1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Kitodo\Dlf\Common\Solr; |
4
|
|
|
|
5
|
|
|
use Kitodo\Dlf\Common\AbstractDocument; |
6
|
|
|
use Kitodo\Dlf\Common\Helper; |
7
|
|
|
use Kitodo\Dlf\Common\Indexer; |
8
|
|
|
use Kitodo\Dlf\Common\Solr\SearchResult\ResultDocument; |
9
|
|
|
use Kitodo\Dlf\Domain\Repository\DocumentRepository; |
10
|
|
|
use Solarium\QueryType\Select\Result\Document; |
11
|
|
|
use TYPO3\CMS\Core\Cache\CacheManager; |
12
|
|
|
use TYPO3\CMS\Core\Utility\GeneralUtility; |
13
|
|
|
use TYPO3\CMS\Core\Utility\MathUtility; |
14
|
|
|
use TYPO3\CMS\Extbase\Persistence\Generic\QueryResult; |
15
|
|
|
use TYPO3\CMS\Extbase\Persistence\QueryResultInterface; |
16
|
|
|
|
17
|
|
|
/** |
18
|
|
|
* Targeted towards being used in ``PaginateController`` (``<f:widget.paginate>``). |
19
|
|
|
* |
20
|
|
|
* Notes on implementation: |
21
|
|
|
* - `Countable`: `count()` returns the number of toplevel documents. |
22
|
|
|
* - `getNumLoadedDocuments()`: Number of toplevel documents that have been fetched from Solr. |
23
|
|
|
* - `ArrayAccess`/`Iterator`: Access *fetched* toplevel documents indexed in order of their ranking. |
24
|
|
|
* |
25
|
|
|
* @package TYPO3 |
26
|
|
|
* @subpackage dlf |
27
|
|
|
* |
28
|
|
|
* @access public |
29
|
|
|
*/ |
30
|
|
|
class SolrSearch implements \Countable, \Iterator, \ArrayAccess, QueryResultInterface |
31
|
|
|
{ |
32
|
|
|
/** |
33
|
|
|
* @access private |
34
|
|
|
* @var DocumentRepository |
35
|
|
|
*/ |
36
|
|
|
private DocumentRepository $documentRepository; |
37
|
|
|
|
38
|
|
|
/** |
39
|
|
|
* @access private |
40
|
|
|
* @var array|QueryResultInterface |
41
|
|
|
*/ |
42
|
|
|
private $collections; |
43
|
|
|
|
44
|
|
|
/** |
45
|
|
|
* @access private |
46
|
|
|
* @var array |
47
|
|
|
*/ |
48
|
|
|
private array $settings; |
49
|
|
|
|
50
|
|
|
/** |
51
|
|
|
* @access private |
52
|
|
|
* @var array |
53
|
|
|
*/ |
54
|
|
|
private array $searchParams; |
55
|
|
|
|
56
|
|
|
/** |
57
|
|
|
* @access private |
58
|
|
|
* @var QueryResult|null |
59
|
|
|
*/ |
60
|
|
|
private ?QueryResult $listedMetadata; |
61
|
|
|
|
62
|
|
|
/** |
63
|
|
|
* @access private |
64
|
|
|
* @var QueryResult|null |
65
|
|
|
*/ |
66
|
|
|
private ?QueryResult $indexedMetadata; |
67
|
|
|
|
68
|
|
|
/** |
69
|
|
|
* @access private |
70
|
|
|
* @var array |
71
|
|
|
*/ |
72
|
|
|
private array $params; |
73
|
|
|
|
74
|
|
|
/** |
75
|
|
|
* @access private |
76
|
|
|
* @var array |
77
|
|
|
*/ |
78
|
|
|
private $result; |
79
|
|
|
|
80
|
|
|
/** |
81
|
|
|
* @access private |
82
|
|
|
* @var int |
83
|
|
|
*/ |
84
|
|
|
protected int $position = 0; |
85
|
|
|
|
86
|
|
|
/** |
87
|
|
|
* Constructs SolrSearch instance. |
88
|
|
|
* |
89
|
|
|
* @access public |
90
|
|
|
* |
91
|
|
|
* @param DocumentRepository $documentRepository |
92
|
|
|
* @param array|QueryResultInterface $collections can contain 0, 1 or many Collection objects |
93
|
|
|
* @param array $settings |
94
|
|
|
* @param array $searchParams |
95
|
|
|
* @param QueryResult $listedMetadata |
96
|
|
|
* |
97
|
|
|
* @return void |
98
|
|
|
*/ |
99
|
|
|
public function __construct(DocumentRepository $documentRepository, $collections, array $settings, array $searchParams, QueryResult $listedMetadata = null, QueryResult $indexedMetadata = null) |
100
|
|
|
{ |
101
|
|
|
$this->documentRepository = $documentRepository; |
102
|
|
|
$this->collections = $collections; |
103
|
|
|
$this->settings = $settings; |
104
|
|
|
$this->searchParams = $searchParams; |
105
|
|
|
$this->listedMetadata = $listedMetadata; |
106
|
|
|
$this->indexedMetadata = $indexedMetadata; |
107
|
|
|
} |
108
|
|
|
|
109
|
|
|
/** |
110
|
|
|
* Gets amount of loaded documents. |
111
|
|
|
* |
112
|
|
|
* @access public |
113
|
|
|
* |
114
|
|
|
* @return int |
115
|
|
|
*/ |
116
|
|
|
public function getNumLoadedDocuments(): int |
117
|
|
|
{ |
118
|
|
|
return count($this->result['documents']); |
119
|
|
|
} |
120
|
|
|
|
121
|
|
|
/** |
122
|
|
|
* Count results. |
123
|
|
|
* |
124
|
|
|
* @access public |
125
|
|
|
* |
126
|
|
|
* @return int |
127
|
|
|
*/ |
128
|
|
|
public function count(): int |
129
|
|
|
{ |
130
|
|
|
if ($this->result === null) { |
131
|
|
|
return 0; |
132
|
|
|
} |
133
|
|
|
|
134
|
|
|
return $this->result['numberOfToplevels']; |
135
|
|
|
} |
136
|
|
|
|
137
|
|
|
/** |
138
|
|
|
* Current result. |
139
|
|
|
* |
140
|
|
|
* @access public |
141
|
|
|
* |
142
|
|
|
* @return array |
143
|
|
|
*/ |
144
|
|
|
public function current(): array |
145
|
|
|
{ |
146
|
|
|
return $this[$this->position]; |
147
|
|
|
} |
148
|
|
|
|
149
|
|
|
/** |
150
|
|
|
* Current key. |
151
|
|
|
* |
152
|
|
|
* @access public |
153
|
|
|
* |
154
|
|
|
* @return int |
155
|
|
|
*/ |
156
|
|
|
public function key(): int |
157
|
|
|
{ |
158
|
|
|
return $this->position; |
159
|
|
|
} |
160
|
|
|
|
161
|
|
|
/** |
162
|
|
|
* Next key. |
163
|
|
|
* |
164
|
|
|
* @access public |
165
|
|
|
* |
166
|
|
|
* @return void |
167
|
|
|
*/ |
168
|
|
|
public function next(): void |
169
|
|
|
{ |
170
|
|
|
$this->position++; |
171
|
|
|
} |
172
|
|
|
|
173
|
|
|
/** |
174
|
|
|
* First key. |
175
|
|
|
* |
176
|
|
|
* @access public |
177
|
|
|
* |
178
|
|
|
* @return void |
179
|
|
|
*/ |
180
|
|
|
public function rewind(): void |
181
|
|
|
{ |
182
|
|
|
$this->position = 0; |
183
|
|
|
} |
184
|
|
|
|
185
|
|
|
/** |
186
|
|
|
* @access public |
187
|
|
|
* |
188
|
|
|
* @return bool |
189
|
|
|
*/ |
190
|
|
|
public function valid(): bool |
191
|
|
|
{ |
192
|
|
|
return isset($this[$this->position]); |
193
|
|
|
} |
194
|
|
|
|
195
|
|
|
/** |
196
|
|
|
* Checks if the document with given offset exists. |
197
|
|
|
* |
198
|
|
|
* @access public |
199
|
|
|
* |
200
|
|
|
* @param int $offset |
201
|
|
|
* |
202
|
|
|
* @return bool |
203
|
|
|
*/ |
204
|
|
|
public function offsetExists($offset): bool |
205
|
|
|
{ |
206
|
|
|
$idx = $this->result['document_keys'][$offset]; |
207
|
|
|
return isset($this->result['documents'][$idx]); |
208
|
|
|
} |
209
|
|
|
|
210
|
|
|
/** |
211
|
|
|
* Gets the document with given offset. |
212
|
|
|
* |
213
|
|
|
* @access public |
214
|
|
|
* |
215
|
|
|
* @param int $offset |
216
|
|
|
* |
217
|
|
|
* @return mixed |
218
|
|
|
*/ |
219
|
|
|
#[\ReturnTypeWillChange] |
220
|
|
|
public function offsetGet($offset) |
221
|
|
|
{ |
222
|
|
|
$idx = $this->result['document_keys'][$offset]; |
223
|
|
|
$document = $this->result['documents'][$idx] ?? null; |
224
|
|
|
|
225
|
|
|
if ($document !== null) { |
226
|
|
|
// It may happen that a Solr group only includes non-toplevel results, |
227
|
|
|
// in which case metadata of toplevel entry isn't yet filled. |
228
|
|
|
if (empty($document['metadata'])) { |
229
|
|
|
$document['metadata'] = $this->fetchToplevelMetadataFromSolr([ |
230
|
|
|
'query' => 'uid:' . $document['uid'], |
231
|
|
|
'start' => 0, |
232
|
|
|
'rows' => 1, |
233
|
|
|
'sort' => ['score' => 'desc'], |
234
|
|
|
])[$document['uid']] ?? []; |
235
|
|
|
} |
236
|
|
|
|
237
|
|
|
// get title of parent/grandparent/... if empty |
238
|
|
|
if (empty($document['title']) && $document['partOf'] > 0) { |
239
|
|
|
$superiorTitle = AbstractDocument::getTitle($document['partOf'], true); |
240
|
|
|
if (!empty($superiorTitle)) { |
241
|
|
|
$document['title'] = '[' . $superiorTitle . ']'; |
242
|
|
|
} |
243
|
|
|
} |
244
|
|
|
} |
245
|
|
|
|
246
|
|
|
return $document; |
247
|
|
|
} |
248
|
|
|
|
249
|
|
|
/** |
250
|
|
|
* Not supported. |
251
|
|
|
* |
252
|
|
|
* @access public |
253
|
|
|
* |
254
|
|
|
* @param int $offset |
255
|
|
|
* @param int $value |
256
|
|
|
* |
257
|
|
|
* @return void |
258
|
|
|
* |
259
|
|
|
* @throws \Exception |
260
|
|
|
*/ |
261
|
|
|
public function offsetSet($offset, $value): void |
262
|
|
|
{ |
263
|
|
|
throw new \Exception("SolrSearch: Modifying result list is not supported"); |
264
|
|
|
} |
265
|
|
|
|
266
|
|
|
/** |
267
|
|
|
* Not supported. |
268
|
|
|
* |
269
|
|
|
* @access public |
270
|
|
|
* |
271
|
|
|
* @param int $offset |
272
|
|
|
* |
273
|
|
|
* @return void |
274
|
|
|
* |
275
|
|
|
* @throws \Exception |
276
|
|
|
*/ |
277
|
|
|
public function offsetUnset($offset): void |
278
|
|
|
{ |
279
|
|
|
throw new \Exception("SolrSearch: Modifying result list is not supported"); |
280
|
|
|
} |
281
|
|
|
|
282
|
|
|
/** |
283
|
|
|
* Gets SOLR results. |
284
|
|
|
* |
285
|
|
|
* @access public |
286
|
|
|
* |
287
|
|
|
* @return mixed |
288
|
|
|
*/ |
289
|
|
|
public function getSolrResults() |
290
|
|
|
{ |
291
|
|
|
return $this->result['solrResults']; |
292
|
|
|
} |
293
|
|
|
|
294
|
|
|
/** |
295
|
|
|
* Gets by UID. |
296
|
|
|
* |
297
|
|
|
* @access public |
298
|
|
|
* |
299
|
|
|
* @param int $uid |
300
|
|
|
* |
301
|
|
|
* @return mixed |
302
|
|
|
*/ |
303
|
|
|
public function getByUid($uid) |
304
|
|
|
{ |
305
|
|
|
return $this->result['documents'][$uid]; |
306
|
|
|
} |
307
|
|
|
|
308
|
|
|
/** |
309
|
|
|
* Gets query. |
310
|
|
|
* |
311
|
|
|
* @access public |
312
|
|
|
* |
313
|
|
|
* @return SolrSearchQuery |
314
|
|
|
*/ |
315
|
|
|
public function getQuery() |
316
|
|
|
{ |
317
|
|
|
return new SolrSearchQuery($this); |
318
|
|
|
} |
319
|
|
|
|
320
|
|
|
/** |
321
|
|
|
* Gets first. |
322
|
|
|
* |
323
|
|
|
* @access public |
324
|
|
|
* |
325
|
|
|
* @return SolrSearch |
326
|
|
|
*/ |
327
|
|
|
public function getFirst() |
328
|
|
|
{ |
329
|
|
|
return $this[0]; |
330
|
|
|
} |
331
|
|
|
|
332
|
|
|
/** |
333
|
|
|
* Parses results to array. |
334
|
|
|
* |
335
|
|
|
* @access public |
336
|
|
|
* |
337
|
|
|
* @return array |
338
|
|
|
*/ |
339
|
|
|
public function toArray() |
340
|
|
|
{ |
341
|
|
|
return array_values($this->result['documents']); |
342
|
|
|
} |
343
|
|
|
|
344
|
|
|
/** |
345
|
|
|
* Get total number of hits. |
346
|
|
|
* |
347
|
|
|
* This can be accessed in Fluid template using `.numFound`. |
348
|
|
|
* |
349
|
|
|
* @access public |
350
|
|
|
* |
351
|
|
|
* @return int |
352
|
|
|
*/ |
353
|
|
|
public function getNumFound() |
354
|
|
|
{ |
355
|
|
|
return $this->result['numFound']; |
356
|
|
|
} |
357
|
|
|
|
358
|
|
|
/** |
359
|
|
|
* Prepares SOLR search. |
360
|
|
|
* |
361
|
|
|
* @access public |
362
|
|
|
* |
363
|
|
|
* @return void |
364
|
|
|
*/ |
365
|
|
|
public function prepare() |
366
|
|
|
{ |
367
|
|
|
// Prepare query parameters. |
368
|
|
|
$params = []; |
369
|
|
|
$matches = []; |
370
|
|
|
$fields = Solr::getFields(); |
371
|
|
|
$query = ''; |
372
|
|
|
|
373
|
|
|
// Set search query. |
374
|
|
|
if ( |
375
|
|
|
!empty($this->searchParams['fulltext']) |
376
|
|
|
|| preg_match('/' . $fields['fulltext'] . ':\((.*)\)/', trim($this->searchParams['query'] ?? ''), $matches) |
377
|
|
|
) { |
378
|
|
|
// If the query already is a fulltext query e.g using the facets |
379
|
|
|
$this->searchParams['query'] = empty($matches[1]) ? $this->searchParams['query'] : $matches[1]; |
380
|
|
|
// Search in fulltext field if applicable. Query must not be empty! |
381
|
|
|
if (!empty($this->searchParams['query'])) { |
382
|
|
|
$query = $fields['fulltext'] . ':(' . Solr::escapeQuery(trim($this->searchParams['query'])) . ')'; |
383
|
|
|
} |
384
|
|
|
$params['fulltext'] = true; |
385
|
|
|
} else { |
386
|
|
|
// Retain given search field if valid. |
387
|
|
|
if (!empty($this->searchParams['query'])) { |
388
|
|
|
$query = Solr::escapeQueryKeepField(trim($this->searchParams['query']), $this->settings['storagePid']); |
389
|
|
|
} |
390
|
|
|
} |
391
|
|
|
|
392
|
|
|
// Add extended search query. |
393
|
|
|
if ( |
394
|
|
|
!empty($this->searchParams['extQuery']) |
395
|
|
|
&& is_array($this->searchParams['extQuery']) |
396
|
|
|
) { |
397
|
|
|
$allowedOperators = ['AND', 'OR', 'NOT']; |
398
|
|
|
$numberOfExtQueries = count($this->searchParams['extQuery']); |
399
|
|
|
for ($i = 0; $i < $numberOfExtQueries; $i++) { |
400
|
|
|
if (!empty($this->searchParams['extQuery'][$i])) { |
401
|
|
|
if ( |
402
|
|
|
in_array($this->searchParams['extOperator'][$i], $allowedOperators) |
403
|
|
|
) { |
404
|
|
|
if (!empty($query)) { |
405
|
|
|
$query .= ' ' . $this->searchParams['extOperator'][$i] . ' '; |
406
|
|
|
} |
407
|
|
|
$query .= Indexer::getIndexFieldName($this->searchParams['extField'][$i], $this->settings['storagePid']) . ':(' . Solr::escapeQuery($this->searchParams['extQuery'][$i]) . ')'; |
408
|
|
|
} |
409
|
|
|
} |
410
|
|
|
} |
411
|
|
|
} |
412
|
|
|
|
413
|
|
|
// Add filter query for date search |
414
|
|
|
if (!empty($this->searchParams['dateFrom']) && !empty($this->searchParams['dateTo'])) { |
415
|
|
|
// combine dateFrom and dateTo into range search |
416
|
|
|
$params['filterquery'][]['query'] = '{!join from=' . $fields['uid'] . ' to=' . $fields['uid'] . '}'. $fields['date'] . ':[' . $this->searchParams['dateFrom'] . ' TO ' . $this->searchParams['dateTo'] . ']'; |
417
|
|
|
} |
418
|
|
|
|
419
|
|
|
// Add filter query for faceting. |
420
|
|
|
if (isset($this->searchParams['fq']) && is_array($this->searchParams['fq'])) { |
421
|
|
|
foreach ($this->searchParams['fq'] as $filterQuery) { |
422
|
|
|
$params['filterquery'][]['query'] = $filterQuery; |
423
|
|
|
} |
424
|
|
|
} |
425
|
|
|
|
426
|
|
|
// Add filter query for in-document searching. |
427
|
|
|
if ( |
428
|
|
|
!empty($this->searchParams['documentId']) |
429
|
|
|
&& MathUtility::canBeInterpretedAsInteger($this->searchParams['documentId']) |
430
|
|
|
) { |
431
|
|
|
// Search in document and all subordinates (valid for up to three levels of hierarchy). |
432
|
|
|
$params['filterquery'][]['query'] = '_query_:"{!join from=' |
433
|
|
|
. $fields['uid'] . ' to=' . $fields['partof'] . '}' |
434
|
|
|
. $fields['uid'] . ':{!join from=' . $fields['uid'] . ' to=' . $fields['partof'] . '}' |
435
|
|
|
. $fields['uid'] . ':' . $this->searchParams['documentId'] . '"' . ' OR {!join from=' |
436
|
|
|
. $fields['uid'] . ' to=' . $fields['partof'] . '}' |
437
|
|
|
. $fields['uid'] . ':' . $this->searchParams['documentId'] . ' OR ' |
438
|
|
|
. $fields['uid'] . ':' . $this->searchParams['documentId']; |
439
|
|
|
} |
440
|
|
|
|
441
|
|
|
// if collections are given, we prepare the collection query string |
442
|
|
|
if (!empty($this->collections)) { |
443
|
|
|
$params['filterquery'][]['query'] = $this->getCollectionFilterQuery($query); |
444
|
|
|
} |
445
|
|
|
|
446
|
|
|
// Set some query parameters. |
447
|
|
|
$params['query'] = !empty($query) ? $query : '*'; |
448
|
|
|
|
449
|
|
|
$params['sort'] = $this->getSort(); |
450
|
|
|
$params['listMetadataRecords'] = []; |
451
|
|
|
|
452
|
|
|
// Restrict the fields to the required ones. |
453
|
|
|
$params['fields'] = 'uid,id,page,title,thumbnail,partof,toplevel,type'; |
454
|
|
|
|
455
|
|
|
if ($this->listedMetadata) { |
456
|
|
|
foreach ($this->listedMetadata as $metadata) { |
457
|
|
|
if ($metadata->getIndexStored() || $metadata->getIndexIndexed()) { |
458
|
|
|
$listMetadataRecord = $metadata->getIndexName() . '_' . ($metadata->getIndexTokenized() ? 't' : 'u') . ($metadata->getIndexStored() ? 's' : 'u') . ($metadata->getIndexIndexed() ? 'i' : 'u'); |
459
|
|
|
$params['fields'] .= ',' . $listMetadataRecord; |
460
|
|
|
$params['listMetadataRecords'][$metadata->getIndexName()] = $listMetadataRecord; |
461
|
|
|
} |
462
|
|
|
} |
463
|
|
|
} |
464
|
|
|
|
465
|
|
|
$this->params = $params; |
466
|
|
|
|
467
|
|
|
// Send off query to get total number of search results in advance |
468
|
|
|
$this->submit(0, 1, false); |
469
|
|
|
} |
470
|
|
|
|
471
|
|
|
/** |
472
|
|
|
* Submits SOLR search. |
473
|
|
|
* |
474
|
|
|
* @access public |
475
|
|
|
* |
476
|
|
|
* @param int $start |
477
|
|
|
* @param int $rows |
478
|
|
|
* @param bool $processResults default value is true |
479
|
|
|
* |
480
|
|
|
* @return void |
481
|
|
|
*/ |
482
|
|
|
public function submit($start, $rows, $processResults = true) |
483
|
|
|
{ |
484
|
|
|
$params = $this->params; |
485
|
|
|
$params['start'] = $start; |
486
|
|
|
$params['rows'] = $rows; |
487
|
|
|
|
488
|
|
|
// Perform search. |
489
|
|
|
$result = $this->searchSolr($params, true); |
490
|
|
|
|
491
|
|
|
// Initialize values |
492
|
|
|
$documents = []; |
493
|
|
|
|
494
|
|
|
if ($processResults && $result['numFound'] > 0) { |
495
|
|
|
// flat array with uids from Solr search |
496
|
|
|
$documentSet = array_unique(array_column($result['documents'], 'uid')); |
497
|
|
|
|
498
|
|
|
if (empty($documentSet)) { |
499
|
|
|
// return nothing found |
500
|
|
|
$this->result = ['solrResults' => [], 'documents' => [], 'document_keys' => [], 'numFound' => 0]; |
501
|
|
|
return; |
502
|
|
|
} |
503
|
|
|
|
504
|
|
|
// get the Extbase document objects for all uids |
505
|
|
|
$allDocuments = $this->documentRepository->findAllByUids($documentSet); |
506
|
|
|
$childrenOf = $this->documentRepository->findChildrenOfEach($documentSet); |
507
|
|
|
|
508
|
|
|
foreach ($result['documents'] as $doc) { |
509
|
|
|
if (empty($documents[$doc['uid']]) && isset($allDocuments[$doc['uid']])) { |
510
|
|
|
$documents[$doc['uid']] = $allDocuments[$doc['uid']]; |
511
|
|
|
} |
512
|
|
|
if (isset($documents[$doc['uid']])) { |
513
|
|
|
$this->translateLanguageCode($doc); |
514
|
|
|
if ($doc['toplevel'] === false) { |
515
|
|
|
// this maybe a chapter, article, ..., year |
516
|
|
|
if ($doc['type'] === 'year') { |
517
|
|
|
continue; |
518
|
|
|
} |
519
|
|
|
if (!empty($doc['page'])) { |
520
|
|
|
// it's probably a fulltext or metadata search |
521
|
|
|
$searchResult = []; |
522
|
|
|
$searchResult['page'] = $doc['page']; |
523
|
|
|
$searchResult['thumbnail'] = $doc['thumbnail']; |
524
|
|
|
$searchResult['structure'] = $doc['type']; |
525
|
|
|
$searchResult['title'] = $doc['title']; |
526
|
|
|
foreach ($params['listMetadataRecords'] as $indexName => $solrField) { |
527
|
|
|
if (isset($doc['metadata'][$indexName])) { |
528
|
|
|
$searchResult['metadata'][$indexName] = $doc['metadata'][$indexName]; |
529
|
|
|
} |
530
|
|
|
} |
531
|
|
|
if ($this->searchParams['fulltext'] == '1') { |
532
|
|
|
$searchResult['snippet'] = $doc['snippet']; |
533
|
|
|
$searchResult['highlight'] = $doc['highlight']; |
534
|
|
|
$searchResult['highlight_word'] = preg_replace('/^;|;$/', '', // remove ; at beginning or end |
535
|
|
|
preg_replace('/;+/', ';', // replace any multiple of ; with a single ; |
536
|
|
|
preg_replace('/[{~\d*}{\s+}{^=*\d+.*\d*}`~!@#$%\^&*()_|+-=?;:\'",.<>\{\}\[\]\\\]/', ';', $this->searchParams['query']))); // replace search operators and special characters with ; |
537
|
|
|
} |
538
|
|
|
$documents[$doc['uid']]['searchResults'][] = $searchResult; |
539
|
|
|
} |
540
|
|
|
} else if ($doc['toplevel'] === true) { |
541
|
|
|
foreach ($params['listMetadataRecords'] as $indexName => $solrField) { |
542
|
|
|
if (isset($doc['metadata'][$indexName])) { |
543
|
|
|
$documents[$doc['uid']]['metadata'][$indexName] = $doc['metadata'][$indexName]; |
544
|
|
|
} |
545
|
|
|
} |
546
|
|
|
if ($this->searchParams['fulltext'] != '1') { |
547
|
|
|
$documents[$doc['uid']]['page'] = 1; |
548
|
|
|
$children = $childrenOf[$doc['uid']] ?? []; |
549
|
|
|
|
550
|
|
|
if (!empty($children)) { |
551
|
|
|
$batchSize = 100; |
552
|
|
|
$totalChildren = count($children); |
553
|
|
|
|
554
|
|
|
for ($start = 0; $start < $totalChildren; $start += $batchSize) { |
555
|
|
|
$batch = array_slice($children, $start, $batchSize, true); |
556
|
|
|
|
557
|
|
|
// Fetch metadata for the current batch |
558
|
|
|
$metadataOf = $this->fetchToplevelMetadataFromSolr([ |
559
|
|
|
'query' => 'partof:' . $doc['uid'], |
560
|
|
|
'start' => $start, |
561
|
|
|
'rows' => min($batchSize, $totalChildren - $start), |
562
|
|
|
]); |
563
|
|
|
|
564
|
|
|
foreach ($batch as $docChild) { |
565
|
|
|
// We need only a few fields from the children, but we need them as an array. |
566
|
|
|
$childDocument = [ |
567
|
|
|
'thumbnail' => $docChild['thumbnail'], |
568
|
|
|
'title' => $docChild['title'], |
569
|
|
|
'structure' => $docChild['structure'], |
570
|
|
|
'metsOrderlabel' => $docChild['metsOrderlabel'], |
571
|
|
|
'uid' => $docChild['uid'], |
572
|
|
|
'metadata' => $metadataOf[$docChild['uid']], |
573
|
|
|
]; |
574
|
|
|
$documents[$doc['uid']]['children'][$docChild['uid']] = $childDocument; |
575
|
|
|
} |
576
|
|
|
} |
577
|
|
|
} |
578
|
|
|
} |
579
|
|
|
} |
580
|
|
|
} |
581
|
|
|
} |
582
|
|
|
} |
583
|
|
|
|
584
|
|
|
$this->result = ['solrResults' => $result, 'numberOfToplevels' => $result['numberOfToplevels'], 'documents' => $documents, 'document_keys' => array_keys($documents), 'numFound' => $result['numFound']]; |
585
|
|
|
} |
586
|
|
|
|
587
|
|
|
/** |
588
|
|
|
* Find all listed metadata using specified query params. |
589
|
|
|
* |
590
|
|
|
* @access protected |
591
|
|
|
* |
592
|
|
|
* @param array $queryParams |
593
|
|
|
* |
594
|
|
|
* @return array |
595
|
|
|
*/ |
596
|
|
|
protected function fetchToplevelMetadataFromSolr(array $queryParams): array |
597
|
|
|
{ |
598
|
|
|
// Prepare query parameters. |
599
|
|
|
$params = $queryParams; |
600
|
|
|
$metadataArray = []; |
601
|
|
|
|
602
|
|
|
// Set some query parameters. |
603
|
|
|
$params['listMetadataRecords'] = []; |
604
|
|
|
|
605
|
|
|
// Restrict the fields to the required ones. |
606
|
|
|
$params['fields'] = 'uid,toplevel'; |
607
|
|
|
|
608
|
|
|
if ($this->listedMetadata) { |
609
|
|
|
foreach ($this->listedMetadata as $metadata) { |
610
|
|
|
if ($metadata->getIndexStored() || $metadata->getIndexIndexed()) { |
611
|
|
|
$listMetadataRecord = $metadata->getIndexName() . '_' . ($metadata->getIndexTokenized() ? 't' : 'u') . ($metadata->getIndexStored() ? 's' : 'u') . ($metadata->getIndexIndexed() ? 'i' : 'u'); |
612
|
|
|
$params['fields'] .= ',' . $listMetadataRecord; |
613
|
|
|
$params['listMetadataRecords'][$metadata->getIndexName()] = $listMetadataRecord; |
614
|
|
|
} |
615
|
|
|
} |
616
|
|
|
} |
617
|
|
|
// Set filter query to just get toplevel documents. |
618
|
|
|
$params['filterquery'][] = ['query' => 'toplevel:true']; |
619
|
|
|
|
620
|
|
|
// Perform search. |
621
|
|
|
$result = $this->searchSolr($params, true); |
622
|
|
|
|
623
|
|
|
foreach ($result['documents'] as $doc) { |
624
|
|
|
$this->translateLanguageCode($doc); |
625
|
|
|
$metadataArray[$doc['uid']] = $doc['metadata']; |
626
|
|
|
} |
627
|
|
|
|
628
|
|
|
return $metadataArray; |
629
|
|
|
} |
630
|
|
|
|
631
|
|
|
/** |
632
|
|
|
* Processes a search request |
633
|
|
|
* |
634
|
|
|
* @access protected |
635
|
|
|
* |
636
|
|
|
* @param array $parameters Additional search parameters |
637
|
|
|
* @param boolean $enableCache Enable caching of Solr requests |
638
|
|
|
* |
639
|
|
|
* @return array The Apache Solr Documents that were fetched |
640
|
|
|
*/ |
641
|
|
|
protected function searchSolr($parameters = [], $enableCache = true) |
642
|
|
|
{ |
643
|
|
|
// Set query. |
644
|
|
|
$parameters['query'] = isset($parameters['query']) ? $parameters['query'] : '*'; |
645
|
|
|
$parameters['filterquery'] = isset($parameters['filterquery']) ? $parameters['filterquery'] : []; |
646
|
|
|
|
647
|
|
|
// Perform Solr query. |
648
|
|
|
// Instantiate search object. |
649
|
|
|
$solr = Solr::getInstance($this->settings['solrcore']); |
650
|
|
|
if (!$solr->ready) { |
651
|
|
|
Helper::log('Apache Solr not available', LOG_SEVERITY_ERROR); |
652
|
|
|
return [ |
653
|
|
|
'documents' => [], |
654
|
|
|
'numberOfToplevels' => 0, |
655
|
|
|
'numFound' => 0, |
656
|
|
|
]; |
657
|
|
|
} |
658
|
|
|
|
659
|
|
|
$cacheIdentifier = ''; |
660
|
|
|
$cache = null; |
661
|
|
|
// Calculate cache identifier. |
662
|
|
|
if ($enableCache === true) { |
663
|
|
|
$cacheIdentifier = Helper::digest($solr->core . print_r($parameters, true)); |
|
|
|
|
664
|
|
|
$cache = GeneralUtility::makeInstance(CacheManager::class)->getCache('tx_dlf_solr'); |
665
|
|
|
} |
666
|
|
|
$resultSet = [ |
667
|
|
|
'documents' => [], |
668
|
|
|
'numberOfToplevels' => 0, |
669
|
|
|
'numFound' => 0, |
670
|
|
|
]; |
671
|
|
|
if ($enableCache === false || ($entry = $cache->get($cacheIdentifier)) === false) { |
672
|
|
|
$selectQuery = $solr->service->createSelect($parameters); |
673
|
|
|
|
674
|
|
|
$edismax = $selectQuery->getEDisMax(); |
675
|
|
|
|
676
|
|
|
$queryFields = ''; |
677
|
|
|
|
678
|
|
|
if ($this->indexedMetadata) { |
679
|
|
|
foreach ($this->indexedMetadata as $metadata) { |
680
|
|
|
if ($metadata->getIndexIndexed()) { |
681
|
|
|
$listMetadataRecord = $metadata->getIndexName() . '_' . ($metadata->getIndexTokenized() ? 't' : 'u') . ($metadata->getIndexStored() ? 's' : 'u') . 'i'; |
682
|
|
|
$queryFields .= $listMetadataRecord . '^' . $metadata->getIndexBoost() . ' '; |
683
|
|
|
} |
684
|
|
|
} |
685
|
|
|
} |
686
|
|
|
|
687
|
|
|
$edismax->setQueryFields($queryFields); |
688
|
|
|
|
689
|
|
|
$grouping = $selectQuery->getGrouping(); |
690
|
|
|
$grouping->addField('uid'); |
691
|
|
|
$grouping->setLimit(100); // Results in group (TODO: check) |
692
|
|
|
$grouping->setNumberOfGroups(true); |
693
|
|
|
|
694
|
|
|
$fulltextExists = $parameters['fulltext'] ?? false; |
695
|
|
|
if ($fulltextExists === true) { |
696
|
|
|
// get highlighting component and apply settings |
697
|
|
|
$selectQuery->getHighlighting(); |
698
|
|
|
} |
699
|
|
|
|
700
|
|
|
$solrRequest = $solr->service->createRequest($selectQuery); |
701
|
|
|
|
702
|
|
|
if ($fulltextExists === true) { |
703
|
|
|
// If it is a fulltext search, enable highlighting. |
704
|
|
|
// field for which highlighting is going to be performed, |
705
|
|
|
// is required if you want to have OCR highlighting |
706
|
|
|
$solrRequest->addParam('hl.ocr.fl', 'fulltext'); |
707
|
|
|
// return the coordinates of highlighted search as absolute coordinates |
708
|
|
|
$solrRequest->addParam('hl.ocr.absoluteHighlights', 'on'); |
709
|
|
|
// max amount of snippets for a single page |
710
|
|
|
$solrRequest->addParam('hl.snippets', '20'); |
711
|
|
|
// we store the fulltext on page level and can disable this option |
712
|
|
|
$solrRequest->addParam('hl.ocr.trackPages', 'off'); |
713
|
|
|
} |
714
|
|
|
|
715
|
|
|
// Perform search for all documents with the same uid that either fit to the search or marked as toplevel. |
716
|
|
|
$response = $solr->service->executeRequest($solrRequest); |
717
|
|
|
// return empty resultSet on error-response |
718
|
|
|
if ($response->getStatusCode() == 400) { |
719
|
|
|
return $resultSet; |
720
|
|
|
} |
721
|
|
|
$result = $solr->service->createResult($selectQuery, $response); |
722
|
|
|
|
723
|
|
|
// TODO: Call to an undefined method Solarium\Core\Query\Result\ResultInterface::getGrouping(). |
724
|
|
|
// @phpstan-ignore-next-line |
725
|
|
|
$uidGroup = $result->getGrouping()->getGroup('uid'); |
|
|
|
|
726
|
|
|
$resultSet['numberOfToplevels'] = $uidGroup->getNumberOfGroups(); |
727
|
|
|
$resultSet['numFound'] = $uidGroup->getMatches(); |
728
|
|
|
$highlighting = []; |
729
|
|
|
if ($fulltextExists === true) { |
730
|
|
|
$data = $result->getData(); |
731
|
|
|
$highlighting = $data['ocrHighlighting']; |
732
|
|
|
} |
733
|
|
|
$fields = Solr::getFields(); |
734
|
|
|
|
735
|
|
|
foreach ($uidGroup as $group) { |
736
|
|
|
foreach ($group as $record) { |
737
|
|
|
$resultSet['documents'][] = $this->getDocument($record, $highlighting, $fields, $parameters); |
738
|
|
|
} |
739
|
|
|
} |
740
|
|
|
|
741
|
|
|
// Save value in cache. |
742
|
|
|
if (!empty($resultSet['documents']) && $enableCache === true) { |
743
|
|
|
$cache->set($cacheIdentifier, $resultSet); |
744
|
|
|
} |
745
|
|
|
} else { |
746
|
|
|
// Return cache hit. |
747
|
|
|
$resultSet = $entry; |
748
|
|
|
} |
749
|
|
|
return $resultSet; |
750
|
|
|
} |
751
|
|
|
|
752
|
|
|
/** |
753
|
|
|
* Get collection filter query for search. |
754
|
|
|
* |
755
|
|
|
* @access private |
756
|
|
|
* |
757
|
|
|
* @param string $query |
758
|
|
|
* |
759
|
|
|
* @return string |
760
|
|
|
*/ |
761
|
|
|
private function getCollectionFilterQuery(string $query) : string |
762
|
|
|
{ |
763
|
|
|
$collectionsQueryString = ''; |
764
|
|
|
$virtualCollectionsQueryString = ''; |
765
|
|
|
foreach ($this->collections as $collection) { |
766
|
|
|
// check for virtual collections query string |
767
|
|
|
if ($collection->getIndexSearch()) { |
768
|
|
|
$virtualCollectionsQueryString .= empty($virtualCollectionsQueryString) ? '(' . $collection->getIndexSearch() . ')' : ' OR (' . $collection->getIndexSearch() . ')'; |
769
|
|
|
} else { |
770
|
|
|
$collectionsQueryString .= empty($collectionsQueryString) ? '"' . $collection->getIndexName() . '"' : ' OR "' . $collection->getIndexName() . '"'; |
771
|
|
|
} |
772
|
|
|
} |
773
|
|
|
|
774
|
|
|
// distinguish between simple collection browsing and actual searching within the collection(s) |
775
|
|
|
if (!empty($collectionsQueryString)) { |
776
|
|
|
if (empty($query)) { |
777
|
|
|
$collectionsQueryString = '(collection_faceting:(' . $collectionsQueryString . ') AND toplevel:true AND partof:0)'; |
778
|
|
|
} else { |
779
|
|
|
$collectionsQueryString = '(collection_faceting:(' . $collectionsQueryString . '))'; |
780
|
|
|
} |
781
|
|
|
} |
782
|
|
|
|
783
|
|
|
// virtual collections might query documents that are neither toplevel:true nor partof:0 and need to be searched separately |
784
|
|
|
if (!empty($virtualCollectionsQueryString)) { |
785
|
|
|
$virtualCollectionsQueryString = '(' . $virtualCollectionsQueryString . ')'; |
786
|
|
|
} |
787
|
|
|
|
788
|
|
|
// combine both query strings into a single filterquery via OR if both are given, otherwise pass either of those |
789
|
|
|
return implode(' OR ', array_filter([$collectionsQueryString, $virtualCollectionsQueryString])); |
790
|
|
|
} |
791
|
|
|
|
792
|
|
|
/** |
793
|
|
|
* Get sort order of the results as given or by title as default. |
794
|
|
|
* |
795
|
|
|
* @access private |
796
|
|
|
* |
797
|
|
|
* @return array |
798
|
|
|
*/ |
799
|
|
|
private function getSort() : array |
800
|
|
|
{ |
801
|
|
|
if (!empty($this->searchParams['orderBy'])) { |
802
|
|
|
return [ |
803
|
|
|
$this->searchParams['orderBy'] => $this->searchParams['order'], |
804
|
|
|
]; |
805
|
|
|
} |
806
|
|
|
|
807
|
|
|
return [ |
808
|
|
|
'score' => 'desc', |
809
|
|
|
'year_sorting' => 'asc', |
810
|
|
|
'title_sorting' => 'asc', |
811
|
|
|
'volume' => 'asc' |
812
|
|
|
]; |
813
|
|
|
} |
814
|
|
|
|
815
|
|
|
/** |
816
|
|
|
* Gets a document |
817
|
|
|
* |
818
|
|
|
* @access private |
819
|
|
|
* |
820
|
|
|
* @param Document $record |
821
|
|
|
* @param array $highlighting |
822
|
|
|
* @param array $fields |
823
|
|
|
* @param array $parameters |
824
|
|
|
* |
825
|
|
|
* @return array The Apache Solr Documents that were fetched |
826
|
|
|
*/ |
827
|
|
|
private function getDocument(Document $record, array $highlighting, array $fields, $parameters) { |
828
|
|
|
$resultDocument = new ResultDocument($record, $highlighting, $fields); |
829
|
|
|
|
830
|
|
|
$document = [ |
831
|
|
|
'id' => $resultDocument->getId(), |
832
|
|
|
'page' => $resultDocument->getPage(), |
833
|
|
|
'snippet' => $resultDocument->getSnippets(), |
834
|
|
|
'thumbnail' => $resultDocument->getThumbnail(), |
835
|
|
|
'title' => $resultDocument->getTitle(), |
836
|
|
|
'toplevel' => $resultDocument->getToplevel(), |
837
|
|
|
'type' => $resultDocument->getType(), |
838
|
|
|
'uid' => !empty($resultDocument->getUid()) ? $resultDocument->getUid() : $parameters['uid'], |
839
|
|
|
'highlight' => $resultDocument->getHighlightsIds(), |
840
|
|
|
]; |
841
|
|
|
|
842
|
|
|
foreach ($parameters['listMetadataRecords'] as $indexName => $solrField) { |
843
|
|
|
if (!empty($record->$solrField)) { |
844
|
|
|
$document['metadata'][$indexName] = $record->$solrField; |
845
|
|
|
} |
846
|
|
|
} |
847
|
|
|
|
848
|
|
|
return $document; |
849
|
|
|
} |
850
|
|
|
|
851
|
|
|
/** |
852
|
|
|
* Translate language code if applicable. |
853
|
|
|
* |
854
|
|
|
* @access private |
855
|
|
|
* |
856
|
|
|
* @param &$doc document array |
857
|
|
|
* |
858
|
|
|
* @return void |
859
|
|
|
*/ |
860
|
|
|
private function translateLanguageCode(&$doc): void |
861
|
|
|
{ |
862
|
|
|
if (array_key_exists('language', $doc['metadata'])) { |
863
|
|
|
foreach($doc['metadata']['language'] as $indexName => $language) { |
864
|
|
|
$doc['metadata']['language'][$indexName] = Helper::getLanguageName($language); |
865
|
|
|
} |
866
|
|
|
} |
867
|
|
|
} |
868
|
|
|
} |
869
|
|
|
|