| 1742 | /** |
| 1743 | * Generates a context for the related content (second line in related post output). |
| 1744 | * Order of importance: |
| 1745 | * - First category (Not 'Uncategorized') |
| 1746 | * - First post tag |
| 1747 | * - Number of comments |
| 1748 | * |
| 1749 | * @param int $post_id - the post ID. |
| 1750 | * @uses get_the_category, get_the_terms, get_comments_number, number_format_i18n, __, _n |
| 1751 | * @return string |
| 1752 | */ |
| 1753 | protected function generate_related_post_context_block( $post_id ) { |
| 1754 | $categories = get_the_category( $post_id ); |
| 1755 | if ( is_array( $categories ) ) { |
| 1756 | foreach ( $categories as $category ) { |
| 1757 | $cat_link = get_category_link( $category ); |
| 1758 | if ( 'uncategorized' !== $category->slug && '' !== trim( $category->name ) ) { |
| 1759 | return array( |
| 1760 | 'text' => trim( $category->name ), |
| 1761 | 'link' => $cat_link, |
| 1762 | ); |
| 1763 | } |
| 1764 | } |
| 1765 | } |
| 1766 | $tags = get_the_terms( $post_id, 'post_tag' ); |
| 1767 | if ( is_array( $tags ) ) { |
| 1768 | foreach ( $tags as $tag ) { |
| 1769 | $tag_link = get_tag_link( $tag ); |
| 1770 | if ( '' !== trim( $tag->name ) ) { |
| 1771 | return array( |
| 1772 | 'text' => trim( $tag->name ), |
| 1773 | 'link' => $tag_link, |
| 1774 | ); |
| 1775 | } |
| 1776 | } |
| 1777 | } |
| 1778 | $comment_count = get_comments_number( $post_id ); |
| 1779 | if ( $comment_count > 0 ) { |
| 1780 | $comments_string = sprintf( |
| 1781 | // Translators: amount of comments. |
| 1782 | _n( 'With %s comment', 'With %s comments', $comment_count, 'jetpack' ), |
| 1783 | number_format_i18n( $comment_count ) |
| 1784 | ); |
| 1785 | $comments_link = get_comments_link( $post_id ); |
| 1786 | return array( |
| 1787 | 'text' => $comments_string, |
| 1788 | 'link' => $comments_link, |
| 1789 | ); |
| 1790 | } |
| 1791 | $fallback_string = __( 'Similar post', 'jetpack' ); |
| 1792 | return array( |
| 1793 | 'text' => $fallback_string, |
| 1794 | 'link' => '', |
| 1795 | ); |
| 1796 | } |
| 1797 | |
| 1798 | /** |
| 1799 | * Generates a context for the related content (second line in related post output). |
| 1800 | * Order of importance: |
| 1801 | * - First category (Not 'Uncategorized') |
| 1802 | * - First post tag |
| 1803 | * - Number of comments |
| 1804 | * |
| 1805 | * @param int $post_id - the post ID. |
| 1806 | * @uses get_the_category, get_the_terms, get_comments_number, number_format_i18n, __, _n |
| 1807 | * @return string |
| 1808 | */ |
| 1809 | protected function generate_related_post_context( $post_id ) { |
| 1810 | $categories = get_the_category( $post_id ); |
| 1811 | if ( is_array( $categories ) ) { |
| 1812 | foreach ( $categories as $category ) { |
| 1813 | if ( 'uncategorized' !== $category->slug && '' !== trim( $category->name ) ) { |
| 1814 | $post_cat_context = sprintf( |
| 1815 | // Translators: The category or tag name. |
| 1816 | esc_html_x( 'In "%s"', 'in {category/tag name}', 'jetpack' ), |
| 1817 | $category->name |
| 1818 | ); |
| 1819 | /** |
| 1820 | * Filter the "In Category" line displayed in the post context below each Related Post. |
| 1821 | * |
| 1822 | * @module related-posts |
| 1823 | * |
| 1824 | * @since 3.2.0 |
| 1825 | * |
| 1826 | * @param string $post_cat_context "In Category" line displayed in the post context below each Related Post. |
| 1827 | * @param array $category Array containing information about the category. |
| 1828 | */ |
| 1829 | return apply_filters( 'jetpack_relatedposts_post_category_context', $post_cat_context, $category ); |
| 1830 | } |
| 1831 | } |
| 1832 | } |
| 1833 | |
| 1834 | $tags = get_the_terms( $post_id, 'post_tag' ); |
| 1835 | if ( is_array( $tags ) ) { |
| 1836 | foreach ( $tags as $tag ) { |
| 1837 | if ( '' !== trim( $tag->name ) ) { |
| 1838 | $post_tag_context = sprintf( |
| 1839 | // Translators: the category or tag name. |
| 1840 | _x( 'In "%s"', 'in {category/tag name}', 'jetpack' ), |
| 1841 | $tag->name |
| 1842 | ); |
| 1843 | /** |
| 1844 | * Filter the "In Tag" line displayed in the post context below each Related Post. |
| 1845 | * |
| 1846 | * @module related-posts |
| 1847 | * |
| 1848 | * @since 3.2.0 |
| 1849 | * |
| 1850 | * @param string $post_tag_context "In Tag" line displayed in the post context below each Related Post. |
| 1851 | * @param array $tag Array containing information about the tag. |
| 1852 | */ |
| 1853 | return apply_filters( 'jetpack_relatedposts_post_tag_context', $post_tag_context, $tag ); |
| 1854 | } |
| 1855 | } |
| 1856 | } |
| 1857 | |
| 1858 | $comment_count = get_comments_number( $post_id ); |
| 1859 | if ( $comment_count > 0 ) { |
| 1860 | return sprintf( |
| 1861 | // Translators: amount of comments. |
| 1862 | _n( 'With %s comment', 'With %s comments', $comment_count, 'jetpack' ), |
| 1863 | number_format_i18n( $comment_count ) |
| 1864 | ); |
| 1865 | } |
| 1866 | |
| 1867 | return __( 'Similar post', 'jetpack' ); |
| 1868 | } |
| 1869 | |
| 1870 | /** |
| 1871 | * Logs clicks for clickthrough analysis and related result tuning. |
| 1872 | * |
| 1873 | * @param int $post_id - the post ID. |
| 1874 | * @param int $to_post_id - the to post ID. |
| 1875 | * @param int $link_position - the link position. |
| 1876 | */ |
| 1877 | protected function log_click( $post_id, $to_post_id, $link_position ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 1878 | } |
| 1879 | |
| 1880 | /** |
| 1881 | * Determines if the current post is able to use related posts. |
| 1882 | * |
| 1883 | * @uses self::get_options, is_admin, is_single, apply_filters |
| 1884 | * @return bool |
| 1885 | */ |
| 1886 | protected function enabled_for_request() { |
| 1887 | $enabled = is_single() |
| 1888 | && ! is_attachment() |
| 1889 | && ! is_admin() |
| 1890 | && ! is_embed() |
| 1891 | && ( ! $this->allow_feature_toggle() || $this->get_option( 'enabled' ) ); |
| 1892 | |
| 1893 | /** |
| 1894 | * Filter the Enabled value to allow related posts to be shown on pages as well. |
| 1895 | * |
| 1896 | * @module related-posts |
| 1897 | * |
| 1898 | * @since 3.3.0 |
| 1899 | * |
| 1900 | * @param bool $enabled Should Related Posts be enabled on the current page. |
| 1901 | */ |
| 1902 | return apply_filters( 'jetpack_relatedposts_filter_enabled_for_request', $enabled ); |
| 1903 | } |
| 1904 | |
| 1905 | /** |
| 1906 | * Adds filters. |
| 1907 | * |
| 1908 | * @uses self::enqueue_assets, self::setup_shortcode, add_filter |
| 1909 | */ |
| 1910 | protected function action_frontend_init_page() { |
| 1911 | $this->enqueue_assets( true, true ); |
| 1912 | $this->setup_shortcode(); |
| 1913 | |
| 1914 | add_filter( 'the_content', array( $this, 'filter_add_target_to_dom' ), 40 ); |
| 1915 | } |
| 1916 | |
| 1917 | /** |
| 1918 | * Determines if the scripts need be enqueued. |
| 1919 | * |
| 1920 | * @return bool |
| 1921 | */ |
| 1922 | protected function requires_scripts() { |
| 1923 | return ( |
| 1924 | ! ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) && |
| 1925 | ! has_block( 'jetpack/related-posts' ) && |
| 1926 | ! Blocks::is_fse_theme() |
| 1927 | ); |
| 1928 | } |
| 1929 | |
| 1930 | /** |
| 1931 | * Enqueues assets needed to do async loading of related posts. |
| 1932 | * |
| 1933 | * @param string $script - the script we're enqueing. |
| 1934 | * @param string $style - the style we're enqueing. |
| 1935 | * |
| 1936 | * @uses wp_enqueue_script, wp_enqueue_style, plugins_url |
| 1937 | */ |
| 1938 | protected function enqueue_assets( $script, $style ) { |
| 1939 | $dependencies = is_customize_preview() ? array( 'customize-base' ) : array(); |
| 1940 | // Do not enqueue scripts unless they are required. |
| 1941 | if ( $script && $this->requires_scripts() ) { |
| 1942 | wp_enqueue_script( |
| 1943 | 'jetpack_related-posts', |
| 1944 | Assets::get_file_url_for_environment( |
| 1945 | '_inc/build/related-posts/related-posts.min.js', |
| 1946 | 'modules/related-posts/related-posts.js' |
| 1947 | ), |
| 1948 | $dependencies, |
| 1949 | self::VERSION, |
| 1950 | false |
| 1951 | ); |
| 1952 | $related_posts_js_options = array( |
| 1953 | /** |
| 1954 | * Filter each Related Post Heading structure. |
| 1955 | * |
| 1956 | * @since 4.0.0 |
| 1957 | * |
| 1958 | * @param string $str Related Post Heading structure. Default to h4. |
| 1959 | */ |
| 1960 | 'post_heading' => apply_filters( 'jetpack_relatedposts_filter_post_heading', esc_attr( 'h4' ) ), |
| 1961 | ); |
| 1962 | wp_localize_script( 'jetpack_related-posts', 'related_posts_js_options', $related_posts_js_options ); |
| 1963 | } |
| 1964 | if ( $style ) { |
| 1965 | wp_enqueue_style( 'jetpack_related-posts', plugins_url( 'related-posts.css', __FILE__ ), array(), self::VERSION ); |
| 1966 | wp_style_add_data( 'jetpack_related-posts', 'rtl', 'replace' ); |
| 1967 | add_action( 'amp_post_template_css', array( $this, 'render_amp_reader_mode_css' ) ); |
| 1968 | } |
| 1969 | } |
| 1970 | |
| 1971 | /** |
| 1972 | * Render AMP's reader mode CSS. |
| 1973 | */ |
| 1974 | public function render_amp_reader_mode_css() { |
| 1975 | echo file_get_contents( __DIR__ . '/related-posts.css' ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped, WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- this is loading a CSS file. |
| 1976 | } |
| 1977 | |
| 1978 | /** |
| 1979 | * Sets up the shortcode processing. |
| 1980 | * |
| 1981 | * @uses add_filter, add_shortcode |
| 1982 | */ |
| 1983 | protected function setup_shortcode() { |
| 1984 | add_filter( 'the_content', array( $this, 'test_for_shortcode' ), 0 ); |
| 1985 | |
| 1986 | add_shortcode( self::SHORTCODE, array( $this, 'get_client_rendered_html' ) ); |
| 1987 | } |
| 1988 | |
| 1989 | /** |
| 1990 | * Return status of related posts toggle. |
| 1991 | */ |
| 1992 | protected function allow_feature_toggle() { |
| 1993 | if ( null === $this->allow_feature_toggle ) { |
| 1994 | /** |
| 1995 | * Filter the display of the Related Posts toggle in Settings > Reading. |
| 1996 | * |
| 1997 | * @module related-posts |
| 1998 | * |
| 1999 | * @since 2.8.0 |
| 2000 | * |
| 2001 | * @param bool $allow_feature_toggle Display a feature toggle. Default to false. |
| 2002 | */ |
| 2003 | $this->allow_feature_toggle = apply_filters( 'jetpack_relatedposts_filter_allow_feature_toggle', false ); |
| 2004 | } |
| 2005 | return $this->allow_feature_toggle; |
| 2006 | } |
| 2007 | |
| 2008 | /** |
| 2009 | * =================================================== |
| 2010 | * FUNCTIONS EXPOSING RELATED POSTS IN THE WP REST API |
| 2011 | * =================================================== |
| 2012 | */ |
| 2013 | |
| 2014 | /** |
| 2015 | * Add Related Posts to the REST API Post response. |
| 2016 | * |
| 2017 | * @since 4.4.0 |
| 2018 | * |
| 2019 | * @action rest_api_init |
| 2020 | * @uses register_rest_field, self::rest_get_related_posts |
| 2021 | */ |
| 2022 | public function rest_register_related_posts() { |
| 2023 | /** This filter is already documented in class.json-api-endpoints.php */ |
| 2024 | $post_types = apply_filters( 'rest_api_allowed_post_types', array( 'post', 'page', 'revision' ) ); |
| 2025 | foreach ( $post_types as $post_type ) { |
| 2026 | register_rest_field( |
| 2027 | $post_type, |
| 2028 | 'jetpack-related-posts', |
| 2029 | array( |
| 2030 | 'get_callback' => array( $this, 'rest_get_related_posts' ), |
| 2031 | 'update_callback' => null, |
| 2032 | 'schema' => null, |
| 2033 | ) |
| 2034 | ); |
| 2035 | } |
| 2036 | } |
| 2037 | |
| 2038 | /** |
| 2039 | * Build an array of Related Posts. |
| 2040 | * By default returns cached results that are stored for up to 12 hours. |
| 2041 | * |
| 2042 | * @since 4.4.0 |
| 2043 | * |
| 2044 | * @param array $object Details of current post. |
| 2045 | * |
| 2046 | * @uses self::get_for_post_id |
| 2047 | * |
| 2048 | * @return array |
| 2049 | */ |
| 2050 | public function rest_get_related_posts( $object ) { |
| 2051 | return $this->get_for_post_id( $object['id'], array( 'size' => 6 ) ); |
| 2052 | } |
| 2053 | } |
| 2054 | |
| 2055 | /** |
| 2056 | * The raw related posts class can be used by other plugins or themes |
| 2057 | * to get related content. This class wraps the existing RelatedPosts |
| 2058 | * logic thus we never want to add anything to the DOM or do anything |
| 2059 | * for event hooks. We will also not present any settings for this |
| 2060 | * class and keep it enabled as calls to this class are done |
| 2061 | * programmatically. |
| 2062 | */ |
| 2063 | class Jetpack_RelatedPosts_Raw extends Jetpack_RelatedPosts { //phpcs:ignore Generic.Classes.OpeningBraceSameLine.ContentAfterBrace, Generic.Files.OneObjectStructurePerFile.MultipleFound |
| 2064 | |
| 2065 | /** |
| 2066 | * The query name we want to look up. |
| 2067 | * |
| 2068 | * @var string |
| 2069 | */ |
| 2070 | protected $query_name; |
| 2071 | |
| 2072 | /** |
| 2073 | * Allows callers of this class to tag each query with a unique name for tracking purposes. |
| 2074 | * |
| 2075 | * @param string $name - the name of the query. |
| 2076 | * @return Jetpack_RelatedPosts_Raw |
| 2077 | */ |
| 2078 | public function set_query_name( $name ) { |
| 2079 | $this->query_name = (string) $name; |
| 2080 | return $this; |
| 2081 | } |
| 2082 | |
| 2083 | /** |
| 2084 | * Initialize admin. |
| 2085 | */ |
| 2086 | public function action_admin_init() {} |
| 2087 | |
| 2088 | /** |
| 2089 | * Initialize front end. |
| 2090 | */ |
| 2091 | public function action_frontend_init() {} |
| 2092 | |
| 2093 | /** |
| 2094 | * Get options. |
| 2095 | */ |
| 2096 | public function get_options() { |
| 2097 | return array( |
| 2098 | 'enabled' => true, |
| 2099 | ); |
| 2100 | } |
| 2101 | |
| 2102 | /** |
| 2103 | * Workhorse method to return array of related posts ids matched by Elasticsearch. |
| 2104 | * |
| 2105 | * @param int $post_id - the post ID. |
| 2106 | * @param int $size - size of the post. |
| 2107 | * @param array $filters - filters we're using. |
| 2108 | * @uses wp_remote_post, is_wp_error, wp_remote_retrieve_body |
| 2109 | * @return array |
| 2110 | */ |
| 2111 | protected function get_related_posts( $post_id, $size, array $filters ) { |
| 2112 | $hits = $this->filter_non_public_posts( |
| 2113 | $this->get_related_post_ids( |
| 2114 | $post_id, |
| 2115 | $size, |
| 2116 | $filters |
| 2117 | ) |
| 2118 | ); |
| 2119 | |
| 2120 | /** This filter is already documented in modules/related-posts/related-posts.php */ |
| 2121 | $hits = apply_filters( 'jetpack_relatedposts_filter_hits', $hits, $post_id ); |
| 2122 | |
| 2123 | return $hits; |
| 2124 | } |
| 2125 | } |
| 2126 |