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| 1 | <?php |
| 2 | /** |
| 3 | * Terms sync module. |
| 4 | * |
| 5 | * @package automattic/jetpack-sync |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Sync\Modules; |
| 9 | |
| 10 | use Automattic\Jetpack\Sync\Settings; |
| 11 | |
| 12 | if ( ! defined( 'ABSPATH' ) ) { |
| 13 | exit( 0 ); |
| 14 | } |
| 15 | |
| 16 | /** |
| 17 | * Class to handle sync for terms. |
| 18 | */ |
| 19 | class Terms extends Module { |
| 20 | |
| 21 | /** |
| 22 | * Sync module name. |
| 23 | * |
| 24 | * @access public |
| 25 | * |
| 26 | * @return string |
| 27 | */ |
| 28 | public function name() { |
| 29 | return 'terms'; |
| 30 | } |
| 31 | |
| 32 | /** |
| 33 | * The id field in the database. |
| 34 | * |
| 35 | * @access public |
| 36 | * |
| 37 | * @return string |
| 38 | */ |
| 39 | public function id_field() { |
| 40 | return 'term_taxonomy_id'; |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * The table name. |
| 45 | * |
| 46 | * @access public |
| 47 | * |
| 48 | * @return string |
| 49 | * @deprecated since 3.11.0 Use table() instead. |
| 50 | */ |
| 51 | public function table_name() { |
| 52 | _deprecated_function( __METHOD__, '3.11.0', 'Automattic\\Jetpack\\Sync\\Terms->table' ); |
| 53 | return 'term_taxonomy'; |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * The table in the database with the prefix. |
| 58 | * |
| 59 | * @access public |
| 60 | * |
| 61 | * @return string|bool |
| 62 | */ |
| 63 | public function table() { |
| 64 | global $wpdb; |
| 65 | return $wpdb->term_taxonomy; |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Allows WordPress.com servers to retrieve term-related objects via the sync API. |
| 70 | * |
| 71 | * @param string $object_type The type of object. Accepts: 'term', 'term_taxonomy', 'term_relationships'. |
| 72 | * @param int $id The id of the object. |
| 73 | * |
| 74 | * @return false|object A term or term_taxonomy object, depending on object type. |
| 75 | */ |
| 76 | public function get_object_by_id( $object_type, $id ) { |
| 77 | $id = (int) $id; |
| 78 | |
| 79 | if ( empty( $id ) ) { |
| 80 | return false; |
| 81 | } |
| 82 | |
| 83 | $objects = $this->get_objects_by_id( $object_type, array( $id ) ); |
| 84 | |
| 85 | return $objects[ $id ] ?? false; |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Retrieve a set of objects by their IDs. |
| 90 | * |
| 91 | * @access public |
| 92 | * |
| 93 | * @param string $object_type Object type. Accepts: 'term', 'term_taxonomy', 'term_relationships'. |
| 94 | * @param array $ids Object IDs. |
| 95 | * |
| 96 | * @return array Array of objects. |
| 97 | */ |
| 98 | public function get_objects_by_id( $object_type, $ids ) { |
| 99 | global $wpdb; |
| 100 | |
| 101 | $objects = array(); |
| 102 | |
| 103 | if ( ! is_array( $ids ) || empty( $ids ) || empty( $object_type ) ) { |
| 104 | return $objects; |
| 105 | } |
| 106 | |
| 107 | // Sanitize. |
| 108 | $ids = array_map( 'intval', $ids ); |
| 109 | $ids_str = implode( ',', $ids ); |
| 110 | |
| 111 | $where_sql = Settings::get_whitelisted_taxonomies_sql(); |
| 112 | |
| 113 | switch ( $object_type ) { |
| 114 | case 'term': |
| 115 | $query = "SELECT * FROM $wpdb->terms t INNER JOIN $wpdb->term_taxonomy tt ON t.term_id=tt.term_id WHERE t.term_id IN ( $ids_str ) AND "; |
| 116 | $callback = 'expand_raw_terms'; |
| 117 | break; |
| 118 | case 'term_taxonomy': |
| 119 | $query = "SELECT * FROM $wpdb->term_taxonomy WHERE term_taxonomy_id IN ( $ids_str ) AND "; |
| 120 | $callback = 'expand_raw_term_taxonomies'; |
| 121 | break; |
| 122 | case 'term_relationships': |
| 123 | $query = "SELECT * FROM $wpdb->term_relationships tr INNER JOIN $wpdb->term_taxonomy tt ON tr.term_taxonomy_id=tt.term_taxonomy_id WHERE object_id IN ( $ids_str ) AND "; |
| 124 | $callback = 'expand_raw_term_relationships'; |
| 125 | break; |
| 126 | default: |
| 127 | return array(); |
| 128 | } |
| 129 | |
| 130 | $query .= $where_sql; |
| 131 | |
| 132 | // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared,WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching -- Already sanitized above. |
| 133 | $results = $wpdb->get_results( $query ); |
| 134 | |
| 135 | if ( ! is_array( $results ) ) { |
| 136 | return array(); |
| 137 | } |
| 138 | |
| 139 | $objects = $this->$callback( $results ); |
| 140 | |
| 141 | return $objects ?? array(); |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Initialize terms action listeners. |
| 146 | * |
| 147 | * @access public |
| 148 | * |
| 149 | * @param callable $callable Action handler callable. |
| 150 | */ |
| 151 | public function init_listeners( $callable ) { |
| 152 | add_action( 'created_term', array( $this, 'save_term_handler' ), 10, 3 ); |
| 153 | add_action( 'edited_term', array( $this, 'save_term_handler' ), 10, 3 ); |
| 154 | add_action( 'jetpack_sync_save_term', $callable ); |
| 155 | add_action( 'jetpack_sync_add_term', $callable ); |
| 156 | add_action( 'delete_term', $callable, 10, 4 ); |
| 157 | add_action( 'set_object_terms', $callable, 10, 6 ); |
| 158 | add_action( 'deleted_term_relationships', $callable, 10, 2 ); |
| 159 | add_filter( 'jetpack_sync_before_enqueue_set_object_terms', array( $this, 'filter_set_object_terms_no_update' ) ); |
| 160 | add_filter( 'jetpack_sync_before_enqueue_jetpack_sync_save_term', array( $this, 'filter_blacklisted_taxonomies' ) ); |
| 161 | add_filter( 'jetpack_sync_before_enqueue_jetpack_sync_add_term', array( $this, 'filter_blacklisted_taxonomies' ) ); |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * Initialize terms action listeners for full sync. |
| 166 | * |
| 167 | * @access public |
| 168 | * |
| 169 | * @param callable $callable Action handler callable. |
| 170 | */ |
| 171 | public function init_full_sync_listeners( $callable ) { |
| 172 | add_action( 'jetpack_full_sync_terms', $callable, 10, 2 ); |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * Initialize the module in the sender. |
| 177 | * |
| 178 | * @access public |
| 179 | */ |
| 180 | public function init_before_send() { |
| 181 | // Full sync. |
| 182 | add_filter( 'jetpack_sync_before_send_jetpack_full_sync_terms', array( $this, 'expand_term_taxonomy_id' ) ); |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Enqueue the terms actions for full sync. |
| 187 | * |
| 188 | * @access public |
| 189 | * |
| 190 | * @param array $config Full sync configuration for this sync module. |
| 191 | * @param int $max_items_to_enqueue Maximum number of items to enqueue. |
| 192 | * @param boolean $state True if full sync has finished enqueueing this module, false otherwise. |
| 193 | * @return array Number of actions enqueued, and next module state. |
| 194 | */ |
| 195 | public function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $state ) { |
| 196 | global $wpdb; |
| 197 | return $this->enqueue_all_ids_as_action( 'jetpack_full_sync_terms', $wpdb->term_taxonomy, 'term_taxonomy_id', $this->get_where_sql( $config ), $max_items_to_enqueue, $state ); |
| 198 | } |
| 199 | |
| 200 | /** |
| 201 | * Retrieve the WHERE SQL clause based on the module config. |
| 202 | * |
| 203 | * @access public |
| 204 | * |
| 205 | * @param array $config Full sync configuration for this sync module. |
| 206 | * @return string WHERE SQL clause, or `null` if no comments are specified in the module config. |
| 207 | */ |
| 208 | public function get_where_sql( $config ) { |
| 209 | $where_sql = Settings::get_blacklisted_taxonomies_sql(); |
| 210 | |
| 211 | if ( is_array( $config ) && ! empty( $config ) ) { |
| 212 | $where_sql .= ' AND term_taxonomy_id IN (' . implode( ',', array_map( 'intval', $config ) ) . ')'; |
| 213 | } |
| 214 | |
| 215 | return $where_sql; |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * Retrieve an estimated number of actions that will be enqueued. |
| 220 | * |
| 221 | * @access public |
| 222 | * |
| 223 | * @param array $config Full sync configuration for this sync module. |
| 224 | * @return int Number of items yet to be enqueued. |
| 225 | */ |
| 226 | public function estimate_full_sync_actions( $config ) { |
| 227 | global $wpdb; |
| 228 | |
| 229 | $query = "SELECT count(*) FROM $wpdb->term_taxonomy"; |
| 230 | |
| 231 | $where_sql = $this->get_where_sql( $config ); |
| 232 | if ( $where_sql ) { |
| 233 | $query .= ' WHERE ' . $where_sql; |
| 234 | } |
| 235 | |
| 236 | // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared,WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching |
| 237 | $count = (int) $wpdb->get_var( $query ); |
| 238 | |
| 239 | return (int) ceil( $count / self::ARRAY_CHUNK_SIZE ); |
| 240 | } |
| 241 | |
| 242 | /** |
| 243 | * Retrieve the actions that will be sent for this module during a full sync. |
| 244 | * |
| 245 | * @access public |
| 246 | * |
| 247 | * @return array Full sync actions of this module. |
| 248 | */ |
| 249 | public function get_full_sync_actions() { |
| 250 | return array( 'jetpack_full_sync_terms' ); |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Handler for creating and updating terms. |
| 255 | * |
| 256 | * @access public |
| 257 | * |
| 258 | * @param int $term_id Term ID. |
| 259 | * @param int $tt_id Term taxonomy ID. |
| 260 | * @param string $taxonomy Taxonomy slug. |
| 261 | */ |
| 262 | public function save_term_handler( $term_id, $tt_id, $taxonomy ) { |
| 263 | if ( class_exists( '\\WP_Term' ) ) { |
| 264 | $term_object = \WP_Term::get_instance( $term_id, $taxonomy ); |
| 265 | } else { |
| 266 | $term_object = get_term_by( 'id', $term_id, $taxonomy ); |
| 267 | } |
| 268 | |
| 269 | $current_filter = current_filter(); |
| 270 | |
| 271 | if ( 'created_term' === $current_filter ) { |
| 272 | /** |
| 273 | * Fires when the client needs to add a new term |
| 274 | * |
| 275 | * @since 1.6.3 |
| 276 | * @since-jetpack 5.0.0 |
| 277 | * |
| 278 | * @param object the Term object |
| 279 | */ |
| 280 | do_action( 'jetpack_sync_add_term', $term_object ); |
| 281 | return; |
| 282 | } |
| 283 | |
| 284 | /** |
| 285 | * Fires when the client needs to update a term |
| 286 | * |
| 287 | * @since 1.6.3 |
| 288 | * @since-jetpack 4.2.0 |
| 289 | * |
| 290 | * @param object the Term object |
| 291 | */ |
| 292 | do_action( 'jetpack_sync_save_term', $term_object ); |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * Filter blacklisted taxonomies. |
| 297 | * |
| 298 | * @access public |
| 299 | * |
| 300 | * @param array $args Hook args. |
| 301 | * @return array|boolean False if not whitelisted, the original hook args otherwise. |
| 302 | */ |
| 303 | public function filter_blacklisted_taxonomies( $args ) { |
| 304 | $term = $args[0]; |
| 305 | |
| 306 | if ( in_array( $term->taxonomy, Settings::get_setting( 'taxonomies_blacklist' ), true ) ) { |
| 307 | return false; |
| 308 | } |
| 309 | |
| 310 | return $args; |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * Filter out set_object_terms actions with blacklisted taxonomies or where the terms have not changed. |
| 315 | * |
| 316 | * @param array $args Hook args. |
| 317 | * @return array|boolean False if blacklisted taxonomy or no change in terms, the original hook args otherwise. |
| 318 | */ |
| 319 | public function filter_set_object_terms_no_update( $args ) { |
| 320 | // Check if the taxonomy is blacklisted. $args[3] is the taxonomy. |
| 321 | if ( isset( $args[3] ) && in_array( $args[3], Settings::get_setting( 'taxonomies_blacklist' ), true ) ) { |
| 322 | return false; |
| 323 | } |
| 324 | // There is potential for other plugins to modify args, therefore lets validate # of and types. |
| 325 | // $args[2] is $tt_ids, $args[5] is $old_tt_ids see wp-includes/taxonomy.php L2740. |
| 326 | if ( 6 === count( $args ) && is_array( $args[2] ) && is_array( $args[5] ) ) { |
| 327 | if ( empty( array_diff( $args[2], $args[5] ) ) && empty( array_diff( $args[5], $args[2] ) ) ) { |
| 328 | return false; |
| 329 | } |
| 330 | } |
| 331 | return $args; |
| 332 | } |
| 333 | |
| 334 | /** |
| 335 | * Expand the term taxonomy IDs to terms within a hook before they are serialized and sent to the server. |
| 336 | * |
| 337 | * @access public |
| 338 | * |
| 339 | * @param array $args The hook parameters. |
| 340 | * @return array $args The expanded hook parameters. |
| 341 | */ |
| 342 | public function expand_term_taxonomy_id( $args ) { |
| 343 | list( $term_taxonomy_ids, $previous_end ) = $args; |
| 344 | |
| 345 | return array( |
| 346 | // @phan-suppress-next-line PhanAccessMethodInternal @phan-suppress-current-line UnusedSuppression -- Fixed in WP 6.9, but then we need a suppression for the WP 6.8 compat run. @todo Remove this suppression when we drop WP <6.9. |
| 347 | 'terms' => get_terms( |
| 348 | array( |
| 349 | 'hide_empty' => false, |
| 350 | 'orderby' => 'term_taxonomy_id', |
| 351 | 'order' => 'DESC', |
| 352 | 'taxonomy' => array(), |
| 353 | 'term_taxonomy_id' => $term_taxonomy_ids, |
| 354 | ) |
| 355 | ), |
| 356 | 'previous_end' => $previous_end, |
| 357 | ); |
| 358 | } |
| 359 | |
| 360 | /** |
| 361 | * Gets a term object based on a given row from the term_relationships database table. |
| 362 | * |
| 363 | * @access public |
| 364 | * |
| 365 | * @deprecated since 4.8.1 |
| 366 | * |
| 367 | * @param object $relationship A row object from the term_relationships table. |
| 368 | * @return object|bool A term object, or false if term taxonomy doesn't exist. |
| 369 | */ |
| 370 | public function expand_terms_for_relationship( $relationship ) { |
| 371 | _deprecated_function( __METHOD__, '4.8.1' ); |
| 372 | |
| 373 | return get_term_by( 'term_taxonomy_id', $relationship->term_taxonomy_id ); |
| 374 | } |
| 375 | |
| 376 | /** |
| 377 | * Prepare raw terms and return them in a standard format. |
| 378 | * |
| 379 | * @param array $terms An array of raw term objects. |
| 380 | * @return array An array of term objects. |
| 381 | */ |
| 382 | private function expand_raw_terms( array $terms ) { |
| 383 | $objects = array(); |
| 384 | $columns = array( |
| 385 | 'term_id' => 'int', |
| 386 | 'name' => 'string', |
| 387 | 'slug' => 'string', |
| 388 | 'taxonomy' => 'string', |
| 389 | 'description' => 'string', |
| 390 | 'term_group' => 'int', |
| 391 | 'term_taxonomy_id' => 'int', |
| 392 | 'parent' => 'int', |
| 393 | 'count' => 'int', |
| 394 | ); |
| 395 | |
| 396 | foreach ( $terms as $term ) { |
| 397 | if ( ! array_key_exists( $term->term_id, $objects ) ) { |
| 398 | $t_array = array(); |
| 399 | |
| 400 | foreach ( $columns as $field => $type ) { |
| 401 | $value = $term->$field ?? ''; |
| 402 | $t_array[ $field ] = 'int' === $type ? (int) $value : $value; |
| 403 | } |
| 404 | // This will allow us to know on WPCOM that the term name is the raw one, coming from the DB. Useful with backwards compatibility in mind. |
| 405 | $t_array['raw_name'] = $t_array['name']; |
| 406 | |
| 407 | $objects[ $term->term_id ] = (object) $t_array; |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | return $objects; |
| 412 | } |
| 413 | |
| 414 | /** |
| 415 | * Prepare raw term taxonomies and return them in a standard format. |
| 416 | * |
| 417 | * @param array $term_taxonomies An array of raw term_taxonomy objects. |
| 418 | * @return array An array of term_taxonomy objects. |
| 419 | */ |
| 420 | private function expand_raw_term_taxonomies( array $term_taxonomies ) { |
| 421 | $objects = array(); |
| 422 | $columns = array( |
| 423 | 'term_id' => 'int', |
| 424 | 'taxonomy' => 'string', |
| 425 | 'description' => 'string', |
| 426 | 'term_taxonomy_id' => 'int', |
| 427 | 'parent' => 'int', |
| 428 | 'count' => 'int', |
| 429 | ); |
| 430 | |
| 431 | foreach ( $term_taxonomies as $tt ) { |
| 432 | if ( ! array_key_exists( $tt->term_taxonomy_id, $objects ) ) { |
| 433 | $t_array = array(); |
| 434 | |
| 435 | foreach ( $columns as $field => $type ) { |
| 436 | $value = $tt->$field ?? ''; |
| 437 | $t_array[ $field ] = 'int' === $type ? (int) $value : $value; |
| 438 | } |
| 439 | |
| 440 | $objects[ $tt->term_taxonomy_id ] = (object) $t_array; |
| 441 | } |
| 442 | } |
| 443 | |
| 444 | return $objects; |
| 445 | } |
| 446 | |
| 447 | /** |
| 448 | * Prepare raw term taxonomies and return them in a standard format. |
| 449 | * |
| 450 | * @param array $term_relationships An array of raw term_taxonomy objects. |
| 451 | * @return array An array of term_taxonomy objects or false. |
| 452 | */ |
| 453 | private function expand_raw_term_relationships( array $term_relationships ) { |
| 454 | $objects = array(); |
| 455 | $columns = array( |
| 456 | 'object_id' => 'int', |
| 457 | 'term_id' => 'int', |
| 458 | 'taxonomy' => 'string', |
| 459 | 'term_taxonomy_id' => 'int', |
| 460 | 'term_order' => 'int', |
| 461 | 'parent' => 'int', |
| 462 | 'count' => 'int', |
| 463 | ); |
| 464 | |
| 465 | foreach ( $term_relationships as $tt ) { |
| 466 | $object_id = (int) $tt->object_id; |
| 467 | |
| 468 | $relationship = array(); |
| 469 | foreach ( $columns as $field => $type ) { |
| 470 | $value = $tt->$field ?? ''; |
| 471 | $relationship[ $field ] = 'int' === $type ? (int) $value : $value; |
| 472 | } |
| 473 | |
| 474 | $relationship = (object) $relationship; |
| 475 | |
| 476 | if ( ! array_key_exists( $object_id, $objects ) ) { |
| 477 | $objects[ $object_id ] = (object) array( |
| 478 | 'object_id' => $object_id, |
| 479 | 'relationships' => array( $relationship ), |
| 480 | ); |
| 481 | } else { |
| 482 | $objects[ $object_id ]->relationships[] = $relationship; |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | return $objects; |
| 487 | } |
| 488 | } |