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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * SOLR backend. |
| 5 | * |
| 6 | * PHP version 8 |
| 7 | * |
| 8 | * Copyright (C) Villanova University 2010. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2, |
| 12 | * as published by the Free Software Foundation. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 22 | * |
| 23 | * @category VuFind |
| 24 | * @package Search |
| 25 | * @author David Maus <maus@hab.de> |
| 26 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
| 27 | * @link https://vufind.org |
| 28 | */ |
| 29 | |
| 30 | namespace VuFindSearch\Backend\Solr; |
| 31 | |
| 32 | use VuFindSearch\Backend\AbstractBackend; |
| 33 | use VuFindSearch\Backend\Exception\BackendException; |
| 34 | use VuFindSearch\Backend\Exception\RemoteErrorException; |
| 35 | use VuFindSearch\Backend\Solr\Document\DocumentInterface; |
| 36 | use VuFindSearch\Backend\Solr\Response\Json\Terms; |
| 37 | use VuFindSearch\Exception\InvalidArgumentException; |
| 38 | use VuFindSearch\Feature\ExtraRequestDetailsInterface; |
| 39 | use VuFindSearch\Feature\GetIdsInterface; |
| 40 | use VuFindSearch\Feature\RandomInterface; |
| 41 | use VuFindSearch\Feature\RetrieveBatchInterface; |
| 42 | use VuFindSearch\Feature\SimilarInterface; |
| 43 | use VuFindSearch\ParamBag; |
| 44 | use VuFindSearch\Query\AbstractQuery; |
| 45 | use VuFindSearch\Query\WorkKeysQuery; |
| 46 | use VuFindSearch\Response\RecordCollectionFactoryInterface; |
| 47 | use VuFindSearch\Response\RecordCollectionInterface; |
| 48 | |
| 49 | use function count; |
| 50 | use function is_int; |
| 51 | use function sprintf; |
| 52 | |
| 53 | /** |
| 54 | * SOLR backend. |
| 55 | * |
| 56 | * @category VuFind |
| 57 | * @package Search |
| 58 | * @author David Maus <maus@hab.de> |
| 59 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
| 60 | * @link https://vufind.org |
| 61 | */ |
| 62 | class Backend extends AbstractBackend implements |
| 63 | SimilarInterface, |
| 64 | RetrieveBatchInterface, |
| 65 | RandomInterface, |
| 66 | ExtraRequestDetailsInterface, |
| 67 | GetIdsInterface |
| 68 | { |
| 69 | /** |
| 70 | * Limit for records per query in a batch retrieval. |
| 71 | * |
| 72 | * @var int |
| 73 | */ |
| 74 | protected $pageSize = 100; |
| 75 | |
| 76 | /** |
| 77 | * Connector. |
| 78 | * |
| 79 | * @var Connector |
| 80 | */ |
| 81 | protected $connector; |
| 82 | |
| 83 | /** |
| 84 | * Query builder. |
| 85 | * |
| 86 | * @var QueryBuilder |
| 87 | */ |
| 88 | protected $queryBuilder = null; |
| 89 | |
| 90 | /** |
| 91 | * Similar records query builder. |
| 92 | * |
| 93 | * @var SimilarBuilder |
| 94 | */ |
| 95 | protected $similarBuilder = null; |
| 96 | |
| 97 | /** |
| 98 | * Constructor. |
| 99 | * |
| 100 | * @param Connector $connector SOLR connector |
| 101 | * |
| 102 | * @return void |
| 103 | */ |
| 104 | public function __construct(Connector $connector) |
| 105 | { |
| 106 | $this->connector = $connector; |
| 107 | $this->identifier = null; |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Set the limit for batch queries |
| 112 | * |
| 113 | * @param int $pageSize Records per Query |
| 114 | * |
| 115 | * @return void |
| 116 | */ |
| 117 | public function setPageSize($pageSize) |
| 118 | { |
| 119 | $this->pageSize = $pageSize; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * Perform a search and return record collection. |
| 124 | * |
| 125 | * @param AbstractQuery $query Search query |
| 126 | * @param int $offset Search offset |
| 127 | * @param int $limit Search limit |
| 128 | * @param ParamBag $params Search backend parameters |
| 129 | * |
| 130 | * @return RecordCollectionInterface |
| 131 | */ |
| 132 | public function search( |
| 133 | AbstractQuery $query, |
| 134 | $offset, |
| 135 | $limit, |
| 136 | ParamBag $params = null |
| 137 | ) { |
| 138 | if ($query instanceof WorkKeysQuery) { |
| 139 | return $this->workKeysSearch($query, $offset, $limit, $params); |
| 140 | } |
| 141 | $json = $this->rawJsonSearch($query, $offset, $limit, $params); |
| 142 | $collection = $this->createRecordCollection($json); |
| 143 | $this->injectSourceIdentifier($collection); |
| 144 | |
| 145 | return $collection; |
| 146 | } |
| 147 | |
| 148 | /** |
| 149 | * Perform a search and return a raw response. |
| 150 | * |
| 151 | * @param AbstractQuery $query Search query |
| 152 | * @param int $offset Search offset |
| 153 | * @param int $limit Search limit |
| 154 | * @param ParamBag $params Search backend parameters |
| 155 | * |
| 156 | * @return string |
| 157 | */ |
| 158 | public function rawJsonSearch( |
| 159 | AbstractQuery $query, |
| 160 | $offset, |
| 161 | $limit, |
| 162 | ParamBag $params = null |
| 163 | ) { |
| 164 | $params = $params ?: new ParamBag(); |
| 165 | $this->injectResponseWriter($params); |
| 166 | |
| 167 | $params->set('rows', $limit); |
| 168 | $params->set('start', $offset); |
| 169 | $params->mergeWith($this->getQueryBuilder()->build($query, $params)); |
| 170 | return $this->connector->search($params); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Returns some extra details about the search. |
| 175 | * |
| 176 | * @return array |
| 177 | */ |
| 178 | public function getExtraRequestDetails() |
| 179 | { |
| 180 | return [ |
| 181 | 'solrRequestUrl' => $this->connector->getLastUrl(), |
| 182 | ]; |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Clears all accumulated extra request details |
| 187 | * |
| 188 | * @return void |
| 189 | */ |
| 190 | public function resetExtraRequestDetails() |
| 191 | { |
| 192 | $this->connector->resetLastUrl(); |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Perform a search and return record collection of only record identifiers. |
| 197 | * |
| 198 | * @param AbstractQuery $query Search query |
| 199 | * @param int $offset Search offset |
| 200 | * @param int $limit Search limit |
| 201 | * @param ParamBag $params Search backend parameters |
| 202 | * |
| 203 | * @return RecordCollectionInterface |
| 204 | */ |
| 205 | public function getIds( |
| 206 | AbstractQuery $query, |
| 207 | $offset, |
| 208 | $limit, |
| 209 | ParamBag $params = null |
| 210 | ) { |
| 211 | $params = $params ?: new ParamBag(); |
| 212 | $this->injectResponseWriter($params); |
| 213 | |
| 214 | $params->set('rows', $limit); |
| 215 | $params->set('start', $offset); |
| 216 | $flParts = [$this->getConnector()->getUniqueKey()]; |
| 217 | if ($fl = $params->get('fl')) { |
| 218 | // Merge multiple values if necessary, then split on delimiter: |
| 219 | $flParts = array_unique(array_merge($flParts, explode(',', implode(',', $fl)))); |
| 220 | } |
| 221 | $params->set('fl', implode(',', $flParts)); |
| 222 | $params->mergeWith($this->getQueryBuilder()->build($query)); |
| 223 | $response = $this->connector->search($params); |
| 224 | $collection = $this->createRecordCollection($response); |
| 225 | $this->injectSourceIdentifier($collection); |
| 226 | |
| 227 | return $collection; |
| 228 | } |
| 229 | |
| 230 | /** |
| 231 | * Get Random records |
| 232 | * |
| 233 | * @param AbstractQuery $query Search query |
| 234 | * @param int $limit Search limit |
| 235 | * @param ParamBag $params Search backend parameters |
| 236 | * |
| 237 | * @return RecordCollectionInterface |
| 238 | */ |
| 239 | public function random( |
| 240 | AbstractQuery $query, |
| 241 | $limit, |
| 242 | ParamBag $params = null |
| 243 | ) { |
| 244 | $params = $params ?: new ParamBag(); |
| 245 | $this->injectResponseWriter($params); |
| 246 | |
| 247 | $random = rand(0, 1000000); |
| 248 | $sort = "{$random}_random asc"; |
| 249 | $params->set('sort', $sort); |
| 250 | |
| 251 | return $this->search($query, 0, $limit, $params); |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Retrieve a single document. |
| 256 | * |
| 257 | * @param string $id Document identifier |
| 258 | * @param ParamBag $params Search backend parameters |
| 259 | * |
| 260 | * @return RecordCollectionInterface |
| 261 | */ |
| 262 | public function retrieve($id, ParamBag $params = null) |
| 263 | { |
| 264 | $params = $params ?: new ParamBag(); |
| 265 | $this->injectResponseWriter($params); |
| 266 | |
| 267 | $response = $this->connector->retrieve($id, $params); |
| 268 | $collection = $this->createRecordCollection($response); |
| 269 | $this->injectSourceIdentifier($collection); |
| 270 | return $collection; |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * Retrieve a batch of documents. |
| 275 | * |
| 276 | * @param array $ids Array of document identifiers |
| 277 | * @param ParamBag $params Search backend parameters |
| 278 | * |
| 279 | * @return RecordCollectionInterface |
| 280 | */ |
| 281 | public function retrieveBatch($ids, ParamBag $params = null) |
| 282 | { |
| 283 | $params = $params ?: new ParamBag(); |
| 284 | |
| 285 | // Callback function for formatting IDs: |
| 286 | $formatIds = function ($i) { |
| 287 | return '"' . addcslashes($i, '"') . '"'; |
| 288 | }; |
| 289 | |
| 290 | // Retrieve records a page at a time: |
| 291 | $results = false; |
| 292 | while (count($ids) > 0) { |
| 293 | $currentPage = array_splice($ids, 0, $this->pageSize, []); |
| 294 | $currentPage = array_map($formatIds, $currentPage); |
| 295 | $params->set('q', 'id:(' . implode(' OR ', $currentPage) . ')'); |
| 296 | $params->set('start', 0); |
| 297 | $params->set('rows', $this->pageSize); |
| 298 | $this->injectResponseWriter($params); |
| 299 | $next = $this->createRecordCollection( |
| 300 | $this->connector->search($params) |
| 301 | ); |
| 302 | if (!$results) { |
| 303 | $results = $next; |
| 304 | } else { |
| 305 | foreach ($next->getRecords() as $record) { |
| 306 | $results->add($record); |
| 307 | } |
| 308 | } |
| 309 | } |
| 310 | $this->injectSourceIdentifier($results); |
| 311 | return $results; |
| 312 | } |
| 313 | |
| 314 | /** |
| 315 | * Return similar records. |
| 316 | * |
| 317 | * @param string $id Id of record to compare with |
| 318 | * @param ParamBag $params Search backend parameters |
| 319 | * |
| 320 | * @return RecordCollectionInterface |
| 321 | */ |
| 322 | public function similar($id, ParamBag $params = null) |
| 323 | { |
| 324 | $params = $params ?: new ParamBag(); |
| 325 | $this->injectResponseWriter($params); |
| 326 | |
| 327 | $params->mergeWith($this->getSimilarBuilder()->build($id)); |
| 328 | $response = $this->connector->similar($id, $params); |
| 329 | $collection = $this->createRecordCollection($response); |
| 330 | $this->injectSourceIdentifier($collection); |
| 331 | return $collection; |
| 332 | } |
| 333 | |
| 334 | /** |
| 335 | * Return terms from SOLR index. |
| 336 | * |
| 337 | * @param string $field Index field |
| 338 | * @param string $start Starting term (blank for beginning of list) |
| 339 | * @param int $limit Maximum number of terms |
| 340 | * @param ParamBag $params Additional parameters |
| 341 | * |
| 342 | * @return Terms |
| 343 | */ |
| 344 | public function terms( |
| 345 | $field = null, |
| 346 | $start = null, |
| 347 | $limit = null, |
| 348 | ParamBag $params = null |
| 349 | ) { |
| 350 | // Support alternate syntax with ParamBag as first parameter: |
| 351 | if ($field instanceof ParamBag && $params === null) { |
| 352 | $params = $field; |
| 353 | $field = null; |
| 354 | } |
| 355 | |
| 356 | // Create empty ParamBag if none provided: |
| 357 | $params = $params ?: new ParamBag(); |
| 358 | $this->injectResponseWriter($params); |
| 359 | |
| 360 | // Always enable terms: |
| 361 | $params->set('terms', 'true'); |
| 362 | |
| 363 | // Use parameters if provided: |
| 364 | if (null !== $field) { |
| 365 | $params->set('terms.fl', $field); |
| 366 | } |
| 367 | if (null !== $start) { |
| 368 | $params->set('terms.lower', $start); |
| 369 | } |
| 370 | if (null !== $limit) { |
| 371 | $params->set('terms.limit', $limit); |
| 372 | } |
| 373 | |
| 374 | // Set defaults unless overridden: |
| 375 | if (!$params->hasParam('terms.lower.incl')) { |
| 376 | $params->set('terms.lower.incl', 'false'); |
| 377 | } |
| 378 | if (!$params->hasParam('terms.sort')) { |
| 379 | $params->set('terms.sort', 'index'); |
| 380 | } |
| 381 | |
| 382 | $response = $this->connector->terms($params); |
| 383 | $terms = new Terms($this->deserialize($response)); |
| 384 | return $terms; |
| 385 | } |
| 386 | |
| 387 | /** |
| 388 | * Obtain information from an alphabetic browse index. |
| 389 | * |
| 390 | * @param string $source Name of index to search |
| 391 | * @param string $from Starting point for browse results |
| 392 | * @param int $page Result page to return (starts at 0) |
| 393 | * @param int $limit Number of results to return on each page |
| 394 | * @param ParamBag $params Additional parameters |
| 395 | * @param int $offsetDelta Delta to use when calculating page |
| 396 | * offset (useful for showing a few results above the highlighted row) |
| 397 | * |
| 398 | * @return array |
| 399 | */ |
| 400 | public function alphabeticBrowse( |
| 401 | $source, |
| 402 | $from, |
| 403 | $page, |
| 404 | $limit = 20, |
| 405 | $params = null, |
| 406 | $offsetDelta = 0 |
| 407 | ) { |
| 408 | $params = $params ?: new ParamBag(); |
| 409 | $this->injectResponseWriter($params); |
| 410 | |
| 411 | $params->set('from', $from); |
| 412 | $params->set('offset', ($page * $limit) + $offsetDelta); |
| 413 | $params->set('rows', $limit); |
| 414 | $params->set('source', $source); |
| 415 | |
| 416 | $response = null; |
| 417 | try { |
| 418 | $response = $this->connector->query('browse', $params); |
| 419 | } catch (RemoteErrorException $e) { |
| 420 | $this->refineBrowseException($e); |
| 421 | } |
| 422 | return $this->deserialize($response); |
| 423 | } |
| 424 | |
| 425 | /** |
| 426 | * Write a document to Solr. Return an array of details about the updated index. |
| 427 | * |
| 428 | * @param DocumentInterface $doc Document to write |
| 429 | * @param ?int $timeout Timeout value (null for default) |
| 430 | * @param string $handler Handler to use |
| 431 | * @param ?ParamBag $params Search backend parameters |
| 432 | * |
| 433 | * @return array |
| 434 | */ |
| 435 | public function writeDocument( |
| 436 | DocumentInterface $doc, |
| 437 | int $timeout = null, |
| 438 | string $handler = 'update', |
| 439 | ?ParamBag $params = null |
| 440 | ) { |
| 441 | $connector = $this->getConnector(); |
| 442 | |
| 443 | // Write! |
| 444 | $connector->callWithHttpOptions( |
| 445 | is_int($timeout ?? null) ? compact('timeout') : [], |
| 446 | 'write', |
| 447 | $doc, |
| 448 | $handler, |
| 449 | $params |
| 450 | ); |
| 451 | |
| 452 | // Save the core name in the results in case the caller needs it. |
| 453 | return ['core' => $connector->getCore()]; |
| 454 | } |
| 455 | |
| 456 | /** |
| 457 | * Set the query builder. |
| 458 | * |
| 459 | * @param QueryBuilder $queryBuilder Query builder |
| 460 | * |
| 461 | * @return void |
| 462 | */ |
| 463 | public function setQueryBuilder(QueryBuilder $queryBuilder) |
| 464 | { |
| 465 | $this->queryBuilder = $queryBuilder; |
| 466 | } |
| 467 | |
| 468 | /** |
| 469 | * Return query builder. |
| 470 | * |
| 471 | * Lazy loads an empty default QueryBuilder if none was set. |
| 472 | * |
| 473 | * @return QueryBuilder |
| 474 | */ |
| 475 | public function getQueryBuilder() |
| 476 | { |
| 477 | if (!$this->queryBuilder) { |
| 478 | $this->queryBuilder = new QueryBuilder(); |
| 479 | } |
| 480 | return $this->queryBuilder; |
| 481 | } |
| 482 | |
| 483 | /** |
| 484 | * Set the similar records query builder. |
| 485 | * |
| 486 | * @param SimilarBuilder $similarBuilder Similar builder |
| 487 | * |
| 488 | * @return void |
| 489 | */ |
| 490 | public function setSimilarBuilder(SimilarBuilder $similarBuilder) |
| 491 | { |
| 492 | $this->similarBuilder = $similarBuilder; |
| 493 | } |
| 494 | |
| 495 | /** |
| 496 | * Return similar records query builder. |
| 497 | * |
| 498 | * Lazy loads an empty default SimilarBuilder if none was set. |
| 499 | * |
| 500 | * @return SimilarBuilder |
| 501 | */ |
| 502 | public function getSimilarBuilder() |
| 503 | { |
| 504 | if (!$this->similarBuilder) { |
| 505 | $this->similarBuilder = new SimilarBuilder(); |
| 506 | } |
| 507 | return $this->similarBuilder; |
| 508 | } |
| 509 | |
| 510 | /** |
| 511 | * Return the record collection factory. |
| 512 | * |
| 513 | * Lazy loads a generic collection factory. |
| 514 | * |
| 515 | * @return RecordCollectionFactoryInterface |
| 516 | */ |
| 517 | public function getRecordCollectionFactory() |
| 518 | { |
| 519 | if (!$this->collectionFactory) { |
| 520 | $this->collectionFactory = new Response\Json\RecordCollectionFactory(); |
| 521 | } |
| 522 | return $this->collectionFactory; |
| 523 | } |
| 524 | |
| 525 | /** |
| 526 | * Return the SOLR connector. |
| 527 | * |
| 528 | * @return Connector |
| 529 | */ |
| 530 | public function getConnector() |
| 531 | { |
| 532 | return $this->connector; |
| 533 | } |
| 534 | |
| 535 | /// Internal API |
| 536 | |
| 537 | /** |
| 538 | * Create record collection. |
| 539 | * |
| 540 | * @param string $json Serialized JSON response |
| 541 | * |
| 542 | * @return RecordCollectionInterface |
| 543 | */ |
| 544 | protected function createRecordCollection($json) |
| 545 | { |
| 546 | return $this->getRecordCollectionFactory() |
| 547 | ->factory($this->deserialize($json)); |
| 548 | } |
| 549 | |
| 550 | /** |
| 551 | * Deserialize JSON response. |
| 552 | * |
| 553 | * @param string $json Serialized JSON response |
| 554 | * |
| 555 | * @return array |
| 556 | * |
| 557 | * @throws BackendException Deserialization error |
| 558 | */ |
| 559 | protected function deserialize($json) |
| 560 | { |
| 561 | $response = json_decode($json, true); |
| 562 | $error = json_last_error(); |
| 563 | if ($error != \JSON_ERROR_NONE) { |
| 564 | throw new BackendException( |
| 565 | sprintf('JSON decoding error: %s -- %s', $error, $json) |
| 566 | ); |
| 567 | } |
| 568 | $qtime = $response['responseHeader']['QTime'] ?? 'n/a'; |
| 569 | $this->log('debug', 'Deserialized SOLR response', ['qtime' => $qtime]); |
| 570 | return $response; |
| 571 | } |
| 572 | |
| 573 | /** |
| 574 | * Improve the exception message for alphaBrowse errors when appropriate. |
| 575 | * |
| 576 | * @param RemoteErrorException $e Exception to clean up |
| 577 | * |
| 578 | * @return void |
| 579 | * @throws RemoteErrorException |
| 580 | */ |
| 581 | protected function refineBrowseException(RemoteErrorException $e) |
| 582 | { |
| 583 | $error = $e->getMessage() . $e->getResponse(); |
| 584 | if ( |
| 585 | strstr($error, 'does not exist') || strstr($error, 'no such table') |
| 586 | || strstr($error, 'couldn\'t find a browse index') |
| 587 | ) { |
| 588 | throw new RemoteErrorException( |
| 589 | 'Alphabetic Browse index missing. See ' . |
| 590 | 'https://vufind.org/wiki/indexing:alphabetical_heading_browse for ' . |
| 591 | 'details on generating the index.', |
| 592 | $e->getCode(), |
| 593 | $e->getResponse(), |
| 594 | $e->getPrevious() |
| 595 | ); |
| 596 | } |
| 597 | throw $e; |
| 598 | } |
| 599 | |
| 600 | /** |
| 601 | * Inject response writer and named list implementation into parameters. |
| 602 | * |
| 603 | * @param ParamBag $params Parameters |
| 604 | * |
| 605 | * @return void |
| 606 | * |
| 607 | * @throws InvalidArgumentException Response writer and named list |
| 608 | * implementation already set to an incompatible type. |
| 609 | */ |
| 610 | protected function injectResponseWriter(ParamBag $params) |
| 611 | { |
| 612 | if (array_diff($params->get('wt') ?: [], ['json'])) { |
| 613 | throw new InvalidArgumentException( |
| 614 | sprintf( |
| 615 | 'Invalid response writer type: %s', |
| 616 | implode(', ', $params->get('wt')) |
| 617 | ) |
| 618 | ); |
| 619 | } |
| 620 | if (array_diff($params->get('json.nl') ?: [], ['arrarr'])) { |
| 621 | throw new InvalidArgumentException( |
| 622 | sprintf( |
| 623 | 'Invalid named list implementation type: %s', |
| 624 | implode(', ', $params->get('json.nl')) |
| 625 | ) |
| 626 | ); |
| 627 | } |
| 628 | $params->set('wt', ['json']); |
| 629 | $params->set('json.nl', ['arrarr']); |
| 630 | } |
| 631 | |
| 632 | /** |
| 633 | * Return work expressions. |
| 634 | * |
| 635 | * @param WorkKeysQuery $query Search query |
| 636 | * @param int $offset Search offset |
| 637 | * @param int $limit Search limit |
| 638 | * @param ParamBag $defaultParams Search backend parameters |
| 639 | * |
| 640 | * @return RecordCollectionInterface |
| 641 | */ |
| 642 | protected function workKeysSearch( |
| 643 | WorkKeysQuery $query, |
| 644 | int $offset, |
| 645 | int $limit, |
| 646 | ParamBag $defaultParams = null |
| 647 | ): RecordCollectionInterface { |
| 648 | $id = $query->getId(); |
| 649 | if ('' === $id) { |
| 650 | throw new BackendException('Record ID empty in work keys query'); |
| 651 | } |
| 652 | if (!($workKeys = $query->getWorkKeys())) { |
| 653 | $recordResponse = $this->connector->retrieve($id); |
| 654 | $recordCollection = $this->createRecordCollection($recordResponse); |
| 655 | $record = $recordCollection->first(); |
| 656 | if (!$record || !($workKeys = $record->tryMethod('getWorkKeys'))) { |
| 657 | return $this->createRecordCollection('{}'); |
| 658 | } |
| 659 | } |
| 660 | |
| 661 | $params = $defaultParams ? clone $defaultParams : new \VuFindSearch\ParamBag(); |
| 662 | $this->injectResponseWriter($params); |
| 663 | $params->set('q', "{!terms f=work_keys_str_mv separator=\"\u{001f}\"}" . implode("\u{001f}", $workKeys)); |
| 664 | if (!$query->getIncludeSelf()) { |
| 665 | $params->add('fq', sprintf('-id:"%s"', addcslashes($id, '"'))); |
| 666 | } |
| 667 | $params->set('rows', $limit); |
| 668 | $params->set('start', $offset); |
| 669 | if (!$params->hasParam('sort')) { |
| 670 | $params->add('sort', 'publishDateSort desc, title_sort asc'); |
| 671 | } |
| 672 | $response = $this->connector->search($params); |
| 673 | $collection = $this->createRecordCollection($response); |
| 674 | $this->injectSourceIdentifier($collection); |
| 675 | return $collection; |
| 676 | } |
| 677 | } |