| 1 |
<?php |
| 2 |
/** |
| 3 |
* Indexable abstract class. |
| 4 |
* |
| 5 |
* An indexable is a type of "data" in WP e.g. post type, term, user, etc. |
| 6 |
* |
| 7 |
* @since 3.0 |
| 8 |
* @package elasticpress |
| 9 |
*/ |
| 10 |
|
| 11 |
namespace ElasticPress; |
| 12 |
|
| 13 |
use ElasticPress\Elasticsearch as Elasticsearch; |
| 14 |
use ElasticPress\SyncManager as SyncManager; |
| 15 |
use ElasticPress\QueryIntegration as QueryIntegration; |
| 16 |
|
| 17 |
if ( ! defined( 'ABSPATH' ) ) { |
| 18 |
exit; // Exit if accessed directly. |
| 19 |
} |
| 20 |
|
| 21 |
/** |
| 22 |
* An indexable is essentially a document type that can be indexed |
| 23 |
* and queried against |
| 24 |
* |
| 25 |
* @since 3.0 |
| 26 |
*/ |
| 27 |
abstract class Indexable { |
| 28 |
|
| 29 |
/** |
| 30 |
* Declaring an Indexable global means it won't have an index for each blog in |
| 31 |
* the network. Instead it will just have one index. There will also be no |
| 32 |
* network alias. |
| 33 |
* |
| 34 |
* @var boolean |
| 35 |
* @since 3.0 |
| 36 |
*/ |
| 37 |
public $global = false; |
| 38 |
|
| 39 |
/** |
| 40 |
* Instance of SyncManager. This should handle automated syncing of indexable |
| 41 |
* objects. |
| 42 |
* |
| 43 |
* @var SyncManager |
| 44 |
* @since 3.0 |
| 45 |
*/ |
| 46 |
public $sync_manager; |
| 47 |
|
| 48 |
/** |
| 49 |
* Instance of QueryIntegration. This should handle integrating with a default |
| 50 |
* WP query. |
| 51 |
* |
| 52 |
* @var QueryIntegration |
| 53 |
* @since 3.0 |
| 54 |
*/ |
| 55 |
public $query_integration; |
| 56 |
|
| 57 |
/** |
| 58 |
* Flag to indicate if the indexable has support for |
| 59 |
* `id_range` pagination method during a sync. |
| 60 |
* |
| 61 |
* @var boolean |
| 62 |
* @since 4.1.0 |
| 63 |
*/ |
| 64 |
public $support_indexing_advanced_pagination = false; |
| 65 |
|
| 66 |
/** |
| 67 |
* Indexable slug |
| 68 |
* |
| 69 |
* @since 4.5.0 |
| 70 |
* @var string |
| 71 |
*/ |
| 72 |
public $slug = ''; |
| 73 |
|
| 74 |
/** |
| 75 |
* Indexable labels |
| 76 |
* |
| 77 |
* @since 4.5.0 |
| 78 |
* @var array |
| 79 |
*/ |
| 80 |
public $labels = []; |
| 81 |
|
| 82 |
/** |
| 83 |
* Get number of bulk items to index per page |
| 84 |
* |
| 85 |
* @since 3.0 |
| 86 |
* @return int |
| 87 |
*/ |
| 88 |
public function get_bulk_items_per_page() { |
| 89 |
/** |
| 90 |
* Filter bulk items to sync per batch |
| 91 |
* |
| 92 |
* @hook ep_bulk_items_per_page |
| 93 |
* @param {int} $number Number of items per batch |
| 94 |
* @param {Indexable} $indexable Current indexable |
| 95 |
* @return {int} New number of items |
| 96 |
* @since 3.0 |
| 97 |
*/ |
| 98 |
return apply_filters( 'ep_bulk_items_per_page', 350, $this ); |
| 99 |
} |
| 100 |
|
| 101 |
/** |
| 102 |
* Get the name of the index. Each indexable needs a unique index name |
| 103 |
* |
| 104 |
* @param int $blog_id `null` means current blog. |
| 105 |
* @since 3.0 |
| 106 |
* @return string |
| 107 |
*/ |
| 108 |
public function get_index_name( $blog_id = null ) { |
| 109 |
if ( $this->global ) { |
| 110 |
$site_url = network_site_url(); |
| 111 |
|
| 112 |
if ( ! empty( $site_url ) ) { |
| 113 |
$index_name = preg_replace( '#https?://(www\.)?#i', '', $site_url ); |
| 114 |
$index_name = preg_replace( '#[^\w]#', '', $index_name ) . '-' . $this->slug; |
| 115 |
} else { |
| 116 |
$index_name = false; |
| 117 |
} |
| 118 |
} else { |
| 119 |
if ( ! $blog_id ) { |
| 120 |
$blog_id = get_current_blog_id(); |
| 121 |
} |
| 122 |
|
| 123 |
$site_url = get_site_url( $blog_id ); |
| 124 |
|
| 125 |
if ( ! empty( $site_url ) ) { |
| 126 |
$index_name = preg_replace( '#https?://(www\.)?#i', '', $site_url ); |
| 127 |
$index_name = preg_replace( '#[^\w]#', '', $index_name ) . '-' . $this->slug . '-' . $blog_id; |
| 128 |
} else { |
| 129 |
$index_name = false; |
| 130 |
} |
| 131 |
} |
| 132 |
|
| 133 |
$prefix = Utils\get_index_prefix(); |
| 134 |
|
| 135 |
if ( ! empty( $prefix ) ) { |
| 136 |
$index_name = $prefix . '-' . $index_name; |
| 137 |
} |
| 138 |
|
| 139 |
$index_name = strtolower( $index_name ); |
| 140 |
|
| 141 |
/** |
| 142 |
* Filter index name |
| 143 |
* |
| 144 |
* @hook ep_index_name |
| 145 |
* @param {string} $index_name Name of index |
| 146 |
* @param {int} $blog_id Blog ID |
| 147 |
* @param {Indexable} $indexable Current indexable |
| 148 |
* @return {string} Index name |
| 149 |
* @since 3.0 |
| 150 |
*/ |
| 151 |
return apply_filters( 'ep_index_name', $index_name, $blog_id, $this ); |
| 152 |
} |
| 153 |
|
| 154 |
/** |
| 155 |
* Get unique indexable network alias |
| 156 |
* |
| 157 |
* @since 3.0 |
| 158 |
* @return string |
| 159 |
*/ |
| 160 |
public function get_network_alias() { |
| 161 |
$url = network_site_url(); |
| 162 |
$slug = preg_replace( '#https?://(www\.)?#i', '', $url ); |
| 163 |
$slug = preg_replace( '#[^\w]#', '', $slug ); |
| 164 |
|
| 165 |
$alias = $slug . '-' . $this->slug . '-global'; |
| 166 |
|
| 167 |
$prefix = Utils\get_index_prefix(); |
| 168 |
|
| 169 |
if ( ! empty( $prefix ) ) { |
| 170 |
$alias = $prefix . '-' . $alias; |
| 171 |
} |
| 172 |
|
| 173 |
/** |
| 174 |
* Filter global/network Elasticsearch alias |
| 175 |
* |
| 176 |
* @hook ep_global_alias |
| 177 |
* @param {string} $number Current alias |
| 178 |
* @return {string} New alias |
| 179 |
*/ |
| 180 |
return apply_filters( 'ep_global_alias', $alias ); |
| 181 |
} |
| 182 |
|
| 183 |
/** |
| 184 |
* Delete unique indexable network alias |
| 185 |
* |
| 186 |
* @since 3.0 |
| 187 |
* @return boolean |
| 188 |
*/ |
| 189 |
public function delete_network_alias() { |
| 190 |
return Elasticsearch::factory()->delete_network_alias( $this->get_network_alias() ); |
| 191 |
} |
| 192 |
|
| 193 |
/** |
| 194 |
* Create unique indexable network alias |
| 195 |
* |
| 196 |
* @param array $indexes Array of indexes. |
| 197 |
* @since 3.0 |
| 198 |
* @return boolean |
| 199 |
*/ |
| 200 |
public function create_network_alias( $indexes ) { |
| 201 |
return Elasticsearch::factory()->create_network_alias( $indexes, $this->get_network_alias() ); |
| 202 |
} |
| 203 |
|
| 204 |
/** |
| 205 |
* Delete an object within the indexable |
| 206 |
* |
| 207 |
* @param int $object_id Object to delete. |
| 208 |
* @param boolean $blocking Whether to issue blocking HTTP request or not. |
| 209 |
* @since 3.0 |
| 210 |
* @return boolean |
| 211 |
*/ |
| 212 |
public function delete( $object_id, $blocking = true ) { |
| 213 |
/** |
| 214 |
* Fires before object deletion |
| 215 |
* |
| 216 |
* @hook ep_delete_{indexable_slug} |
| 217 |
* @param {int} $object_id ID of object being deleted |
| 218 |
* @param {string} $indexable_slug The slug of the indexable type that is being deleted |
| 219 |
*/ |
| 220 |
do_action( 'ep_delete_' . $this->slug, $object_id, $this->slug ); |
| 221 |
|
| 222 |
return Elasticsearch::factory()->delete_document( $this->get_index_name(), $this->slug, $object_id, $blocking ); |
| 223 |
} |
| 224 |
|
| 225 |
/** |
| 226 |
* Get an object within the indexable |
| 227 |
* |
| 228 |
* @param int $object_id Object to get. |
| 229 |
* @since 3.0 |
| 230 |
* @return boolean|array |
| 231 |
*/ |
| 232 |
public function get( $object_id ) { |
| 233 |
return Elasticsearch::factory()->get_document( $this->get_index_name(), $this->slug, $object_id ); |
| 234 |
} |
| 235 |
|
| 236 |
/** |
| 237 |
* Get objects within the indexable |
| 238 |
* |
| 239 |
* @param int $object_ids Array of object ids to get. |
| 240 |
* @since 3.6.0 |
| 241 |
* @return boolean|array |
| 242 |
*/ |
| 243 |
public function multi_get( $object_ids ) { |
| 244 |
return Elasticsearch::factory()->get_documents( $this->get_index_name(), $this->slug, $object_ids ); |
| 245 |
} |
| 246 |
|
| 247 |
/** |
| 248 |
* Delete an index within the indexable |
| 249 |
* |
| 250 |
* @param int $blog_id `null` means current blog. |
| 251 |
* @since 3.0 |
| 252 |
* @return boolean |
| 253 |
*/ |
| 254 |
public function delete_index( $blog_id = null ) { |
| 255 |
return Elasticsearch::factory()->delete_index( $this->get_index_name( $blog_id ) ); |
| 256 |
} |
| 257 |
|
| 258 |
/** |
| 259 |
* Index an object within the indexable. This calls prepare_document |
| 260 |
* |
| 261 |
* @param int $object_id Object to index. |
| 262 |
* @param boolean $blocking Blocking HTTP request or not. |
| 263 |
* @since 3.0 |
| 264 |
* @return boolean |
| 265 |
*/ |
| 266 |
public function index( $object_id, $blocking = false ) { |
| 267 |
$document = $this->prepare_document( $object_id ); |
| 268 |
|
| 269 |
if ( false === $document ) { |
| 270 |
return false; |
| 271 |
} |
| 272 |
|
| 273 |
/** |
| 274 |
* Conditionally kill indexing on a specific object |
| 275 |
* |
| 276 |
* @hook ep_{indexable_slug}_index_kill |
| 277 |
* @param {bool} $kill True to not index |
| 278 |
* @param {int} $object_id Id of object to index |
| 279 |
* @since 3.0 |
| 280 |
* @return {bool} New kill value |
| 281 |
*/ |
| 282 |
if ( apply_filters( 'ep_' . $this->slug . '_index_kill', false, $object_id ) ) { |
| 283 |
return false; |
| 284 |
} |
| 285 |
|
| 286 |
/** |
| 287 |
* Filter document before index |
| 288 |
* |
| 289 |
* @hook ep_pre_index_{indexable_slug} |
| 290 |
* @param {array} $document Document to index |
| 291 |
* @return {array} New document |
| 292 |
* @since 3.0 |
| 293 |
*/ |
| 294 |
$document = apply_filters( 'ep_pre_index_' . $this->slug, $document ); |
| 295 |
|
| 296 |
$return = Elasticsearch::factory()->index_document( $this->get_index_name(), $this->slug, $document, $blocking ); |
| 297 |
|
| 298 |
/** |
| 299 |
* Fires after document is indexed |
| 300 |
* |
| 301 |
* @hook ep_after_index_{indexable_slug} |
| 302 |
* @param {array} $document Document to index |
| 303 |
* @param {array|boolean} $return ES response on success, false on failure |
| 304 |
* @since 3.0 |
| 305 |
*/ |
| 306 |
do_action( 'ep_after_index_' . $this->slug, $document, $return ); |
| 307 |
|
| 308 |
return $return; |
| 309 |
} |
| 310 |
|
| 311 |
/** |
| 312 |
* Determine if indexable index exists |
| 313 |
* |
| 314 |
* @param int $blog_id Blog to check index for. |
| 315 |
* @since 3.0 |
| 316 |
* @return boolean |
| 317 |
*/ |
| 318 |
public function index_exists( $blog_id = null ) { |
| 319 |
return Elasticsearch::factory()->index_exists( $this->get_index_name( $blog_id ) ); |
| 320 |
} |
| 321 |
|
| 322 |
/** |
| 323 |
* Bulk index objects. This calls prepare_document on each object |
| 324 |
* |
| 325 |
* @param array $object_ids Array of object IDs. |
| 326 |
* @since 3.0 |
| 327 |
* @return WP_Error|array |
| 328 |
*/ |
| 329 |
public function bulk_index( $object_ids ) { |
| 330 |
$body = ''; |
| 331 |
|
| 332 |
foreach ( $object_ids as $object_id ) { |
| 333 |
$action_args = array( |
| 334 |
'index' => array( |
| 335 |
'_id' => absint( $object_id ), |
| 336 |
), |
| 337 |
); |
| 338 |
|
| 339 |
$document = $this->prepare_document( $object_id ); |
| 340 |
|
| 341 |
/** |
| 342 |
* Conditionally kill indexing on a specific object |
| 343 |
* |
| 344 |
* @hook ep_bulk_index_action_args |
| 345 |
* @param {array} $action_args Bulk action arguments |
| 346 |
* @param {array} $document Document to index |
| 347 |
* @since 3.0 |
| 348 |
* @return {array} New action args |
| 349 |
*/ |
| 350 |
$body .= wp_json_encode( apply_filters( 'ep_bulk_index_action_args', $action_args, $document ) ) . "\n"; |
| 351 |
$body .= addcslashes( wp_json_encode( $document ), "\n" ); |
| 352 |
|
| 353 |
$body .= "\n\n"; |
| 354 |
} |
| 355 |
|
| 356 |
$result = Elasticsearch::factory()->bulk_index( $this->get_index_name(), $this->slug, $body ); |
| 357 |
|
| 358 |
/** |
| 359 |
* Perform actions after a bulk indexing is completed |
| 360 |
* |
| 361 |
* @hook ep_after_bulk_index |
| 362 |
* @param {array} $object_ids List of object ids attempted to be indexed |
| 363 |
* @param {string} $slug Current indexable slug |
| 364 |
* @param {array|bool} $result Result of the Elasticsearch query. False on error. |
| 365 |
*/ |
| 366 |
do_action( 'ep_after_bulk_index', $object_ids, $this->slug, $result ); |
| 367 |
|
| 368 |
return $result; |
| 369 |
} |
| 370 |
|
| 371 |
/** |
| 372 |
* Bulk index objects but with a dynamic size of queue. |
| 373 |
* |
| 374 |
* @since 4.0.0 |
| 375 |
* @param array $object_ids Array of object IDs. |
| 376 |
* @return array[WP_Error|array] The return of each request made. |
| 377 |
*/ |
| 378 |
public function bulk_index_dynamically( $object_ids ) { |
| 379 |
$documents = []; |
| 380 |
|
| 381 |
foreach ( $object_ids as $object_id ) { |
| 382 |
$action_args = array( |
| 383 |
'index' => array( |
| 384 |
'_id' => absint( $object_id ), |
| 385 |
), |
| 386 |
); |
| 387 |
|
| 388 |
$document = $this->prepare_document( $object_id ); |
| 389 |
|
| 390 |
/** |
| 391 |
* Conditionally kill indexing on a specific object |
| 392 |
* |
| 393 |
* @hook ep_bulk_index_action_args |
| 394 |
* @param {array} $action_args Bulk action arguments |
| 395 |
* @param {array} $document Document to index |
| 396 |
* @since 3.0 |
| 397 |
* @return {array} New action args |
| 398 |
*/ |
| 399 |
$document_str = wp_json_encode( apply_filters( 'ep_bulk_index_action_args', $action_args, $document ) ) . "\n"; |
| 400 |
$document_str .= addcslashes( wp_json_encode( $document ), "\n" ); |
| 401 |
$document_str .= "\n\n"; |
| 402 |
|
| 403 |
$documents[] = $document_str; |
| 404 |
} |
| 405 |
|
| 406 |
$results = $this->send_bulk_index_request( $documents ); |
| 407 |
|
| 408 |
/** |
| 409 |
* Perform actions after a dynamic bulk indexing is completed |
| 410 |
* |
| 411 |
* @hook ep_after_bulk_index_dynamically |
| 412 |
* @since 4.0.0 |
| 413 |
* @param {array} $object_ids List of object ids attempted to be indexed |
| 414 |
* @param {string} $slug Current indexable slug |
| 415 |
* @param {array|bool} $result Result of the Elasticsearch query. False on error. |
| 416 |
*/ |
| 417 |
do_action( 'ep_after_bulk_index_dynamically', $object_ids, $this->slug, $results ); |
| 418 |
|
| 419 |
return $results; |
| 420 |
} |
| 421 |
|
| 422 |
/** |
| 423 |
* Bulk index documents through several requests with dynamic size. |
| 424 |
* |
| 425 |
* @param array $documents The documents to be sent to Elasticsearch (already formatted.) |
| 426 |
* @return array[WP_Error|array] |
| 427 |
*/ |
| 428 |
protected function send_bulk_index_request( $documents ) { |
| 429 |
static $min_buffer_size, $max_buffer_size, $current_buffer_size, $incremental_step; |
| 430 |
|
| 431 |
if ( ! $min_buffer_size ) { |
| 432 |
/** |
| 433 |
* Filter the minimum buffer size for dynamic bulk index requests. |
| 434 |
* |
| 435 |
* @hook ep_dynamic_bulk_min_buffer_size |
| 436 |
* @since 4.0.0 |
| 437 |
* @param {int} $min_buffer_size Min buffer size for dynamic bulk index (in bytes.) |
| 438 |
* @return {int} New size. |
| 439 |
*/ |
| 440 |
$min_buffer_size = apply_filters( 'ep_dynamic_bulk_min_buffer_size', MB_IN_BYTES / 2 ); |
| 441 |
} |
| 442 |
|
| 443 |
if ( ! $max_buffer_size ) { |
| 444 |
/** |
| 445 |
* Filter the max buffer size for dynamic bulk index requests. |
| 446 |
* |
| 447 |
* @hook ep_dynamic_bulk_max_buffer_size |
| 448 |
* @since 4.0.0 |
| 449 |
* @param {int} $max_buffer_size Max buffer size for dynamic bulk index (in bytes.) |
| 450 |
* @return {int} New size. |
| 451 |
*/ |
| 452 |
$max_buffer_size = apply_filters( 'ep_dynamic_bulk_max_buffer_size', 150 * MB_IN_BYTES ); |
| 453 |
} |
| 454 |
|
| 455 |
if ( ! $incremental_step ) { |
| 456 |
/** |
| 457 |
* Filter the number of bytes the current buffer size should be incremented in case of success. |
| 458 |
* |
| 459 |
* @hook ep_dynamic_bulk_incremental_step |
| 460 |
* @since 4.0.0 |
| 461 |
* @param {int} $incremental_step Number of bytes to add to the current buffer size. |
| 462 |
* @return {int} New incremental step. |
| 463 |
*/ |
| 464 |
$incremental_step = apply_filters( 'ep_dynamic_bulk_incremental_step', MB_IN_BYTES / 2 ); |
| 465 |
} |
| 466 |
|
| 467 |
/** |
| 468 |
* Perform actions before a new batch of documents is processed. |
| 469 |
* |
| 470 |
* @hook ep_before_send_dynamic_bulk_requests |
| 471 |
* @since 4.0.0 |
| 472 |
* @param {array} $documents Array of documents to be sent to Elasticsearch. |
| 473 |
*/ |
| 474 |
do_action( 'ep_before_send_dynamic_bulk_requests', $documents ); |
| 475 |
|
| 476 |
if ( ! $current_buffer_size ) { |
| 477 |
$current_buffer_size = $min_buffer_size; |
| 478 |
} |
| 479 |
|
| 480 |
$results = []; |
| 481 |
|
| 482 |
$body = []; |
| 483 |
|
| 484 |
$requests = 0; |
| 485 |
|
| 486 |
/* |
| 487 |
* This script will use two main arrays: $body and $documents, being $body the |
| 488 |
* documents to be sent in the next request and $documents the list of docs to be indexed. |
| 489 |
* The do-while loop will stop if all documents are sent or if a request fails even sending |
| 490 |
* a buffer as small as possible. |
| 491 |
*/ |
| 492 |
do { |
| 493 |
$next_document = array_shift( $documents ); |
| 494 |
|
| 495 |
// If the next document alone takes the entire current buffer size, |
| 496 |
// let's add it back to the pipe and send what we have first |
| 497 |
if ( mb_strlen( $next_document ) > $current_buffer_size && count( $body ) > 0 ) { |
| 498 |
array_unshift( $documents, $next_document ); |
| 499 |
} else { |
| 500 |
if ( mb_strlen( $next_document ) > $max_buffer_size ) { |
| 501 |
/** |
| 502 |
* Perform actions when a post is bigger than the max buffer size. |
| 503 |
* |
| 504 |
* @hook ep_dynamic_bulk_post_too_big |
| 505 |
* @since 4.0.0 |
| 506 |
* @param {string} $document JSON string of the post detected as too big. |
| 507 |
*/ |
| 508 |
do_action( 'ep_dynamic_bulk_post_too_big', $next_document ); |
| 509 |
$results[] = new \WP_Error( 'ep_too_big_request_skipped', 'Indexable too big. Request not sent.' ); |
| 510 |
continue; |
| 511 |
} |
| 512 |
$body[] = $next_document; |
| 513 |
if ( mb_strlen( implode( '', $body ) ) < $current_buffer_size && ! empty( $documents ) ) { |
| 514 |
continue; |
| 515 |
} |
| 516 |
if ( mb_strlen( implode( '', $body ) ) > $max_buffer_size ) { |
| 517 |
// The last document added to body made it too big, so let's give it back. |
| 518 |
array_unshift( $documents, array_pop( $body ) ); |
| 519 |
} |
| 520 |
} |
| 521 |
|
| 522 |
// Try the request. |
| 523 |
timer_start(); |
| 524 |
$result = Elasticsearch::factory()->bulk_index( $this->get_index_name(), $this->slug, implode( '', $body ) ); |
| 525 |
$request_time = timer_stop(); |
| 526 |
$requests++; |
| 527 |
|
| 528 |
/** |
| 529 |
* Perform actions before a new batch of documents is processed. |
| 530 |
* |
| 531 |
* @hook ep_after_send_dynamic_bulk_request |
| 532 |
* @since 4.0.0 |
| 533 |
* @param {WP_Error|array} $result Result of the request. |
| 534 |
* @param {array} $body Array of documents sent to Elasticsearch. |
| 535 |
* @param {array} $documents Array of documents to be sent to Elasticsearch. |
| 536 |
* @param {int} $min_buffer_size Min buffer size for dynamic bulk index (in bytes.) |
| 537 |
* @param {int} $max_buffer_size Max buffer size for dynamic bulk index (in bytes.) |
| 538 |
* @param {int} $current_buffer_size Current buffer size for dynamic bulk index (in bytes.) |
| 539 |
* @param {int} $request_time Total time of the request. |
| 540 |
*/ |
| 541 |
do_action( 'ep_after_send_dynamic_bulk_request', $result, $body, $documents, $min_buffer_size, $max_buffer_size, $current_buffer_size, $request_time ); |
| 542 |
|
| 543 |
// It failed, possibly adjust the buffer size and try again. |
| 544 |
if ( is_wp_error( $result ) ) { |
| 545 |
// Too many requests, wait and try again. |
| 546 |
if ( 429 === $result->get_error_code() ) { |
| 547 |
sleep( 2 ); |
| 548 |
} |
| 549 |
|
| 550 |
// If the error is not a "Request too big" then we really fail this batch of documents. |
| 551 |
if ( 413 !== $result->get_error_code() ) { |
| 552 |
$results[] = $result; |
| 553 |
continue; |
| 554 |
} |
| 555 |
|
| 556 |
if ( count( $body ) === 1 ) { |
| 557 |
$max_buffer_size = min( $max_buffer_size, mb_strlen( implode( '', $body ) ) ); |
| 558 |
$results[] = $result; |
| 559 |
$body = []; |
| 560 |
continue; |
| 561 |
} |
| 562 |
|
| 563 |
// As the buffer is as small as possible, return the error. |
| 564 |
if ( mb_strlen( implode( '', $body ) ) === $min_buffer_size ) { |
| 565 |
$results[] = $result; |
| 566 |
continue; |
| 567 |
} |
| 568 |
|
| 569 |
// We have a too big buffer. Remove one doc from the body, and set both max and current as its size. |
| 570 |
array_unshift( $documents, array_pop( $body ) ); |
| 571 |
|
| 572 |
$max_buffer_size = count( $body ) ? |
| 573 |
max( $min_buffer_size, mb_strlen( implode( '', $body ) ) ) : |
| 574 |
$min_buffer_size; |
| 575 |
|
| 576 |
$current_buffer_size = $max_buffer_size; |
| 577 |
continue; |
| 578 |
} |
| 579 |
|
| 580 |
// Things worked so we can try to bump the buffer size. |
| 581 |
if ( $current_buffer_size < $max_buffer_size && mb_strlen( implode( '', $body ) ) > $current_buffer_size ) { |
| 582 |
$current_buffer_size = min( ( $current_buffer_size + $incremental_step ), $max_buffer_size ); |
| 583 |
} |
| 584 |
|
| 585 |
$results[] = $result; |
| 586 |
|
| 587 |
$body = []; |
| 588 |
} while ( ! empty( $documents ) ); |
| 589 |
|
| 590 |
/** |
| 591 |
* Perform actions after a batch of documents was processed. |
| 592 |
* |
| 593 |
* @hook ep_after_send_dynamic_bulk_requests |
| 594 |
* @since 4.0.0 |
| 595 |
* @param {array} $results Array of results sent. |
| 596 |
* @param {int} $requests Number of all requests sent. |
| 597 |
*/ |
| 598 |
do_action( 'ep_after_send_dynamic_bulk_requests', $results, $requests ); |
| 599 |
|
| 600 |
return $results; |
| 601 |
} |
| 602 |
|
| 603 |
/** |
| 604 |
* Query Elasticsearch for documents |
| 605 |
* |
| 606 |
* @param array $formatted_args Formatted es query arguments. |
| 607 |
* @param array $query_args WP_Query args. |
| 608 |
* @param string $index Index(es) to query. Comma separate for multiple. Defaults to current. |
| 609 |
* @param mixed $query_object Could be WP_Query, WP_User_Query, etc. |
| 610 |
* @since 3.0 |
| 611 |
* @return array |
| 612 |
*/ |
| 613 |
public function query_es( $formatted_args, $query_args, $index = null, $query_object = null ) { |
| 614 |
if ( null === $index ) { |
| 615 |
$index = $this->get_index_name(); |
| 616 |
} |
| 617 |
|
| 618 |
return Elasticsearch::factory()->query( $index, $this->slug, $formatted_args, $query_args, $query_object ); |
| 619 |
} |
| 620 |
|
| 621 |
/** |
| 622 |
* Check to see if we should allow elasticpress to override this query |
| 623 |
* |
| 624 |
* @param \WP_Query|\WP_User_Query|\WP_Term_Query $query WP_Query or WP_User_Query or WP_Term_Query instance |
| 625 |
* @return bool |
| 626 |
* @since 3.0 |
| 627 |
*/ |
| 628 |
public function elasticpress_enabled( $query ) { |
| 629 |
$enabled = false; |
| 630 |
|
| 631 |
if ( ! empty( $query->query_vars['ep_integrate'] ) ) { |
| 632 |
$enabled = true; |
| 633 |
} |
| 634 |
|
| 635 |
/** |
| 636 |
* Determine if ElasticPress should integrate with a query |
| 637 |
* |
| 638 |
* @hook ep_elasticpress_enabled |
| 639 |
* @param {bool} $enabled Whether to integrate with Elasticsearch or not |
| 640 |
* @param {WP_Query} $query WP_Query to evaluate |
| 641 |
* @return {bool} Enabled value |
| 642 |
*/ |
| 643 |
$enabled = apply_filters( 'ep_elasticpress_enabled', $enabled, $query ); |
| 644 |
|
| 645 |
if ( isset( $query->query_vars['ep_integrate'] ) && ! filter_var( $query->query_vars['ep_integrate'], FILTER_VALIDATE_BOOLEAN ) ) { |
| 646 |
$enabled = false; |
| 647 |
} |
| 648 |
|
| 649 |
return $enabled; |
| 650 |
} |
| 651 |
|
| 652 |
/** |
| 653 |
* Prepare meta type values to send to ES |
| 654 |
* |
| 655 |
* @param array $meta Array of meta. |
| 656 |
* @since 3.0 |
| 657 |
* @return array |
| 658 |
*/ |
| 659 |
public function prepare_meta_types( $meta ) { |
| 660 |
|
| 661 |
$prepared_meta = []; |
| 662 |
|
| 663 |
foreach ( $meta as $meta_key => $meta_values ) { |
| 664 |
if ( ! is_array( $meta_values ) ) { |
| 665 |
$meta_values = array( $meta_values ); |
| 666 |
} |
| 667 |
|
| 668 |
$prepared_meta[ $meta_key ] = array_map( array( $this, 'prepare_meta_value_types' ), $meta_values ); |
| 669 |
} |
| 670 |
|
| 671 |
return $prepared_meta; |
| 672 |
|
| 673 |
} |
| 674 |
|
| 675 |
/** |
| 676 |
* Prepare meta types for meta value |
| 677 |
* |
| 678 |
* @param mixed $meta_value Meta value to prepare. |
| 679 |
* @since 3.0 |
| 680 |
* @return array |
| 681 |
*/ |
| 682 |
public function prepare_meta_value_types( $meta_value ) { |
| 683 |
|
| 684 |
$max_java_int_value = PHP_INT_MAX; |
| 685 |
|
| 686 |
$meta_types = []; |
| 687 |
|
| 688 |
if ( is_array( $meta_value ) || is_object( $meta_value ) ) { |
| 689 |
$meta_value = serialize( $meta_value ); // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize |
| 690 |
} |
| 691 |
|
| 692 |
$meta_types['value'] = $meta_value; |
| 693 |
$meta_types['raw'] = $meta_value; |
| 694 |
|
| 695 |
if ( is_numeric( $meta_value ) ) { |
| 696 |
$long = intval( $meta_value ); |
| 697 |
|
| 698 |
if ( $max_java_int_value < $long ) { |
| 699 |
$long = $max_java_int_value; |
| 700 |
} |
| 701 |
|
| 702 |
$double = floatval( $meta_value ); |
| 703 |
|
| 704 |
if ( ! is_finite( $double ) ) { |
| 705 |
$double = 0; |
| 706 |
} |
| 707 |
|
| 708 |
$meta_types['long'] = $long; |
| 709 |
$meta_types['double'] = $double; |
| 710 |
} |
| 711 |
|
| 712 |
$meta_types['boolean'] = filter_var( $meta_value, FILTER_VALIDATE_BOOLEAN ); |
| 713 |
|
| 714 |
$meta_types = $this->prepare_date_meta_values( $meta_types, $meta_value ); |
| 715 |
|
| 716 |
return $meta_types; |
| 717 |
} |
| 718 |
|
| 719 |
/** |
| 720 |
* Checks if a meta_value is a valid date and prepare extra meta-data. |
| 721 |
* |
| 722 |
* @param array $meta_types Array of currently prepared data |
| 723 |
* @param string $meta_value Meta value to prepare. |
| 724 |
* |
| 725 |
* @return array |
| 726 |
*/ |
| 727 |
public function prepare_date_meta_values( $meta_types, $meta_value ) { |
| 728 |
|
| 729 |
if ( empty( $meta_value ) || ! is_string( $meta_value ) ) { |
| 730 |
return $meta_types; |
| 731 |
} |
| 732 |
|
| 733 |
$meta_types['date'] = '1970-01-01'; |
| 734 |
$meta_types['datetime'] = '1970-01-01 00:00:01'; |
| 735 |
$meta_types['time'] = '00:00:01'; |
| 736 |
|
| 737 |
// is this is a recognizable date format? |
| 738 |
$new_date = date_create( $meta_value, \wp_timezone() ); |
| 739 |
if ( $new_date ) { |
| 740 |
$timestamp = $new_date->getTimestamp(); |
| 741 |
|
| 742 |
/** |
| 743 |
* Filter the maximum year limit for date conversion. |
| 744 |
* |
| 745 |
* Use default date if year is greater than max limit. EP has limitation that doesn't allow to have year greater than 2099. |
| 746 |
* |
| 747 |
* @see https://github.com/10up/ElasticPress/issues/2769 |
| 748 |
* |
| 749 |
* @hook ep_max_year_limit |
| 750 |
* @param {int} $year Maximum year limit. |
| 751 |
* @return {int} Maximum year limit. |
| 752 |
* @since 4.2.1 |
| 753 |
*/ |
| 754 |
$max_year = apply_filters( 'ep_max_year_limit', 2099 ); |
| 755 |
|
| 756 |
// PHP allows DateTime to build dates with the non-existing year 0000, and this causes |
| 757 |
// issues when integrating into stricter systems. This is by design: |
| 758 |
// https://bugs.php.net/bug.php?id=60288 |
| 759 |
if ( false !== $timestamp && '0000' !== $new_date->format( 'Y' ) && $new_date->format( 'Y' ) <= $max_year ) { |
| 760 |
$meta_types['date'] = $new_date->format( 'Y-m-d' ); |
| 761 |
$meta_types['datetime'] = $new_date->format( 'Y-m-d H:i:s' ); |
| 762 |
$meta_types['time'] = $new_date->format( 'H:i:s' ); |
| 763 |
} |
| 764 |
} |
| 765 |
|
| 766 |
return $meta_types; |
| 767 |
} |
| 768 |
|
| 769 |
/** |
| 770 |
* Build Elasticsearch filter query for WP meta_query |
| 771 |
* |
| 772 |
* @since 2.2 |
| 773 |
* @param array $meta_queries Array of queries |
| 774 |
* @return array |
| 775 |
*/ |
| 776 |
public function build_meta_query( $meta_queries ) { |
| 777 |
$meta_filter = []; |
| 778 |
|
| 779 |
$outer_relation = 'must'; |
| 780 |
if ( ! empty( $meta_queries['relation'] ) && 'or' === strtolower( $meta_queries['relation'] ) ) { |
| 781 |
$outer_relation = 'should'; |
| 782 |
} |
| 783 |
|
| 784 |
$meta_query_type_mapping = [ |
| 785 |
'numeric' => 'long', |
| 786 |
'binary' => 'raw', |
| 787 |
'char' => 'raw', |
| 788 |
'date' => 'date', |
| 789 |
'datetime' => 'datetime', |
| 790 |
'decimal' => 'double', |
| 791 |
'signed' => 'long', |
| 792 |
'time' => 'time', |
| 793 |
'unsigned' => 'long', |
| 794 |
]; |
| 795 |
|
| 796 |
foreach ( $meta_queries as $single_meta_query ) { |
| 797 |
if ( ! empty( $single_meta_query['key'] ) ) { |
| 798 |
|
| 799 |
$terms_obj = false; |
| 800 |
|
| 801 |
$compare = '='; |
| 802 |
if ( ! empty( $single_meta_query['compare'] ) ) { |
| 803 |
$compare = strtolower( $single_meta_query['compare'] ); |
| 804 |
} elseif ( ! isset( $single_meta_query['value'] ) ) { |
| 805 |
$compare = 'exists'; |
| 806 |
} |
| 807 |
|
| 808 |
$type = null; |
| 809 |
if ( ! empty( $single_meta_query['type'] ) ) { |
| 810 |
$type = strtolower( $single_meta_query['type'] ); |
| 811 |
} |
| 812 |
|
| 813 |
// Comparisons need to look at different paths |
| 814 |
if ( in_array( $compare, array( 'exists', 'not exists' ), true ) ) { |
| 815 |
$meta_key_path = 'meta.' . $single_meta_query['key']; |
| 816 |
} elseif ( in_array( $compare, array( '=', '!=' ), true ) && ! $type ) { |
| 817 |
$meta_key_path = 'meta.' . $single_meta_query['key'] . '.raw'; |
| 818 |
} elseif ( in_array( $compare, array( 'like', 'not like' ), true ) ) { |
| 819 |
$meta_key_path = 'meta.' . $single_meta_query['key'] . '.value'; |
| 820 |
} elseif ( $type && isset( $meta_query_type_mapping[ $type ] ) ) { |
| 821 |
// Map specific meta field types to different Elasticsearch core types |
| 822 |
$meta_key_path = 'meta.' . $single_meta_query['key'] . '.' . $meta_query_type_mapping[ $type ]; |
| 823 |
} elseif ( in_array( $compare, array( '>=', '<=', '>', '<', 'between', 'not between' ), true ) ) { |
| 824 |
$meta_key_path = 'meta.' . $single_meta_query['key'] . '.double'; |
| 825 |
} else { |
| 826 |
$meta_key_path = 'meta.' . $single_meta_query['key'] . '.raw'; |
| 827 |
} |
| 828 |
|
| 829 |
switch ( $compare ) { |
| 830 |
case 'not in': |
| 831 |
case '!=': |
| 832 |
if ( isset( $single_meta_query['value'] ) ) { |
| 833 |
$terms_obj = array( |
| 834 |
'bool' => array( |
| 835 |
'must_not' => array( |
| 836 |
array( |
| 837 |
'terms' => array( |
| 838 |
$meta_key_path => (array) $single_meta_query['value'], |
| 839 |
), |
| 840 |
), |
| 841 |
), |
| 842 |
), |
| 843 |
); |
| 844 |
} |
| 845 |
|
| 846 |
break; |
| 847 |
case 'exists': |
| 848 |
$terms_obj = array( |
| 849 |
'exists' => array( |
| 850 |
'field' => $meta_key_path, |
| 851 |
), |
| 852 |
); |
| 853 |
|
| 854 |
break; |
| 855 |
case 'not exists': |
| 856 |
$terms_obj = array( |
| 857 |
'bool' => array( |
| 858 |
'must_not' => array( |
| 859 |
array( |
| 860 |
'exists' => array( |
| 861 |
'field' => $meta_key_path, |
| 862 |
), |
| 863 |
), |
| 864 |
), |
| 865 |
), |
| 866 |
); |
| 867 |
|
| 868 |
break; |
| 869 |
case '>=': |
| 870 |
if ( isset( $single_meta_query['value'] ) ) { |
| 871 |
$terms_obj = array( |
| 872 |
'bool' => array( |
| 873 |
'must' => array( |
| 874 |
array( |
| 875 |
'range' => array( |
| 876 |
$meta_key_path => array( |
| 877 |
'gte' => $single_meta_query['value'], |
| 878 |
), |
| 879 |
), |
| 880 |
), |
| 881 |
), |
| 882 |
), |
| 883 |
); |
| 884 |
} |
| 885 |
|
| 886 |
break; |
| 887 |
case 'between': |
| 888 |
if ( isset( $single_meta_query['value'] ) && is_array( $single_meta_query['value'] ) && 2 === count( $single_meta_query['value'] ) ) { |
| 889 |
$terms_obj = array( |
| 890 |
'bool' => array( |
| 891 |
'must' => array( |
| 892 |
array( |
| 893 |
'range' => array( |
| 894 |
$meta_key_path => array( |
| 895 |
'gte' => $single_meta_query['value'][0], |
| 896 |
), |
| 897 |
), |
| 898 |
), |
| 899 |
array( |
| 900 |
'range' => array( |
| 901 |
$meta_key_path => array( |
| 902 |
'lte' => $single_meta_query['value'][1], |
| 903 |
), |
| 904 |
), |
| 905 |
), |
| 906 |
), |
| 907 |
), |
| 908 |
); |
| 909 |
} |
| 910 |
|
| 911 |
break; |
| 912 |
case 'not between': |
| 913 |
if ( isset( $single_meta_query['value'] ) && is_array( $single_meta_query['value'] ) && 2 === count( $single_meta_query['value'] ) ) { |
| 914 |
$terms_obj = array( |
| 915 |
'bool' => array( |
| 916 |
'should' => array( |
| 917 |
array( |
| 918 |
'range' => array( |
| 919 |
$meta_key_path => array( |
| 920 |
'lte' => $single_meta_query['value'][0], |
| 921 |
), |
| 922 |
), |
| 923 |
), |
| 924 |
array( |
| 925 |
'range' => array( |
| 926 |
$meta_key_path => array( |
| 927 |
'gte' => $single_meta_query['value'][1], |
| 928 |
), |
| 929 |
), |
| 930 |
), |
| 931 |
), |
| 932 |
), |
| 933 |
); |
| 934 |
} |
| 935 |
|
| 936 |
break; |
| 937 |
case '<=': |
| 938 |
if ( isset( $single_meta_query['value'] ) ) { |
| 939 |
$terms_obj = array( |
| 940 |
'bool' => array( |
| 941 |
'must' => array( |
| 942 |
array( |
| 943 |
'range' => array( |
| 944 |
$meta_key_path => array( |
| 945 |
'lte' => $single_meta_query['value'], |
| 946 |
), |
| 947 |
), |
| 948 |
), |
| 949 |
), |
| 950 |
), |
| 951 |
); |
| 952 |
} |
| 953 |
|
| 954 |
break; |
| 955 |
case '>': |
| 956 |
if ( isset( $single_meta_query['value'] ) ) { |
| 957 |
$terms_obj = array( |
| 958 |
'bool' => array( |
| 959 |
'must' => array( |
| 960 |
array( |
| 961 |
'range' => array( |
| 962 |
$meta_key_path => array( |
| 963 |
'gt' => $single_meta_query['value'], |
| 964 |
), |
| 965 |
), |
| 966 |
), |
| 967 |
), |
| 968 |
), |
| 969 |
); |
| 970 |
} |
| 971 |
|
| 972 |
break; |
| 973 |
case '<': |
| 974 |
if ( isset( $single_meta_query['value'] ) ) { |
| 975 |
$terms_obj = array( |
| 976 |
'bool' => array( |
| 977 |
'must' => array( |
| 978 |
array( |
| 979 |
'range' => array( |
| 980 |
$meta_key_path => array( |
| 981 |
'lt' => $single_meta_query['value'], |
| 982 |
), |
| 983 |
), |
| 984 |
), |
| 985 |
), |
| 986 |
), |
| 987 |
); |
| 988 |
} |
| 989 |
|
| 990 |
break; |
| 991 |
case 'like': |
| 992 |
if ( isset( $single_meta_query['value'] ) ) { |
| 993 |
$terms_obj = array( |
| 994 |
'match_phrase' => array( |
| 995 |
$meta_key_path => $single_meta_query['value'], |
| 996 |
), |
| 997 |
); |
| 998 |
} |
| 999 |
break; |
| 1000 |
case 'not like': |
| 1001 |
if ( isset( $single_meta_query['value'] ) ) { |
| 1002 |
$terms_obj = array( |
| 1003 |
'bool' => array( |
| 1004 |
'must_not' => array( |
| 1005 |
array( |
| 1006 |
'match_phrase' => array( |
| 1007 |
$meta_key_path => $single_meta_query['value'], |
| 1008 |
), |
| 1009 |
), |
| 1010 |
), |
| 1011 |
), |
| 1012 |
); |
| 1013 |
} |
| 1014 |
break; |
| 1015 |
case '=': |
| 1016 |
default: |
| 1017 |
if ( isset( $single_meta_query['value'] ) ) { |
| 1018 |
$terms_obj = array( |
| 1019 |
'terms' => array( |
| 1020 |
$meta_key_path => (array) $single_meta_query['value'], |
| 1021 |
), |
| 1022 |
); |
| 1023 |
} |
| 1024 |
|
| 1025 |
break; |
| 1026 |
} |
| 1027 |
|
| 1028 |
// Add the meta query filter |
| 1029 |
if ( false !== $terms_obj ) { |
| 1030 |
$meta_filter[] = $terms_obj; |
| 1031 |
} |
| 1032 |
} elseif ( is_array( $single_meta_query ) ) { |
| 1033 |
/** |
| 1034 |
* Handle multidimensional array. Something like: |
| 1035 |
* |
| 1036 |
* 'meta_query' => array( |
| 1037 |
* 'relation' => 'AND', |
| 1038 |
* array( |
| 1039 |
* 'key' => 'meta_key_1', |
| 1040 |
* 'value' => '1', |
| 1041 |
* ), |
| 1042 |
* array( |
| 1043 |
* 'relation' => 'OR', |
| 1044 |
* array( |
| 1045 |
* 'key' => 'meta_key_2', |
| 1046 |
* 'value' => '2', |
| 1047 |
* ), |
| 1048 |
* array( |
| 1049 |
* 'key' => 'meta_key_3', |
| 1050 |
* 'value' => '4', |
| 1051 |
* ), |
| 1052 |
* ), |
| 1053 |
* ), |
| 1054 |
*/ |
| 1055 |
$inner_relation = 'must'; |
| 1056 |
if ( ! empty( $single_meta_query['relation'] ) && 'or' === strtolower( $single_meta_query['relation'] ) ) { |
| 1057 |
$inner_relation = 'should'; |
| 1058 |
} |
| 1059 |
|
| 1060 |
$meta_filter[] = array( |
| 1061 |
'bool' => array( |
| 1062 |
$inner_relation => $this->build_meta_query( $single_meta_query ), |
| 1063 |
), |
| 1064 |
); |
| 1065 |
} |
| 1066 |
} |
| 1067 |
|
| 1068 |
if ( ! empty( $meta_filter ) ) { |
| 1069 |
return [ |
| 1070 |
'bool' => [ |
| 1071 |
$outer_relation => $meta_filter, |
| 1072 |
], |
| 1073 |
]; |
| 1074 |
} else { |
| 1075 |
return false; |
| 1076 |
} |
| 1077 |
} |
| 1078 |
|
| 1079 |
/** |
| 1080 |
* Get the indexable mapping. |
| 1081 |
* |
| 1082 |
* @since 3.6.0 |
| 1083 |
* @return boolean|array |
| 1084 |
*/ |
| 1085 |
public function get_mapping() { |
| 1086 |
return Elasticsearch::factory()->get_mapping( $this->get_index_name() ); |
| 1087 |
} |
| 1088 |
|
| 1089 |
/** |
| 1090 |
* Compare the mapping generated by the plugin and the mapping stored in Elasticsearch. |
| 1091 |
* |
| 1092 |
* @todo properly implement the check. |
| 1093 |
* |
| 1094 |
* @since 3.6.0 |
| 1095 |
* @return bool|WP_Error |
| 1096 |
*/ |
| 1097 |
public function compare_mappings() { |
| 1098 |
if ( ! method_exists( $this, 'generate_mapping' ) ) { |
| 1099 |
return new \WP_Error( 'ep_generate_mapping_not_implemented' ); |
| 1100 |
} |
| 1101 |
|
| 1102 |
$new_mapping = $this->generate_mapping(); |
| 1103 |
$stored_mapping = $this->get_mapping(); |
| 1104 |
|
| 1105 |
return ( (string) $new_mapping['settings']['index.number_of_shards'] === $stored_mapping[ $this->get_index_name() ]['settings']['index']['number_of_shards'] ); |
| 1106 |
} |
| 1107 |
|
| 1108 |
/** |
| 1109 |
* Utilitary function to check if the indexable is being fully reindexed, i.e., |
| 1110 |
* the index was deleted, a new mapping was sent and content is being reindexed. |
| 1111 |
* |
| 1112 |
* @param int|null $blog_id Blog ID |
| 1113 |
* @return boolean |
| 1114 |
*/ |
| 1115 |
public function is_full_reindexing( $blog_id = null ) { |
| 1116 |
if ( $this->global ) { |
| 1117 |
$blog_id = null; |
| 1118 |
} elseif ( ! $blog_id ) { |
| 1119 |
$blog_id = get_current_blog_id(); |
| 1120 |
} |
| 1121 |
|
| 1122 |
return \ElasticPress\IndexHelper::factory()->is_full_reindexing( $this->slug, $blog_id ); |
| 1123 |
} |
| 1124 |
|
| 1125 |
/** |
| 1126 |
* Send mapping to Elasticsearch |
| 1127 |
* |
| 1128 |
* @param string $return_type Desired return type. Can be either 'bool' or 'raw' |
| 1129 |
* @return bool|WP_Error |
| 1130 |
*/ |
| 1131 |
public function put_mapping( $return_type = 'bool' ) { |
| 1132 |
$mapping = $this->generate_mapping(); |
| 1133 |
|
| 1134 |
return Elasticsearch::factory()->put_mapping( $this->get_index_name(), $mapping, $return_type ); |
| 1135 |
} |
| 1136 |
|
| 1137 |
/** |
| 1138 |
* Must implement a method that given an object ID, returns a formatted Elasticsearch |
| 1139 |
* document |
| 1140 |
* |
| 1141 |
* @param int $object_id Object to prepare. |
| 1142 |
* @return array |
| 1143 |
*/ |
| 1144 |
abstract public function prepare_document( $object_id ); |
| 1145 |
|
| 1146 |
/** |
| 1147 |
* Must implement a method that queries MySQL for objects and returns them |
| 1148 |
* in a standardized format. This is necessary so we can genericize the index |
| 1149 |
* process across indexables. |
| 1150 |
* |
| 1151 |
* @param array $args Array to query DB against. |
| 1152 |
* @return boolean |
| 1153 |
*/ |
| 1154 |
abstract public function query_db( $args ); |
| 1155 |
|
| 1156 |
/** |
| 1157 |
* Shim function for backwards-compatibility on custom Indexables. |
| 1158 |
* |
| 1159 |
* @since 4.1.0 |
| 1160 |
* @return array |
| 1161 |
*/ |
| 1162 |
public function generate_mapping() { |
| 1163 |
_doing_it_wrong( __METHOD__, 'The Indexable class should not call generate_mapping() directly.', 'ElasticPress 4.0' ); |
| 1164 |
|
| 1165 |
return []; |
| 1166 |
} |
| 1167 |
|
| 1168 |
/** |
| 1169 |
* Get the search algorithm that should be used. |
| 1170 |
* |
| 1171 |
* @since 4.3.0 |
| 1172 |
* @param string $search_text Search term(s) |
| 1173 |
* @param array $search_fields Search fields |
| 1174 |
* @param array $query_vars Query vars |
| 1175 |
* @return SearchAlgorithm Instance of search algorithm to be used |
| 1176 |
*/ |
| 1177 |
public function get_search_algorithm( string $search_text, array $search_fields, array $query_vars ) : \ElasticPress\SearchAlgorithm { |
| 1178 |
/** |
| 1179 |
* Filter the search algorithm to be used |
| 1180 |
* |
| 1181 |
* @hook ep_{$indexable_slug}_search_algorithm |
| 1182 |
* @since 4.3.0 |
| 1183 |
* @param {string} $search_algorithm Slug of the search algorithm used as fallback |
| 1184 |
* @param {string} $search_term Search term |
| 1185 |
* @param {array} $search_fields Fields to be searched |
| 1186 |
* @param {array} $query_vars Query variables |
| 1187 |
* @return {string} New search algorithm slug |
| 1188 |
*/ |
| 1189 |
$search_algorithm = apply_filters( "ep_{$this->slug}_search_algorithm", 'basic', $search_text, $search_fields, $query_vars ); |
| 1190 |
|
| 1191 |
return \ElasticPress\SearchAlgorithms::factory()->get( $search_algorithm ); |
| 1192 |
} |
| 1193 |
|
| 1194 |
/** |
| 1195 |
* Get all distinct meta field keys. |
| 1196 |
* |
| 1197 |
* @since 4.3.0 |
| 1198 |
* @param null|int $blog_id (Optional) The blog ID. Sending `null` will use the current blog ID. |
| 1199 |
* @return array |
| 1200 |
*/ |
| 1201 |
public function get_distinct_meta_field_keys( $blog_id = null ) { |
| 1202 |
$mapping = $this->get_mapping(); |
| 1203 |
|
| 1204 |
try { |
| 1205 |
if ( version_compare( Elasticsearch::factory()->get_elasticsearch_version(), '7.0', '<' ) ) { |
| 1206 |
$meta_fields = $mapping[ $this->get_index_name( $blog_id ) ]['mappings']['post']['properties']['meta']['properties']; |
| 1207 |
} else { |
| 1208 |
$meta_fields = $mapping[ $this->get_index_name( $blog_id ) ]['mappings']['properties']['meta']['properties']; |
| 1209 |
} |
| 1210 |
$meta_keys = array_values( array_keys( $meta_fields ) ); |
| 1211 |
sort( $meta_keys ); |
| 1212 |
} catch ( \Throwable $th ) { |
| 1213 |
return new \Exception( 'Meta fields not available.', 0 ); |
| 1214 |
} |
| 1215 |
|
| 1216 |
return $meta_keys; |
| 1217 |
} |
| 1218 |
|
| 1219 |
/** |
| 1220 |
* Get all distinct values for a given field. |
| 1221 |
* |
| 1222 |
* @since 4.3.0 |
| 1223 |
* @param string $field Field full name. For example: `meta.name.raw` |
| 1224 |
* @param int $count (Optional) Max number of different distinct values to be returned |
| 1225 |
* @param int $blog_id (Optional) The blog ID. Sending `null` will use the current blog ID. |
| 1226 |
* @return array |
| 1227 |
*/ |
| 1228 |
public function get_all_distinct_values( $field, $count = 10000, $blog_id = null ) { |
| 1229 |
$aggregation_name = 'distinct_values'; |
| 1230 |
|
| 1231 |
$es_query = [ |
| 1232 |
'_source' => false, |
| 1233 |
'size' => 0, |
| 1234 |
'aggs' => [ |
| 1235 |
$aggregation_name => [ |
| 1236 |
'terms' => [ |
| 1237 |
/** |
| 1238 |
* Filter the max. number of different distinct values to be returned by Elasticsearch. |
| 1239 |
* |
| 1240 |
* @since 4.3.0 |
| 1241 |
* @hook ep_{$indexable_slug}_all_distinct_values |
| 1242 |
* @param {int} $size The number of different values. Default: 10000 |
| 1243 |
* @param {string} $field The meta field |
| 1244 |
* @return {string} The new number of different values |
| 1245 |
*/ |
| 1246 |
'size' => apply_filters( 'ep_' . $this->slug . '_all_distinct_values', $count, $field ), |
| 1247 |
'field' => $field, |
| 1248 |
], |
| 1249 |
], |
| 1250 |
], |
| 1251 |
]; |
| 1252 |
|
| 1253 |
$response = Elasticsearch::factory()->query( $this->get_index_name( $blog_id ), $this->slug, $es_query, [] ); |
| 1254 |
|
| 1255 |
if ( ! $response || empty( $response['aggregations'] ) || empty( $response['aggregations'][ $aggregation_name ] ) || empty( $response['aggregations'][ $aggregation_name ]['buckets'] ) ) { |
| 1256 |
return []; |
| 1257 |
} |
| 1258 |
|
| 1259 |
$values = []; |
| 1260 |
foreach ( $response['aggregations'][ $aggregation_name ]['buckets'] as $es_bucket ) { |
| 1261 |
$values[] = $es_bucket['key']; |
| 1262 |
} |
| 1263 |
|
| 1264 |
return $values; |
| 1265 |
} |
| 1266 |
|
| 1267 |
/** |
| 1268 |
* Should instantiate the indexable SyncManager and QueryIntegration, the main responsibles for the WP integration. |
| 1269 |
* |
| 1270 |
* @since 4.5.0 |
| 1271 |
*/ |
| 1272 |
public function setup() {} |
| 1273 |
|
| 1274 |
/** |
| 1275 |
* Given a mapping, add the ngram analyzer to it |
| 1276 |
* |
| 1277 |
* @since 4.5.0 |
| 1278 |
* @param array $mapping The mapping |
| 1279 |
* @return array |
| 1280 |
*/ |
| 1281 |
public function add_ngram_analyzer( array $mapping ) : array { |
| 1282 |
$mapping['settings']['analysis']['analyzer']['edge_ngram_analyzer'] = array( |
| 1283 |
'type' => 'custom', |
| 1284 |
'tokenizer' => 'standard', |
| 1285 |
'filter' => array( |
| 1286 |
'lowercase', |
| 1287 |
'edge_ngram', |
| 1288 |
), |
| 1289 |
); |
| 1290 |
|
| 1291 |
return $mapping; |
| 1292 |
} |
| 1293 |
} |
| 1294 |
|
