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Bug 24706: Fix ergonomic issue on the list view if empty
[koha.git] / C4 / Search.pm
blob8d5ca863e9fe7917b72e0593e961b63141c2f5b8
1 package C4::Search;
2
3 # This file is part of Koha.
4 #
5 # Koha is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
9 #
10 # Koha is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
14 #
15 # You should have received a copy of the GNU General Public License
16 # along with Koha; if not, see <http://www.gnu.org/licenses>.
17
18 use Modern::Perl;
19 require Exporter;
20 use C4::Context;
21 use C4::Biblio; # GetMarcFromKohaField, GetBiblioData
22 use C4::Koha; # getFacets
23 use Koha::DateUtils;
24 use Koha::Libraries;
25 use Lingua::Stem;
26 use C4::Search::PazPar2;
27 use XML::Simple;
28 use C4::XSLT;
29 use C4::Reserves; # GetReserveStatus
30 use C4::Debug;
31 use C4::Charset;
32 use Koha::AuthorisedValues;
33 use Koha::ItemTypes;
34 use Koha::Libraries;
35 use Koha::Patrons;
36 use YAML;
37 use URI::Escape;
38 use Business::ISBN;
39 use MARC::Record;
40 use MARC::Field;
41 use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $DEBUG);
42
43 BEGIN {
44 $DEBUG = ($ENV{DEBUG}) ? 1 : 0;
45 }
46
47 =head1 NAME
48
49 C4::Search - Functions for searching the Koha catalog.
50
51 =head1 SYNOPSIS
52
53 See opac/opac-search.pl or catalogue/search.pl for example of usage
54
55 =head1 DESCRIPTION
56
57 This module provides searching functions for Koha's bibliographic databases
58
59 =head1 FUNCTIONS
60
61 =cut
62
63 @ISA = qw(Exporter);
64 @EXPORT = qw(
65 &FindDuplicate
66 &SimpleSearch
67 &searchResults
68 &getRecords
69 &buildQuery
70 &GetDistinctValues
71 &enabled_staff_search_views
72 );
73
74 # make all your functions, whether exported or not;
75
76 =head2 FindDuplicate
77
78 ($biblionumber,$biblionumber,$title) = FindDuplicate($record);
79
80 This function attempts to find duplicate records using a hard-coded, fairly simplistic algorithm
81
82 =cut
83
84 sub FindDuplicate {
85 my ($record) = @_;
86 my $dbh = C4::Context->dbh;
87 my $result = TransformMarcToKoha( $record, '' );
88 my $sth;
89 my $query;
90 my $search;
91 my $type;
92 my ( $biblionumber, $title );
93
94 # search duplicate on ISBN, easy and fast..
95 # ... normalize first
96 if ( $result->{isbn} ) {
97 $result->{isbn} =~ s/\(.*$//;
98 $result->{isbn} =~ s/\s+$//;
99 $query = "isbn:$result->{isbn}";
100 }
101 else {
102 my $QParser;
103 $QParser = C4::Context->queryparser if (C4::Context->preference('UseQueryParser'));
104 my $titleindex;
105 my $authorindex;
106 my $op;
107
108 if ($QParser) {
109 $titleindex = 'title|exact';
110 $authorindex = 'author|exact';
111 $op = '&&';
112 $QParser->custom_data->{'QueryAutoTruncate'} = C4::Context->preference('QueryAutoTruncate');
113 } else {
114 $titleindex = 'ti,ext';
115 $authorindex = 'au,ext';
116 $op = 'and';
117 }
118
119 $result->{title} =~ s /\\//g;
120 $result->{title} =~ s /\"//g;
121 $result->{title} =~ s /\(//g;
122 $result->{title} =~ s /\)//g;
123
124 # FIXME: instead of removing operators, could just do
125 # quotes around the value
126 $result->{title} =~ s/(and|or|not)//g;
127 $query = "$titleindex:\"$result->{title}\"";
128 if ( $result->{author} ) {
129 $result->{author} =~ s /\\//g;
130 $result->{author} =~ s /\"//g;
131 $result->{author} =~ s /\(//g;
132 $result->{author} =~ s /\)//g;
133
134 # remove valid operators
135 $result->{author} =~ s/(and|or|not)//g;
136 $query .= " $op $authorindex:\"$result->{author}\"";
137 }
138 }
139
140 my ( $error, $searchresults, undef ) = SimpleSearch($query); # FIXME :: hardcoded !
141 my @results;
142 if (!defined $error) {
143 foreach my $possible_duplicate_record (@{$searchresults}) {
144 my $marcrecord = new_record_from_zebra(
145 'biblioserver',
146 $possible_duplicate_record
147 );
148
149 my $result = TransformMarcToKoha( $marcrecord, '' );
150
151 # FIXME :: why 2 $biblionumber ?
152 if ($result) {
153 push @results, $result->{'biblionumber'};
154 push @results, $result->{'title'};
155 }
156 }
157 }
158 return @results;
159 }
160
161 =head2 SimpleSearch
162
163 ( $error, $results, $total_hits ) = SimpleSearch( $query, $offset, $max_results, [@servers], [%options] );
164
165 This function provides a simple search API on the bibliographic catalog
166
167 =over 2
168
169 =item C<input arg:>
170
171 * $query can be a simple keyword or a complete CCL query
172 * @servers is optional. Defaults to biblioserver as found in koha-conf.xml
173 * $offset - If present, represents the number of records at the beginning to omit. Defaults to 0
174 * $max_results - if present, determines the maximum number of records to fetch. undef is All. defaults to undef.
175 * %options is optional. (e.g. "skip_normalize" allows you to skip changing : to = )
176
177
178 =item C<Return:>
179
180 Returns an array consisting of three elements
181 * $error is undefined unless an error is detected
182 * $results is a reference to an array of records.
183 * $total_hits is the number of hits that would have been returned with no limit
184
185 If an error is returned the two other return elements are undefined. If error itself is undefined
186 the other two elements are always defined
187
188 =item C<usage in the script:>
189
190 =back
191
192 my ( $error, $marcresults, $total_hits ) = SimpleSearch($query);
193
194 if (defined $error) {
195 $template->param(query_error => $error);
196 warn "error: ".$error;
197 output_html_with_http_headers $input, $cookie, $template->output;
198 exit;
199 }
200
201 my $hits = @{$marcresults};
202 my @results;
203
204 for my $r ( @{$marcresults} ) {
205 my $marcrecord = MARC::File::USMARC::decode($r);
206 my $biblio = TransformMarcToKoha($marcrecord,q{});
207
208 #build the iarray of hashs for the template.
209 push @results, {
210 title => $biblio->{'title'},
211 subtitle => $biblio->{'subtitle'},
212 biblionumber => $biblio->{'biblionumber'},
213 author => $biblio->{'author'},
214 publishercode => $biblio->{'publishercode'},
215 publicationyear => $biblio->{'publicationyear'},
216 };
217
218 }
219
220 $template->param(result=>\@results);
221
222 =cut
223
224 sub SimpleSearch {
225 my ( $query, $offset, $max_results, $servers, %options ) = @_;
226
227 return ( 'No query entered', undef, undef ) unless $query;
228 # FIXME hardcoded value. See catalog/search.pl & opac-search.pl too.
229 my @servers = defined ( $servers ) ? @$servers : ( 'biblioserver' );
230 my @zoom_queries;
231 my @tmpresults;
232 my @zconns;
233 my $results = [];
234 my $total_hits = 0;
235
236 my $QParser;
237 $QParser = C4::Context->queryparser if (C4::Context->preference('UseQueryParser') && ! ($query =~ m/\w,\w|\w=\w/));
238 if ($QParser) {
239 $QParser->custom_data->{'QueryAutoTruncate'} = C4::Context->preference('QueryAutoTruncate');
240 }
241
242 # Initialize & Search Zebra
243 for ( my $i = 0 ; $i < @servers ; $i++ ) {
244 eval {
245 $zconns[$i] = C4::Context->Zconn( $servers[$i], 1 );
246 if ($QParser) {
247 $query =~ s/=/:/g unless $options{skip_normalize};
248 $QParser->parse( $query );
249 $query = $QParser->target_syntax($servers[$i]);
250 $zoom_queries[$i] = new ZOOM::Query::PQF( $query, $zconns[$i]);
251 } else {
252 $query =~ s/:/=/g unless $options{skip_normalize};
253 $zoom_queries[$i] = new ZOOM::Query::CCL2RPN( $query, $zconns[$i]);
254 }
255 $tmpresults[$i] = $zconns[$i]->search( $zoom_queries[$i] );
256
257 # error handling
258 my $error =
259 $zconns[$i]->errmsg() . " ("
260 . $zconns[$i]->errcode() . ") "
261 . $zconns[$i]->addinfo() . " "
262 . $zconns[$i]->diagset();
263
264 return ( $error, undef, undef ) if $zconns[$i]->errcode();
265 };
266 if ($@) {
267
268 # caught a ZOOM::Exception
269 my $error =
270 $@->message() . " ("
271 . $@->code() . ") "
272 . $@->addinfo() . " "
273 . $@->diagset();
274 warn $error." for query: $query";
275 return ( $error, undef, undef );
276 }
277 }
278
279 _ZOOM_event_loop(
280 \@zconns,
281 \@tmpresults,
282 sub {
283 my ($i, $size) = @_;
284 my $first_record = defined($offset) ? $offset + 1 : 1;
285 my $hits = $tmpresults[ $i - 1 ]->size();
286 $total_hits += $hits;
287 my $last_record = $hits;
288 if ( defined $max_results && $offset + $max_results < $hits ) {
289 $last_record = $offset + $max_results;
290 }
291
292 for my $j ( $first_record .. $last_record ) {
293 my $record = eval {
294 $tmpresults[ $i - 1 ]->record( $j - 1 )->raw()
295 ; # 0 indexed
296 };
297 push @{$results}, $record if defined $record;
298 }
299 }
300 );
301
302 foreach my $zoom_query (@zoom_queries) {
303 $zoom_query->destroy();
304 }
305
306 return ( undef, $results, $total_hits );
307 }
308
309 =head2 getRecords
310
311 ( undef, $results_hashref, \@facets_loop ) = getRecords (
312
313 $koha_query, $simple_query, $sort_by_ref, $servers_ref,
314 $results_per_page, $offset, $branches, $itemtypes,
315 $query_type, $scan, $opac
316 );
317
318 The all singing, all dancing, multi-server, asynchronous, scanning,
319 searching, record nabbing, facet-building
320
321 See verbose embedded documentation.
322
323 =cut
324
325 sub getRecords {
326 my (
327 $koha_query, $simple_query, $sort_by_ref, $servers_ref,
328 $results_per_page, $offset, $branches, $itemtypes,
329 $query_type, $scan, $opac
330 ) = @_;
331
332 my @servers = @$servers_ref;
333 my @sort_by = @$sort_by_ref;
334 $offset = 0 if $offset < 0;
335
336 # Initialize variables for the ZOOM connection and results object
337 my $zconn;
338 my @zconns;
339 my @results;
340 my $results_hashref = ();
341
342 # TODO simplify this structure ( { branchcode => $branchname } is enought) and remove this parameter
343 $branches ||= { map { $_->branchcode => { branchname => $_->branchname } } Koha::Libraries->search };
344
345 # Initialize variables for the faceted results objects
346 my $facets_counter = {};
347 my $facets_info = {};
348 my $facets = getFacets();
349
350 my @facets_loop; # stores the ref to array of hashes for template facets loop
351
352 ### LOOP THROUGH THE SERVERS
353 for ( my $i = 0 ; $i < @servers ; $i++ ) {
354 $zconns[$i] = C4::Context->Zconn( $servers[$i], 1 );
355
356 # perform the search, create the results objects
357 # if this is a local search, use the $koha-query, if it's a federated one, use the federated-query
358 my $query_to_use = ($servers[$i] =~ /biblioserver/) ? $koha_query : $simple_query;
359
360 #$query_to_use = $simple_query if $scan;
361 warn $simple_query if ( $scan and $DEBUG );
362
363 # Check if we've got a query_type defined, if so, use it
364 eval {
365 if ($query_type) {
366 if ($query_type =~ /^ccl/) {
367 $query_to_use =~ s/\:/\=/g; # change : to = last minute (FIXME)
368 $results[$i] = $zconns[$i]->search(new ZOOM::Query::CCL2RPN($query_to_use, $zconns[$i]));
369 } elsif ($query_type =~ /^cql/) {
370 $results[$i] = $zconns[$i]->search(new ZOOM::Query::CQL($query_to_use, $zconns[$i]));
371 } elsif ($query_type =~ /^pqf/) {
372 $results[$i] = $zconns[$i]->search(new ZOOM::Query::PQF($query_to_use, $zconns[$i]));
373 } else {
374 warn "Unknown query_type '$query_type'. Results undetermined.";
375 }
376 } elsif ($scan) {
377 $results[$i] = $zconns[$i]->scan( new ZOOM::Query::CCL2RPN($query_to_use, $zconns[$i]));
378 } else {
379 $results[$i] = $zconns[$i]->search(new ZOOM::Query::CCL2RPN($query_to_use, $zconns[$i]));
380 }
381 };
382 if ($@) {
383 warn "WARNING: query problem with $query_to_use " . $@;
384 }
385
386 # Concatenate the sort_by limits and pass them to the results object
387 # Note: sort will override rank
388 my $sort_by;
389 foreach my $sort (@sort_by) {
390 if ( $sort eq "author_az" || $sort eq "author_asc" ) {
391 $sort_by .= "1=1003 <i ";
392 }
393 elsif ( $sort eq "author_za" || $sort eq "author_dsc" ) {
394 $sort_by .= "1=1003 >i ";
395 }
396 elsif ( $sort eq "popularity_asc" ) {
397 $sort_by .= "1=9003 <i ";
398 }
399 elsif ( $sort eq "popularity_dsc" ) {
400 $sort_by .= "1=9003 >i ";
401 }
402 elsif ( $sort eq "call_number_asc" ) {
403 $sort_by .= "1=8007 <i ";
404 }
405 elsif ( $sort eq "call_number_dsc" ) {
406 $sort_by .= "1=8007 >i ";
407 }
408 elsif ( $sort eq "pubdate_asc" ) {
409 $sort_by .= "1=31 <i ";
410 }
411 elsif ( $sort eq "pubdate_dsc" ) {
412 $sort_by .= "1=31 >i ";
413 }
414 elsif ( $sort eq "acqdate_asc" ) {
415 $sort_by .= "1=32 <i ";
416 }
417 elsif ( $sort eq "acqdate_dsc" ) {
418 $sort_by .= "1=32 >i ";
419 }
420 elsif ( $sort eq "title_az" || $sort eq "title_asc" ) {
421 $sort_by .= "1=4 <i ";
422 }
423 elsif ( $sort eq "title_za" || $sort eq "title_dsc" ) {
424 $sort_by .= "1=4 >i ";
425 }
426 else {
427 warn "Ignoring unrecognized sort '$sort' requested" if $sort_by;
428 }
429 }
430 if ( $sort_by && !$scan && $results[$i] ) {
431 if ( $results[$i]->sort( "yaz", $sort_by ) < 0 ) {
432 warn "WARNING sort $sort_by failed";
433 }
434 }
435 } # finished looping through servers
436
437 # The big moment: asynchronously retrieve results from all servers
438 _ZOOM_event_loop(
439 \@zconns,
440 \@results,
441 sub {
442 my ( $i, $size ) = @_;
443 my $results_hash;
444
445 # loop through the results
446 $results_hash->{'hits'} = $size;
447 my $times;
448 if ( $offset + $results_per_page <= $size ) {
449 $times = $offset + $results_per_page;
450 }
451 else {
452 $times = $size;
453 }
454
455 for ( my $j = $offset ; $j < $times ; $j++ ) {
456 my $records_hash;
457 my $record;
458
459 ## Check if it's an index scan
460 if ($scan) {
461 my ( $term, $occ ) = $results[ $i - 1 ]->display_term($j);
462
463 # here we create a minimal MARC record and hand it off to the
464 # template just like a normal result ... perhaps not ideal, but
465 # it works for now
466 my $tmprecord = MARC::Record->new();
467 $tmprecord->encoding('UTF-8');
468 my $tmptitle;
469 my $tmpauthor;
470
471 # the minimal record in author/title (depending on MARC flavour)
472 if ( C4::Context->preference("marcflavour") eq
473 "UNIMARC" )
474 {
475 $tmptitle = MARC::Field->new(
476 '200', ' ', ' ',
477 a => $term,
478 f => $occ
479 );
480 $tmprecord->append_fields($tmptitle);
481 }
482 else {
483 $tmptitle =
484 MARC::Field->new( '245', ' ', ' ', a => $term, );
485 $tmpauthor =
486 MARC::Field->new( '100', ' ', ' ', a => $occ, );
487 $tmprecord->append_fields($tmptitle);
488 $tmprecord->append_fields($tmpauthor);
489 }
490 $results_hash->{'RECORDS'}[$j] =
491 $tmprecord->as_usmarc();
492 }
493
494 # not an index scan
495 else {
496 $record = $results[ $i - 1 ]->record($j)->raw();
497 # warn "RECORD $j:".$record;
498 $results_hash->{'RECORDS'}[$j] = $record;
499 }
500
501 }
502 $results_hashref->{ $servers[ $i - 1 ] } = $results_hash;
503
504 # Fill the facets while we're looping, but only for the
505 # biblioserver and not for a scan
506 if ( !$scan && $servers[ $i - 1 ] =~ /biblioserver/ ) {
507 $facets_counter = GetFacets( $results[ $i - 1 ] );
508 $facets_info = _get_facets_info( $facets );
509 }
510
511 # BUILD FACETS
512 if ( $servers[ $i - 1 ] =~ /biblioserver/ ) {
513 for my $link_value (
514 sort { $facets_counter->{$b} <=> $facets_counter->{$a} }
515 keys %$facets_counter
516 )
517 {
518 my @this_facets_array;
519 for my $one_facet (
520 sort {
521 $facets_counter->{$link_value}
522 ->{$b} <=> $facets_counter->{$link_value}
523 ->{$a}
524 } keys %{ $facets_counter->{$link_value} }
525 )
526 {
527 # Sanitize the link value : parenthesis, question and exclamation mark will cause errors with CCL
528 my $facet_link_value = $one_facet;
529 $facet_link_value =~ s/[()!?¡¿؟]/ /g;
530
531 # fix the length that will display in the label,
532 my $facet_label_value = $one_facet;
533 my $facet_max_length = C4::Context->preference(
534 'FacetLabelTruncationLength')
535 || 20;
536 $facet_label_value =
537 substr( $one_facet, 0, $facet_max_length )
538 . "..."
539 if length($facet_label_value) >
540 $facet_max_length;
541
542 # if it's a branch, label by the name, not the code,
543 if ( $link_value =~ /branch/ ) {
544 if ( defined $branches
545 && ref($branches) eq "HASH"
546 && defined $branches->{$one_facet}
547 && ref( $branches->{$one_facet} ) eq
548 "HASH" )
549 {
550 $facet_label_value =
551 $branches->{$one_facet}
552 ->{'branchname'};
553 }
554 else {
555 $facet_label_value = "*";
556 }
557 }
558
559 # if it's a itemtype, label by the name, not the code,
560 if ( $link_value =~ /itype/ ) {
561 if ( defined $itemtypes
562 && ref($itemtypes) eq "HASH"
563 && defined $itemtypes->{$one_facet}
564 && ref( $itemtypes->{$one_facet} ) eq
565 "HASH" )
566 {
567 $facet_label_value =
568 $itemtypes->{$one_facet}
569 ->{translated_description};
570 }
571 }
572
573 # also, if it's a location code, use the name instead of the code
574 if ( $link_value =~ /location/ ) {
575 # TODO Retrieve all authorised values at once, instead of 1 query per entry
576 my $av = Koha::AuthorisedValues->search({ category => 'LOC', authorised_value => $one_facet });
577 $facet_label_value = $av->count ? $av->next->opac_description : '';
578 }
579
580 # also, if it's a collection code, use the name instead of the code
581 if ( $link_value =~ /ccode/ ) {
582 # TODO Retrieve all authorised values at once, instead of 1 query per entry
583 my $av = Koha::AuthorisedValues->search({ category => 'CCODE', authorised_value => $one_facet });
584 $facet_label_value = $av->count ? $av->next->opac_description : '';
585 }
586
587 # but we're down with the whole label being in the link's title.
588 push @this_facets_array,
589 {
590 facet_count =>
591 $facets_counter->{$link_value}
592 ->{$one_facet},
593 facet_label_value => $facet_label_value,
594 facet_title_value => $one_facet,
595 facet_link_value => $facet_link_value,
596 type_link_value => $link_value,
597 }
598 if ($facet_label_value);
599 }
600
601 push @facets_loop,
602 {
603 type_link_value => $link_value,
604 type_id => $link_value . "_id",
605 "type_label_"
606 . $facets_info->{$link_value}->{'label_value'} =>
607 1,
608 facets => \@this_facets_array,
609 }
610 unless (
611 (
612 $facets_info->{$link_value}->{'label_value'} =~
613 /Libraries/
614 )
615 and ( Koha::Libraries->search->count == 1 )
616 );
617 }
618 }
619 }
620 );
621
622 # This sorts the facets into alphabetical order
623 if (@facets_loop) {
624 foreach my $f (@facets_loop) {
625 $f->{facets} = [ sort { uc($a->{facet_label_value}) cmp uc($b->{facet_label_value}) } @{ $f->{facets} } ];
626 }
627 @facets_loop = sort {defined $a->{expand} && defined $b->{expand} && $a->{expand} cmp $b->{expand}} @facets_loop;
628 }
629
630 return ( undef, $results_hashref, \@facets_loop );
631 }
632
633 sub GetFacets {
634
635 my $rs = shift;
636 my $facets;
637
638 my $use_zebra_facets = C4::Context->config('use_zebra_facets') // 0;
639
640 if ( $use_zebra_facets ) {
641 $facets = _get_facets_from_zebra( $rs );
642 } else {
643 $facets = _get_facets_from_records( $rs );
644 }
645
646 return $facets;
647 }
648
649 sub _get_facets_from_records {
650
651 my $rs = shift;
652
653 my $facets_maxrecs = C4::Context->preference('maxRecordsForFacets') // 20;
654 my $facets_config = getFacets();
655 my $facets = {};
656 my $size = $rs->size();
657 my $jmax = $size > $facets_maxrecs
658 ? $facets_maxrecs
659 : $size;
660
661 for ( my $j = 0 ; $j < $jmax ; $j++ ) {
662
663 my $marc_record = new_record_from_zebra (
664 'biblioserver',
665 $rs->record( $j )->raw()
666 );
667
668 if ( ! defined $marc_record ) {
669 warn "ERROR DECODING RECORD - $@: " .
670 $rs->record( $j )->raw();
671 next;
672 }
673
674 _get_facets_data_from_record( $marc_record, $facets_config, $facets );
675 }
676
677 return $facets;
678 }
679
680 =head2 _get_facets_data_from_record
681
682 C4::Search::_get_facets_data_from_record( $marc_record, $facets, $facets_counter );
683
684 Internal function that extracts facets information from a MARC::Record object
685 and populates $facets_counter for using in getRecords.
686
687 $facets is expected to be filled with C4::Koha::getFacets output (i.e. the configured
688 facets for Zebra).
689
690 =cut
691
692 sub _get_facets_data_from_record {
693
694 my ( $marc_record, $facets, $facets_counter ) = @_;
695
696 for my $facet (@$facets) {
697
698 my @used_datas = ();
699
700 foreach my $tag ( @{ $facet->{ tags } } ) {
701
702 # tag number is the first three digits
703 my $tag_num = substr( $tag, 0, 3 );
704 # subfields are the remainder
705 my $subfield_letters = substr( $tag, 3 );
706
707 my @fields = $marc_record->field( $tag_num );
708 foreach my $field (@fields) {
709 # If $field->indicator(1) eq 'z', it means it is a 'see from'
710 # field introduced because of IncludeSeeFromInSearches, so skip it
711 next if $field->indicator(1) eq 'z';
712
713 my $data = $field->as_string( $subfield_letters, $facet->{ sep } );
714
715 unless ( grep { $_ eq $data } @used_datas ) {
716 push @used_datas, $data;
717 $facets_counter->{ $facet->{ idx } }->{ $data }++;
718 }
719 }
720 }
721 }
722 }
723
724 =head2 _get_facets_from_zebra
725
726 my $facets = _get_facets_from_zebra( $result_set )
727
728 Retrieves facets for a specified result set. It loops through the facets defined
729 in C4::Koha::getFacets and returns a hash with the following structure:
730
731 { facet_idx => {
732 facet_value => count
733 },
734 ...
735 }
736
737 =cut
738
739 sub _get_facets_from_zebra {
740
741 my $rs = shift;
742
743 # save current elementSetName
744 my $elementSetName = $rs->option( 'elementSetName' );
745
746 my $facets_loop = getFacets();
747 my $facets_data = {};
748 # loop through defined facets and fill the facets hashref
749 foreach my $facet ( @$facets_loop ) {
750
751 my $idx = $facet->{ idx };
752 my $sep = $facet->{ sep };
753 my $facet_values = _get_facet_from_result_set( $idx, $rs, $sep );
754 if ( $facet_values ) {
755 # we've actually got a result
756 $facets_data->{ $idx } = $facet_values;
757 }
758 }
759 # set elementSetName to its previous value to avoid side effects
760 $rs->option( elementSetName => $elementSetName );
761
762 return $facets_data;
763 }
764
765 =head2 _get_facet_from_result_set
766
767 my $facet_values =
768 C4::Search::_get_facet_from_result_set( $facet_idx, $result_set, $sep )
769
770 Internal function that extracts facet information for a specific index ($facet_idx) and
771 returns a hash containing facet values and count:
772
773 {
774 $facet_value => $count ,
775 ...
776 }
777
778 Warning: this function has the side effect of changing the elementSetName for the result
779 set. It is a helper function for the main loop, which takes care of backing it up for
780 restoring.
781
782 =cut
783
784 sub _get_facet_from_result_set {
785
786 my $facet_idx = shift;
787 my $rs = shift;
788 my $sep = shift;
789
790 my $internal_sep = '<*>';
791 my $facetMaxCount = C4::Context->preference('FacetMaxCount') // 20;
792
793 return if ( ! defined $facet_idx || ! defined $rs );
794 # zebra's facet element, untokenized index
795 my $facet_element = 'zebra::facet::' . $facet_idx . ':0:' . $facetMaxCount;
796 # configure zebra results for retrieving the desired facet
797 $rs->option( elementSetName => $facet_element );
798 # get the facet record from result set
799 my $facet = $rs->record( 0 )->raw;
800 # if the facet has no restuls...
801 return if !defined $facet;
802 # TODO: benchmark DOM vs. SAX performance
803 my $facet_dom = XML::LibXML->load_xml(
804 string => ($facet)
805 );
806 my @terms = $facet_dom->getElementsByTagName('term');
807 return if ! @terms;
808
809 my $facets = {};
810 foreach my $term ( @terms ) {
811 my $facet_value = $term->textContent;
812 $facet_value =~ s/\Q$internal_sep\E/$sep/ if defined $sep;
813 $facets->{ $facet_value } = $term->getAttribute( 'occur' );
814 }
815
816 return $facets;
817 }
818
819 =head2 _get_facets_info
820
821 my $facets_info = C4::Search::_get_facets_info( $facets )
822
823 Internal function that extracts facets information and properly builds
824 the data structure needed to render facet labels.
825
826 =cut
827
828 sub _get_facets_info {
829
830 my $facets = shift;
831
832 my $facets_info = {};
833
834 for my $facet ( @$facets ) {
835 $facets_info->{ $facet->{ idx } }->{ label_value } = $facet->{ label };
836 }
837
838 return $facets_info;
839 }
840
841 sub pazGetRecords {
842 my (
843 $koha_query, $simple_query, $sort_by_ref, $servers_ref,
844 $results_per_page, $offset, $branches, $query_type,
845 $scan
846 ) = @_;
847 #NOTE: Parameter $branches is not used here !
848
849 my $paz = C4::Search::PazPar2->new(C4::Context->config('pazpar2url'));
850 $paz->init();
851 $paz->search($simple_query);
852 sleep 1; # FIXME: WHY?
853
854 # do results
855 my $results_hashref = {};
856 my $stats = XMLin($paz->stat);
857 my $results = XMLin($paz->show($offset, $results_per_page, 'work-title:1'), forcearray => 1);
858
859 # for a grouped search result, the number of hits
860 # is the number of groups returned; 'bib_hits' will have
861 # the total number of bibs.
862 $results_hashref->{'biblioserver'}->{'hits'} = $results->{'merged'}->[0];
863 $results_hashref->{'biblioserver'}->{'bib_hits'} = $stats->{'hits'};
864
865 HIT: foreach my $hit (@{ $results->{'hit'} }) {
866 my $recid = $hit->{recid}->[0];
867
868 my $work_title = $hit->{'md-work-title'}->[0];
869 my $work_author;
870 if (exists $hit->{'md-work-author'}) {
871 $work_author = $hit->{'md-work-author'}->[0];
872 }
873 my $group_label = (defined $work_author) ? "$work_title / $work_author" : $work_title;
874
875 my $result_group = {};
876 $result_group->{'group_label'} = $group_label;
877 $result_group->{'group_merge_key'} = $recid;
878
879 my $count = 1;
880 if (exists $hit->{count}) {
881 $count = $hit->{count}->[0];
882 }
883 $result_group->{'group_count'} = $count;
884
885 for (my $i = 0; $i < $count; $i++) {
886 # FIXME -- may need to worry about diacritics here
887 my $rec = $paz->record($recid, $i);
888 push @{ $result_group->{'RECORDS'} }, $rec;
889 }
890
891 push @{ $results_hashref->{'biblioserver'}->{'GROUPS'} }, $result_group;
892 }
893
894 # pass through facets
895 my $termlist_xml = $paz->termlist('author,subject');
896 my $terms = XMLin($termlist_xml, forcearray => 1);
897 my @facets_loop = ();
898 #die Dumper($results);
899 # foreach my $list (sort keys %{ $terms->{'list'} }) {
900 # my @facets = ();
901 # foreach my $facet (sort @{ $terms->{'list'}->{$list}->{'term'} } ) {
902 # push @facets, {
903 # facet_label_value => $facet->{'name'}->[0],
904 # };
905 # }
906 # push @facets_loop, ( {
907 # type_label => $list,
908 # facets => \@facets,
909 # } );
910 # }
911
912 return ( undef, $results_hashref, \@facets_loop );
913 }
914
915 # TRUNCATION
916 sub _detect_truncation {
917 my ( $operand, $index ) = @_;
918 my ( @nontruncated, @righttruncated, @lefttruncated, @rightlefttruncated,
919 @regexpr );
920 $operand =~ s/^ //g;
921 my @wordlist = split( /\s/, $operand );
922 foreach my $word (@wordlist) {
923 if ( $word =~ s/^\*([^\*]+)\*$/$1/ ) {
924 push @rightlefttruncated, $word;
925 }
926 elsif ( $word =~ s/^\*([^\*]+)$/$1/ ) {
927 push @lefttruncated, $word;
928 }
929 elsif ( $word =~ s/^([^\*]+)\*$/$1/ ) {
930 push @righttruncated, $word;
931 }
932 elsif ( index( $word, "*" ) < 0 ) {
933 push @nontruncated, $word;
934 }
935 else {
936 push @regexpr, $word;
937 }
938 }
939 return (
940 \@nontruncated, \@righttruncated, \@lefttruncated,
941 \@rightlefttruncated, \@regexpr
942 );
943 }
944
945 # STEMMING
946 sub _build_stemmed_operand {
947 my ($operand,$lang) = @_;
948 require Lingua::Stem::Snowball ;
949 my $stemmed_operand=q{};
950
951 # Stemmer needs language
952 return $operand unless $lang;
953
954 # If operand contains a digit, it is almost certainly an identifier, and should
955 # not be stemmed. This is particularly relevant for ISBNs and ISSNs, which
956 # can contain the letter "X" - for example, _build_stemmend_operand would reduce
957 # "014100018X" to "x ", which for a MARC21 database would bring up irrelevant
958 # results (e.g., "23 x 29 cm." from the 300$c). Bug 2098.
959 return $operand if $operand =~ /\d/;
960
961 # FIXME: the locale should be set based on the user's language and/or search choice
962 #warn "$lang";
963 # Make sure we only use the first two letters from the language code
964 $lang = lc(substr($lang, 0, 2));
965 # The language codes for the two variants of Norwegian will now be "nb" and "nn",
966 # none of which Lingua::Stem::Snowball can use, so we need to "translate" them
967 if ($lang eq 'nb' || $lang eq 'nn') {
968 $lang = 'no';
969 }
970 my $stemmer = Lingua::Stem::Snowball->new( lang => $lang,
971 encoding => "UTF-8" );
972
973 my @words = split( / /, $operand );
974 my @stems = $stemmer->stem(\@words);
975 for my $stem (@stems) {
976 $stemmed_operand .= "$stem";
977 $stemmed_operand .= "?"
978 unless ( $stem =~ /(and$|or$|not$)/ ) || ( length($stem) < 3 );
979 $stemmed_operand .= " ";
980 }
981 warn "STEMMED OPERAND: $stemmed_operand" if $DEBUG;
982 return $stemmed_operand;
983 }
984
985 # FIELD WEIGHTING
986 sub _build_weighted_query {
987
988 # FIELD WEIGHTING - This is largely experimental stuff. What I'm committing works
989 # pretty well but could work much better if we had a smarter query parser
990 my ( $operand, $stemmed_operand, $index ) = @_;
991 my $stemming = C4::Context->preference("QueryStemming") || 0;
992 my $weight_fields = C4::Context->preference("QueryWeightFields") || 0;
993 my $fuzzy_enabled = C4::Context->preference("QueryFuzzy") || 0;
994 $operand =~ s/"/ /g; # Bug 7518: searches with quotation marks don't work
995
996 my $weighted_query .= "(rk=("; # Specifies that we're applying rank
997
998 # Keyword, or, no index specified
999 if ( ( $index eq 'kw' ) || ( !$index ) ) {
1000 $weighted_query .=
1001 "Title-cover,ext,r1=\"$operand\""; # exact title-cover
1002 $weighted_query .= " or ti,ext,r2=\"$operand\""; # exact title
1003 $weighted_query .= " or Title-cover,phr,r3=\"$operand\""; # phrase title
1004 $weighted_query .= " or ti,wrdl,r4=\"$operand\""; # words in title
1005 #$weighted_query .= " or any,ext,r4=$operand"; # exact any
1006 #$weighted_query .=" or kw,wrdl,r5=\"$operand\""; # word list any
1007 $weighted_query .= " or wrdl,fuzzy,r8=\"$operand\""
1008 if $fuzzy_enabled; # add fuzzy, word list
1009 $weighted_query .= " or wrdl,right-Truncation,r9=\"$stemmed_operand\""
1010 if ( $stemming and $stemmed_operand )
1011 ; # add stemming, right truncation
1012 $weighted_query .= " or wrdl,r9=\"$operand\"";
1013
1014 # embedded sorting: 0 a-z; 1 z-a
1015 # $weighted_query .= ") or (sort1,aut=1";
1016 }
1017
1018 # Barcode searches should skip this process
1019 elsif ( $index eq 'bc' ) {
1020 $weighted_query .= "bc=\"$operand\"";
1021 }
1022
1023 # Authority-number searches should skip this process
1024 elsif ( $index eq 'an' ) {
1025 $weighted_query .= "an=\"$operand\"";
1026 }
1027
1028 # If the index is numeric, don't autoquote it.
1029 elsif ( $index =~ /,st-numeric$/ ) {
1030 $weighted_query .= " $index=$operand";
1031 }
1032
1033 # If the index already has more than one qualifier, wrap the operand
1034 # in quotes and pass it back (assumption is that the user knows what they
1035 # are doing and won't appreciate us mucking up their query
1036 elsif ( $index =~ ',' ) {
1037 $weighted_query .= " $index=\"$operand\"";
1038 }
1039
1040 #TODO: build better cases based on specific search indexes
1041 else {
1042 $weighted_query .= " $index,ext,r1=\"$operand\""; # exact index
1043 #$weighted_query .= " or (title-sort-az=0 or $index,startswithnt,st-word,r3=$operand #)";
1044 $weighted_query .= " or $index,phr,r3=\"$operand\""; # phrase index
1045 $weighted_query .= " or $index,wrdl,r6=\"$operand\""; # word list index
1046 $weighted_query .= " or $index,wrdl,fuzzy,r8=\"$operand\""
1047 if $fuzzy_enabled; # add fuzzy, word list
1048 $weighted_query .= " or $index,wrdl,rt,r9=\"$stemmed_operand\""
1049 if ( $stemming and $stemmed_operand ); # add stemming, right truncation
1050 }
1051
1052 $weighted_query .= "))"; # close rank specification
1053 return $weighted_query;
1054 }
1055
1056 =head2 getIndexes
1057
1058 Return an array with available indexes.
1059
1060 =cut
1061
1062 sub getIndexes{
1063 my @indexes = (
1064 # biblio indexes
1065 'ab',
1066 'Abstract',
1067 'acqdate',
1068 'allrecords',
1069 'an',
1070 'Any',
1071 'at',
1072 'arl',
1073 'arp',
1074 'au',
1075 'aub',
1076 'aud',
1077 'audience',
1078 'auo',
1079 'aut',
1080 'Author',
1081 'Author-in-order ',
1082 'Author-personal-bibliography',
1083 'Authority-Number',
1084 'authtype',
1085 'bc',
1086 'Bib-level',
1087 'biblionumber',
1088 'bio',
1089 'biography',
1090 'callnum',
1091 'cfn',
1092 'Chronological-subdivision',
1093 'cn-bib-source',
1094 'cn-bib-sort',
1095 'cn-class',
1096 'cn-item',
1097 'cn-prefix',
1098 'cn-suffix',
1099 'cpn',
1100 'Code-institution',
1101 'Conference-name',
1102 'Conference-name-heading',
1103 'Conference-name-see',
1104 'Conference-name-seealso',
1105 'Content-type',
1106 'Control-number',
1107 'copydate',
1108 'Corporate-name',
1109 'Corporate-name-heading',
1110 'Corporate-name-see',
1111 'Corporate-name-seealso',
1112 'Country-publication',
1113 'ctype',
1114 'curriculum',
1115 'date-entered-on-file',
1116 'Date-of-acquisition',
1117 'Date-of-publication',
1118 'Date-time-last-modified',
1119 'Dewey-classification',
1120 'Dissertation-information',
1121 'diss',
1122 'dtlm',
1123 'EAN',
1124 'extent',
1125 'fic',
1126 'fiction',
1127 'Form-subdivision',
1128 'format',
1129 'Geographic-subdivision',
1130 'he',
1131 'Heading',
1132 'Heading-use-main-or-added-entry',
1133 'Heading-use-series-added-entry ',
1134 'Heading-use-subject-added-entry',
1135 'Host-item',
1136 'id-other',
1137 'ident',
1138 'Identifier-standard',
1139 'Illustration-code',
1140 'Index-term-genre',
1141 'Index-term-uncontrolled',
1142 'Interest-age-level',
1143 'Interest-grade-level',
1144 'ISBN',
1145 'isbn',
1146 'ISSN',
1147 'issn',
1148 'itemtype',
1149 'kw',
1150 'Koha-Auth-Number',
1151 'l-format',
1152 'language',
1153 'language-original',
1154 'lc-card',
1155 'LC-card-number',
1156 'lcn',
1157 'lex',
1158 'lexile-number',
1159 'llength',
1160 'ln',
1161 'ln-audio',
1162 'ln-subtitle',
1163 'Local-classification',
1164 'Local-number',
1165 'Match-heading',
1166 'Match-heading-see-from',
1167 'Material-type',
1168 'mc-itemtype',
1169 'mc-rtype',
1170 'mus',
1171 'name',
1172 'Music-number',
1173 'Name-geographic',
1174 'Name-geographic-heading',
1175 'Name-geographic-see',
1176 'Name-geographic-seealso',
1177 'nb',
1178 'Note',
1179 'notes',
1180 'ns',
1181 'nt',
1182 'Other-control-number',
1183 'pb',
1184 'Personal-name',
1185 'Personal-name-heading',
1186 'Personal-name-see',
1187 'Personal-name-seealso',
1188 'pl',
1189 'Place-publication',
1190 'pn',
1191 'popularity',
1192 'pubdate',
1193 'Publisher',
1194 'Provider',
1195 'pv',
1196 'Reading-grade-level',
1197 'Record-control-number',
1198 'rcn',
1199 'Record-type',
1200 'rtype',
1201 'se',
1202 'See',
1203 'See-also',
1204 'sn',
1205 'Stock-number',
1206 'su',
1207 'Subject',
1208 'Subject-heading-thesaurus',
1209 'Subject-name-personal',
1210 'Subject-subdivision',
1211 'Summary',
1212 'Suppress',
1213 'su-geo',
1214 'su-na',
1215 'su-to',
1216 'su-ut',
1217 'ut',
1218 'Term-genre-form',
1219 'Term-genre-form-heading',
1220 'Term-genre-form-see',
1221 'Term-genre-form-seealso',
1222 'ti',
1223 'Title',
1224 'Title-cover',
1225 'Title-series',
1226 'Title-uniform',
1227 'Title-uniform-heading',
1228 'Title-uniform-see',
1229 'Title-uniform-seealso',
1230 'totalissues',
1231 'yr',
1232
1233 # items indexes
1234 'acqsource',
1235 'barcode',
1236 'bc',
1237 'branch',
1238 'ccode',
1239 'classification-source',
1240 'cn-sort',
1241 'coded-location-qualifier',
1242 'copynumber',
1243 'damaged',
1244 'datelastborrowed',
1245 'datelastseen',
1246 'holdingbranch',
1247 'homebranch',
1248 'issues',
1249 'item',
1250 'itemnumber',
1251 'itype',
1252 'Local-classification',
1253 'location',
1254 'lost',
1255 'materials-specified',
1256 'mc-ccode',
1257 'mc-itype',
1258 'mc-loc',
1259 'notforloan',
1260 'Number-local-acquisition',
1261 'onloan',
1262 'price',
1263 'renewals',
1264 'replacementprice',
1265 'replacementpricedate',
1266 'reserves',
1267 'restricted',
1268 'stack',
1269 'stocknumber',
1270 'inv',
1271 'uri',
1272 'withdrawn',
1273
1274 # subject related
1275 );
1276
1277 return \@indexes;
1278 }
1279
1280 =head2 _handle_exploding_index
1281
1282 my $query = _handle_exploding_index($index, $term)
1283
1284 Callback routine to generate the search for "exploding" indexes (i.e.
1285 those indexes which are turned into multiple or-connected searches based
1286 on authority data).
1287
1288 =cut
1289
1290 sub _handle_exploding_index {
1291 my ($QParser, $filter, $params, $negate, $server) = @_;
1292 my $index = $filter;
1293 my $term = join(' ', @$params);
1294
1295 return unless ($index =~ m/(su-br|su-na|su-rl)/ && $term);
1296
1297 my $marcflavour = C4::Context->preference('marcflavour');
1298
1299 my $codesubfield = $marcflavour eq 'UNIMARC' ? '5' : 'w';
1300 my $wantedcodes = '';
1301 my @subqueries = ( "\@attr 1=Subject \@attr 4=1 \"$term\"");
1302 my ($error, $results, $total_hits) = SimpleSearch( "he:$term", undef, undef, [ "authorityserver" ] );
1303 foreach my $auth (@$results) {
1304 my $record = MARC::Record->new_from_usmarc($auth);
1305 my @references = $record->field('5..');
1306 if (@references) {
1307 if ($index eq 'su-br') {
1308 $wantedcodes = 'g';
1309 } elsif ($index eq 'su-na') {
1310 $wantedcodes = 'h';
1311 } elsif ($index eq 'su-rl') {
1312 $wantedcodes = '';
1313 }
1314 foreach my $reference (@references) {
1315 my $codes = $reference->subfield($codesubfield);
1316 push @subqueries, '@attr 1=Subject @attr 4=1 "' . $reference->as_string('abcdefghijlmnopqrstuvxyz') . '"' if (($codes && $codes eq $wantedcodes) || !$wantedcodes);
1317 }
1318 }
1319 }
1320 my $query = ' @or ' x (scalar(@subqueries) - 1) . join(' ', @subqueries);
1321 return $query;
1322 }
1323
1324 =head2 parseQuery
1325
1326 ( $operators, $operands, $indexes, $limits,
1327 $sort_by, $scan, $lang ) =
1328 parseQuery ( $operators, $operands, $indexes, $limits, $sort_by, $scan, $lang);
1329
1330 Shim function to ease the transition from buildQuery to a new QueryParser.
1331 This function is called at the beginning of buildQuery, and modifies
1332 buildQuery's input. If it can handle the input, it returns a query that
1333 buildQuery will not try to parse.
1334
1335 =cut
1336
1337 sub parseQuery {
1338 my ( $operators, $operands, $indexes, $limits, $sort_by, $scan, $lang) = @_;
1339
1340 my @operators = $operators ? @$operators : ();
1341 my @indexes = $indexes ? @$indexes : ();
1342 my @operands = $operands ? @$operands : ();
1343 my @limits = $limits ? @$limits : ();
1344 my @sort_by = $sort_by ? @$sort_by : ();
1345
1346 my $query = $operands[0];
1347 my $index;
1348 my $term;
1349 my $query_desc;
1350
1351 my $QParser;
1352 $QParser = C4::Context->queryparser if (C4::Context->preference('UseQueryParser') || $query =~ s/^qp=//);
1353 undef $QParser if ($query =~ m/^(ccl=|pqf=|cql=)/ || grep (/\w,\w|\w=\w/, @operands, @indexes) );
1354 undef $QParser if (scalar @limits > 0);
1355
1356 if ($QParser)
1357 {
1358 $QParser->custom_data->{'QueryAutoTruncate'} = C4::Context->preference('QueryAutoTruncate');
1359 $query = '';
1360 for ( my $ii = 0 ; $ii <= @operands ; $ii++ ) {
1361 next unless $operands[$ii];
1362 $query .= $operators[$ii-1] && $operators[ $ii - 1 ] eq 'or' ? ' || ' : ' && '
1363 if ($query);
1364 if ( $operands[$ii] =~ /^[^"]\W*[-|_\w]*:\w.*[^"]$/ ) {
1365 $query .= $operands[$ii];
1366 }
1367 elsif ( $indexes[$ii] && $indexes[$ii] =~ m/su-/ ) {
1368 $query .= $indexes[$ii] . '(' . $operands[$ii] . ')';
1369 }
1370 else {
1371 $query .=
1372 ( $indexes[$ii] ? "$indexes[$ii]:" : '' ) . $operands[$ii];
1373 }
1374 }
1375 foreach my $limit (@limits) {
1376 }
1377 if ( scalar(@sort_by) > 0 ) {
1378 my $modifier_re =
1379 '#(' . join( '|', @{ $QParser->modifiers } ) . ')';
1380 $query =~ s/$modifier_re//g;
1381 foreach my $modifier (@sort_by) {
1382 $query .= " #$modifier";
1383 }
1384 }
1385
1386 $query_desc = $query;
1387 $query_desc =~ s/\s+/ /g;
1388 if ( C4::Context->preference("QueryWeightFields") ) {
1389 }
1390 $QParser->add_bib1_filter_map( 'su-br' => 'biblioserver' =>
1391 { 'target_syntax_callback' => \&_handle_exploding_index } );
1392 $QParser->add_bib1_filter_map( 'su-na' => 'biblioserver' =>
1393 { 'target_syntax_callback' => \&_handle_exploding_index } );
1394 $QParser->add_bib1_filter_map( 'su-rl' => 'biblioserver' =>
1395 { 'target_syntax_callback' => \&_handle_exploding_index } );
1396 $QParser->parse($query);
1397 $operands[0] = "pqf=" . $QParser->target_syntax('biblioserver');
1398 }
1399 else {
1400 require Koha::QueryParser::Driver::PQF;
1401 my $modifier_re = '#(' . join( '|', @{Koha::QueryParser::Driver::PQF->modifiers}) . ')';
1402 s/$modifier_re//g for @operands;
1403 }
1404
1405 return ( $operators, \@operands, $indexes, $limits, $sort_by, $scan, $lang, $query_desc);
1406 }
1407
1408 =head2 buildQuery
1409
1410 ( $error, $query,
1411 $simple_query, $query_cgi,
1412 $query_desc, $limit,
1413 $limit_cgi, $limit_desc,
1414 $query_type ) = buildQuery ( $operators, $operands, $indexes, $limits, $sort_by, $scan, $lang);
1415
1416 Build queries and limits in CCL, CGI, Human,
1417 handle truncation, stemming, field weighting, fuzziness, etc.
1418
1419 See verbose embedded documentation.
1420
1421
1422 =cut
1423
1424 sub buildQuery {
1425 my ( $operators, $operands, $indexes, $limits, $sort_by, $scan, $lang) = @_;
1426
1427 warn "---------\nEnter buildQuery\n---------" if $DEBUG;
1428
1429 my $query_desc;
1430 ( $operators, $operands, $indexes, $limits, $sort_by, $scan, $lang, $query_desc) = parseQuery($operators, $operands, $indexes, $limits, $sort_by, $scan, $lang);
1431
1432 # dereference
1433 my @operators = $operators ? @$operators : ();
1434 my @indexes = $indexes ? @$indexes : ();
1435 my @operands = $operands ? @$operands : ();
1436 my @limits = $limits ? @$limits : ();
1437 my @sort_by = $sort_by ? @$sort_by : ();
1438
1439 my $stemming = C4::Context->preference("QueryStemming") || 0;
1440 my $auto_truncation = C4::Context->preference("QueryAutoTruncate") || 0;
1441 my $weight_fields = C4::Context->preference("QueryWeightFields") || 0;
1442 my $fuzzy_enabled = C4::Context->preference("QueryFuzzy") || 0;
1443
1444 my $query = $operands[0];
1445 my $simple_query = $operands[0];
1446
1447 # initialize the variables we're passing back
1448 my $query_cgi;
1449 my $query_type;
1450
1451 my $limit;
1452 my $limit_cgi;
1453 my $limit_desc;
1454
1455 my $cclq = 0;
1456 my $cclindexes = getIndexes();
1457 if ( $query !~ /\s*(ccl=|pqf=|cql=)/ ) {
1458 while ( !$cclq && $query =~ /(?:^|\W)([\w-]+)(,[\w-]+)*[:=]/g ) {
1459 my $dx = lc($1);
1460 $cclq = grep { lc($_) eq $dx } @$cclindexes;
1461 }
1462 $query = "ccl=$query" if $cclq;
1463 }
1464
1465 # for handling ccl, cql, pqf queries in diagnostic mode, skip the rest of the steps
1466 # DIAGNOSTIC ONLY!!
1467 if ( $query =~ /^ccl=/ ) {
1468 my $q=$';
1469 # This is needed otherwise ccl= and &limit won't work together, and
1470 # this happens when selecting a subject on the opac-detail page
1471 @limits = grep {!/^$/} @limits;
1472 my $original_q = $q; # without available part
1473 unless ( grep { $_ eq 'available' } @limits ) {
1474 $q =~ s| and \( \(allrecords,AlwaysMatches=''\) and \(not-onloan-count,st-numeric >= 1\) and \(lost,st-numeric=0\) \)||;
1475 $original_q = $q;
1476 }
1477 if ( @limits ) {
1478 if ( grep { $_ eq 'available' } @limits ) {
1479 $q .= q| and ( (allrecords,AlwaysMatches='') and (not-onloan-count,st-numeric >= 1) and (lost,st-numeric=0) )|;
1480 @limits = grep {!/^available$/} @limits;
1481 }
1482 $q .= ' and '.join(' and ', @limits) if @limits;
1483 }
1484 return ( undef, $q, $q, "q=ccl=".uri_escape_utf8($q), $original_q, '', '', '', 'ccl' );
1485 }
1486 if ( $query =~ /^cql=/ ) {
1487 return ( undef, $', $', "q=cql=".uri_escape_utf8($'), $', '', '', '', 'cql' );
1488 }
1489 if ( $query =~ /^pqf=/ ) {
1490 if ($query_desc) {
1491 $query_cgi = "q=".uri_escape_utf8($query_desc);
1492 } else {
1493 $query_desc = $';
1494 $query_cgi = "q=pqf=".uri_escape_utf8($');
1495 }
1496 return ( undef, $', $', $query_cgi, $query_desc, '', '', '', 'pqf' );
1497 }
1498
1499 # pass nested queries directly
1500 # FIXME: need better handling of some of these variables in this case
1501 # Nested queries aren't handled well and this implementation is flawed and causes users to be
1502 # unable to search for anything containing () commenting out, will be rewritten for 3.4.0
1503 # if ( $query =~ /(\(|\))/ ) {
1504 # return (
1505 # undef, $query, $simple_query, $query_cgi,
1506 # $query, $limit, $limit_cgi, $limit_desc,
1507 # 'ccl'
1508 # );
1509 # }
1510
1511 # Form-based queries are non-nested and fixed depth, so we can easily modify the incoming
1512 # query operands and indexes and add stemming, truncation, field weighting, etc.
1513 # Once we do so, we'll end up with a value in $query, just like if we had an
1514 # incoming $query from the user
1515 else {
1516 $query = ""
1517 ; # clear it out so we can populate properly with field-weighted, stemmed, etc. query
1518 my $previous_operand
1519 ; # a flag used to keep track if there was a previous query
1520 # if there was, we can apply the current operator
1521 # for every operand
1522 for ( my $i = 0 ; $i <= @operands ; $i++ ) {
1523
1524 # COMBINE OPERANDS, INDEXES AND OPERATORS
1525 if ( ($operands[$i] // '') ne '' ) {
1526 $operands[$i]=~s/^\s+//;
1527
1528 # A flag to determine whether or not to add the index to the query
1529 my $indexes_set;
1530
1531 # If the user is sophisticated enough to specify an index, turn off field weighting, and stemming handling
1532 if ( $operands[$i] =~ /\w(:|=)/ || $scan ) {
1533 $weight_fields = 0;
1534 $stemming = 0;
1535 } else {
1536 $operands[$i] =~ s/\?/{?}/g; # need to escape question marks
1537 }
1538 my $operand = $operands[$i];
1539 my $index = $indexes[$i] || 'kw';
1540
1541 # Add index-specific attributes
1542
1543 #Afaik, this 'yr' condition will only ever be met in the staff client advanced search
1544 #for "Publication date", since typing 'yr:YYYY' into the search box produces a CCL query,
1545 #which is processed higher up in this sub. Other than that, year searches are typically
1546 #handled as limits which are not processed her either.
1547
1548 # Search ranges: Date of Publication, st-numeric
1549 if ( $index =~ /(yr|st-numeric)/ ) {
1550 #weight_fields/relevance search causes errors with date ranges
1551 #In the case of YYYY-, it will only return records with a 'yr' of YYYY (not the range)
1552 #In the case of YYYY-YYYY, it will return no results
1553 $stemming = $auto_truncation = $weight_fields = $fuzzy_enabled = 0;
1554 }
1555
1556 # Date of Acquisition
1557 elsif ( $index =~ /acqdate/ ) {
1558 #stemming and auto_truncation would have zero impact since it already is YYYY-MM-DD format
1559 #Weight_fields probably SHOULD be turned OFF, otherwise you'll get records floating to the
1560 #top of the results just because they have lots of item records matching that date.
1561 #Fuzzy actually only applies during _build_weighted_query, and is reset there anyway, so
1562 #irrelevant here
1563 $stemming = $auto_truncation = $weight_fields = $fuzzy_enabled = 0;
1564 }
1565 # ISBN,ISSN,Standard Number, don't need special treatment
1566 elsif ( $index eq 'nb' || $index eq 'ns' || $index eq 'hi' ) {
1567 (
1568 $stemming, $auto_truncation,
1569 $weight_fields, $fuzzy_enabled
1570 ) = ( 0, 0, 0, 0 );
1571
1572 if ( $index eq 'nb' ) {
1573 if ( C4::Context->preference("SearchWithISBNVariations") ) {
1574 my @isbns = C4::Koha::GetVariationsOfISBN( $operand );
1575 $operands[$i] = $operand = '(nb=' . join(' OR nb=', @isbns) . ')';
1576 $indexes[$i] = $index = 'kw';
1577 }
1578 }
1579 }
1580
1581 # Set default structure attribute (word list)
1582 my $struct_attr = q{};
1583 unless ( $indexes_set || $index =~ /,(st-|phr|ext|wrdl)/ || $index =~ /^(nb|ns)$/ ) {
1584 $struct_attr = ",wrdl";
1585 }
1586
1587 # Some helpful index variants
1588 my $index_plus = $index . $struct_attr . ':';
1589 my $index_plus_comma = $index . $struct_attr . ',';
1590
1591 if ($auto_truncation){
1592 unless ( $index =~ /,(st-|phr|ext)/ ) {
1593 #FIXME only valid with LTR scripts
1594 $operand=join(" ",map{
1595 (index($_,"*")>0?"$_":"$_*")
1596 }split (/\s+/,$operand));
1597 warn $operand if $DEBUG;
1598 }
1599 }
1600
1601 # Detect Truncation
1602 my $truncated_operand;
1603 my( $nontruncated, $righttruncated, $lefttruncated,
1604 $rightlefttruncated, $regexpr
1605 ) = _detect_truncation( $operand, $index );
1606 warn
1607 "TRUNCATION: NON:>@$nontruncated< RIGHT:>@$righttruncated< LEFT:>@$lefttruncated< RIGHTLEFT:>@$rightlefttruncated< REGEX:>@$regexpr<"
1608 if $DEBUG;
1609
1610 # Apply Truncation
1611 if (
1612 scalar(@$righttruncated) + scalar(@$lefttruncated) +
1613 scalar(@$rightlefttruncated) > 0 )
1614 {
1615
1616 # Don't field weight or add the index to the query, we do it here
1617 $indexes_set = 1;
1618 undef $weight_fields;
1619 my $previous_truncation_operand;
1620 if (scalar @$nontruncated) {
1621 $truncated_operand .= "$index_plus @$nontruncated ";
1622 $previous_truncation_operand = 1;
1623 }
1624 if (scalar @$righttruncated) {
1625 $truncated_operand .= "and " if $previous_truncation_operand;
1626 $truncated_operand .= $index_plus_comma . "rtrn:@$righttruncated ";
1627 $previous_truncation_operand = 1;
1628 }
1629 if (scalar @$lefttruncated) {
1630 $truncated_operand .= "and " if $previous_truncation_operand;
1631 $truncated_operand .= $index_plus_comma . "ltrn:@$lefttruncated ";
1632 $previous_truncation_operand = 1;
1633 }
1634 if (scalar @$rightlefttruncated) {
1635 $truncated_operand .= "and " if $previous_truncation_operand;
1636 $truncated_operand .= $index_plus_comma . "rltrn:@$rightlefttruncated ";
1637 $previous_truncation_operand = 1;
1638 }
1639 }
1640 $operand = $truncated_operand if $truncated_operand;
1641 warn "TRUNCATED OPERAND: >$truncated_operand<" if $DEBUG;
1642
1643 # Handle Stemming
1644 my $stemmed_operand;
1645 $stemmed_operand = _build_stemmed_operand($operand, $lang)
1646 if $stemming;
1647
1648 warn "STEMMED OPERAND: >$stemmed_operand<" if $DEBUG;
1649
1650 # Handle Field Weighting
1651 my $weighted_operand;
1652 if ($weight_fields) {
1653 $weighted_operand = _build_weighted_query( $operand, $stemmed_operand, $index );
1654 $operand = $weighted_operand;
1655 $indexes_set = 1;
1656 }
1657
1658 warn "FIELD WEIGHTED OPERAND: >$weighted_operand<" if $DEBUG;
1659
1660 ($query,$query_cgi,$query_desc,$previous_operand) = _build_initial_query({
1661 query => $query,
1662 query_cgi => $query_cgi,
1663 query_desc => $query_desc,
1664 operator => ($operators[ $i - 1 ]) ? $operators[ $i - 1 ] : '',
1665 parsed_operand => $operand,
1666 original_operand => $operands[$i] // '',
1667 index => $index,
1668 index_plus => $index_plus,
1669 indexes_set => $indexes_set,
1670 previous_operand => $previous_operand,
1671 });
1672
1673 } #/if $operands
1674 } # /for
1675 }
1676 warn "QUERY BEFORE LIMITS: >$query<" if $DEBUG;
1677
1678 # add limits
1679 my %group_OR_limits;
1680 my $availability_limit;
1681 foreach my $this_limit (@limits) {
1682 next unless $this_limit;
1683 if ( $this_limit =~ /available/ ) {
1684 #
1685 ## 'available' is defined as (items.onloan is NULL) and (items.itemlost = 0)
1686 ## In English:
1687 ## all records not indexed in the onloan register (zebra) and all records with a value of lost equal to 0
1688 $availability_limit .=
1689 "( (allrecords,AlwaysMatches='') and (not-onloan-count,st-numeric >= 1) and (lost,st-numeric=0) )";
1690 $limit_cgi .= "&limit=available";
1691 $limit_desc .= "";
1692 }
1693
1694 # group_OR_limits, prefixed by mc-
1695 # OR every member of the group
1696 elsif ( $this_limit =~ /mc/ ) {
1697 my ($k,$v) = split(/:/, $this_limit,2);
1698 if ( $k !~ /mc-i(tem)?type/ ) {
1699 # in case the mc-ccode value has complicating chars like ()'s inside it we wrap in quotes
1700 $this_limit =~ tr/"//d;
1701 $this_limit = $k.":'".$v."'";
1702 }
1703
1704 $group_OR_limits{$k} .= " or " if $group_OR_limits{$k};
1705 $limit_desc .= " or " if $group_OR_limits{$k};
1706 $group_OR_limits{$k} .= "$this_limit";
1707 $limit_cgi .= "&limit=" . uri_escape_utf8($this_limit);
1708 $limit_desc .= " $this_limit";
1709 }
1710
1711 # Regular old limits
1712 else {
1713 $limit .= " and " if $limit || $query;
1714 $limit .= "$this_limit";
1715 $limit_cgi .= "&limit=" . uri_escape_utf8($this_limit);
1716 if ($this_limit =~ /^branch:(.+)/) {
1717 my $branchcode = $1;
1718 my $library = Koha::Libraries->find( $branchcode );
1719 if (defined $library) {
1720 $limit_desc .= " branch:" . $library->branchname;
1721 } else {
1722 $limit_desc .= " $this_limit";
1723 }
1724 } else {
1725 $limit_desc .= " $this_limit";
1726 }
1727 }
1728 }
1729 foreach my $k (keys (%group_OR_limits)) {
1730 $limit .= " and " if ( $query || $limit );
1731 $limit .= "($group_OR_limits{$k})";
1732 }
1733 if ($availability_limit) {
1734 $limit .= " and " if ( $query || $limit );
1735 $limit .= "($availability_limit)";
1736 }
1737
1738 # Normalize the query and limit strings
1739 # This is flawed , means we can't search anything with : in it
1740 # if user wants to do ccl or cql, start the query with that
1741 # $query =~ s/:/=/g;
1742 #NOTE: We use several several different regexps here as you can't have variable length lookback assertions
1743 $query =~ s/(?<=(ti|au|pb|su|an|kw|mc|nb|ns)):/=/g;
1744 $query =~ s/(?<=(wrdl)):/=/g;
1745 $query =~ s/(?<=(trn|phr)):/=/g;
1746 $query =~ s/(?<=(st-numeric)):/=/g;
1747 $query =~ s/(?<=(st-year)):/=/g;
1748 $query =~ s/(?<=(st-date-normalized)):/=/g;
1749
1750 # Removing warnings for later substitutions
1751 $query //= q{};
1752 $query_desc //= q{};
1753 $query_cgi //= q{};
1754 $limit //= q{};
1755 $limit_desc //= q{};
1756 $limit =~ s/:/=/g;
1757 for ( $query, $query_desc, $limit, $limit_desc ) {
1758 s/ +/ /g; # remove extra spaces
1759 s/^ //g; # remove any beginning spaces
1760 s/ $//g; # remove any ending spaces
1761 s/==/=/g; # remove double == from query
1762 }
1763 $query_cgi =~ s/^&//; # remove unnecessary & from beginning of the query cgi
1764
1765 for ($query_cgi,$simple_query) {
1766 s/"//g;
1767 }
1768 # append the limit to the query
1769 $query .= " " . $limit;
1770
1771 # Warnings if DEBUG
1772 if ($DEBUG) {
1773 warn "QUERY:" . $query;
1774 warn "QUERY CGI:" . $query_cgi;
1775 warn "QUERY DESC:" . $query_desc;
1776 warn "LIMIT:" . $limit;
1777 warn "LIMIT CGI:" . $limit_cgi;
1778 warn "LIMIT DESC:" . $limit_desc;
1779 warn "---------\nLeave buildQuery\n---------";
1780 }
1781
1782 return (
1783 undef, $query, $simple_query, $query_cgi,
1784 $query_desc, $limit, $limit_cgi, $limit_desc,
1785 $query_type
1786 );
1787 }
1788
1789 =head2 _build_initial_query
1790
1791 ($query, $query_cgi, $query_desc, $previous_operand) = _build_initial_query($initial_query_params);
1792
1793 Build a section of the initial query containing indexes, operators, and operands.
1794
1795 =cut
1796
1797 sub _build_initial_query {
1798 my ($params) = @_;
1799
1800 my $operator = "";
1801 if ($params->{previous_operand}){
1802 #If there is a previous operand, add a supplied operator or the default 'and'
1803 $operator = ($params->{operator}) ? " ".($params->{operator})." " : ' and ';
1804 }
1805
1806 #NOTE: indexes_set is typically set when doing truncation or field weighting
1807 my $operand = ($params->{indexes_set}) ? $params->{parsed_operand} : $params->{index_plus}.$params->{parsed_operand};
1808
1809 #e.g. "kw,wrdl:test"
1810 #e.g. " and kw,wrdl:test"
1811 $params->{query} .= $operator . $operand;
1812
1813 $params->{query_cgi} .= "&op=".uri_escape_utf8($operator) if $operator;
1814 $params->{query_cgi} .= "&idx=".uri_escape_utf8($params->{index}) if $params->{index};
1815 $params->{query_cgi} .= "&q=".uri_escape_utf8($params->{original_operand}) if $params->{original_operand};
1816
1817 #e.g. " and kw,wrdl: test"
1818 $params->{query_desc} .= $operator . ( $params->{index_plus} // q{} ) . " " . ( $params->{original_operand} // q{} );
1819
1820 $params->{previous_operand} = 1 unless $params->{previous_operand}; #If there is no previous operand, mark this as one
1821
1822 return ($params->{query}, $params->{query_cgi}, $params->{query_desc}, $params->{previous_operand});
1823 }
1824
1825 =head2 searchResults
1826
1827 my @search_results = searchResults($search_context, $searchdesc, $hits,
1828 $results_per_page, $offset, $scan,
1829 @marcresults);
1830
1831 Format results in a form suitable for passing to the template
1832
1833 =cut
1834
1835 # IMO this subroutine is pretty messy still -- it's responsible for
1836 # building the HTML output for the template
1837 sub searchResults {
1838 my ( $search_context, $searchdesc, $hits, $results_per_page, $offset, $scan, $marcresults ) = @_;
1839 my $dbh = C4::Context->dbh;
1840 my @newresults;
1841
1842 require C4::Items;
1843
1844 $search_context->{'interface'} = 'opac' if !$search_context->{'interface'} || $search_context->{'interface'} ne 'intranet';
1845 my ($is_opac, $hidelostitems);
1846 if ($search_context->{'interface'} eq 'opac') {
1847 $hidelostitems = C4::Context->preference('hidelostitems');
1848 $is_opac = 1;
1849 }
1850
1851 #Build branchnames hash
1852 my %branches = map { $_->branchcode => $_->branchname } Koha::Libraries->search({}, { order_by => 'branchname' });
1853
1854 # FIXME - We build an authorised values hash here, using the default framework
1855 # though it is possible to have different authvals for different fws.
1856
1857 my $shelflocations =
1858 { map { $_->{authorised_value} => $_->{lib} } Koha::AuthorisedValues->get_descriptions_by_koha_field( { frameworkcode => '', kohafield => 'items.location' } ) };
1859
1860 # get notforloan authorised value list (see $shelflocations FIXME)
1861 my $av = Koha::MarcSubfieldStructures->search({ frameworkcode => '', kohafield => 'items.notforloan', authorised_value => [ -and => {'!=' => undef }, {'!=' => ''}] });
1862 my $notforloan_authorised_value = $av->count ? $av->next->authorised_value : undef;
1863
1864 #Get itemtype hash
1865 my $itemtypes = Koha::ItemTypes->search_with_localization;
1866 my %itemtypes = map { $_->{itemtype} => $_ } @{ $itemtypes->unblessed };
1867
1868 #search item field code
1869 my ($itemtag, undef) = &GetMarcFromKohaField( "items.itemnumber" );
1870
1871 ## find column names of items related to MARC
1872 my %subfieldstosearch;
1873 my @columns = Koha::Database->new()->schema()->resultset('Item')->result_source->columns;
1874 for my $column ( @columns ) {
1875 my ( $tagfield, $tagsubfield ) =
1876 &GetMarcFromKohaField( "items." . $column );
1877 if ( defined $tagsubfield ) {
1878 $subfieldstosearch{$column} = $tagsubfield;
1879 }
1880 }
1881
1882 # handle which records to actually retrieve
1883 my $times;
1884 if ( $hits && $offset + $results_per_page <= $hits ) {
1885 $times = $offset + $results_per_page;
1886 }
1887 else {
1888 $times = $hits; # FIXME: if $hits is undefined, why do we want to equal it?
1889 }
1890
1891 my $marcflavour = C4::Context->preference("marcflavour");
1892 # We get the biblionumber position in MARC
1893 my ($bibliotag,$bibliosubf)=GetMarcFromKohaField( 'biblio.biblionumber' );
1894
1895 # set stuff for XSLT processing here once, not later again for every record we retrieved
1896 my $xslfile;
1897 my $xslsyspref;
1898 if( $is_opac ){
1899 $xslsyspref = "OPACXSLTResultsDisplay";
1900 $xslfile = C4::Context->preference( $xslsyspref );
1901 } else {
1902 $xslsyspref = "XSLTResultsDisplay";
1903 $xslfile = C4::Context->preference( $xslsyspref ) || "default";
1904 }
1905 my $lang = $xslfile ? C4::Languages::getlanguage() : undef;
1906 my $sysxml = $xslfile ? C4::XSLT::get_xslt_sysprefs() : undef;
1907
1908 my $userenv = C4::Context->userenv;
1909 my $logged_in_user
1910 = ( defined $userenv and $userenv->{number} )
1911 ? Koha::Patrons->find( $userenv->{number} )
1912 : undef;
1913 my $patron_category_hide_lost_items = ($logged_in_user) ? $logged_in_user->category->hidelostitems : 0;
1914
1915 # loop through all of the records we've retrieved
1916 for ( my $i = $offset ; $i <= $times - 1 ; $i++ ) {
1917
1918 my $marcrecord;
1919 if ($scan) {
1920 # For Scan searches we built USMARC data
1921 $marcrecord = MARC::Record->new_from_usmarc( $marcresults->[$i]);
1922 } else {
1923 # Normal search, render from Zebra's output
1924 $marcrecord = new_record_from_zebra(
1925 'biblioserver',
1926 $marcresults->[$i]
1927 );
1928
1929 if ( ! defined $marcrecord ) {
1930 warn "ERROR DECODING RECORD - $@: " . $marcresults->[$i];
1931 next;
1932 }
1933 }
1934
1935 my $fw = $scan
1936 ? undef
1937 : $bibliotag < 10
1938 ? GetFrameworkCode($marcrecord->field($bibliotag)->data)
1939 : GetFrameworkCode($marcrecord->subfield($bibliotag,$bibliosubf));
1940
1941 SetUTF8Flag($marcrecord);
1942 my $oldbiblio = TransformMarcToKoha( $marcrecord, $fw );
1943 $oldbiblio->{result_number} = $i + 1;
1944
1945 $oldbiblio->{normalized_upc} = GetNormalizedUPC( $marcrecord,$marcflavour);
1946 $oldbiblio->{normalized_ean} = GetNormalizedEAN( $marcrecord,$marcflavour);
1947 $oldbiblio->{normalized_oclc} = GetNormalizedOCLCNumber($marcrecord,$marcflavour);
1948 $oldbiblio->{normalized_isbn} = GetNormalizedISBN(undef,$marcrecord,$marcflavour);
1949 $oldbiblio->{content_identifier_exists} = 1 if ($oldbiblio->{normalized_isbn} or $oldbiblio->{normalized_oclc} or $oldbiblio->{normalized_ean} or $oldbiblio->{normalized_upc});
1950
1951 # edition information, if any
1952 $oldbiblio->{edition} = $oldbiblio->{editionstatement};
1953
1954 my $itemtype = $oldbiblio->{itemtype} ? $itemtypes{$oldbiblio->{itemtype}} : undef;
1955 # add imageurl to itemtype if there is one
1956 $oldbiblio->{imageurl} = $itemtype ? getitemtypeimagelocation( $search_context->{'interface'}, $itemtype->{imageurl} ) : q{};
1957 # Build summary if there is one (the summary is defined in the itemtypes table)
1958 $oldbiblio->{description} = $itemtype ? $itemtype->{translated_description} : q{};
1959
1960 # FIXME: this is only used in the deprecated non-XLST opac results
1961 if ( !$xslfile && $is_opac && $itemtype && $itemtype->{summary} ) {
1962 my $summary = $itemtypes{ $oldbiblio->{itemtype} }->{summary};
1963 my @fields = $marcrecord->fields();
1964
1965 my $newsummary;
1966 foreach my $line ( "$summary\n" =~ /(.*)\n/g ){
1967 my $tags = {};
1968 foreach my $tag ( $line =~ /\[(\d{3}[\w|\d])\]/ ) {
1969 $tag =~ /(.{3})(.)/;
1970 if($marcrecord->field($1)){
1971 my @abc = $marcrecord->field($1)->subfield($2);
1972 $tags->{$tag} = $#abc + 1 ;
1973 }
1974 }
1975
1976 # We catch how many times to repeat this line
1977 my $max = 0;
1978 foreach my $tag (keys(%$tags)){
1979 $max = $tags->{$tag} if($tags->{$tag} > $max);
1980 }
1981
1982 # we replace, and repeat each line
1983 for (my $i = 0 ; $i < $max ; $i++){
1984 my $newline = $line;
1985
1986 foreach my $tag ( $newline =~ /\[(\d{3}[\w|\d])\]/g ) {
1987 $tag =~ /(.{3})(.)/;
1988
1989 if($marcrecord->field($1)){
1990 my @repl = $marcrecord->field($1)->subfield($2);
1991 my $subfieldvalue = $repl[$i];
1992 $newline =~ s/\[$tag\]/$subfieldvalue/g;
1993 }
1994 }
1995 $newsummary .= "$newline\n";
1996 }
1997 }
1998
1999 $newsummary =~ s/\[(.*?)]//g;
2000 $newsummary =~ s/\n/<br\/>/g;
2001 $oldbiblio->{summary} = $newsummary;
2002 }
2003
2004 # Pull out the items fields
2005 my @fields = $marcrecord->field($itemtag);
2006 my $marcflavor = C4::Context->preference("marcflavour");
2007
2008 # adding linked items that belong to host records
2009 if ( C4::Context->preference('EasyAnalyticalRecords') ) {
2010 my $analyticsfield = '773';
2011 if ($marcflavor eq 'MARC21' || $marcflavor eq 'NORMARC') {
2012 $analyticsfield = '773';
2013 } elsif ($marcflavor eq 'UNIMARC') {
2014 $analyticsfield = '461';
2015 }
2016 foreach my $hostfield ( $marcrecord->field($analyticsfield)) {
2017 my $hostbiblionumber = $hostfield->subfield("0");
2018 my $linkeditemnumber = $hostfield->subfield("9");
2019 if( $hostbiblionumber ) {
2020 my $hostbiblio = GetMarcBiblio({
2021 biblionumber => $hostbiblionumber,
2022 embed_items => 1 });
2023 my ($itemfield, undef) = GetMarcFromKohaField( 'items.itemnumber' );
2024 if( $hostbiblio ) {
2025 my @hostitems = $hostbiblio->field($itemfield);
2026 foreach my $hostitem (@hostitems){
2027 if ($hostitem->subfield("9") eq $linkeditemnumber){
2028 my $linkeditem =$hostitem;
2029 # append linked items if they exist
2030 push @fields, $linkeditem if $linkeditem;
2031 }
2032 }
2033 }
2034 }
2035 }
2036 }
2037
2038 # Setting item statuses for display
2039 my @available_items_loop;
2040 my @onloan_items_loop;
2041 my @other_items_loop;
2042
2043 my $available_items;
2044 my $onloan_items;
2045 my $other_items;
2046
2047 my $ordered_count = 0;
2048 my $available_count = 0;
2049 my $onloan_count = 0;
2050 my $longoverdue_count = 0;
2051 my $other_count = 0;
2052 my $withdrawn_count = 0;
2053 my $itemlost_count = 0;
2054 my $hideatopac_count = 0;
2055 my $itembinding_count = 0;
2056 my $itemdamaged_count = 0;
2057 my $item_in_transit_count = 0;
2058 my $can_place_holds = 0;
2059 my $item_onhold_count = 0;
2060 my $notforloan_count = 0;
2061 my $items_count = scalar(@fields);
2062 my $maxitems_pref = C4::Context->preference('maxItemsinSearchResults');
2063 my $maxitems = $maxitems_pref ? $maxitems_pref - 1 : 1;
2064 my @hiddenitems; # hidden itemnumbers based on OpacHiddenItems syspref
2065
2066 # loop through every item
2067 foreach my $field (@fields) {
2068 my $item;
2069
2070 # populate the items hash
2071 foreach my $code ( keys %subfieldstosearch ) {
2072 $item->{$code} = $field->subfield( $subfieldstosearch{$code} );
2073 }
2074 $item->{description} = $itemtypes{ $item->{itype} }{translated_description} if $item->{itype};
2075
2076 # OPAC hidden items
2077 if ($is_opac) {
2078 # hidden because lost
2079 if ($hidelostitems && $item->{itemlost}) {
2080 $hideatopac_count++;
2081 next;
2082 }
2083 # hidden based on OpacHiddenItems syspref
2084 my @hi = C4::Items::GetHiddenItemnumbers({ items=> [ $item ], borcat => $search_context->{category} });
2085 if (scalar @hi) {
2086 push @hiddenitems, @hi;
2087 $hideatopac_count++;
2088 next;
2089 }
2090 }
2091
2092 my $hbranch = C4::Context->preference('StaffSearchResultsDisplayBranch');
2093 my $otherbranch = $hbranch eq 'homebranch' ? 'holdingbranch' : 'homebranch';
2094
2095 # set item's branch name, use HomeOrHoldingBranch syspref first, fall back to the other one
2096 if ($item->{$hbranch}) {
2097 $item->{'branchname'} = $branches{$item->{$hbranch}};
2098 }
2099 elsif ($item->{$otherbranch}) { # Last resort
2100 $item->{'branchname'} = $branches{$item->{$otherbranch}};
2101 }
2102
2103 my $prefix =
2104 ( $item->{$hbranch} ? $item->{$hbranch} . '--' : q{} )
2105 . ( $item->{location} ? $item->{location} : q{} )
2106 . ( $item->{itype} ? $item->{itype} : q{} )
2107 . ( $item->{itemcallnumber} ? $item->{itemcallnumber} : q{} );
2108 # For each grouping of items (onloan, available, unavailable), we build a key to store relevant info about that item
2109 if ( $item->{onloan}
2110 and $logged_in_user
2111 and !( $patron_category_hide_lost_items and $item->{itemlost} ) )
2112 {
2113 $onloan_count++;
2114 my $key = $prefix . $item->{onloan} . $item->{barcode};
2115 $onloan_items->{$key}->{due_date} = $item->{onloan};
2116 $onloan_items->{$key}->{count}++ if $item->{$hbranch};
2117 $onloan_items->{$key}->{branchname} = $item->{branchname};
2118 $onloan_items->{$key}->{location} = $shelflocations->{ $item->{location} };
2119 $onloan_items->{$key}->{itemcallnumber} = $item->{itemcallnumber};
2120 $onloan_items->{$key}->{description} = $item->{description};
2121 $onloan_items->{$key}->{imageurl} =
2122 getitemtypeimagelocation( $search_context->{'interface'}, $itemtypes{ $item->{itype} }->{imageurl} );
2123
2124 # if something's checked out and lost, mark it as 'long overdue'
2125 if ( $item->{itemlost} ) {
2126 $onloan_items->{$key}->{longoverdue}++;
2127 $longoverdue_count++;
2128 }
2129 else { # can place holds as long as item isn't lost
2130 $can_place_holds = 1;
2131 }
2132 }
2133
2134 # items not on loan, but still unavailable ( lost, withdrawn, damaged )
2135 else {
2136
2137 my $itemtype = C4::Context->preference("item-level_itypes")? $item->{itype}: $oldbiblio->{itemtype};
2138 $item->{notforloan} = 1 if !$item->{notforloan} &&
2139 $itemtype && $itemtypes{ $itemtype }->{notforloan};
2140
2141 # item is on order
2142 if ( $item->{notforloan} < 0 ) {
2143 $ordered_count++;
2144 } elsif ( $item->{notforloan} > 0 ) {
2145 $notforloan_count++;
2146 }
2147
2148 # is item in transit?
2149 my $transfertwhen = '';
2150 my ($transfertfrom, $transfertto);
2151
2152 # is item on the reserve shelf?
2153 my $reservestatus = '';
2154
2155 unless ($item->{withdrawn}
2156 || $item->{itemlost}
2157 || $item->{damaged}
2158 || $item->{notforloan}
2159 || ( C4::Context->preference('MaxSearchResultsItemsPerRecordStatusCheck')
2160 && $items_count > C4::Context->preference('MaxSearchResultsItemsPerRecordStatusCheck') ) ) {
2161
2162 # A couple heuristics to limit how many times
2163 # we query the database for item transfer information, sacrificing
2164 # accuracy in some cases for speed;
2165 #
2166 # 1. don't query if item has one of the other statuses
2167 # 2. don't check transit status if the bib has
2168 # more than 20 items
2169 #
2170 # FIXME: to avoid having the query the database like this, and to make
2171 # the in transit status count as unavailable for search limiting,
2172 # should map transit status to record indexed in Zebra.
2173 #
2174 ($transfertwhen, $transfertfrom, $transfertto) = C4::Circulation::GetTransfers($item->{itemnumber});
2175 $reservestatus = C4::Reserves::GetReserveStatus( $item->{itemnumber} );
2176 }
2177
2178 # item is withdrawn, lost, damaged, not for loan, reserved or in transit
2179 if ( $item->{withdrawn}
2180 || $item->{itemlost}
2181 || $item->{damaged}
2182 || $item->{notforloan}
2183 || $reservestatus eq 'Waiting'
2184 || ($transfertwhen && $transfertwhen ne ''))
2185 {
2186 $withdrawn_count++ if $item->{withdrawn};
2187 $itemlost_count++ if $item->{itemlost};
2188 $itemdamaged_count++ if $item->{damaged};
2189 $item_in_transit_count++ if $transfertwhen && $transfertwhen ne '';
2190 $item_onhold_count++ if $reservestatus eq 'Waiting';
2191 $item->{status} = ($item->{withdrawn}//q{}) . "-" . ($item->{itemlost}//q{}) . "-" . ($item->{damaged}//q{}) . "-" . ($item->{notforloan}//q{});
2192
2193 # can place a hold on a item if
2194 # not lost nor withdrawn
2195 # not damaged unless AllowHoldsOnDamagedItems is true
2196 # item is either for loan or on order (notforloan < 0)
2197 $can_place_holds = 1
2198 if (
2199 !$item->{itemlost}
2200 && !$item->{withdrawn}
2201 && ( !$item->{damaged} || C4::Context->preference('AllowHoldsOnDamagedItems') )
2202 && ( !$item->{notforloan} || $item->{notforloan} < 0 )
2203 );
2204
2205 $other_count++;
2206
2207 my $key = $prefix . $item->{status};
2208 foreach (qw(withdrawn itemlost damaged branchname itemcallnumber)) {
2209 $other_items->{$key}->{$_} = $item->{$_};
2210 }
2211 $other_items->{$key}->{intransit} = ( $transfertwhen ne '' ) ? 1 : 0;
2212 $other_items->{$key}->{onhold} = ($reservestatus) ? 1 : 0;
2213 $other_items->{$key}->{notforloan} = GetAuthorisedValueDesc('','',$item->{notforloan},'','',$notforloan_authorised_value) if $notforloan_authorised_value and $item->{notforloan};
2214 $other_items->{$key}->{count}++ if $item->{$hbranch};
2215 $other_items->{$key}->{location} = $shelflocations->{ $item->{location} } if $item->{location};
2216 $other_items->{$key}->{description} = $item->{description};
2217 $other_items->{$key}->{imageurl} = getitemtypeimagelocation( $search_context->{'interface'}, $itemtypes{ $item->{itype}//q{} }->{imageurl} );
2218 }
2219 # item is available
2220 else {
2221 $can_place_holds = 1;
2222 $available_count++;
2223 $available_items->{$prefix}->{count}++ if $item->{$hbranch};
2224 foreach (qw(branchname itemcallnumber description)) {
2225 $available_items->{$prefix}->{$_} = $item->{$_};
2226 }
2227 $available_items->{$prefix}->{location} = $shelflocations->{ $item->{location} } if $item->{location};
2228 $available_items->{$prefix}->{imageurl} = getitemtypeimagelocation( $search_context->{'interface'}, $itemtypes{ $item->{itype}//q{} }->{imageurl} );
2229 }
2230 }
2231 } # notforloan, item level and biblioitem level
2232
2233 # if all items are hidden, do not show the record
2234 if ($items_count > 0 && $hideatopac_count == $items_count) {
2235 next;
2236 }
2237
2238 my ( $availableitemscount, $onloanitemscount, $otheritemscount );
2239 for my $key ( sort keys %$onloan_items ) {
2240 (++$onloanitemscount > $maxitems) and last;
2241 push @onloan_items_loop, $onloan_items->{$key};
2242 }
2243 for my $key ( sort keys %$other_items ) {
2244 (++$otheritemscount > $maxitems) and last;
2245 push @other_items_loop, $other_items->{$key};
2246 }
2247 for my $key ( sort keys %$available_items ) {
2248 (++$availableitemscount > $maxitems) and last;
2249 push @available_items_loop, $available_items->{$key}
2250 }
2251
2252 # XSLT processing of some stuff
2253 # we fetched the sysprefs already before the loop through all retrieved record!
2254 if (!$scan && $xslfile) {
2255 $oldbiblio->{XSLTResultsRecord} = XSLTParse4Display($oldbiblio->{biblionumber}, $marcrecord, $xslsyspref, 1, \@hiddenitems, $sysxml, $xslfile, $lang);
2256 }
2257
2258 # if biblio level itypes are used and itemtype is notforloan, it can't be reserved either
2259 if (!C4::Context->preference("item-level_itypes")) {
2260 if ($itemtype && $itemtype->{notforloan}) {
2261 $can_place_holds = 0;
2262 }
2263 }
2264 $oldbiblio->{norequests} = 1 unless $can_place_holds;
2265 $oldbiblio->{items_count} = $items_count;
2266 $oldbiblio->{available_items_loop} = \@available_items_loop;
2267 $oldbiblio->{onloan_items_loop} = \@onloan_items_loop;
2268 $oldbiblio->{other_items_loop} = \@other_items_loop;
2269 $oldbiblio->{availablecount} = $available_count;
2270 $oldbiblio->{availableplural} = 1 if $available_count > 1;
2271 $oldbiblio->{onloancount} = $onloan_count;
2272 $oldbiblio->{onloanplural} = 1 if $onloan_count > 1;
2273 $oldbiblio->{othercount} = $other_count;
2274 $oldbiblio->{otherplural} = 1 if $other_count > 1;
2275 $oldbiblio->{withdrawncount} = $withdrawn_count;
2276 $oldbiblio->{itemlostcount} = $itemlost_count;
2277 $oldbiblio->{damagedcount} = $itemdamaged_count;
2278 $oldbiblio->{intransitcount} = $item_in_transit_count;
2279 $oldbiblio->{onholdcount} = $item_onhold_count;
2280 $oldbiblio->{orderedcount} = $ordered_count;
2281 $oldbiblio->{notforloancount} = $notforloan_count;
2282
2283 if (C4::Context->preference("AlternateHoldingsField") && $items_count == 0) {
2284 my $fieldspec = C4::Context->preference("AlternateHoldingsField");
2285 my $subfields = substr $fieldspec, 3;
2286 my $holdingsep = C4::Context->preference("AlternateHoldingsSeparator") || ' ';
2287 my @alternateholdingsinfo = ();
2288 my @holdingsfields = $marcrecord->field(substr $fieldspec, 0, 3);
2289 my $alternateholdingscount = 0;
2290
2291 for my $field (@holdingsfields) {
2292 my %holding = ( holding => '' );
2293 my $havesubfield = 0;
2294 for my $subfield ($field->subfields()) {
2295 if ((index $subfields, $$subfield[0]) >= 0) {
2296 $holding{'holding'} .= $holdingsep if (length $holding{'holding'} > 0);
2297 $holding{'holding'} .= $$subfield[1];
2298 $havesubfield++;
2299 }
2300 }
2301 if ($havesubfield) {
2302 push(@alternateholdingsinfo, \%holding);
2303 $alternateholdingscount++;
2304 }
2305 }
2306
2307 $oldbiblio->{'ALTERNATEHOLDINGS'} = \@alternateholdingsinfo;
2308 $oldbiblio->{'alternateholdings_count'} = $alternateholdingscount;
2309 }
2310
2311 $oldbiblio->{biblio_object} = Koha::Biblios->find( $oldbiblio->{biblionumber} );
2312
2313 push( @newresults, $oldbiblio );
2314 }
2315
2316 return @newresults;
2317 }
2318
2319 =head2 enabled_staff_search_views
2320
2321 %hash = enabled_staff_search_views()
2322
2323 This function returns a hash that contains three flags obtained from the system
2324 preferences, used to determine whether a particular staff search results view
2325 is enabled.
2326
2327 =over 2
2328
2329 =item C<Output arg:>
2330
2331 * $hash{can_view_MARC} is true only if the MARC view is enabled
2332 * $hash{can_view_ISBD} is true only if the ISBD view is enabled
2333 * $hash{can_view_labeledMARC} is true only if the Labeled MARC view is enabled
2334
2335 =item C<usage in the script:>
2336
2337 =back
2338
2339 $template->param ( C4::Search::enabled_staff_search_views );
2340
2341 =cut
2342
2343 sub enabled_staff_search_views
2344 {
2345 return (
2346 can_view_MARC => C4::Context->preference('viewMARC'), # 1 if the staff search allows the MARC view
2347 can_view_ISBD => C4::Context->preference('viewISBD'), # 1 if the staff search allows the ISBD view
2348 can_view_labeledMARC => C4::Context->preference('viewLabeledMARC'), # 1 if the staff search allows the Labeled MARC view
2349 );
2350 }
2351
2352 =head2 z3950_search_args
2353
2354 $arrayref = z3950_search_args($matchpoints)
2355
2356 This function returns an array reference that contains the search parameters to be
2357 passed to the Z39.50 search script (z3950_search.pl). The array elements
2358 are hash refs whose keys are name and value, and whose values are the
2359 name of a search parameter, the value of that search parameter and the URL encoded
2360 value of that parameter.
2361
2362 The search parameter names are lccn, isbn, issn, title, author, dewey and subject.
2363
2364 The search parameter values are obtained from the bibliographic record whose
2365 data is in a hash reference in $matchpoints, as returned by Biblio::GetBiblioData().
2366
2367 If $matchpoints is a scalar, it is assumed to be an unnamed query descriptor, e.g.
2368 a general purpose search argument. In this case, the returned array contains only
2369 entry: the key is 'title' and the value is derived from $matchpoints.
2370
2371 If a search parameter value is undefined or empty, it is not included in the returned
2372 array.
2373
2374 The returned array reference may be passed directly to the template parameters.
2375
2376 =over 2
2377
2378 =item C<Output arg:>
2379
2380 * $array containing hash refs as described above
2381
2382 =item C<usage in the script:>
2383
2384 =back
2385
2386 $data = Biblio::GetBiblioData($bibno);
2387 $template->param ( MYLOOP => C4::Search::z3950_search_args($data) )
2388
2389 *OR*
2390
2391 $template->param ( MYLOOP => C4::Search::z3950_search_args($searchscalar) )
2392
2393 =cut
2394
2395 sub z3950_search_args {
2396 my $bibrec = shift;
2397
2398 my $isbn_string = ref( $bibrec ) ? $bibrec->{title} : $bibrec;
2399 my $isbn = Business::ISBN->new( $isbn_string );
2400
2401 if (defined $isbn && $isbn->is_valid)
2402 {
2403 if ( ref($bibrec) ) {
2404 $bibrec->{isbn} = $isbn_string;
2405 $bibrec->{title} = undef;
2406 } else {
2407 $bibrec = { isbn => $isbn_string };
2408 }
2409 }
2410 else {
2411 $bibrec = { title => $bibrec } if !ref $bibrec;
2412 }
2413 my $array = [];
2414 for my $field (qw/ lccn isbn issn title author dewey subject /)
2415 {
2416 push @$array, { name => $field, value => $bibrec->{$field} }
2417 if defined $bibrec->{$field};
2418 }
2419 return $array;
2420 }
2421
2422 =head2 GetDistinctValues($field);
2423
2424 C<$field> is a reference to the fields array
2425
2426 =cut
2427
2428 sub GetDistinctValues {
2429 my ($fieldname,$string)=@_;
2430 # returns a reference to a hash of references to branches...
2431 if ($fieldname=~/\./){
2432 my ($table,$column)=split /\./, $fieldname;
2433 my $dbh = C4::Context->dbh;
2434 warn "select DISTINCT($column) as value, count(*) as cnt from $table group by lib order by $column " if $DEBUG;
2435 my $sth = $dbh->prepare("select DISTINCT($column) as value, count(*) as cnt from $table ".($string?" where $column like \"$string%\"":"")."group by value order by $column ");
2436 $sth->execute;
2437 my $elements=$sth->fetchall_arrayref({});
2438 return $elements;
2439 }
2440 else {
2441 $string||= qq("");
2442 my @servers=qw<biblioserver authorityserver>;
2443 my (@zconns,@results);
2444 for ( my $i = 0 ; $i < @servers ; $i++ ) {
2445 $zconns[$i] = C4::Context->Zconn( $servers[$i], 1 );
2446 $results[$i] =
2447 $zconns[$i]->scan(
2448 ZOOM::Query::CCL2RPN->new( qq"$fieldname $string", $zconns[$i])
2449 );
2450 }
2451 # The big moment: asynchronously retrieve results from all servers
2452 my @elements;
2453 _ZOOM_event_loop(
2454 \@zconns,
2455 \@results,
2456 sub {
2457 my ( $i, $size ) = @_;
2458 for ( my $j = 0 ; $j < $size ; $j++ ) {
2459 my %hashscan;
2460 @hashscan{qw(value cnt)} =
2461 $results[ $i - 1 ]->display_term($j);
2462 push @elements, \%hashscan;
2463 }
2464 }
2465 );
2466 return \@elements;
2467 }
2468 }
2469
2470 =head2 _ZOOM_event_loop
2471
2472 _ZOOM_event_loop(\@zconns, \@results, sub {
2473 my ( $i, $size ) = @_;
2474 ....
2475 } );
2476
2477 Processes a ZOOM event loop and passes control to a closure for
2478 processing the results, and destroying the resultsets.
2479
2480 =cut
2481
2482 sub _ZOOM_event_loop {
2483 my ($zconns, $results, $callback) = @_;
2484 while ( ( my $i = ZOOM::event( $zconns ) ) != 0 ) {
2485 my $ev = $zconns->[ $i - 1 ]->last_event();
2486 if ( $ev == ZOOM::Event::ZEND ) {
2487 next unless $results->[ $i - 1 ];
2488 my $size = $results->[ $i - 1 ]->size();
2489 if ( $size > 0 ) {
2490 $callback->($i, $size);
2491 }
2492 }
2493 }
2494
2495 foreach my $result (@$results) {
2496 $result->destroy();
2497 }
2498 }
2499
2500 =head2 new_record_from_zebra
2501
2502 Given raw data from a searchengine result set, return a MARC::Record object
2503
2504 This helper function is needed to take into account all the involved
2505 system preferences and configuration variables to properly create the
2506 MARC::Record object.
2507
2508 If we are using GRS-1, then the raw data we get from Zebra should be USMARC
2509 data. If we are using DOM, then it has to be MARCXML.
2510
2511 If we are using elasticsearch, it'll already be a MARC::Record and this
2512 function needs a new name.
2513
2514 =cut
2515
2516 sub new_record_from_zebra {
2517
2518 my $server = shift;
2519 my $raw_data = shift;
2520 # Set the default indexing modes
2521 my $search_engine = C4::Context->preference("SearchEngine");
2522 if ($search_engine eq 'Elasticsearch') {
2523 return ref $raw_data eq 'MARC::Record' ? $raw_data : MARC::Record->new_from_xml( $raw_data, 'UTF-8' );
2524 }
2525 my $index_mode = ( $server eq 'biblioserver' )
2526 ? C4::Context->config('zebra_bib_index_mode') // 'dom'
2527 : C4::Context->config('zebra_auth_index_mode') // 'dom';
2528
2529 my $marc_record = eval {
2530 if ( $index_mode eq 'dom' ) {
2531 MARC::Record->new_from_xml( $raw_data, 'UTF-8' );
2532 } else {
2533 MARC::Record->new_from_usmarc( $raw_data );
2534 }
2535 };
2536
2537 if ($@) {
2538 return;
2539 } else {
2540 return $marc_record;
2541 }
2542
2543 }
2544
2545 END { } # module clean-up code here (global destructor)
2546
2547 1;
2548 __END__
2549
2550 =head1 AUTHOR
2551
2552 Koha Development Team <http://koha-community.org/>
2553
2554 =cut
Koha ILS