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| 1 | <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | |
| 3 | if ( ! defined( 'ABSPATH' ) ) { |
| 4 | exit( 0 ); |
| 5 | } |
| 6 | |
| 7 | /** |
| 8 | * Comments Walker Class. |
| 9 | */ |
| 10 | class WPCOM_JSON_API_List_Comments_Walker extends Walker { |
| 11 | |
| 12 | /** |
| 13 | * Tree type. |
| 14 | * |
| 15 | * @var string |
| 16 | */ |
| 17 | public $tree_type = 'comment'; |
| 18 | |
| 19 | /** |
| 20 | * Database fields. |
| 21 | * |
| 22 | * @var array |
| 23 | */ |
| 24 | public $db_fields = array( |
| 25 | 'parent' => 'comment_parent', |
| 26 | 'id' => 'comment_ID', |
| 27 | ); |
| 28 | |
| 29 | /** |
| 30 | * Start the element output. |
| 31 | * |
| 32 | * @param array $output - the output. |
| 33 | * @param object $object - the object. |
| 34 | * @param int $depth - depth. |
| 35 | * @param array $args - the arguments. |
| 36 | * @param int $current_object_id - the object ID. |
| 37 | */ |
| 38 | public function start_el( &$output, $object, $depth = 0, $args = array(), $current_object_id = 0 ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 39 | if ( ! is_array( $output ) ) { |
| 40 | $output = array(); |
| 41 | } |
| 42 | |
| 43 | $output[] = $object->comment_ID; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Taken from WordPress's Walker_Comment::display_element() |
| 48 | * |
| 49 | * This function is designed to enhance Walker::display_element() to |
| 50 | * display children of higher nesting levels than selected inline on |
| 51 | * the highest depth level displayed. This prevents them being orphaned |
| 52 | * at the end of the comment list. |
| 53 | * |
| 54 | * Example: max_depth = 2, with 5 levels of nested content. |
| 55 | * 1 |
| 56 | * 1.1 |
| 57 | * 1.1.1 |
| 58 | * 1.1.1.1 |
| 59 | * 1.1.1.1.1 |
| 60 | * 1.1.2 |
| 61 | * 1.1.2.1 |
| 62 | * 2 |
| 63 | * 2.2 |
| 64 | * |
| 65 | * @see Walker_Comment::display_element() |
| 66 | * @see Walker::display_element() |
| 67 | * @see wp_list_comments() |
| 68 | * |
| 69 | * @param object $element — Data object. |
| 70 | * @param array $children_elements - List of elements to continue traversing (passed by reference). |
| 71 | * @param int $max_depth — Max depth to traverse. |
| 72 | * @param int $depth — Depth of current element. |
| 73 | * @param array $args — An array of arguments. |
| 74 | * @param string $output — Used to append additional content (passed by reference). |
| 75 | */ |
| 76 | public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) { |
| 77 | |
| 78 | if ( ! $element ) { |
| 79 | return; |
| 80 | } |
| 81 | |
| 82 | $id_field = $this->db_fields['id']; |
| 83 | $id = $element->$id_field; |
| 84 | |
| 85 | parent::display_element( $element, $children_elements, $max_depth, $depth, $args, $output ); |
| 86 | |
| 87 | // If we're at the max depth, and the current element still has children, loop over those and display them at this level |
| 88 | // This is to prevent them being orphaned to the end of the list. |
| 89 | if ( $max_depth <= $depth + 1 && isset( $children_elements[ $id ] ) ) { |
| 90 | foreach ( $children_elements[ $id ] as $child ) { |
| 91 | $this->display_element( $child, $children_elements, $max_depth, $depth, $args, $output ); |
| 92 | } |
| 93 | |
| 94 | unset( $children_elements[ $id ] ); |
| 95 | } |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | new WPCOM_JSON_API_List_Comments_Endpoint( |
| 100 | array( |
| 101 | 'description' => 'Get a list of recent comments.', |
| 102 | 'group' => 'comments', |
| 103 | 'stat' => 'comments', |
| 104 | |
| 105 | 'method' => 'GET', |
| 106 | 'path' => '/sites/%s/comments/', |
| 107 | 'path_labels' => array( |
| 108 | '$site' => '(int|string) Site ID or domain', |
| 109 | ), |
| 110 | |
| 111 | 'allow_fallback_to_jetpack_blog_token' => true, |
| 112 | |
| 113 | 'example_request' => 'https://public-api.wordpress.com/rest/v1/sites/en.blog.wordpress.com/comments/?number=2', |
| 114 | ) |
| 115 | ); |
| 116 | |
| 117 | new WPCOM_JSON_API_List_Comments_Endpoint( |
| 118 | array( |
| 119 | 'description' => 'Get a list of recent comments on a post.', |
| 120 | 'group' => 'comments', |
| 121 | 'stat' => 'posts:1:replies', |
| 122 | |
| 123 | 'method' => 'GET', |
| 124 | 'path' => '/sites/%s/posts/%d/replies/', |
| 125 | 'path_labels' => array( |
| 126 | '$site' => '(int|string) Site ID or domain', |
| 127 | '$post_ID' => '(int) The post ID', |
| 128 | ), |
| 129 | |
| 130 | 'allow_fallback_to_jetpack_blog_token' => true, |
| 131 | |
| 132 | 'example_request' => 'https://public-api.wordpress.com/rest/v1/sites/en.blog.wordpress.com/posts/7/replies/?number=2', |
| 133 | ) |
| 134 | ); |
| 135 | |
| 136 | /** |
| 137 | * List comment endpoint. |
| 138 | * |
| 139 | * /sites/%s/comments/ -> $blog_id |
| 140 | * /sites/%s/posts/%d/replies/ -> $blog_id, $post_id |
| 141 | * /sites/%s/comments/%d/replies/ -> $blog_id, $comment_id |
| 142 | * |
| 143 | * @todo permissions |
| 144 | * |
| 145 | * @phan-constructor-used-for-side-effects |
| 146 | */ |
| 147 | class WPCOM_JSON_API_List_Comments_Endpoint extends WPCOM_JSON_API_Comment_Endpoint { // phpcs:ignore |
| 148 | |
| 149 | /** |
| 150 | * The response format. |
| 151 | * |
| 152 | * @var array |
| 153 | */ |
| 154 | public $response_format = array( |
| 155 | 'found' => '(int) The total number of comments found that match the request (ignoring limits, offsets, and pagination).', |
| 156 | 'site_ID' => '(int) The site ID', |
| 157 | 'comments' => '(array:comment) An array of comment objects.', |
| 158 | ); |
| 159 | |
| 160 | /** |
| 161 | * Constructor function. |
| 162 | * |
| 163 | * @param array $args - the arguments. |
| 164 | */ |
| 165 | public function __construct( $args ) { |
| 166 | parent::__construct( $args ); |
| 167 | $this->query = array_merge( |
| 168 | $this->query, |
| 169 | array( |
| 170 | 'number' => '(int=20) The number of comments to return. Limit: 100. When using hierarchical=1, number refers to the number of top-level comments returned.', |
| 171 | 'offset' => '(int=0) 0-indexed offset. Not available if using hierarchical=1.', |
| 172 | 'page' => '(int) Return the Nth 1-indexed page of comments. Takes precedence over the <code>offset</code> parameter. When using hierarchical=1, pagination is a bit different. See the note on the number parameter.', |
| 173 | 'order' => array( |
| 174 | 'DESC' => 'Return comments in descending order from newest to oldest.', |
| 175 | 'ASC' => 'Return comments in ascending order from oldest to newest.', |
| 176 | ), |
| 177 | 'hierarchical' => array( |
| 178 | 'false' => '', |
| 179 | 'true' => '(BETA) Order the comment list hierarchically.', |
| 180 | ), |
| 181 | 'after' => '(ISO 8601 datetime) Return comments dated on or after the specified datetime. Not available if using hierarchical=1.', |
| 182 | 'before' => '(ISO 8601 datetime) Return comments dated on or before the specified datetime. Not available if using hierarchical=1.', |
| 183 | 'type' => array( |
| 184 | 'any' => 'Return all comments regardless of type.', |
| 185 | 'comment' => 'Return only regular comments.', |
| 186 | 'trackback' => 'Return only trackbacks.', |
| 187 | 'pingback' => 'Return only pingbacks.', |
| 188 | 'pings' => 'Return both trackbacks and pingbacks.', |
| 189 | ), |
| 190 | 'status' => array( |
| 191 | 'approved' => 'Return only approved comments.', |
| 192 | 'unapproved' => 'Return only comments in the moderation queue.', |
| 193 | 'spam' => 'Return only comments marked as spam.', |
| 194 | 'trash' => 'Return only comments in the trash.', |
| 195 | 'all' => 'Return comments of all statuses.', |
| 196 | ), |
| 197 | 'author_wpcom_data' => array( |
| 198 | 'false' => 'Do not add wpcom_id and wpcom_login fields to comment author responses (default)', |
| 199 | 'true' => 'Add wpcom_id and wpcom_login fields to comment author responses', |
| 200 | ), |
| 201 | ) |
| 202 | ); |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * The callback. |
| 207 | * |
| 208 | * @param string $path - the path. |
| 209 | * @param int $blog_id - the blog ID. |
| 210 | * @param int $object_id - the object ID. |
| 211 | */ |
| 212 | public function callback( $path = '', $blog_id = 0, $object_id = 0 ) { |
| 213 | $blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) ); |
| 214 | if ( is_wp_error( $blog_id ) ) { |
| 215 | return $blog_id; |
| 216 | } |
| 217 | |
| 218 | $args = $this->query_args(); |
| 219 | |
| 220 | if ( $args['number'] < 1 ) { |
| 221 | $args['number'] = 20; |
| 222 | } elseif ( 100 < $args['number'] ) { |
| 223 | return new WP_Error( 'invalid_number', 'The NUMBER parameter must be less than or equal to 100.', 400 ); |
| 224 | } |
| 225 | |
| 226 | if ( str_contains( $path, '/posts/' ) ) { |
| 227 | // We're looking for comments of a particular post. |
| 228 | $post_id = $object_id; |
| 229 | $comment_id = 0; |
| 230 | } else { |
| 231 | // We're looking for comments for the whole blog, or replies to a single comment. |
| 232 | $comment_id = $object_id; |
| 233 | $post_id = 0; |
| 234 | } |
| 235 | |
| 236 | // We can't efficiently get the number of replies to a single comment. |
| 237 | $count = false; |
| 238 | $found = -1; |
| 239 | |
| 240 | if ( ! $comment_id ) { |
| 241 | // We can get comment counts for the whole site or for a single post, but only for certain queries. |
| 242 | if ( 'any' === $args['type'] && ! isset( $args['after'] ) && ! isset( $args['before'] ) ) { |
| 243 | $count = $this->api->wp_count_comments( $post_id ); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | switch ( $args['status'] ) { |
| 248 | case 'approved': |
| 249 | $status = 'approve'; |
| 250 | if ( $count ) { |
| 251 | $found = $count->approved; |
| 252 | } |
| 253 | break; |
| 254 | default: |
| 255 | if ( ! current_user_can( 'edit_posts' ) ) { |
| 256 | return new WP_Error( 'unauthorized', 'User cannot read non-approved comments', 403 ); |
| 257 | } |
| 258 | if ( 'unapproved' === $args['status'] ) { |
| 259 | $status = 'hold'; |
| 260 | $count_status = 'moderated'; |
| 261 | } elseif ( 'all' === $args['status'] ) { |
| 262 | $status = 'all'; |
| 263 | $count_status = 'total_comments'; |
| 264 | } else { |
| 265 | $status = $args['status']; |
| 266 | $count_status = $args['status']; |
| 267 | } |
| 268 | if ( $count ) { |
| 269 | $found = $count->$count_status; |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | /** This filter is documented in class.json-api.php */ |
| 274 | $exclude = apply_filters( |
| 275 | 'jetpack_api_exclude_comment_types', |
| 276 | array( 'order_note', 'webhook_delivery', 'review', 'action_log' ) |
| 277 | ); |
| 278 | |
| 279 | $query = array( |
| 280 | 'order' => $args['order'], |
| 281 | 'type' => 'any' === $args['type'] ? false : $args['type'], |
| 282 | 'status' => $status, |
| 283 | 'type__not_in' => $exclude, |
| 284 | ); |
| 285 | |
| 286 | if ( isset( $args['page'] ) ) { |
| 287 | if ( $args['page'] < 1 ) { |
| 288 | $args['page'] = 1; |
| 289 | } |
| 290 | } elseif ( $args['offset'] < 0 ) { |
| 291 | $args['offset'] = 0; |
| 292 | } |
| 293 | |
| 294 | if ( ! $args['hierarchical'] ) { |
| 295 | $query['number'] = $args['number']; |
| 296 | |
| 297 | if ( isset( $args['page'] ) ) { |
| 298 | $query['offset'] = ( $args['page'] - 1 ) * $args['number']; |
| 299 | } else { |
| 300 | $query['offset'] = $args['offset']; |
| 301 | } |
| 302 | |
| 303 | $is_before = isset( $args['before_gmt'] ); |
| 304 | $is_after = isset( $args['after_gmt'] ); |
| 305 | |
| 306 | if ( $is_before || $is_after ) { |
| 307 | $query['date_query'] = array( |
| 308 | 'column' => 'comment_date_gmt', |
| 309 | 'inclusive' => true, |
| 310 | ); |
| 311 | |
| 312 | if ( $is_before ) { |
| 313 | $query['date_query']['before'] = $args['before_gmt']; |
| 314 | } |
| 315 | |
| 316 | if ( $is_after ) { |
| 317 | $query['date_query']['after'] = $args['after_gmt']; |
| 318 | } |
| 319 | } |
| 320 | } |
| 321 | if ( $args['hierarchical'] && $found > 5000 ) { |
| 322 | // Massive comment thread found; don't pre-load comment metadata to reduce memory used. |
| 323 | $query['update_comment_meta_cache'] = false; |
| 324 | } |
| 325 | |
| 326 | if ( $post_id ) { |
| 327 | $post = get_post( $post_id ); |
| 328 | if ( ! $post || is_wp_error( $post ) ) { |
| 329 | return new WP_Error( 'unknown_post', 'Unknown post', 404 ); |
| 330 | } |
| 331 | $query['post_id'] = $post->ID; |
| 332 | if ( $this->api->ends_with( $this->path, '/replies' ) ) { |
| 333 | $query['parent'] = 0; |
| 334 | } |
| 335 | } elseif ( $comment_id ) { |
| 336 | $comment = get_comment( $comment_id ); |
| 337 | if ( ! $comment || is_wp_error( $comment ) ) { |
| 338 | return new WP_Error( 'unknown_comment', 'Unknown comment', 404 ); |
| 339 | } |
| 340 | $query['parent'] = $comment_id; |
| 341 | } |
| 342 | |
| 343 | $comments = get_comments( $query ); |
| 344 | |
| 345 | if ( $args['hierarchical'] ) { |
| 346 | $walker = new WPCOM_JSON_API_List_Comments_Walker(); |
| 347 | $comment_ids = $walker->paged_walk( $comments, get_option( 'thread_comments_depth', -1 ), isset( $args['page'] ) ? $args['page'] : 1, $args['number'] ); |
| 348 | if ( ! empty( $comment_ids ) ) { |
| 349 | $comments = array_map( 'get_comment', $comment_ids ); |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | $return = array(); |
| 354 | |
| 355 | foreach ( array_keys( $this->response_format ) as $key ) { |
| 356 | switch ( $key ) { |
| 357 | case 'found': |
| 358 | $return[ $key ] = (int) $found; |
| 359 | break; |
| 360 | case 'site_ID': |
| 361 | $return[ $key ] = (int) $blog_id; |
| 362 | break; |
| 363 | case 'comments': |
| 364 | $return_comments = array(); |
| 365 | if ( ! empty( $comments ) ) { |
| 366 | foreach ( $comments as $comment ) { |
| 367 | $the_comment = $this->get_comment( $comment->comment_ID, $args['context'] ); |
| 368 | if ( $the_comment && ! is_wp_error( $the_comment ) ) { |
| 369 | $return_comments[] = $the_comment; |
| 370 | } |
| 371 | } |
| 372 | } |
| 373 | |
| 374 | if ( $return_comments ) { |
| 375 | /** This action is documented in json-endpoints/class.wpcom-json-api-site-settings-endpoint.php */ |
| 376 | do_action( 'wpcom_json_api_objects', 'comments', count( $return_comments ) ); |
| 377 | } |
| 378 | |
| 379 | $return[ $key ] = $return_comments; |
| 380 | break; |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | return $return; |
| 385 | } |
| 386 | } |