3 # This file is part of Koha.
5 # Koha is free software; you can redistribute it and/or modify it under the
6 # terms of the GNU General Public License as published by the Free Software
7 # Foundation; either version 2 of the License, or (at your option) any later
10 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12 # A PARTICULAR PURPOSE. See the GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License along with
15 # Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
16 # Suite 330, Boston, MA 02111-1307 USA
19 # use warnings; # FIXME
22 use C4::Biblio; # GetMarcFromKohaField
23 use C4::Koha; # getFacets
25 use C4::Search::PazPar2;
27 use C4::Dates qw(format_date);
31 use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $DEBUG);
33 # set the version for version checking
36 $DEBUG = ($ENV{DEBUG}) ? 1 : 0;
41 C4::Search - Functions for searching the Koha catalog.
45 See opac/opac-search.pl or catalogue/search.pl for example of usage
49 This module provides searching functions for Koha's bibliographic databases
66 # make all your functions, whether exported or not;
68 =head2 findseealso($dbh,$fields);
70 C<$dbh> is a link to the DB handler.
73 my $dbh =C4::Context->dbh;
75 C<$fields> is a reference to the fields array
77 This function modifies the @$fields array and adds related fields to search on.
79 FIXME: this function is probably deprecated in Koha 3
84 my ( $dbh, $fields ) = @_;
85 my $tagslib = GetMarcStructure(1);
86 for ( my $i = 0 ; $i <= $#{$fields} ; $i++ ) {
87 my ($tag) = substr( @$fields[$i], 1, 3 );
88 my ($subfield) = substr( @$fields[$i], 4, 1 );
89 @$fields[$i] .= ',' . $tagslib->{$tag}->{$subfield}->{seealso}
90 if ( $tagslib->{$tag}->{$subfield}->{seealso} );
96 ($biblionumber,$biblionumber,$title) = FindDuplicate($record);
98 This function attempts to find duplicate records using a hard-coded, fairly simplistic algorithm
104 my $dbh = C4::Context->dbh;
105 my $result = TransformMarcToKoha( $dbh, $record, '' );
110 my ( $biblionumber, $title );
112 # search duplicate on ISBN, easy and fast..
113 # ... normalize first
114 if ( $result->{isbn} ) {
115 $result->{isbn} =~ s/\(.*$//;
116 $result->{isbn} =~ s/\s+$//;
117 $query = "isbn=$result->{isbn}";
120 $result->{title} =~ s /\\//g;
121 $result->{title} =~ s /\"//g;
122 $result->{title} =~ s /\(//g;
123 $result->{title} =~ s /\)//g;
125 # FIXME: instead of removing operators, could just do
126 # quotes around the value
127 $result->{title} =~ s/(and|or|not)//g;
128 $query = "ti,ext=$result->{title}";
129 $query .= " and itemtype=$result->{itemtype}"
130 if ( $result->{itemtype} );
131 if ( $result->{author} ) {
132 $result->{author} =~ s /\\//g;
133 $result->{author} =~ s /\"//g;
134 $result->{author} =~ s /\(//g;
135 $result->{author} =~ s /\)//g;
137 # remove valid operators
138 $result->{author} =~ s/(and|or|not)//g;
139 $query .= " and au,ext=$result->{author}";
143 # FIXME: add error handling
144 my ( $error, $searchresults ) = SimpleSearch($query); # FIXME :: hardcoded !
146 foreach my $possible_duplicate_record (@$searchresults) {
148 MARC::Record->new_from_usmarc($possible_duplicate_record);
149 my $result = TransformMarcToKoha( $dbh, $marcrecord, '' );
151 # FIXME :: why 2 $biblionumber ?
153 push @results, $result->{'biblionumber'};
154 push @results, $result->{'title'};
162 ( $error, $results, $total_hits ) = SimpleSearch( $query, $offset, $max_results, [@servers] );
164 This function provides a simple search API on the bibliographic catalog
170 * $query can be a simple keyword or a complete CCL query
171 * @servers is optional. Defaults to biblioserver as found in koha-conf.xml
172 * $offset - If present, represents the number of records at the beggining to omit. Defaults to 0
173 * $max_results - if present, determines the maximum number of records to fetch. undef is All. defaults to undef.
178 * $error is a empty unless an error is detected
179 * \@results is an array of records.
180 * $total_hits is the number of hits that would have been returned with no limit
182 =item C<usage in the script:>
186 my ( $error, $marcresults, $total_hits ) = SimpleSearch($query);
188 if (defined $error) {
189 $template->param(query_error => $error);
190 warn "error: ".$error;
191 output_html_with_http_headers $input, $cookie, $template->output;
195 my $hits = scalar @$marcresults;
198 for my $i (0..$hits) {
200 my $marcrecord = MARC::File::USMARC::decode($marcresults->[$i]);
201 my $biblio = TransformMarcToKoha(C4::Context->dbh,$marcrecord,'');
203 #build the hash for the template.
204 $resultsloop{highlight} = ($i % 2)?(1):(0);
205 $resultsloop{title} = $biblio->{'title'};
206 $resultsloop{subtitle} = $biblio->{'subtitle'};
207 $resultsloop{biblionumber} = $biblio->{'biblionumber'};
208 $resultsloop{author} = $biblio->{'author'};
209 $resultsloop{publishercode} = $biblio->{'publishercode'};
210 $resultsloop{publicationyear} = $biblio->{'publicationyear'};
212 push @results, \%resultsloop;
215 $template->param(result=>\@results);
220 my ( $query, $offset, $max_results, $servers ) = @_;
222 if ( C4::Context->preference('NoZebra') ) {
223 my $result = NZorder( NZanalyse($query) )->{'biblioserver'};
226 && $result->{hits} > 0 ? $result->{'RECORDS'} : [] );
227 return ( undef, $search_result, scalar($search_result) );
230 # FIXME hardcoded value. See catalog/search.pl & opac-search.pl too.
231 my @servers = defined ( $servers ) ? @$servers : ( "biblioserver" );
237 return ( "No query entered", undef, undef ) unless $query;
239 # Initialize & Search Zebra
240 for ( my $i = 0 ; $i < @servers ; $i++ ) {
242 $zconns[$i] = C4::Context->Zconn( $servers[$i], 1 );
243 $zoom_queries[$i] = new ZOOM::Query::CCL2RPN( $query, $zconns[$i]);
244 $tmpresults[$i] = $zconns[$i]->search( $zoom_queries[$i] );
248 $zconns[$i]->errmsg() . " ("
249 . $zconns[$i]->errcode() . ") "
250 . $zconns[$i]->addinfo() . " "
251 . $zconns[$i]->diagset();
253 return ( $error, undef, undef ) if $zconns[$i]->errcode();
257 # caught a ZOOM::Exception
261 . $@->addinfo() . " "
264 return ( $error, undef, undef );
267 while ( ( my $i = ZOOM::event( \@zconns ) ) != 0 ) {
268 my $event = $zconns[ $i - 1 ]->last_event();
269 if ( $event == ZOOM::Event::ZEND ) {
271 my $first_record = defined( $offset ) ? $offset+1 : 1;
272 my $hits = $tmpresults[ $i - 1 ]->size();
273 $total_hits += $hits;
274 my $last_record = $hits;
275 if ( defined $max_results && $offset + $max_results < $hits ) {
276 $last_record = $offset + $max_results;
279 for my $j ( $first_record..$last_record ) {
280 my $record = $tmpresults[ $i - 1 ]->record( $j-1 )->raw(); # 0 indexed
281 push @results, $record;
286 foreach my $result (@tmpresults) {
289 foreach my $zoom_query (@zoom_queries) {
290 $zoom_query->destroy();
293 return ( undef, \@results, $total_hits );
299 ( undef, $results_hashref, \@facets_loop ) = getRecords (
301 $koha_query, $simple_query, $sort_by_ref, $servers_ref,
302 $results_per_page, $offset, $expanded_facet, $branches,
306 The all singing, all dancing, multi-server, asynchronous, scanning,
307 searching, record nabbing, facet-building
309 See verbse embedded documentation.
315 $koha_query, $simple_query, $sort_by_ref, $servers_ref,
316 $results_per_page, $offset, $expanded_facet, $branches,
320 my @servers = @$servers_ref;
321 my @sort_by = @$sort_by_ref;
323 # Initialize variables for the ZOOM connection and results object
327 my $results_hashref = ();
329 # Initialize variables for the faceted results objects
330 my $facets_counter = ();
331 my $facets_info = ();
332 my $facets = getFacets();
334 my @facets_loop; # stores the ref to array of hashes for template facets loop
336 ### LOOP THROUGH THE SERVERS
337 for ( my $i = 0 ; $i < @servers ; $i++ ) {
338 $zconns[$i] = C4::Context->Zconn( $servers[$i], 1 );
340 # perform the search, create the results objects
341 # if this is a local search, use the $koha-query, if it's a federated one, use the federated-query
342 my $query_to_use = ($servers[$i] =~ /biblioserver/) ? $koha_query : $simple_query;
344 #$query_to_use = $simple_query if $scan;
345 warn $simple_query if ( $scan and $DEBUG );
347 # Check if we've got a query_type defined, if so, use it
351 if ( $query_type =~ /^ccl/ ) {
353 s/\:/\=/g; # change : to = last minute (FIXME)
356 new ZOOM::Query::CCL2RPN( $query_to_use, $zconns[$i] )
359 elsif ( $query_type =~ /^cql/ ) {
362 new ZOOM::Query::CQL( $query_to_use, $zconns[$i] ) );
364 elsif ( $query_type =~ /^pqf/ ) {
367 new ZOOM::Query::PQF( $query_to_use, $zconns[$i] ) );
374 new ZOOM::Query::CCL2RPN( $query_to_use, $zconns[$i] )
380 new ZOOM::Query::CCL2RPN( $query_to_use, $zconns[$i] )
386 warn "WARNING: query problem with $query_to_use " . $@;
389 # Concatenate the sort_by limits and pass them to the results object
390 # Note: sort will override rank
392 foreach my $sort (@sort_by) {
393 if ( $sort eq "author_az" ) {
394 $sort_by .= "1=1003 <i ";
396 elsif ( $sort eq "author_za" ) {
397 $sort_by .= "1=1003 >i ";
399 elsif ( $sort eq "popularity_asc" ) {
400 $sort_by .= "1=9003 <i ";
402 elsif ( $sort eq "popularity_dsc" ) {
403 $sort_by .= "1=9003 >i ";
405 elsif ( $sort eq "call_number_asc" ) {
406 $sort_by .= "1=20 <i ";
408 elsif ( $sort eq "call_number_dsc" ) {
409 $sort_by .= "1=20 >i ";
411 elsif ( $sort eq "pubdate_asc" ) {
412 $sort_by .= "1=31 <i ";
414 elsif ( $sort eq "pubdate_dsc" ) {
415 $sort_by .= "1=31 >i ";
417 elsif ( $sort eq "acqdate_asc" ) {
418 $sort_by .= "1=32 <i ";
420 elsif ( $sort eq "acqdate_dsc" ) {
421 $sort_by .= "1=32 >i ";
423 elsif ( $sort eq "title_az" ) {
424 $sort_by .= "1=4 <i ";
426 elsif ( $sort eq "title_za" ) {
427 $sort_by .= "1=4 >i ";
430 warn "Ignoring unrecognized sort '$sort' requested";
434 if ( $results[$i]->sort( "yaz", $sort_by ) < 0 ) {
435 warn "WARNING sort $sort_by failed";
438 } # finished looping through servers
440 # The big moment: asynchronously retrieve results from all servers
441 while ( ( my $i = ZOOM::event( \@zconns ) ) != 0 ) {
442 my $ev = $zconns[ $i - 1 ]->last_event();
443 if ( $ev == ZOOM::Event::ZEND ) {
444 next unless $results[ $i - 1 ];
445 my $size = $results[ $i - 1 ]->size();
449 # loop through the results
450 $results_hash->{'hits'} = $size;
452 if ( $offset + $results_per_page <= $size ) {
453 $times = $offset + $results_per_page;
458 for ( my $j = $offset ; $j < $times ; $j++ ) {
463 ## Check if it's an index scan
465 my ( $term, $occ ) = $results[ $i - 1 ]->term($j);
467 # here we create a minimal MARC record and hand it off to the
468 # template just like a normal result ... perhaps not ideal, but
470 my $tmprecord = MARC::Record->new();
471 $tmprecord->encoding('UTF-8');
475 # the minimal record in author/title (depending on MARC flavour)
476 if (C4::Context->preference("marcflavour") eq "UNIMARC") {
477 $tmptitle = MARC::Field->new('200',' ',' ', a => $term, f => $occ);
478 $tmprecord->append_fields($tmptitle);
480 $tmptitle = MARC::Field->new('245',' ',' ', a => $term,);
481 $tmpauthor = MARC::Field->new('100',' ',' ', a => $occ,);
482 $tmprecord->append_fields($tmptitle);
483 $tmprecord->append_fields($tmpauthor);
485 $results_hash->{'RECORDS'}[$j] = $tmprecord->as_usmarc();
490 $record = $results[ $i - 1 ]->record($j)->raw();
492 # warn "RECORD $j:".$record;
493 $results_hash->{'RECORDS'}[$j] = $record;
495 # Fill the facets while we're looping, but only for the biblioserver
496 $facet_record = MARC::Record->new_from_usmarc($record)
497 if $servers[ $i - 1 ] =~ /biblioserver/;
499 #warn $servers[$i-1]."\n".$record; #.$facet_record->title();
501 for ( my $k = 0 ; $k <= @$facets ; $k++ ) {
503 if ( $facets->[$k] ) {
505 for my $tag ( @{ $facets->[$k]->{'tags'} } )
508 $facet_record->field($tag);
510 for my $field (@fields) {
511 my @subfields = $field->subfields();
512 for my $subfield (@subfields) {
513 my ( $code, $data ) = @$subfield;
515 $facets->[$k]->{'subfield'} )
517 $facets_counter->{ $facets->[$k]
523 $facets_info->{ $facets->[$k]
524 ->{'link_value'} }->{'label_value'} =
525 $facets->[$k]->{'label_value'};
526 $facets_info->{ $facets->[$k]
527 ->{'link_value'} }->{'expanded'} =
528 $facets->[$k]->{'expanded'};
534 $results_hashref->{ $servers[ $i - 1 ] } = $results_hash;
537 # warn "connection ", $i-1, ": $size hits";
538 # warn $results[$i-1]->record(0)->render() if $size > 0;
541 if ( $servers[ $i - 1 ] =~ /biblioserver/ ) {
543 sort { $facets_counter->{$b} <=> $facets_counter->{$a} }
544 keys %$facets_counter )
547 my $number_of_facets;
548 my @this_facets_array;
551 $facets_counter->{$link_value}
552 ->{$b} <=> $facets_counter->{$link_value}->{$a}
553 } keys %{ $facets_counter->{$link_value} }
557 if ( ( $number_of_facets < 6 )
558 || ( $expanded_facet eq $link_value )
559 || ( $facets_info->{$link_value}->{'expanded'} ) )
562 # Sanitize the link value ), ( will cause errors with CCL,
563 my $facet_link_value = $one_facet;
564 $facet_link_value =~ s/(\(|\))/ /g;
566 # fix the length that will display in the label,
567 my $facet_label_value = $one_facet;
569 substr( $one_facet, 0, 20 ) . "..."
570 unless length($facet_label_value) <= 20;
572 # if it's a branch, label by the name, not the code,
573 if ( $link_value =~ /branch/ ) {
575 $branches->{$one_facet}->{'branchname'};
578 # but we're down with the whole label being in the link's title.
579 my $facet_title_value = $one_facet;
581 push @this_facets_array,
585 $facets_counter->{$link_value}
587 facet_label_value => $facet_label_value,
588 facet_title_value => $facet_title_value,
589 facet_link_value => $facet_link_value,
590 type_link_value => $link_value,
596 # handle expanded option
597 unless ( $facets_info->{$link_value}->{'expanded'} ) {
599 if ( ( $number_of_facets > 6 )
600 && ( $expanded_facet ne $link_value ) );
605 type_link_value => $link_value,
606 type_id => $link_value . "_id",
607 "type_label_" . $facets_info->{$link_value}->{'label_value'} => 1,
608 facets => \@this_facets_array,
609 expandable => $expandable,
610 expand => $link_value,
612 ) unless ( ($facets_info->{$link_value}->{'label_value'} =~ /Libraries/) and (C4::Context->preference('singleBranchMode')) );
617 return ( undef, $results_hashref, \@facets_loop );
622 $koha_query, $simple_query, $sort_by_ref, $servers_ref,
623 $results_per_page, $offset, $expanded_facet, $branches,
627 my $paz = C4::Search::PazPar2->new(C4::Context->config('pazpar2url'));
629 $paz->search($simple_query);
630 sleep 1; # FIXME: WHY?
633 my $results_hashref = {};
634 my $stats = XMLin($paz->stat);
635 my $results = XMLin($paz->show($offset, $results_per_page, 'work-title:1'), forcearray => 1);
637 # for a grouped search result, the number of hits
638 # is the number of groups returned; 'bib_hits' will have
639 # the total number of bibs.
640 $results_hashref->{'biblioserver'}->{'hits'} = $results->{'merged'}->[0];
641 $results_hashref->{'biblioserver'}->{'bib_hits'} = $stats->{'hits'};
643 HIT: foreach my $hit (@{ $results->{'hit'} }) {
644 my $recid = $hit->{recid}->[0];
646 my $work_title = $hit->{'md-work-title'}->[0];
648 if (exists $hit->{'md-work-author'}) {
649 $work_author = $hit->{'md-work-author'}->[0];
651 my $group_label = (defined $work_author) ? "$work_title / $work_author" : $work_title;
653 my $result_group = {};
654 $result_group->{'group_label'} = $group_label;
655 $result_group->{'group_merge_key'} = $recid;
658 if (exists $hit->{count}) {
659 $count = $hit->{count}->[0];
661 $result_group->{'group_count'} = $count;
663 for (my $i = 0; $i < $count; $i++) {
664 # FIXME -- may need to worry about diacritics here
665 my $rec = $paz->record($recid, $i);
666 push @{ $result_group->{'RECORDS'} }, $rec;
669 push @{ $results_hashref->{'biblioserver'}->{'GROUPS'} }, $result_group;
672 # pass through facets
673 my $termlist_xml = $paz->termlist('author,subject');
674 my $terms = XMLin($termlist_xml, forcearray => 1);
675 my @facets_loop = ();
676 #die Dumper($results);
677 # foreach my $list (sort keys %{ $terms->{'list'} }) {
679 # foreach my $facet (sort @{ $terms->{'list'}->{$list}->{'term'} } ) {
681 # facet_label_value => $facet->{'name'}->[0],
684 # push @facets_loop, ( {
685 # type_label => $list,
686 # facets => \@facets,
690 return ( undef, $results_hashref, \@facets_loop );
694 sub _remove_stopwords {
695 my ( $operand, $index ) = @_;
696 my @stopwords_removed;
698 # phrase and exact-qualified indexes shouldn't have stopwords removed
699 if ( $index !~ m/phr|ext/ ) {
701 # remove stopwords from operand : parse all stopwords & remove them (case insensitive)
702 # we use IsAlpha unicode definition, to deal correctly with diacritics.
703 # otherwise, a French word like "leçon" woudl be split into "le" "çon", "le"
704 # is a stopword, we'd get "çon" and wouldn't find anything...
705 foreach ( keys %{ C4::Context->stopwords } ) {
706 next if ( $_ =~ /(and|or|not)/ ); # don't remove operators
708 /(\P{IsAlpha}$_\P{IsAlpha}|^$_\P{IsAlpha}|\P{IsAlpha}$_$|^$_$)/ )
710 $operand =~ s/\P{IsAlpha}$_\P{IsAlpha}/ /gi;
711 $operand =~ s/^$_\P{IsAlpha}/ /gi;
712 $operand =~ s/\P{IsAlpha}$_$/ /gi;
713 $operand =~ s/$1//gi;
714 push @stopwords_removed, $_;
718 return ( $operand, \@stopwords_removed );
722 sub _detect_truncation {
723 my ( $operand, $index ) = @_;
724 my ( @nontruncated, @righttruncated, @lefttruncated, @rightlefttruncated,
727 my @wordlist = split( /\s/, $operand );
728 foreach my $word (@wordlist) {
729 if ( $word =~ s/^\*([^\*]+)\*$/$1/ ) {
730 push @rightlefttruncated, $word;
732 elsif ( $word =~ s/^\*([^\*]+)$/$1/ ) {
733 push @lefttruncated, $word;
735 elsif ( $word =~ s/^([^\*]+)\*$/$1/ ) {
736 push @righttruncated, $word;
738 elsif ( index( $word, "*" ) < 0 ) {
739 push @nontruncated, $word;
742 push @regexpr, $word;
746 \@nontruncated, \@righttruncated, \@lefttruncated,
747 \@rightlefttruncated, \@regexpr
752 sub _build_stemmed_operand {
756 # If operand contains a digit, it is almost certainly an identifier, and should
757 # not be stemmed. This is particularly relevant for ISBNs and ISSNs, which
758 # can contain the letter "X" - for example, _build_stemmend_operand would reduce
759 # "014100018X" to "x ", which for a MARC21 database would bring up irrelevant
760 # results (e.g., "23 x 29 cm." from the 300$c). Bug 2098.
761 return $operand if $operand =~ /\d/;
763 # FIXME: the locale should be set based on the user's language and/or search choice
764 my $stemmer = Lingua::Stem->new( -locale => 'EN-US' );
766 # FIXME: these should be stored in the db so the librarian can modify the behavior
767 $stemmer->add_exceptions(
774 my @words = split( / /, $operand );
775 my $stems = $stemmer->stem(@words);
776 for my $stem (@$stems) {
777 $stemmed_operand .= "$stem";
778 $stemmed_operand .= "?"
779 unless ( $stem =~ /(and$|or$|not$)/ ) || ( length($stem) < 3 );
780 $stemmed_operand .= " ";
782 warn "STEMMED OPERAND: $stemmed_operand" if $DEBUG;
783 return $stemmed_operand;
787 sub _build_weighted_query {
789 # FIELD WEIGHTING - This is largely experimental stuff. What I'm committing works
790 # pretty well but could work much better if we had a smarter query parser
791 my ( $operand, $stemmed_operand, $index ) = @_;
792 my $stemming = C4::Context->preference("QueryStemming") || 0;
793 my $weight_fields = C4::Context->preference("QueryWeightFields") || 0;
794 my $fuzzy_enabled = C4::Context->preference("QueryFuzzy") || 0;
796 my $weighted_query .= "(rk=("; # Specifies that we're applying rank
798 # Keyword, or, no index specified
799 if ( ( $index eq 'kw' ) || ( !$index ) ) {
801 "Title-cover,ext,r1=\"$operand\""; # exact title-cover
802 $weighted_query .= " or ti,ext,r2=\"$operand\""; # exact title
803 $weighted_query .= " or ti,phr,r3=\"$operand\""; # phrase title
804 #$weighted_query .= " or any,ext,r4=$operand"; # exact any
805 #$weighted_query .=" or kw,wrdl,r5=\"$operand\""; # word list any
806 $weighted_query .= " or wrdl,fuzzy,r8=\"$operand\""
807 if $fuzzy_enabled; # add fuzzy, word list
808 $weighted_query .= " or wrdl,right-Truncation,r9=\"$stemmed_operand\""
809 if ( $stemming and $stemmed_operand )
810 ; # add stemming, right truncation
811 $weighted_query .= " or wrdl,r9=\"$operand\"";
813 # embedded sorting: 0 a-z; 1 z-a
814 # $weighted_query .= ") or (sort1,aut=1";
817 # Barcode searches should skip this process
818 elsif ( $index eq 'bc' ) {
819 $weighted_query .= "bc=\"$operand\"";
822 # Authority-number searches should skip this process
823 elsif ( $index eq 'an' ) {
824 $weighted_query .= "an=\"$operand\"";
827 # If the index already has more than one qualifier, wrap the operand
828 # in quotes and pass it back (assumption is that the user knows what they
829 # are doing and won't appreciate us mucking up their query
830 elsif ( $index =~ ',' ) {
831 $weighted_query .= " $index=\"$operand\"";
834 #TODO: build better cases based on specific search indexes
836 $weighted_query .= " $index,ext,r1=\"$operand\""; # exact index
837 #$weighted_query .= " or (title-sort-az=0 or $index,startswithnt,st-word,r3=$operand #)";
838 $weighted_query .= " or $index,phr,r3=\"$operand\""; # phrase index
840 " or $index,rt,wrdl,r3=\"$operand\""; # word list index
843 $weighted_query .= "))"; # close rank specification
844 return $weighted_query;
850 $simple_query, $query_cgi,
852 $limit_cgi, $limit_desc,
853 $stopwords_removed, $query_type ) = getRecords ( $operators, $operands, $indexes, $limits, $sort_by, $scan);
855 Build queries and limits in CCL, CGI, Human,
856 handle truncation, stemming, field weighting, stopwords, fuzziness, etc.
858 See verbose embedded documentation.
864 my ( $operators, $operands, $indexes, $limits, $sort_by, $scan ) = @_;
866 warn "---------\nEnter buildQuery\n---------" if $DEBUG;
869 my @operators = @$operators if $operators;
870 my @indexes = @$indexes if $indexes;
871 my @operands = @$operands if $operands;
872 my @limits = @$limits if $limits;
873 my @sort_by = @$sort_by if $sort_by;
875 my $stemming = C4::Context->preference("QueryStemming") || 0;
876 my $auto_truncation = C4::Context->preference("QueryAutoTruncate") || 0;
877 my $weight_fields = C4::Context->preference("QueryWeightFields") || 0;
878 my $fuzzy_enabled = C4::Context->preference("QueryFuzzy") || 0;
879 my $remove_stopwords = C4::Context->preference("QueryRemoveStopwords") || 0;
881 # no stemming/weight/fuzzy in NoZebra
882 if ( C4::Context->preference("NoZebra") ) {
888 my $query = $operands[0];
889 my $simple_query = $operands[0];
891 # initialize the variables we're passing back
900 my $stopwords_removed; # flag to determine if stopwords have been removed
902 # for handling ccl, cql, pqf queries in diagnostic mode, skip the rest of the steps
904 if ( $query =~ /^ccl=/ ) {
905 return ( undef, $', $', $', $', '', '', '', '', 'ccl' );
907 if ( $query =~ /^cql=/ ) {
908 return ( undef, $', $', $', $', '', '', '', '', 'cql' );
910 if ( $query =~ /^pqf=/ ) {
911 return ( undef, $', $', $', $', '', '', '', '', 'pqf' );
914 # pass nested queries directly
915 # FIXME: need better handling of some of these variables in this case
916 if ( $query =~ /(\(|\))/ ) {
918 undef, $query, $simple_query, $query_cgi,
919 $query, $limit, $limit_cgi, $limit_desc,
920 $stopwords_removed, 'ccl'
924 # Form-based queries are non-nested and fixed depth, so we can easily modify the incoming
925 # query operands and indexes and add stemming, truncation, field weighting, etc.
926 # Once we do so, we'll end up with a value in $query, just like if we had an
927 # incoming $query from the user
930 ; # clear it out so we can populate properly with field-weighted, stemmed, etc. query
932 ; # a flag used to keep track if there was a previous query
933 # if there was, we can apply the current operator
935 for ( my $i = 0 ; $i <= @operands ; $i++ ) {
937 # COMBINE OPERANDS, INDEXES AND OPERATORS
938 if ( $operands[$i] ) {
940 # A flag to determine whether or not to add the index to the query
943 # If the user is sophisticated enough to specify an index, turn off field weighting, stemming, and stopword handling
944 if ( $operands[$i] =~ /(:|=)/ || $scan ) {
947 $remove_stopwords = 0;
949 my $operand = $operands[$i];
950 my $index = $indexes[$i];
952 # Add index-specific attributes
953 # Date of Publication
954 if ( $index eq 'yr' ) {
955 $index .= ",st-numeric";
957 $stemming = $auto_truncation = $weight_fields = $fuzzy_enabled = $remove_stopwords = 0;
960 # Date of Acquisition
961 elsif ( $index eq 'acqdate' ) {
962 $index .= ",st-date-normalized";
964 $stemming = $auto_truncation = $weight_fields = $fuzzy_enabled = $remove_stopwords = 0;
966 # ISBN,ISSN,Standard Number, don't need special treatment
967 elsif ( $index eq 'nb' || $index eq 'ns' ) {
970 $stemming, $auto_truncation,
971 $weight_fields, $fuzzy_enabled,
973 ) = ( 0, 0, 0, 0, 0 );
976 # Set default structure attribute (word list)
978 unless ( $indexes_set || !$index || $index =~ /(st-|phr|ext|wrdl)/ ) {
979 $struct_attr = ",wrdl";
982 # Some helpful index variants
983 my $index_plus = $index . $struct_attr . ":" if $index;
984 my $index_plus_comma = $index . $struct_attr . "," if $index;
987 if ($remove_stopwords) {
988 ( $operand, $stopwords_removed ) =
989 _remove_stopwords( $operand, $index );
990 warn "OPERAND w/out STOPWORDS: >$operand<" if $DEBUG;
991 warn "REMOVED STOPWORDS: @$stopwords_removed"
992 if ( $stopwords_removed && $DEBUG );
996 my $truncated_operand;
997 my( $nontruncated, $righttruncated, $lefttruncated,
998 $rightlefttruncated, $regexpr
999 ) = _detect_truncation( $operand, $index );
1001 "TRUNCATION: NON:>@$nontruncated< RIGHT:>@$righttruncated< LEFT:>@$lefttruncated< RIGHTLEFT:>@$rightlefttruncated< REGEX:>@$regexpr<"
1006 scalar(@$righttruncated) + scalar(@$lefttruncated) +
1007 scalar(@$rightlefttruncated) > 0 )
1010 # Don't field weight or add the index to the query, we do it here
1012 undef $weight_fields;
1013 my $previous_truncation_operand;
1014 if ( scalar(@$nontruncated) > 0 ) {
1015 $truncated_operand .= "$index_plus @$nontruncated ";
1016 $previous_truncation_operand = 1;
1018 if ( scalar(@$righttruncated) > 0 ) {
1019 $truncated_operand .= "and "
1020 if $previous_truncation_operand;
1021 $truncated_operand .=
1022 "$index_plus_comma" . "rtrn:@$righttruncated ";
1023 $previous_truncation_operand = 1;
1025 if ( scalar(@$lefttruncated) > 0 ) {
1026 $truncated_operand .= "and "
1027 if $previous_truncation_operand;
1028 $truncated_operand .=
1029 "$index_plus_comma" . "ltrn:@$lefttruncated ";
1030 $previous_truncation_operand = 1;
1032 if ( scalar(@$rightlefttruncated) > 0 ) {
1033 $truncated_operand .= "and "
1034 if $previous_truncation_operand;
1035 $truncated_operand .=
1036 "$index_plus_comma" . "rltrn:@$rightlefttruncated ";
1037 $previous_truncation_operand = 1;
1040 $operand = $truncated_operand if $truncated_operand;
1041 warn "TRUNCATED OPERAND: >$truncated_operand<" if $DEBUG;
1044 my $stemmed_operand;
1045 $stemmed_operand = _build_stemmed_operand($operand)
1047 warn "STEMMED OPERAND: >$stemmed_operand<" if $DEBUG;
1049 # Handle Field Weighting
1050 my $weighted_operand;
1052 _build_weighted_query( $operand, $stemmed_operand, $index )
1054 warn "FIELD WEIGHTED OPERAND: >$weighted_operand<" if $DEBUG;
1055 $operand = $weighted_operand if $weight_fields;
1056 $indexes_set = 1 if $weight_fields;
1058 # If there's a previous operand, we need to add an operator
1059 if ($previous_operand) {
1061 # User-specified operator
1062 if ( $operators[ $i - 1 ] ) {
1063 $query .= " $operators[$i-1] ";
1064 $query .= " $index_plus " unless $indexes_set;
1065 $query .= " $operand";
1066 $query_cgi .= "&op=$operators[$i-1]";
1067 $query_cgi .= "&idx=$index" if $index;
1068 $query_cgi .= "&q=$operands[$i]" if $operands[$i];
1070 " $operators[$i-1] $index_plus $operands[$i]";
1073 # Default operator is and
1076 $query .= "$index_plus " unless $indexes_set;
1077 $query .= "$operand";
1078 $query_cgi .= "&op=and&idx=$index" if $index;
1079 $query_cgi .= "&q=$operands[$i]" if $operands[$i];
1080 $query_desc .= " and $index_plus $operands[$i]";
1084 # There isn't a pervious operand, don't need an operator
1087 # Field-weighted queries already have indexes set
1088 $query .= " $index_plus " unless $indexes_set;
1090 $query_desc .= " $index_plus $operands[$i]";
1091 $query_cgi .= "&idx=$index" if $index;
1092 $query_cgi .= "&q=$operands[$i]" if $operands[$i];
1093 $previous_operand = 1;
1098 warn "QUERY BEFORE LIMITS: >$query<" if $DEBUG;
1101 my $group_OR_limits;
1102 my $availability_limit;
1103 foreach my $this_limit (@limits) {
1104 if ( $this_limit =~ /available/ ) {
1106 # 'available' is defined as (items.onloan is NULL) and (items.itemlost = 0)
1108 # all records not indexed in the onloan register (zebra) and all records with a value of lost equal to 0
1109 $availability_limit .=
1110 "( ( allrecords,AlwaysMatches='' not onloan,AlwaysMatches='') and (lost,st-numeric=0) )"; #or ( allrecords,AlwaysMatches='' not lost,AlwaysMatches='')) )";
1111 $limit_cgi .= "&limit=available";
1115 # group_OR_limits, prefixed by mc-
1116 # OR every member of the group
1117 elsif ( $this_limit =~ /mc/ ) {
1118 $group_OR_limits .= " or " if $group_OR_limits;
1119 $limit_desc .= " or " if $group_OR_limits;
1120 $group_OR_limits .= "$this_limit";
1121 $limit_cgi .= "&limit=$this_limit";
1122 $limit_desc .= " $this_limit";
1125 # Regular old limits
1127 $limit .= " and " if $limit || $query;
1128 $limit .= "$this_limit";
1129 $limit_cgi .= "&limit=$this_limit";
1130 if ($this_limit =~ /^branch:(.+)/) {
1131 my $branchcode = $1;
1132 my $branchname = GetBranchName($branchcode);
1133 if (defined $branchname) {
1134 $limit_desc .= " branch:$branchname";
1136 $limit_desc .= " $this_limit";
1139 $limit_desc .= " $this_limit";
1143 if ($group_OR_limits) {
1144 $limit .= " and " if ( $query || $limit );
1145 $limit .= "($group_OR_limits)";
1147 if ($availability_limit) {
1148 $limit .= " and " if ( $query || $limit );
1149 $limit .= "($availability_limit)";
1152 # Normalize the query and limit strings
1155 for ( $query, $query_desc, $limit, $limit_desc ) {
1156 $_ =~ s/ / /g; # remove extra spaces
1157 $_ =~ s/^ //g; # remove any beginning spaces
1158 $_ =~ s/ $//g; # remove any ending spaces
1159 $_ =~ s/==/=/g; # remove double == from query
1161 $query_cgi =~ s/^&//; # remove unnecessary & from beginning of the query cgi
1163 for ($query_cgi,$simple_query) {
1166 # append the limit to the query
1167 $query .= " " . $limit;
1171 warn "QUERY:" . $query;
1172 warn "QUERY CGI:" . $query_cgi;
1173 warn "QUERY DESC:" . $query_desc;
1174 warn "LIMIT:" . $limit;
1175 warn "LIMIT CGI:" . $limit_cgi;
1176 warn "LIMIT DESC:" . $limit_desc;
1177 warn "---------\nLeave buildQuery\n---------";
1180 undef, $query, $simple_query, $query_cgi,
1181 $query_desc, $limit, $limit_cgi, $limit_desc,
1182 $stopwords_removed, $query_type
1186 =head2 searchResults
1188 Format results in a form suitable for passing to the template
1192 # IMO this subroutine is pretty messy still -- it's responsible for
1193 # building the HTML output for the template
1195 my ( $searchdesc, $hits, $results_per_page, $offset, $scan, @marcresults ) = @_;
1196 my $dbh = C4::Context->dbh;
1200 # add search-term highlighting via <span>s on the search terms
1201 my $span_terms_hashref;
1202 for my $span_term ( split( / /, $searchdesc ) ) {
1203 $span_term =~ s/(.*=|\)|\(|\+|\.|\*)//g;
1204 $span_terms_hashref->{$span_term}++;
1207 #Build branchnames hash
1209 #get branch information.....
1212 $dbh->prepare("SELECT branchcode,branchname FROM branches")
1213 ; # FIXME : use C4::Koha::GetBranches
1215 while ( my $bdata = $bsth->fetchrow_hashref ) {
1216 $branches{ $bdata->{'branchcode'} } = $bdata->{'branchname'};
1218 # FIXME - We build an authorised values hash here, using the default framework
1219 # though it is possible to have different authvals for different fws.
1221 my $shelflocations =GetKohaAuthorisedValues('items.location','');
1223 # get notforloan authorised value list (see $shelflocations FIXME)
1224 my $notforloan_authorised_value = GetAuthValCode('items.notforloan','');
1226 #Build itemtype hash
1227 #find itemtype & itemtype image
1231 "SELECT itemtype,description,imageurl,summary,notforloan FROM itemtypes"
1234 while ( my $bdata = $bsth->fetchrow_hashref ) {
1235 foreach (qw(description imageurl summary notforloan)) {
1236 $itemtypes{ $bdata->{'itemtype'} }->{$_} = $bdata->{$_};
1240 #search item field code
1243 "SELECT tagfield FROM marc_subfield_structure WHERE kohafield LIKE 'items.itemnumber'"
1246 my ($itemtag) = $sth->fetchrow;
1248 ## find column names of items related to MARC
1249 my $sth2 = $dbh->prepare("SHOW COLUMNS FROM items");
1251 my %subfieldstosearch;
1252 while ( ( my $column ) = $sth2->fetchrow ) {
1253 my ( $tagfield, $tagsubfield ) =
1254 &GetMarcFromKohaField( "items." . $column, "" );
1255 $subfieldstosearch{$column} = $tagsubfield;
1258 # handle which records to actually retrieve
1260 if ( $hits && $offset + $results_per_page <= $hits ) {
1261 $times = $offset + $results_per_page;
1264 $times = $hits; # FIXME: if $hits is undefined, why do we want to equal it?
1267 my $marcflavour = C4::Context->preference("marcflavour");
1268 # loop through all of the records we've retrieved
1269 for ( my $i = $offset ; $i <= $times - 1 ; $i++ ) {
1270 my $marcrecord = MARC::File::USMARC::decode( $marcresults[$i] );
1271 my $oldbiblio = TransformMarcToKoha( $dbh, $marcrecord, '' );
1272 $oldbiblio->{subtitle} = C4::Biblio::get_koha_field_from_marc('bibliosubtitle', 'subtitle', $marcrecord, '');
1273 $oldbiblio->{result_number} = $i + 1;
1275 # add imageurl to itemtype if there is one
1276 $oldbiblio->{imageurl} = getitemtypeimagelocation( 'opac', $itemtypes{ $oldbiblio->{itemtype} }->{imageurl} );
1278 $oldbiblio->{'authorised_value_images'} = C4::Items::get_authorised_value_images( C4::Biblio::get_biblio_authorised_values( $oldbiblio->{'biblionumber'}, $marcrecord ) );
1279 $oldbiblio->{normalized_upc} = GetNormalizedUPC($marcrecord,$marcflavour);
1280 $oldbiblio->{normalized_ean} = GetNormalizedEAN($marcrecord,$marcflavour);
1281 $oldbiblio->{normalized_oclc} = GetNormalizedOCLCNumber($marcrecord,$marcflavour);
1282 $oldbiblio->{normalized_isbn} = GetNormalizedISBN(undef,$marcrecord,$marcflavour);
1283 $oldbiblio->{content_identifier_exists} = 1 if ($oldbiblio->{normalized_isbn} or $oldbiblio->{normalized_oclc} or $oldbiblio->{normalized_ean} or $oldbiblio->{normalized_upc});
1284 $oldbiblio->{description} = $itemtypes{ $oldbiblio->{itemtype} }->{description};
1285 # Build summary if there is one (the summary is defined in the itemtypes table)
1286 # FIXME: is this used anywhere, I think it can be commented out? -- JF
1287 if ( $itemtypes{ $oldbiblio->{itemtype} }->{summary} ) {
1288 my $summary = $itemtypes{ $oldbiblio->{itemtype} }->{summary};
1289 my @fields = $marcrecord->fields();
1290 foreach my $field (@fields) {
1291 my $tag = $field->tag();
1292 my $tagvalue = $field->as_string();
1294 s/\[(.?.?.?.?)$tag\*(.*?)]/$1$tagvalue$2\[$1$tag$2]/g;
1295 unless ( $tag < 10 ) {
1296 my @subf = $field->subfields;
1297 for my $i ( 0 .. $#subf ) {
1298 my $subfieldcode = $subf[$i][0];
1299 my $subfieldvalue = $subf[$i][1];
1300 my $tagsubf = $tag . $subfieldcode;
1302 s/\[(.?.?.?.?)$tagsubf(.*?)]/$1$subfieldvalue$2\[$1$tagsubf$2]/g;
1307 $summary =~ s/\[(.*?)]//g;
1308 $summary =~ s/\n/<br\/>/g;
1309 $oldbiblio->{summary} = $summary;
1312 # save an author with no <span> tag, for the <a href=search.pl?q=<!--tmpl_var name="author"-->> link
1313 $oldbiblio->{'author_nospan'} = $oldbiblio->{'author'};
1314 $oldbiblio->{'title_nospan'} = $oldbiblio->{'title'};
1315 $oldbiblio->{'subtitle_nospan'} = $oldbiblio->{'subtitle'};
1316 # Add search-term highlighting to the whole record where they match using <span>s
1317 if (C4::Context->preference("OpacHighlightedWords")){
1318 my $searchhighlightblob;
1319 for my $highlight_field ( $marcrecord->fields ) {
1321 # FIXME: need to skip title, subtitle, author, etc., as they are handled below
1322 next if $highlight_field->tag() =~ /(^00)/; # skip fixed fields
1323 for my $subfield ($highlight_field->subfields()) {
1325 next if $subfield->[0] eq '9';
1326 my $field = $subfield->[1];
1327 for my $term ( keys %$span_terms_hashref ) {
1328 if ( ( $field =~ /$term/i ) && (( length($term) > 3 ) || ($field =~ / $term /i)) ) {
1329 $field =~ s/$term/<span class=\"term\">$&<\/span>/gi;
1333 $searchhighlightblob .= $field . " ... " if $match;
1337 $searchhighlightblob = ' ... '.$searchhighlightblob if $searchhighlightblob;
1338 $oldbiblio->{'searchhighlightblob'} = $searchhighlightblob;
1341 # Add search-term highlighting to the title, subtitle, etc. fields
1342 for my $term ( keys %$span_terms_hashref ) {
1343 my $old_term = $term;
1344 if ( length($term) > 3 ) {
1345 $term =~ s/(.*=|\)|\(|\+|\.|\?|\[|\]|\\|\*)//g;
1346 foreach(qw(title subtitle author publishercode place pages notes size)) {
1347 $oldbiblio->{$_} =~ s/$term/<span class=\"term\">$&<\/span>/gi;
1352 ($i % 2) and $oldbiblio->{'toggle'} = 1;
1354 # Pull out the items fields
1355 my @fields = $marcrecord->field($itemtag);
1357 # Setting item statuses for display
1358 my @available_items_loop;
1359 my @onloan_items_loop;
1360 my @other_items_loop;
1362 my $available_items;
1366 my $ordered_count = 0;
1367 my $available_count = 0;
1368 my $onloan_count = 0;
1369 my $longoverdue_count = 0;
1370 my $other_count = 0;
1371 my $wthdrawn_count = 0;
1372 my $itemlost_count = 0;
1373 my $itembinding_count = 0;
1374 my $itemdamaged_count = 0;
1375 my $item_in_transit_count = 0;
1376 my $can_place_holds = 0;
1377 my $items_count = scalar(@fields);
1379 ( C4::Context->preference('maxItemsinSearchResults') )
1380 ? C4::Context->preference('maxItemsinSearchResults') - 1
1383 # loop through every item
1384 foreach my $field (@fields) {
1387 # populate the items hash
1388 foreach my $code ( keys %subfieldstosearch ) {
1389 $item->{$code} = $field->subfield( $subfieldstosearch{$code} );
1391 my $hbranch = C4::Context->preference('HomeOrHoldingBranch') eq 'homebranch' ? 'homebranch' : 'holdingbranch';
1392 my $otherbranch = C4::Context->preference('HomeOrHoldingBranch') eq 'homebranch' ? 'holdingbranch' : 'homebranch';
1393 # set item's branch name, use HomeOrHoldingBranch syspref first, fall back to the other one
1394 if ($item->{$hbranch}) {
1395 $item->{'branchname'} = $branches{$item->{$hbranch}};
1397 elsif ($item->{$otherbranch}) { # Last resort
1398 $item->{'branchname'} = $branches{$item->{$otherbranch}};
1401 my $prefix = $item->{$hbranch} . '--' . $item->{location} . $item->{itype} . $item->{itemcallnumber};
1402 # For each grouping of items (onloan, available, unavailable), we build a key to store relevant info about that item
1403 if ( $item->{onloan} ) {
1405 my $key = $prefix . $item->{due_date};
1406 $onloan_items->{$key}->{due_date} = format_date($item->{onloan});
1407 $onloan_items->{$key}->{count}++ if $item->{$hbranch};
1408 $onloan_items->{$key}->{branchname} = $item->{branchname};
1409 $onloan_items->{$key}->{location} = $shelflocations->{ $item->{location} };
1410 $onloan_items->{$key}->{itemcallnumber} = $item->{itemcallnumber};
1411 $onloan_items->{$key}->{imageurl} = getitemtypeimagelocation( 'opac', $itemtypes{ $item->{itype} }->{imageurl} );
1412 # if something's checked out and lost, mark it as 'long overdue'
1413 if ( $item->{itemlost} ) {
1414 $onloan_items->{$prefix}->{longoverdue}++;
1415 $longoverdue_count++;
1416 } else { # can place holds as long as item isn't lost
1417 $can_place_holds = 1;
1421 # items not on loan, but still unavailable ( lost, withdrawn, damaged )
1425 if ( $item->{notforloan} == -1 ) {
1429 # is item in transit?
1430 my $transfertwhen = '';
1431 my ($transfertfrom, $transfertto);
1433 unless ($item->{wthdrawn}
1434 || $item->{itemlost}
1436 || $item->{notforloan}
1437 || $items_count > 20) {
1439 # A couple heuristics to limit how many times
1440 # we query the database for item transfer information, sacrificing
1441 # accuracy in some cases for speed;
1443 # 1. don't query if item has one of the other statuses
1444 # 2. don't check transit status if the bib has
1445 # more than 20 items
1447 # FIXME: to avoid having the query the database like this, and to make
1448 # the in transit status count as unavailable for search limiting,
1449 # should map transit status to record indexed in Zebra.
1451 ($transfertwhen, $transfertfrom, $transfertto) = C4::Circulation::GetTransfers($item->{itemnumber});
1454 # item is withdrawn, lost or damaged
1455 if ( $item->{wthdrawn}
1456 || $item->{itemlost}
1458 || $item->{notforloan}
1459 || ($transfertwhen ne ''))
1461 $wthdrawn_count++ if $item->{wthdrawn};
1462 $itemlost_count++ if $item->{itemlost};
1463 $itemdamaged_count++ if $item->{damaged};
1464 $item_in_transit_count++ if $transfertwhen ne '';
1465 $item->{status} = $item->{wthdrawn} . "-" . $item->{itemlost} . "-" . $item->{damaged} . "-" . $item->{notforloan};
1468 my $key = $prefix . $item->{status};
1469 foreach (qw(wthdrawn itemlost damaged branchname itemcallnumber)) {
1470 $other_items->{$key}->{$_} = $item->{$_};
1472 $other_items->{$key}->{intransit} = ($transfertwhen ne '') ? 1 : 0;
1473 $other_items->{$key}->{notforloan} = GetAuthorisedValueDesc('','',$item->{notforloan},'','',$notforloan_authorised_value) if $notforloan_authorised_value;
1474 $other_items->{$key}->{count}++ if $item->{$hbranch};
1475 $other_items->{$key}->{location} = $shelflocations->{ $item->{location} };
1476 $other_items->{$key}->{imageurl} = getitemtypeimagelocation( 'opac', $itemtypes{ $item->{itype} }->{imageurl} );
1480 $can_place_holds = 1;
1482 $available_items->{$prefix}->{count}++ if $item->{$hbranch};
1483 foreach (qw(branchname itemcallnumber)) {
1484 $available_items->{$prefix}->{$_} = $item->{$_};
1486 $available_items->{$prefix}->{location} = $shelflocations->{ $item->{location} };
1487 $available_items->{$prefix}->{imageurl} = getitemtypeimagelocation( 'opac', $itemtypes{ $item->{itype} }->{imageurl} );
1490 } # notforloan, item level and biblioitem level
1491 my ( $availableitemscount, $onloanitemscount, $otheritemscount );
1493 ( C4::Context->preference('maxItemsinSearchResults') )
1494 ? C4::Context->preference('maxItemsinSearchResults') - 1
1496 for my $key ( sort keys %$onloan_items ) {
1497 (++$onloanitemscount > $maxitems) and last;
1498 push @onloan_items_loop, $onloan_items->{$key};
1500 for my $key ( sort keys %$other_items ) {
1501 (++$otheritemscount > $maxitems) and last;
1502 push @other_items_loop, $other_items->{$key};
1504 for my $key ( sort keys %$available_items ) {
1505 (++$availableitemscount > $maxitems) and last;
1506 push @available_items_loop, $available_items->{$key}
1509 # XSLT processing of some stuff
1510 if (C4::Context->preference("XSLTResultsDisplay") && !$scan) {
1511 my $newxmlrecord = XSLTParse4Display($oldbiblio->{biblionumber}, $marcrecord, C4::Context->config('opachtdocs')."/prog/en/xslt/MARC21slim2OPACResults.xsl");
1512 $oldbiblio->{XSLTResultsRecord} = $newxmlrecord;
1515 # last check for norequest : if itemtype is notforloan, it can't be reserved either, whatever the items
1516 $can_place_holds = 0
1517 if $itemtypes{ $oldbiblio->{itemtype} }->{notforloan};
1518 $oldbiblio->{norequests} = 1 unless $can_place_holds;
1519 $oldbiblio->{itemsplural} = 1 if $items_count > 1;
1520 $oldbiblio->{items_count} = $items_count;
1521 $oldbiblio->{available_items_loop} = \@available_items_loop;
1522 $oldbiblio->{onloan_items_loop} = \@onloan_items_loop;
1523 $oldbiblio->{other_items_loop} = \@other_items_loop;
1524 $oldbiblio->{availablecount} = $available_count;
1525 $oldbiblio->{availableplural} = 1 if $available_count > 1;
1526 $oldbiblio->{onloancount} = $onloan_count;
1527 $oldbiblio->{onloanplural} = 1 if $onloan_count > 1;
1528 $oldbiblio->{othercount} = $other_count;
1529 $oldbiblio->{otherplural} = 1 if $other_count > 1;
1530 $oldbiblio->{wthdrawncount} = $wthdrawn_count;
1531 $oldbiblio->{itemlostcount} = $itemlost_count;
1532 $oldbiblio->{damagedcount} = $itemdamaged_count;
1533 $oldbiblio->{intransitcount} = $item_in_transit_count;
1534 $oldbiblio->{orderedcount} = $ordered_count;
1535 push( @newresults, $oldbiblio );
1540 #----------------------------------------------------------------------
1542 # Non-Zebra GetRecords#
1543 #----------------------------------------------------------------------
1547 NZgetRecords has the same API as zera getRecords, even if some parameters are not managed
1553 $query, $simple_query, $sort_by_ref, $servers_ref,
1554 $results_per_page, $offset, $expanded_facet, $branches,
1557 warn "query =$query" if $DEBUG;
1558 my $result = NZanalyse($query);
1559 warn "results =$result" if $DEBUG;
1561 NZorder( $result, @$sort_by_ref[0], $results_per_page, $offset ),
1567 NZanalyse : get a CQL string as parameter, and returns a list of biblionumber;title,biblionumber;title,...
1568 the list is built from an inverted index in the nozebra SQL table
1569 note that title is here only for convenience : the sorting will be very fast when requested on title
1570 if the sorting is requested on something else, we will have to reread all results, and that may be longer.
1575 my ( $string, $server ) = @_;
1576 # warn "---------" if $DEBUG;
1577 warn " NZanalyse" if $DEBUG;
1578 # warn "---------" if $DEBUG;
1580 # $server contains biblioserver or authorities, depending on what we search on.
1581 #warn "querying : $string on $server";
1582 $server = 'biblioserver' unless $server;
1584 # if we have a ", replace the content to discard temporarily any and/or/not inside
1586 if ( $string =~ /"/ ) {
1587 $string =~ s/"(.*?)"/__X__/;
1589 warn "commacontent : $commacontent" if $DEBUG;
1592 # split the query string in 3 parts : X AND Y means : $left="X", $operand="AND" and $right="Y"
1593 # then, call again NZanalyse with $left and $right
1594 # (recursive until we find a leaf (=> something without and/or/not)
1595 # delete repeated operator... Would then go in infinite loop
1596 while ( $string =~ s/( and| or| not| AND| OR| NOT)\1/$1/g ) {
1599 #process parenthesis before.
1600 if ( $string =~ /^\s*\((.*)\)(( and | or | not | AND | OR | NOT )(.*))?/ ) {
1603 my $operator = lc($3); # FIXME: and/or/not are operators, not operands
1605 "dealing w/parenthesis before recursive sub call. left :$left operator:$operator right:$right"
1607 my $leftresult = NZanalyse( $left, $server );
1609 my $rightresult = NZanalyse( $right, $server );
1611 # OK, we have the results for right and left part of the query
1612 # depending of operand, intersect, union or exclude both lists
1613 # to get a result list
1614 if ( $operator eq ' and ' ) {
1615 return NZoperatorAND($leftresult,$rightresult);
1617 elsif ( $operator eq ' or ' ) {
1619 # just merge the 2 strings
1620 return $leftresult . $rightresult;
1622 elsif ( $operator eq ' not ' ) {
1623 return NZoperatorNOT($leftresult,$rightresult);
1627 # this error is impossible, because of the regexp that isolate the operand, but just in case...
1631 warn "string :" . $string if $DEBUG;
1635 if ($string =~ /(.*?)( and | or | not | AND | OR | NOT )(.*)/) {
1638 $operator = lc($2); # FIXME: and/or/not are operators, not operands
1640 warn "no parenthesis. left : $left operator: $operator right: $right"
1643 # it's not a leaf, we have a and/or/not
1646 # reintroduce comma content if needed
1647 $right =~ s/__X__/"$commacontent"/ if $commacontent;
1648 $left =~ s/__X__/"$commacontent"/ if $commacontent;
1649 warn "node : $left / $operator / $right\n" if $DEBUG;
1650 my $leftresult = NZanalyse( $left, $server );
1651 my $rightresult = NZanalyse( $right, $server );
1652 warn " leftresult : $leftresult" if $DEBUG;
1653 warn " rightresult : $rightresult" if $DEBUG;
1654 # OK, we have the results for right and left part of the query
1655 # depending of operand, intersect, union or exclude both lists
1656 # to get a result list
1657 if ( $operator eq ' and ' ) {
1659 return NZoperatorAND($leftresult,$rightresult);
1661 elsif ( $operator eq ' or ' ) {
1663 # just merge the 2 strings
1664 return $leftresult . $rightresult;
1666 elsif ( $operator eq ' not ' ) {
1667 return NZoperatorNOT($leftresult,$rightresult);
1671 # this error is impossible, because of the regexp that isolate the operand, but just in case...
1672 die "error : operand unknown : $operator for $string";
1675 # it's a leaf, do the real SQL query and return the result
1678 $string =~ s/__X__/"$commacontent"/ if $commacontent;
1679 $string =~ s/-|\.|\?|,|;|!|'|\(|\)|\[|\]|{|}|"|&|\+|\*|\// /g;
1680 #remove trailing blank at the beginning
1682 warn "leaf:$string" if $DEBUG;
1684 # parse the string in in operator/operand/value again
1688 if ($string =~ /(.*)(>=|<=)(.*)/) {
1695 # warn "handling leaf... left:$left operator:$operator right:$right"
1697 unless ($operator) {
1698 if ($string =~ /(.*)(>|<|=)(.*)/) {
1703 "handling unless (operator)... left:$left operator:$operator right:$right"
1711 # strip adv, zebra keywords, currently not handled in nozebra: wrdl, ext, phr...
1714 # automatic replace for short operators
1715 $left = 'title' if $left =~ '^ti$';
1716 $left = 'author' if $left =~ '^au$';
1717 $left = 'publisher' if $left =~ '^pb$';
1718 $left = 'subject' if $left =~ '^su$';
1719 $left = 'koha-Auth-Number' if $left =~ '^an$';
1720 $left = 'keyword' if $left =~ '^kw$';
1721 warn "handling leaf... left:$left operator:$operator right:$right" if $DEBUG;
1722 if ( $operator && $left ne 'keyword' ) {
1724 #do a specific search
1725 my $dbh = C4::Context->dbh;
1726 $operator = 'LIKE' if $operator eq '=' and $right =~ /%/;
1729 "SELECT biblionumbers,value FROM nozebra WHERE server=? AND indexname=? AND value $operator ?"
1731 warn "$left / $operator / $right\n" if $DEBUG;
1733 # split each word, query the DB and build the biblionumbers result
1734 #sanitizing leftpart
1735 $left =~ s/^\s+|\s+$//;
1736 foreach ( split / /, $right ) {
1738 $_ =~ s/^\s+|\s+$//;
1740 warn "EXECUTE : $server, $left, $_" if $DEBUG;
1741 $sth->execute( $server, $left, $_ )
1742 or warn "execute failed: $!";
1743 while ( my ( $line, $value ) = $sth->fetchrow ) {
1745 # if we are dealing with a numeric value, use only numeric results (in case of >=, <=, > or <)
1746 # otherwise, fill the result
1747 $biblionumbers .= $line
1748 unless ( $right =~ /^\d+$/ && $value =~ /\D/ );
1749 warn "result : $value "
1750 . ( $right =~ /\d/ ) . "=="
1751 . ( $value =~ /\D/?$line:"" ) if $DEBUG; #= $line";
1754 # do a AND with existing list if there is one, otherwise, use the biblionumbers list as 1st result list
1756 warn "NZAND" if $DEBUG;
1757 $results = NZoperatorAND($biblionumbers,$results);
1760 $results = $biblionumbers;
1766 #do a complete search (all indexes), if index='kw' do complete search too.
1767 my $dbh = C4::Context->dbh;
1770 "SELECT biblionumbers FROM nozebra WHERE server=? AND value LIKE ?"
1773 # split each word, query the DB and build the biblionumbers result
1774 foreach ( split / /, $string ) {
1775 next if C4::Context->stopwords->{ uc($_) }; # skip if stopword
1776 warn "search on all indexes on $_" if $DEBUG;
1779 $sth->execute( $server, $_ );
1780 while ( my $line = $sth->fetchrow ) {
1781 $biblionumbers .= $line;
1784 # do a AND with existing list if there is one, otherwise, use the biblionumbers list as 1st result list
1786 $results = NZoperatorAND($biblionumbers,$results);
1789 warn "NEW RES for $_ = $biblionumbers" if $DEBUG;
1790 $results = $biblionumbers;
1794 warn "return : $results for LEAF : $string" if $DEBUG;
1797 warn "---------\nLeave NZanalyse\n---------" if $DEBUG;
1801 my ($rightresult, $leftresult)=@_;
1803 my @leftresult = split /;/, $leftresult;
1804 warn " @leftresult / $rightresult \n" if $DEBUG;
1806 # my @rightresult = split /;/,$leftresult;
1809 # parse the left results, and if the biblionumber exist in the right result, save it in finalresult
1810 # the result is stored twice, to have the same weight for AND than OR.
1811 # example : TWO : 61,61,64,121 (two is twice in the biblio #61) / TOWER : 61,64,130
1812 # result : 61,61,61,61,64,64 for two AND tower : 61 has more weight than 64
1813 foreach (@leftresult) {
1816 ( $value, $countvalue ) = ( $1, $2 ) if ($value=~/(.*)-(\d+)$/);
1817 if ( $rightresult =~ /\Q$value\E-(\d+);/ ) {
1818 $countvalue = ( $1 > $countvalue ? $countvalue : $1 );
1820 "$value-$countvalue;$value-$countvalue;";
1823 warn "NZAND DONE : $finalresult \n" if $DEBUG;
1824 return $finalresult;
1828 my ($rightresult, $leftresult)=@_;
1829 return $rightresult.$leftresult;
1833 my ($leftresult, $rightresult)=@_;
1835 my @leftresult = split /;/, $leftresult;
1837 # my @rightresult = split /;/,$leftresult;
1839 foreach (@leftresult) {
1841 $value=$1 if $value=~m/(.*)-\d+$/;
1842 unless ($rightresult =~ "$value-") {
1843 $finalresult .= "$_;";
1846 return $finalresult;
1851 $finalresult = NZorder($biblionumbers, $ordering,$results_per_page,$offset);
1858 my ( $biblionumbers, $ordering, $results_per_page, $offset ) = @_;
1859 warn "biblionumbers = $biblionumbers and ordering = $ordering\n" if $DEBUG;
1861 # order title asc by default
1862 # $ordering = '1=36 <i' unless $ordering;
1863 $results_per_page = 20 unless $results_per_page;
1864 $offset = 0 unless $offset;
1865 my $dbh = C4::Context->dbh;
1868 # order by POPULARITY
1870 if ( $ordering =~ /popularity/ ) {
1874 # popularity is not in MARC record, it's builded from a specific query
1876 $dbh->prepare("select sum(issues) from items where biblionumber=?");
1877 foreach ( split /;/, $biblionumbers ) {
1878 my ( $biblionumber, $title ) = split /,/, $_;
1879 $result{$biblionumber} = GetMarcBiblio($biblionumber);
1880 $sth->execute($biblionumber);
1881 my $popularity = $sth->fetchrow || 0;
1883 # hint : the key is popularity.title because we can have
1884 # many results with the same popularity. In this cas, sub-ordering is done by title
1885 # we also have biblionumber to avoid bug for 2 biblios with the same title & popularity
1886 # (un-frequent, I agree, but we won't forget anything that way ;-)
1887 $popularity{ sprintf( "%10d", $popularity ) . $title
1888 . $biblionumber } = $biblionumber;
1891 # sort the hash and return the same structure as GetRecords (Zebra querying)
1894 if ( $ordering eq 'popularity_dsc' ) { # sort popularity DESC
1895 foreach my $key ( sort { $b cmp $a } ( keys %popularity ) ) {
1896 $result_hash->{'RECORDS'}[ $numbers++ ] =
1897 $result{ $popularity{$key} }->as_usmarc();
1900 else { # sort popularity ASC
1901 foreach my $key ( sort ( keys %popularity ) ) {
1902 $result_hash->{'RECORDS'}[ $numbers++ ] =
1903 $result{ $popularity{$key} }->as_usmarc();
1906 my $finalresult = ();
1907 $result_hash->{'hits'} = $numbers;
1908 $finalresult->{'biblioserver'} = $result_hash;
1909 return $finalresult;
1915 elsif ( $ordering =~ /author/ ) {
1917 foreach ( split /;/, $biblionumbers ) {
1918 my ( $biblionumber, $title ) = split /,/, $_;
1919 my $record = GetMarcBiblio($biblionumber);
1921 if ( C4::Context->preference('marcflavour') eq 'UNIMARC' ) {
1922 $author = $record->subfield( '200', 'f' );
1923 $author = $record->subfield( '700', 'a' ) unless $author;
1926 $author = $record->subfield( '100', 'a' );
1929 # hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
1930 # and we don't want to get only 1 result for each of them !!!
1931 $result{ $author . $biblionumber } = $record;
1934 # sort the hash and return the same structure as GetRecords (Zebra querying)
1937 if ( $ordering eq 'author_za' ) { # sort by author desc
1938 foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
1939 $result_hash->{'RECORDS'}[ $numbers++ ] =
1940 $result{$key}->as_usmarc();
1943 else { # sort by author ASC
1944 foreach my $key ( sort ( keys %result ) ) {
1945 $result_hash->{'RECORDS'}[ $numbers++ ] =
1946 $result{$key}->as_usmarc();
1949 my $finalresult = ();
1950 $result_hash->{'hits'} = $numbers;
1951 $finalresult->{'biblioserver'} = $result_hash;
1952 return $finalresult;
1955 # ORDER BY callnumber
1958 elsif ( $ordering =~ /callnumber/ ) {
1960 foreach ( split /;/, $biblionumbers ) {
1961 my ( $biblionumber, $title ) = split /,/, $_;
1962 my $record = GetMarcBiblio($biblionumber);
1964 my $frameworkcode = GetFrameworkCode($biblionumber);
1965 my ( $callnumber_tag, $callnumber_subfield ) = GetMarcFromKohaField( 'items.itemcallnumber', $frameworkcode);
1966 ( $callnumber_tag, $callnumber_subfield ) = GetMarcFromKohaField('biblioitems.callnumber', $frameworkcode)
1967 unless $callnumber_tag;
1968 if ( C4::Context->preference('marcflavour') eq 'UNIMARC' ) {
1969 $callnumber = $record->subfield( '200', 'f' );
1971 $callnumber = $record->subfield( '100', 'a' );
1974 # hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
1975 # and we don't want to get only 1 result for each of them !!!
1976 $result{ $callnumber . $biblionumber } = $record;
1979 # sort the hash and return the same structure as GetRecords (Zebra querying)
1982 if ( $ordering eq 'call_number_dsc' ) { # sort by title desc
1983 foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
1984 $result_hash->{'RECORDS'}[ $numbers++ ] =
1985 $result{$key}->as_usmarc();
1988 else { # sort by title ASC
1989 foreach my $key ( sort { $a cmp $b } ( keys %result ) ) {
1990 $result_hash->{'RECORDS'}[ $numbers++ ] =
1991 $result{$key}->as_usmarc();
1994 my $finalresult = ();
1995 $result_hash->{'hits'} = $numbers;
1996 $finalresult->{'biblioserver'} = $result_hash;
1997 return $finalresult;
1999 elsif ( $ordering =~ /pubdate/ ) { #pub year
2001 foreach ( split /;/, $biblionumbers ) {
2002 my ( $biblionumber, $title ) = split /,/, $_;
2003 my $record = GetMarcBiblio($biblionumber);
2004 my ( $publicationyear_tag, $publicationyear_subfield ) =
2005 GetMarcFromKohaField( 'biblioitems.publicationyear', '' );
2006 my $publicationyear =
2007 $record->subfield( $publicationyear_tag,
2008 $publicationyear_subfield );
2010 # hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
2011 # and we don't want to get only 1 result for each of them !!!
2012 $result{ $publicationyear . $biblionumber } = $record;
2015 # sort the hash and return the same structure as GetRecords (Zebra querying)
2018 if ( $ordering eq 'pubdate_dsc' ) { # sort by pubyear desc
2019 foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
2020 $result_hash->{'RECORDS'}[ $numbers++ ] =
2021 $result{$key}->as_usmarc();
2024 else { # sort by pub year ASC
2025 foreach my $key ( sort ( keys %result ) ) {
2026 $result_hash->{'RECORDS'}[ $numbers++ ] =
2027 $result{$key}->as_usmarc();
2030 my $finalresult = ();
2031 $result_hash->{'hits'} = $numbers;
2032 $finalresult->{'biblioserver'} = $result_hash;
2033 return $finalresult;
2039 elsif ( $ordering =~ /title/ ) {
2041 # the title is in the biblionumbers string, so we just need to build a hash, sort it and return
2043 foreach ( split /;/, $biblionumbers ) {
2044 my ( $biblionumber, $title ) = split /,/, $_;
2046 # hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
2047 # and we don't want to get only 1 result for each of them !!!
2048 # hint & speed improvement : we can order without reading the record
2049 # so order, and read records only for the requested page !
2050 $result{ $title . $biblionumber } = $biblionumber;
2053 # sort the hash and return the same structure as GetRecords (Zebra querying)
2056 if ( $ordering eq 'title_az' ) { # sort by title desc
2057 foreach my $key ( sort ( keys %result ) ) {
2058 $result_hash->{'RECORDS'}[ $numbers++ ] = $result{$key};
2061 else { # sort by title ASC
2062 foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
2063 $result_hash->{'RECORDS'}[ $numbers++ ] = $result{$key};
2067 # limit the $results_per_page to result size if it's more
2068 $results_per_page = $numbers - 1 if $numbers < $results_per_page;
2070 # for the requested page, replace biblionumber by the complete record
2071 # speed improvement : avoid reading too much things
2073 my $counter = $offset ;
2074 $counter <= $offset + $results_per_page ;
2078 $result_hash->{'RECORDS'}[$counter] =
2079 GetMarcBiblio( $result_hash->{'RECORDS'}[$counter] )->as_usmarc;
2081 my $finalresult = ();
2082 $result_hash->{'hits'} = $numbers;
2083 $finalresult->{'biblioserver'} = $result_hash;
2084 return $finalresult;
2091 # we need 2 hashes to order by ranking : the 1st one to count the ranking, the 2nd to order by ranking
2094 foreach ( split /;/, $biblionumbers ) {
2095 my ( $biblionumber, $title ) = split /,/, $_;
2096 $title =~ /(.*)-(\d)/;
2101 # note that we + the ranking because ranking is calculated on weight of EACH term requested.
2102 # if we ask for "two towers", and "two" has weight 2 in biblio N, and "towers" has weight 4 in biblio N
2103 # biblio N has ranking = 6
2104 $count_ranking{$biblionumber} += $ranking;
2107 # build the result by "inverting" the count_ranking hash
2108 # hing : as usual, we don't order by ranking only, to avoid having only 1 result for each rank. We build an hash on concat(ranking,biblionumber) instead
2110 foreach ( keys %count_ranking ) {
2111 $result{ sprintf( "%10d", $count_ranking{$_} ) . '-' . $_ } = $_;
2114 # sort the hash and return the same structure as GetRecords (Zebra querying)
2117 foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
2118 $result_hash->{'RECORDS'}[ $numbers++ ] = $result{$key};
2121 # limit the $results_per_page to result size if it's more
2122 $results_per_page = $numbers - 1 if $numbers < $results_per_page;
2124 # for the requested page, replace biblionumber by the complete record
2125 # speed improvement : avoid reading too much things
2127 my $counter = $offset ;
2128 $counter <= $offset + $results_per_page ;
2132 $result_hash->{'RECORDS'}[$counter] =
2133 GetMarcBiblio( $result_hash->{'RECORDS'}[$counter] )->as_usmarc
2134 if $result_hash->{'RECORDS'}[$counter];
2136 my $finalresult = ();
2137 $result_hash->{'hits'} = $numbers;
2138 $finalresult->{'biblioserver'} = $result_hash;
2139 return $finalresult;
2143 END { } # module clean-up code here (global destructor)
2150 Koha Developement team <info@koha.org>