2257 lines
84 KiB
Perl
2257 lines
84 KiB
Perl
package C4::Search;
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
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# Suite 330, Boston, MA 02111-1307 USA
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use strict;
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require Exporter;
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use C4::Context;
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use C4::Biblio; # GetMarcFromKohaField
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use C4::Koha; # getFacets
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use Lingua::Stem;
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use C4::Search::PazPar2;
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use XML::Simple;
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use C4::Dates qw(format_date);
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use C4::XSLT;
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use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $DEBUG);
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# set the version for version checking
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BEGIN {
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$VERSION = 3.01;
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$DEBUG = ($ENV{DEBUG}) ? 1 : 0;
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}
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=head1 NAME
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C4::Search - Functions for searching the Koha catalog.
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=head1 SYNOPSIS
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See opac/opac-search.pl or catalogue/search.pl for example of usage
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=head1 DESCRIPTION
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This module provides searching functions for Koha's bibliographic databases
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=head1 FUNCTIONS
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=cut
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@ISA = qw(Exporter);
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@EXPORT = qw(
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&findseealso
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&FindDuplicate
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&SimpleSearch
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&searchResults
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&getRecords
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&buildQuery
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&NZgetRecords
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&ModBiblios
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);
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# make all your functions, whether exported or not;
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=head2 findseealso($dbh,$fields);
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C<$dbh> is a link to the DB handler.
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use C4::Context;
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my $dbh =C4::Context->dbh;
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C<$fields> is a reference to the fields array
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This function modifies the @$fields array and adds related fields to search on.
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FIXME: this function is probably deprecated in Koha 3
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=cut
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sub findseealso {
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my ( $dbh, $fields ) = @_;
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my $tagslib = GetMarcStructure(1);
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for ( my $i = 0 ; $i <= $#{$fields} ; $i++ ) {
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my ($tag) = substr( @$fields[$i], 1, 3 );
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my ($subfield) = substr( @$fields[$i], 4, 1 );
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@$fields[$i] .= ',' . $tagslib->{$tag}->{$subfield}->{seealso}
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if ( $tagslib->{$tag}->{$subfield}->{seealso} );
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}
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}
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=head2 FindDuplicate
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($biblionumber,$biblionumber,$title) = FindDuplicate($record);
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This function attempts to find duplicate records using a hard-coded, fairly simplistic algorithm
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=cut
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sub FindDuplicate {
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my ($record) = @_;
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my $dbh = C4::Context->dbh;
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my $result = TransformMarcToKoha( $dbh, $record, '' );
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my $sth;
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my $query;
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my $search;
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my $type;
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my ( $biblionumber, $title );
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# search duplicate on ISBN, easy and fast..
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# ... normalize first
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if ( $result->{isbn} ) {
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$result->{isbn} =~ s/\(.*$//;
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$result->{isbn} =~ s/\s+$//;
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$query = "isbn=$result->{isbn}";
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}
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else {
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$result->{title} =~ s /\\//g;
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$result->{title} =~ s /\"//g;
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$result->{title} =~ s /\(//g;
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$result->{title} =~ s /\)//g;
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# FIXME: instead of removing operators, could just do
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# quotes around the value
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$result->{title} =~ s/(and|or|not)//g;
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$query = "ti,ext=$result->{title}";
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$query .= " and itemtype=$result->{itemtype}"
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if ( $result->{itemtype} );
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if ( $result->{author} ) {
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$result->{author} =~ s /\\//g;
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$result->{author} =~ s /\"//g;
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$result->{author} =~ s /\(//g;
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$result->{author} =~ s /\)//g;
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# remove valid operators
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$result->{author} =~ s/(and|or|not)//g;
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$query .= " and au,ext=$result->{author}";
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}
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}
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# FIXME: add error handling
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my ( $error, $searchresults ) = SimpleSearch($query); # FIXME :: hardcoded !
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my @results;
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foreach my $possible_duplicate_record (@$searchresults) {
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my $marcrecord =
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MARC::Record->new_from_usmarc($possible_duplicate_record);
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my $result = TransformMarcToKoha( $dbh, $marcrecord, '' );
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# FIXME :: why 2 $biblionumber ?
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if ($result) {
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push @results, $result->{'biblionumber'};
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push @results, $result->{'title'};
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}
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}
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return @results;
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}
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=head2 SimpleSearch
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($error,$results) = SimpleSearch( $query, $offset, $max_results, [ @servers ] );
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This function provides a simple search API on the bibliographic catalog
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=over 2
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=item C<input arg:>
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* $query can be a simple keyword or a complete CCL query
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* @servers is optional. Defaults to biblioserver as found in koha-conf.xml
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* $offset - If present, represents the number of records at the beggining to omit. Defaults to 0
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* $max_results - if present, determines the maximum number of records to fetch. undef is All. defaults to undef.
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=item C<Output arg:>
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* $error is a empty unless an error is detected
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* \@results is an array of records.
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=item C<usage in the script:>
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=back
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my ($error, $marcresults) = SimpleSearch($query);
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if (defined $error) {
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$template->param(query_error => $error);
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warn "error: ".$error;
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output_html_with_http_headers $input, $cookie, $template->output;
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exit;
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}
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my $hits = scalar @$marcresults;
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my @results;
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for(my $i=0;$i<$hits;$i++) {
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my %resultsloop;
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my $marcrecord = MARC::File::USMARC::decode($marcresults->[$i]);
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my $biblio = TransformMarcToKoha(C4::Context->dbh,$marcrecord,'');
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#build the hash for the template.
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$resultsloop{highlight} = ($i % 2)?(1):(0);
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$resultsloop{title} = $biblio->{'title'};
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$resultsloop{subtitle} = $biblio->{'subtitle'};
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$resultsloop{biblionumber} = $biblio->{'biblionumber'};
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$resultsloop{author} = $biblio->{'author'};
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$resultsloop{publishercode} = $biblio->{'publishercode'};
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$resultsloop{publicationyear} = $biblio->{'publicationyear'};
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push @results, \%resultsloop;
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}
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$template->param(result=>\@results);
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=cut
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sub SimpleSearch {
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my ( $query, $offset, $max_results, $servers ) = @_;
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if ( C4::Context->preference('NoZebra') ) {
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my $result = NZorder( NZanalyse($query) )->{'biblioserver'};
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my $search_result =
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( $result->{hits}
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&& $result->{hits} > 0 ? $result->{'RECORDS'} : [] );
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return ( undef, $search_result );
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}
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else {
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# FIXME hardcoded value. See catalog/search.pl & opac-search.pl too.
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my @servers = defined ( $servers ) ? @$servers : ( "biblioserver" );
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my @results;
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my @tmpresults;
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my @zconns;
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return ( "No query entered", undef ) unless $query;
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# Initialize & Search Zebra
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for ( my $i = 0 ; $i < @servers ; $i++ ) {
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eval {
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$zconns[$i] = C4::Context->Zconn( $servers[$i], 1 );
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$tmpresults[$i] =
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$zconns[$i]
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->search( new ZOOM::Query::CCL2RPN( $query, $zconns[$i] ) );
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# error handling
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my $error =
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$zconns[$i]->errmsg() . " ("
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. $zconns[$i]->errcode() . ") "
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. $zconns[$i]->addinfo() . " "
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. $zconns[$i]->diagset();
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return ( $error, undef ) if $zconns[$i]->errcode();
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};
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if ($@) {
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# caught a ZOOM::Exception
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my $error =
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$@->message() . " ("
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. $@->code() . ") "
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. $@->addinfo() . " "
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. $@->diagset();
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warn $error;
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return ( $error, undef );
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}
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}
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while ( ( my $i = ZOOM::event( \@zconns ) ) != 0 ) {
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my $event = $zconns[ $i - 1 ]->last_event();
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if ( $event == ZOOM::Event::ZEND ) {
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my $first_record = defined( $offset ) ? $offset+1 : 1;
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my $hits = $tmpresults[ $i - 1 ]->size();
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my $last_record = $hits;
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if ( defined $max_results && $offset + $max_results < $hits ) {
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$last_record = $offset + $max_results;
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}
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for my $j ( $first_record..$last_record ) {
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my $record = $tmpresults[ $i - 1 ]->record( $j-1 )->raw(); # 0 indexed
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push @results, $record;
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}
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}
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}
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return ( undef, \@results );
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}
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}
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=head2 getRecords
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( undef, $results_hashref, \@facets_loop ) = getRecords (
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$koha_query, $simple_query, $sort_by_ref, $servers_ref,
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$results_per_page, $offset, $expanded_facet, $branches,
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$query_type, $scan
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);
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The all singing, all dancing, multi-server, asynchronous, scanning,
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searching, record nabbing, facet-building
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See verbse embedded documentation.
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=cut
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sub getRecords {
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my (
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$koha_query, $simple_query, $sort_by_ref, $servers_ref,
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$results_per_page, $offset, $expanded_facet, $branches,
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$query_type, $scan
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) = @_;
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my @servers = @$servers_ref;
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my @sort_by = @$sort_by_ref;
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# Initialize variables for the ZOOM connection and results object
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my $zconn;
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my @zconns;
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my @results;
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my $results_hashref = ();
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# Initialize variables for the faceted results objects
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my $facets_counter = ();
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my $facets_info = ();
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my $facets = getFacets();
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my @facets_loop
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; # stores the ref to array of hashes for template facets loop
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### LOOP THROUGH THE SERVERS
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for ( my $i = 0 ; $i < @servers ; $i++ ) {
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$zconns[$i] = C4::Context->Zconn( $servers[$i], 1 );
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# perform the search, create the results objects
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# if this is a local search, use the $koha-query, if it's a federated one, use the federated-query
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my $query_to_use;
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if ( $servers[$i] =~ /biblioserver/ ) {
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$query_to_use = $koha_query;
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}
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else {
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$query_to_use = $simple_query;
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}
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#$query_to_use = $simple_query if $scan;
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warn $simple_query if ( $scan and $DEBUG );
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# Check if we've got a query_type defined, if so, use it
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eval {
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if ($query_type)
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{
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if ( $query_type =~ /^ccl/ ) {
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$query_to_use =~
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s/\:/\=/g; # change : to = last minute (FIXME)
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$results[$i] =
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$zconns[$i]->search(
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new ZOOM::Query::CCL2RPN( $query_to_use, $zconns[$i] )
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);
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}
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elsif ( $query_type =~ /^cql/ ) {
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$results[$i] =
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$zconns[$i]->search(
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new ZOOM::Query::CQL( $query_to_use, $zconns[$i] ) );
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}
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elsif ( $query_type =~ /^pqf/ ) {
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$results[$i] =
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$zconns[$i]->search(
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new ZOOM::Query::PQF( $query_to_use, $zconns[$i] ) );
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}
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}
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else {
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if ($scan) {
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$results[$i] =
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$zconns[$i]->scan(
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new ZOOM::Query::CCL2RPN( $query_to_use, $zconns[$i] )
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);
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}
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else {
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$results[$i] =
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$zconns[$i]->search(
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new ZOOM::Query::CCL2RPN( $query_to_use, $zconns[$i] )
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);
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}
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}
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};
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if ($@) {
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warn "WARNING: query problem with $query_to_use " . $@;
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}
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# Concatenate the sort_by limits and pass them to the results object
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# Note: sort will override rank
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my $sort_by;
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foreach my $sort (@sort_by) {
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if ( $sort eq "author_az" ) {
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$sort_by .= "1=1003 <i ";
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}
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elsif ( $sort eq "author_za" ) {
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$sort_by .= "1=1003 >i ";
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}
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elsif ( $sort eq "popularity_asc" ) {
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$sort_by .= "1=9003 <i ";
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}
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elsif ( $sort eq "popularity_dsc" ) {
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$sort_by .= "1=9003 >i ";
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}
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elsif ( $sort eq "call_number_asc" ) {
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$sort_by .= "1=20 <i ";
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}
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elsif ( $sort eq "call_number_dsc" ) {
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$sort_by .= "1=20 >i ";
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}
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elsif ( $sort eq "pubdate_asc" ) {
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$sort_by .= "1=31 <i ";
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}
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elsif ( $sort eq "pubdate_dsc" ) {
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$sort_by .= "1=31 >i ";
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}
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elsif ( $sort eq "acqdate_asc" ) {
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$sort_by .= "1=32 <i ";
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}
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elsif ( $sort eq "acqdate_dsc" ) {
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$sort_by .= "1=32 >i ";
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}
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elsif ( $sort eq "title_az" ) {
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$sort_by .= "1=4 <i ";
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}
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elsif ( $sort eq "title_za" ) {
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$sort_by .= "1=4 >i ";
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}
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}
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if ($sort_by) {
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if ( $results[$i]->sort( "yaz", $sort_by ) < 0 ) {
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warn "WARNING sort $sort_by failed";
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}
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}
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} # finished looping through servers
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# The big moment: asynchronously retrieve results from all servers
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while ( ( my $i = ZOOM::event( \@zconns ) ) != 0 ) {
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my $ev = $zconns[ $i - 1 ]->last_event();
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if ( $ev == ZOOM::Event::ZEND ) {
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next unless $results[ $i - 1 ];
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my $size = $results[ $i - 1 ]->size();
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if ( $size > 0 ) {
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my $results_hash;
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# loop through the results
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$results_hash->{'hits'} = $size;
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my $times;
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if ( $offset + $results_per_page <= $size ) {
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$times = $offset + $results_per_page;
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}
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else {
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$times = $size;
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}
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for ( my $j = $offset ; $j < $times ; $j++ ) {
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my $records_hash;
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my $record;
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my $facet_record;
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## Check if it's an index scan
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if ($scan) {
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my ( $term, $occ ) = $results[ $i - 1 ]->term($j);
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# here we create a minimal MARC record and hand it off to the
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# template just like a normal result ... perhaps not ideal, but
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# it works for now
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my $tmprecord = MARC::Record->new();
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$tmprecord->encoding('UTF-8');
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my $tmptitle;
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my $tmpauthor;
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# the minimal record in author/title (depending on MARC flavour)
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if ( C4::Context->preference("marcflavour") eq
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"UNIMARC" )
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{
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$tmptitle = MARC::Field->new(
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'200', ' ', ' ',
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a => $term,
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f => $occ
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);
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$tmprecord->append_fields($tmptitle);
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}
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else {
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$tmptitle =
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MARC::Field->new( '245', ' ', ' ', a => $term, );
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$tmpauthor =
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MARC::Field->new( '100', ' ', ' ', a => $occ, );
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$tmprecord->append_fields($tmptitle);
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$tmprecord->append_fields($tmpauthor);
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}
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$results_hash->{'RECORDS'}[$j] =
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$tmprecord->as_usmarc();
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}
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# not an index scan
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else {
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$record = $results[ $i - 1 ]->record($j)->raw();
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# warn "RECORD $j:".$record;
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$results_hash->{'RECORDS'}[$j] = $record;
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# Fill the facets while we're looping, but only for the biblioserver
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$facet_record = MARC::Record->new_from_usmarc($record)
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if $servers[ $i - 1 ] =~ /biblioserver/;
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#warn $servers[$i-1]."\n".$record; #.$facet_record->title();
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if ($facet_record) {
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for ( my $k = 0 ; $k <= @$facets ; $k++ ) {
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|
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if ( $facets->[$k] ) {
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my @fields;
|
|
for my $tag ( @{ $facets->[$k]->{'tags'} } )
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|
{
|
|
push @fields,
|
|
$facet_record->field($tag);
|
|
}
|
|
for my $field (@fields) {
|
|
my @subfields = $field->subfields();
|
|
for my $subfield (@subfields) {
|
|
my ( $code, $data ) = @$subfield;
|
|
if ( $code eq
|
|
$facets->[$k]->{'subfield'} )
|
|
{
|
|
$facets_counter->{ $facets->[$k]
|
|
->{'link_value'} }
|
|
->{$data}++;
|
|
}
|
|
}
|
|
}
|
|
$facets_info->{ $facets->[$k]
|
|
->{'link_value'} }->{'label_value'} =
|
|
$facets->[$k]->{'label_value'};
|
|
$facets_info->{ $facets->[$k]
|
|
->{'link_value'} }->{'expanded'} =
|
|
$facets->[$k]->{'expanded'};
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$results_hashref->{ $servers[ $i - 1 ] } = $results_hash;
|
|
}
|
|
|
|
# warn "connection ", $i-1, ": $size hits";
|
|
# warn $results[$i-1]->record(0)->render() if $size > 0;
|
|
|
|
# BUILD FACETS
|
|
if ( $servers[ $i - 1 ] =~ /biblioserver/ ) {
|
|
for my $link_value (
|
|
sort { $facets_counter->{$b} <=> $facets_counter->{$a} }
|
|
keys %$facets_counter )
|
|
{
|
|
my $expandable;
|
|
my $number_of_facets;
|
|
my @this_facets_array;
|
|
for my $one_facet (
|
|
sort {
|
|
$facets_counter->{$link_value}
|
|
->{$b} <=> $facets_counter->{$link_value}->{$a}
|
|
} keys %{ $facets_counter->{$link_value} }
|
|
)
|
|
{
|
|
$number_of_facets++;
|
|
if ( ( $number_of_facets < 6 )
|
|
|| ( $expanded_facet eq $link_value )
|
|
|| ( $facets_info->{$link_value}->{'expanded'} ) )
|
|
{
|
|
|
|
# Sanitize the link value ), ( will cause errors with CCL,
|
|
my $facet_link_value = $one_facet;
|
|
$facet_link_value =~ s/(\(|\))/ /g;
|
|
|
|
# fix the length that will display in the label,
|
|
my $facet_label_value = $one_facet;
|
|
$facet_label_value =
|
|
substr( $one_facet, 0, 20 ) . "..."
|
|
unless length($facet_label_value) <= 20;
|
|
|
|
# if it's a branch, label by the name, not the code,
|
|
if ( $link_value =~ /branch/ ) {
|
|
$facet_label_value =
|
|
$branches->{$one_facet}->{'branchname'};
|
|
}
|
|
|
|
# but we're down with the whole label being in the link's title.
|
|
my $facet_title_value = $one_facet;
|
|
|
|
push @this_facets_array,
|
|
(
|
|
{
|
|
facet_count =>
|
|
$facets_counter->{$link_value}
|
|
->{$one_facet},
|
|
facet_label_value => $facet_label_value,
|
|
facet_title_value => $facet_title_value,
|
|
facet_link_value => $facet_link_value,
|
|
type_link_value => $link_value,
|
|
},
|
|
);
|
|
}
|
|
}
|
|
|
|
# handle expanded option
|
|
unless ( $facets_info->{$link_value}->{'expanded'} ) {
|
|
$expandable = 1
|
|
if ( ( $number_of_facets > 6 )
|
|
&& ( $expanded_facet ne $link_value ) );
|
|
}
|
|
push @facets_loop,
|
|
(
|
|
{
|
|
type_link_value => $link_value,
|
|
type_id => $link_value . "_id",
|
|
type_label =>
|
|
$facets_info->{$link_value}->{'label_value'},
|
|
facets => \@this_facets_array,
|
|
expandable => $expandable,
|
|
expand => $link_value,
|
|
}
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ( undef, $results_hashref, \@facets_loop );
|
|
}
|
|
|
|
sub pazGetRecords {
|
|
my (
|
|
$koha_query, $simple_query, $sort_by_ref, $servers_ref,
|
|
$results_per_page, $offset, $expanded_facet, $branches,
|
|
$query_type, $scan
|
|
) = @_;
|
|
|
|
my $paz = C4::Search::PazPar2->new(C4::Context->config('pazpar2url'));
|
|
$paz->init();
|
|
$paz->search($simple_query);
|
|
sleep 1;
|
|
|
|
# do results
|
|
my $results_hashref = {};
|
|
my $stats = XMLin($paz->stat);
|
|
my $results = XMLin($paz->show($offset, $results_per_page, 'work-title:1'), forcearray => 1);
|
|
|
|
# for a grouped search result, the number of hits
|
|
# is the number of groups returned; 'bib_hits' will have
|
|
# the total number of bibs.
|
|
$results_hashref->{'biblioserver'}->{'hits'} = $results->{'merged'}->[0];
|
|
$results_hashref->{'biblioserver'}->{'bib_hits'} = $stats->{'hits'};
|
|
|
|
HIT: foreach my $hit (@{ $results->{'hit'} }) {
|
|
my $recid = $hit->{recid}->[0];
|
|
|
|
my $work_title = $hit->{'md-work-title'}->[0];
|
|
my $work_author;
|
|
if (exists $hit->{'md-work-author'}) {
|
|
$work_author = $hit->{'md-work-author'}->[0];
|
|
}
|
|
my $group_label = (defined $work_author) ? "$work_title / $work_author" : $work_title;
|
|
|
|
my $result_group = {};
|
|
$result_group->{'group_label'} = $group_label;
|
|
$result_group->{'group_merge_key'} = $recid;
|
|
|
|
my $count = 1;
|
|
if (exists $hit->{count}) {
|
|
$count = $hit->{count}->[0];
|
|
}
|
|
$result_group->{'group_count'} = $count;
|
|
|
|
for (my $i = 0; $i < $count; $i++) {
|
|
# FIXME -- may need to worry about diacritics here
|
|
my $rec = $paz->record($recid, $i);
|
|
push @{ $result_group->{'RECORDS'} }, $rec;
|
|
}
|
|
|
|
push @{ $results_hashref->{'biblioserver'}->{'GROUPS'} }, $result_group;
|
|
}
|
|
|
|
# pass through facets
|
|
my $termlist_xml = $paz->termlist('author,subject');
|
|
my $terms = XMLin($termlist_xml, forcearray => 1);
|
|
my @facets_loop = ();
|
|
#die Dumper($results);
|
|
# foreach my $list (sort keys %{ $terms->{'list'} }) {
|
|
# my @facets = ();
|
|
# foreach my $facet (sort @{ $terms->{'list'}->{$list}->{'term'} } ) {
|
|
# push @facets, {
|
|
# facet_label_value => $facet->{'name'}->[0],
|
|
# };
|
|
# }
|
|
# push @facets_loop, ( {
|
|
# type_label => $list,
|
|
# facets => \@facets,
|
|
# } );
|
|
# }
|
|
|
|
return ( undef, $results_hashref, \@facets_loop );
|
|
}
|
|
|
|
# STOPWORDS
|
|
sub _remove_stopwords {
|
|
my ( $operand, $index ) = @_;
|
|
my @stopwords_removed;
|
|
|
|
# phrase and exact-qualified indexes shouldn't have stopwords removed
|
|
if ( $index !~ m/phr|ext/ ) {
|
|
|
|
# remove stopwords from operand : parse all stopwords & remove them (case insensitive)
|
|
# we use IsAlpha unicode definition, to deal correctly with diacritics.
|
|
# otherwise, a French word like "leçon" woudl be split into "le" "çon", "le"
|
|
# is a stopword, we'd get "çon" and wouldn't find anything...
|
|
foreach ( keys %{ C4::Context->stopwords } ) {
|
|
next if ( $_ =~ /(and|or|not)/ ); # don't remove operators
|
|
if ( $operand =~
|
|
/(\P{IsAlpha}$_\P{IsAlpha}|^$_\P{IsAlpha}|\P{IsAlpha}$_$)/ )
|
|
{
|
|
$operand =~ s/\P{IsAlpha}$_\P{IsAlpha}/ /gi;
|
|
$operand =~ s/^$_\P{IsAlpha}/ /gi;
|
|
$operand =~ s/\P{IsAlpha}$_$/ /gi;
|
|
push @stopwords_removed, $_;
|
|
}
|
|
}
|
|
}
|
|
return ( $operand, \@stopwords_removed );
|
|
}
|
|
|
|
# TRUNCATION
|
|
sub _detect_truncation {
|
|
my ( $operand, $index ) = @_;
|
|
my ( @nontruncated, @righttruncated, @lefttruncated, @rightlefttruncated,
|
|
@regexpr );
|
|
$operand =~ s/^ //g;
|
|
my @wordlist = split( /\s/, $operand );
|
|
foreach my $word (@wordlist) {
|
|
if ( $word =~ s/^\*([^\*]+)\*$/$1/ ) {
|
|
push @rightlefttruncated, $word;
|
|
}
|
|
elsif ( $word =~ s/^\*([^\*]+)$/$1/ ) {
|
|
push @lefttruncated, $word;
|
|
}
|
|
elsif ( $word =~ s/^([^\*]+)\*$/$1/ ) {
|
|
push @righttruncated, $word;
|
|
}
|
|
elsif ( index( $word, "*" ) < 0 ) {
|
|
push @nontruncated, $word;
|
|
}
|
|
else {
|
|
push @regexpr, $word;
|
|
}
|
|
}
|
|
return (
|
|
\@nontruncated, \@righttruncated, \@lefttruncated,
|
|
\@rightlefttruncated, \@regexpr
|
|
);
|
|
}
|
|
|
|
# STEMMING
|
|
sub _build_stemmed_operand {
|
|
my ($operand) = @_;
|
|
my $stemmed_operand;
|
|
|
|
# FIXME: the locale should be set based on the user's language and/or search choice
|
|
my $stemmer = Lingua::Stem->new( -locale => 'EN-US' );
|
|
|
|
# FIXME: these should be stored in the db so the librarian can modify the behavior
|
|
$stemmer->add_exceptions(
|
|
{
|
|
'and' => 'and',
|
|
'or' => 'or',
|
|
'not' => 'not',
|
|
}
|
|
);
|
|
my @words = split( / /, $operand );
|
|
my $stems = $stemmer->stem(@words);
|
|
for my $stem (@$stems) {
|
|
$stemmed_operand .= "$stem";
|
|
$stemmed_operand .= "?"
|
|
unless ( $stem =~ /(and$|or$|not$)/ ) || ( length($stem) < 3 );
|
|
$stemmed_operand .= " ";
|
|
}
|
|
warn "STEMMED OPERAND: $stemmed_operand" if $DEBUG;
|
|
return $stemmed_operand;
|
|
}
|
|
|
|
# FIELD WEIGHTING
|
|
sub _build_weighted_query {
|
|
|
|
# FIELD WEIGHTING - This is largely experimental stuff. What I'm committing works
|
|
# pretty well but could work much better if we had a smarter query parser
|
|
my ( $operand, $stemmed_operand, $index ) = @_;
|
|
my $stemming = C4::Context->preference("QueryStemming") || 0;
|
|
my $weight_fields = C4::Context->preference("QueryWeightFields") || 0;
|
|
my $fuzzy_enabled = C4::Context->preference("QueryFuzzy") || 0;
|
|
|
|
my $weighted_query .= "(rk=("; # Specifies that we're applying rank
|
|
|
|
# Keyword, or, no index specified
|
|
if ( ( $index eq 'kw' ) || ( !$index ) ) {
|
|
$weighted_query .=
|
|
"Title-cover,ext,r1=\"$operand\""; # exact title-cover
|
|
$weighted_query .= " or ti,ext,r2=\"$operand\""; # exact title
|
|
$weighted_query .= " or ti,phr,r3=\"$operand\""; # phrase title
|
|
#$weighted_query .= " or any,ext,r4=$operand"; # exact any
|
|
#$weighted_query .=" or kw,wrdl,r5=\"$operand\""; # word list any
|
|
$weighted_query .= " or wrdl,fuzzy,r8=\"$operand\""
|
|
if $fuzzy_enabled; # add fuzzy, word list
|
|
$weighted_query .= " or wrdl,right-Truncation,r9=\"$stemmed_operand\""
|
|
if ( $stemming and $stemmed_operand )
|
|
; # add stemming, right truncation
|
|
$weighted_query .= " or wrdl,r9=\"$operand\"";
|
|
|
|
# embedded sorting: 0 a-z; 1 z-a
|
|
# $weighted_query .= ") or (sort1,aut=1";
|
|
}
|
|
|
|
# Barcode searches should skip this process
|
|
elsif ( $index eq 'bc' ) {
|
|
$weighted_query .= "bc=\"$operand\"";
|
|
}
|
|
|
|
# Authority-number searches should skip this process
|
|
elsif ( $index eq 'an' ) {
|
|
$weighted_query .= "an=\"$operand\"";
|
|
}
|
|
|
|
# If the index already has more than one qualifier, wrap the operand
|
|
# in quotes and pass it back (assumption is that the user knows what they
|
|
# are doing and won't appreciate us mucking up their query
|
|
elsif ( $index =~ ',' ) {
|
|
$weighted_query .= " $index=\"$operand\"";
|
|
}
|
|
|
|
#TODO: build better cases based on specific search indexes
|
|
else {
|
|
$weighted_query .= " $index,ext,r1=\"$operand\""; # exact index
|
|
#$weighted_query .= " or (title-sort-az=0 or $index,startswithnt,st-word,r3=$operand #)";
|
|
$weighted_query .= " or $index,phr,r3=\"$operand\""; # phrase index
|
|
$weighted_query .=
|
|
" or $index,rt,wrdl,r3=\"$operand\""; # word list index
|
|
}
|
|
|
|
$weighted_query .= "))"; # close rank specification
|
|
return $weighted_query;
|
|
}
|
|
|
|
=head2 buildQuery
|
|
|
|
( $error, $query,
|
|
$simple_query, $query_cgi,
|
|
$query_desc, $limit,
|
|
$limit_cgi, $limit_desc,
|
|
$stopwords_removed, $query_type ) = getRecords ( $operators, $operands, $indexes, $limits, $sort_by, $scan);
|
|
|
|
Build queries and limits in CCL, CGI, Human,
|
|
handle truncation, stemming, field weighting, stopwords, fuzziness, etc.
|
|
|
|
See verbose embedded documentation.
|
|
|
|
|
|
=cut
|
|
|
|
sub buildQuery {
|
|
my ( $operators, $operands, $indexes, $limits, $sort_by, $scan ) = @_;
|
|
|
|
warn "---------\nEnter buildQuery\n---------" if $DEBUG;
|
|
|
|
# dereference
|
|
my @operators = @$operators if $operators;
|
|
my @indexes = @$indexes if $indexes;
|
|
my @operands = @$operands if $operands;
|
|
my @limits = @$limits if $limits;
|
|
my @sort_by = @$sort_by if $sort_by;
|
|
|
|
my $stemming = C4::Context->preference("QueryStemming") || 0;
|
|
my $auto_truncation = C4::Context->preference("QueryAutoTruncate") || 0;
|
|
my $weight_fields = C4::Context->preference("QueryWeightFields") || 0;
|
|
my $fuzzy_enabled = C4::Context->preference("QueryFuzzy") || 0;
|
|
my $remove_stopwords = C4::Context->preference("QueryRemoveStopwords") || 0;
|
|
|
|
# no stemming/weight/fuzzy in NoZebra
|
|
if ( C4::Context->preference("NoZebra") ) {
|
|
$stemming = 0;
|
|
$weight_fields = 0;
|
|
$fuzzy_enabled = 0;
|
|
}
|
|
|
|
my $query = $operands[0];
|
|
my $simple_query = $operands[0];
|
|
|
|
# initialize the variables we're passing back
|
|
my $query_cgi;
|
|
my $query_desc;
|
|
my $query_type;
|
|
|
|
my $limit;
|
|
my $limit_cgi;
|
|
my $limit_desc;
|
|
|
|
my $stopwords_removed; # flag to determine if stopwords have been removed
|
|
|
|
# for handling ccl, cql, pqf queries in diagnostic mode, skip the rest of the steps
|
|
# DIAGNOSTIC ONLY!!
|
|
if ( $query =~ /^ccl=/ ) {
|
|
return ( undef, $', $', $', $', '', '', '', '', 'ccl' );
|
|
}
|
|
if ( $query =~ /^cql=/ ) {
|
|
return ( undef, $', $', $', $', '', '', '', '', 'cql' );
|
|
}
|
|
if ( $query =~ /^pqf=/ ) {
|
|
return ( undef, $', $', $', $', '', '', '', '', 'pqf' );
|
|
}
|
|
|
|
# pass nested queries directly
|
|
# FIXME: need better handling of some of these variables in this case
|
|
if ( $query =~ /(\(|\))/ ) {
|
|
return (
|
|
undef, $query, $simple_query, $query_cgi,
|
|
$query, $limit, $limit_cgi, $limit_desc,
|
|
$stopwords_removed, 'ccl'
|
|
);
|
|
}
|
|
|
|
# Form-based queries are non-nested and fixed depth, so we can easily modify the incoming
|
|
# query operands and indexes and add stemming, truncation, field weighting, etc.
|
|
# Once we do so, we'll end up with a value in $query, just like if we had an
|
|
# incoming $query from the user
|
|
else {
|
|
$query = ""
|
|
; # clear it out so we can populate properly with field-weighted, stemmed, etc. query
|
|
my $previous_operand
|
|
; # a flag used to keep track if there was a previous query
|
|
# if there was, we can apply the current operator
|
|
# for every operand
|
|
for ( my $i = 0 ; $i <= @operands ; $i++ ) {
|
|
|
|
# COMBINE OPERANDS, INDEXES AND OPERATORS
|
|
if ( $operands[$i] ) {
|
|
|
|
# A flag to determine whether or not to add the index to the query
|
|
my $indexes_set;
|
|
|
|
# If the user is sophisticated enough to specify an index, turn off field weighting, stemming, and stopword handling
|
|
if ( $operands[$i] =~ /(:|=)/ || $scan ) {
|
|
$weight_fields = 0;
|
|
$stemming = 0;
|
|
$remove_stopwords = 0;
|
|
}
|
|
my $operand = $operands[$i];
|
|
my $index = $indexes[$i];
|
|
|
|
# Add index-specific attributes
|
|
# Date of Publication
|
|
if ( $index eq 'yr' ) {
|
|
$index .= ",st-numeric";
|
|
$indexes_set++;
|
|
(
|
|
$stemming, $auto_truncation,
|
|
$weight_fields, $fuzzy_enabled,
|
|
$remove_stopwords
|
|
) = ( 0, 0, 0, 0, 0 );
|
|
}
|
|
|
|
# Date of Acquisition
|
|
elsif ( $index eq 'acqdate' ) {
|
|
$index .= ",st-date-normalized";
|
|
$indexes_set++;
|
|
(
|
|
$stemming, $auto_truncation,
|
|
$weight_fields, $fuzzy_enabled,
|
|
$remove_stopwords
|
|
) = ( 0, 0, 0, 0, 0 );
|
|
}
|
|
# ISBN,ISSN,Standard Number, don't need special treatment
|
|
elsif ( $index eq 'nb' || $index eq 'ns' ) {
|
|
$indexes_set++;
|
|
(
|
|
$stemming, $auto_truncation,
|
|
$weight_fields, $fuzzy_enabled,
|
|
$remove_stopwords
|
|
) = ( 0, 0, 0, 0, 0 );
|
|
|
|
}
|
|
# Set default structure attribute (word list)
|
|
my $struct_attr;
|
|
unless ( $indexes_set || !$index || $index =~ /(st-|phr|ext|wrdl)/ ) {
|
|
$struct_attr = ",wrdl";
|
|
}
|
|
|
|
# Some helpful index variants
|
|
my $index_plus = $index . $struct_attr . ":" if $index;
|
|
my $index_plus_comma = $index . $struct_attr . "," if $index;
|
|
|
|
# Remove Stopwords
|
|
if ($remove_stopwords) {
|
|
( $operand, $stopwords_removed ) =
|
|
_remove_stopwords( $operand, $index );
|
|
warn "OPERAND w/out STOPWORDS: >$operand<" if $DEBUG;
|
|
warn "REMOVED STOPWORDS: @$stopwords_removed"
|
|
if ( $stopwords_removed && $DEBUG );
|
|
}
|
|
|
|
# Detect Truncation
|
|
my ( $nontruncated, $righttruncated, $lefttruncated,
|
|
$rightlefttruncated, $regexpr );
|
|
my $truncated_operand;
|
|
(
|
|
$nontruncated, $righttruncated, $lefttruncated,
|
|
$rightlefttruncated, $regexpr
|
|
) = _detect_truncation( $operand, $index );
|
|
warn
|
|
"TRUNCATION: NON:>@$nontruncated< RIGHT:>@$righttruncated< LEFT:>@$lefttruncated< RIGHTLEFT:>@$rightlefttruncated< REGEX:>@$regexpr<"
|
|
if $DEBUG;
|
|
|
|
# Apply Truncation
|
|
if (
|
|
scalar(@$righttruncated) + scalar(@$lefttruncated) +
|
|
scalar(@$rightlefttruncated) > 0 )
|
|
{
|
|
|
|
# Don't field weight or add the index to the query, we do it here
|
|
$indexes_set = 1;
|
|
undef $weight_fields;
|
|
my $previous_truncation_operand;
|
|
if ( scalar(@$nontruncated) > 0 ) {
|
|
$truncated_operand .= "$index_plus @$nontruncated ";
|
|
$previous_truncation_operand = 1;
|
|
}
|
|
if ( scalar(@$righttruncated) > 0 ) {
|
|
$truncated_operand .= "and "
|
|
if $previous_truncation_operand;
|
|
$truncated_operand .=
|
|
"$index_plus_comma" . "rtrn:@$righttruncated ";
|
|
$previous_truncation_operand = 1;
|
|
}
|
|
if ( scalar(@$lefttruncated) > 0 ) {
|
|
$truncated_operand .= "and "
|
|
if $previous_truncation_operand;
|
|
$truncated_operand .=
|
|
"$index_plus_comma" . "ltrn:@$lefttruncated ";
|
|
$previous_truncation_operand = 1;
|
|
}
|
|
if ( scalar(@$rightlefttruncated) > 0 ) {
|
|
$truncated_operand .= "and "
|
|
if $previous_truncation_operand;
|
|
$truncated_operand .=
|
|
"$index_plus_comma" . "rltrn:@$rightlefttruncated ";
|
|
$previous_truncation_operand = 1;
|
|
}
|
|
}
|
|
$operand = $truncated_operand if $truncated_operand;
|
|
warn "TRUNCATED OPERAND: >$truncated_operand<" if $DEBUG;
|
|
|
|
# Handle Stemming
|
|
my $stemmed_operand;
|
|
$stemmed_operand = _build_stemmed_operand($operand)
|
|
if $stemming;
|
|
warn "STEMMED OPERAND: >$stemmed_operand<" if $DEBUG;
|
|
|
|
# Handle Field Weighting
|
|
my $weighted_operand;
|
|
$weighted_operand =
|
|
_build_weighted_query( $operand, $stemmed_operand, $index )
|
|
if $weight_fields;
|
|
warn "FIELD WEIGHTED OPERAND: >$weighted_operand<" if $DEBUG;
|
|
$operand = $weighted_operand if $weight_fields;
|
|
$indexes_set = 1 if $weight_fields;
|
|
|
|
# If there's a previous operand, we need to add an operator
|
|
if ($previous_operand) {
|
|
|
|
# User-specified operator
|
|
if ( $operators[ $i - 1 ] ) {
|
|
$query .= " $operators[$i-1] ";
|
|
$query .= " $index_plus " unless $indexes_set;
|
|
$query .= " $operand";
|
|
$query_cgi .= "&op=$operators[$i-1]";
|
|
$query_cgi .= "&idx=$index" if $index;
|
|
$query_cgi .= "&q=$operands[$i]" if $operands[$i];
|
|
$query_desc .=
|
|
" $operators[$i-1] $index_plus $operands[$i]";
|
|
}
|
|
|
|
# Default operator is and
|
|
else {
|
|
$query .= " and ";
|
|
$query .= "$index_plus " unless $indexes_set;
|
|
$query .= "$operand";
|
|
$query_cgi .= "&op=and&idx=$index" if $index;
|
|
$query_cgi .= "&q=$operands[$i]" if $operands[$i];
|
|
$query_desc .= " and $index_plus $operands[$i]";
|
|
}
|
|
}
|
|
|
|
# There isn't a pervious operand, don't need an operator
|
|
else {
|
|
|
|
# Field-weighted queries already have indexes set
|
|
$query .= " $index_plus " unless $indexes_set;
|
|
$query .= $operand;
|
|
$query_desc .= " $index_plus $operands[$i]";
|
|
$query_cgi .= "&idx=$index" if $index;
|
|
$query_cgi .= "&q=$operands[$i]" if $operands[$i];
|
|
$previous_operand = 1;
|
|
}
|
|
} #/if $operands
|
|
} # /for
|
|
}
|
|
warn "QUERY BEFORE LIMITS: >$query<" if $DEBUG;
|
|
|
|
# add limits
|
|
my $group_OR_limits;
|
|
my $availability_limit;
|
|
foreach my $this_limit (@limits) {
|
|
if ( $this_limit =~ /available/ ) {
|
|
|
|
# 'available' is defined as (items.onloan is NULL) and (items.itemlost = 0)
|
|
# In English:
|
|
# all records not indexed in the onloan register (zebra) and all records with a value of lost equal to 0
|
|
$availability_limit .=
|
|
"( ( allrecords,AlwaysMatches='' not onloan,AlwaysMatches='') and (lost,st-numeric=0) )"; #or ( allrecords,AlwaysMatches='' not lost,AlwaysMatches='')) )";
|
|
$limit_cgi .= "&limit=available";
|
|
$limit_desc .= "";
|
|
}
|
|
|
|
# group_OR_limits, prefixed by mc-
|
|
# OR every member of the group
|
|
elsif ( $this_limit =~ /mc/ ) {
|
|
$group_OR_limits .= " or " if $group_OR_limits;
|
|
$limit_desc .= " or " if $group_OR_limits;
|
|
$group_OR_limits .= "$this_limit";
|
|
$limit_cgi .= "&limit=$this_limit";
|
|
$limit_desc .= " $this_limit";
|
|
}
|
|
|
|
# Regular old limits
|
|
else {
|
|
$limit .= " and " if $limit || $query;
|
|
$limit .= "$this_limit";
|
|
$limit_cgi .= "&limit=$this_limit";
|
|
$limit_desc .= " $this_limit";
|
|
}
|
|
}
|
|
if ($group_OR_limits) {
|
|
$limit .= " and " if ( $query || $limit );
|
|
$limit .= "($group_OR_limits)";
|
|
}
|
|
if ($availability_limit) {
|
|
$limit .= " and " if ( $query || $limit );
|
|
$limit .= "($availability_limit)";
|
|
}
|
|
|
|
# Normalize the query and limit strings
|
|
$query =~ s/:/=/g;
|
|
$limit =~ s/:/=/g;
|
|
for ( $query, $query_desc, $limit, $limit_desc ) {
|
|
$_ =~ s/ / /g; # remove extra spaces
|
|
$_ =~ s/^ //g; # remove any beginning spaces
|
|
$_ =~ s/ $//g; # remove any ending spaces
|
|
$_ =~ s/==/=/g; # remove double == from query
|
|
}
|
|
$query_cgi =~ s/^&//; # remove unnecessary & from beginning of the query cgi
|
|
|
|
for ($query_cgi,$simple_query) {
|
|
$_ =~ s/"//g;
|
|
}
|
|
# append the limit to the query
|
|
$query .= " " . $limit;
|
|
|
|
# Warnings if DEBUG
|
|
if ($DEBUG) {
|
|
warn "QUERY:" . $query;
|
|
warn "QUERY CGI:" . $query_cgi;
|
|
warn "QUERY DESC:" . $query_desc;
|
|
warn "LIMIT:" . $limit;
|
|
warn "LIMIT CGI:" . $limit_cgi;
|
|
warn "LIMIT DESC:" . $limit_desc;
|
|
warn "---------\nLeave buildQuery\n---------";
|
|
}
|
|
return (
|
|
undef, $query, $simple_query, $query_cgi,
|
|
$query_desc, $limit, $limit_cgi, $limit_desc,
|
|
$stopwords_removed, $query_type
|
|
);
|
|
}
|
|
|
|
=head2 searchResults
|
|
|
|
Format results in a form suitable for passing to the template
|
|
|
|
=cut
|
|
|
|
# IMO this subroutine is pretty messy still -- it's responsible for
|
|
# building the HTML output for the template
|
|
sub searchResults {
|
|
my ( $searchdesc, $hits, $results_per_page, $offset, @marcresults ) = @_;
|
|
my $dbh = C4::Context->dbh;
|
|
my $even = 1;
|
|
my @newresults;
|
|
|
|
# add search-term highlighting via <span>s on the search terms
|
|
my $span_terms_hashref;
|
|
for my $span_term ( split( / /, $searchdesc ) ) {
|
|
$span_term =~ s/(.*=|\)|\(|\+|\.|\*)//g;
|
|
$span_terms_hashref->{$span_term}++;
|
|
}
|
|
|
|
#Build branchnames hash
|
|
#find branchname
|
|
#get branch information.....
|
|
my %branches;
|
|
my $bsth =
|
|
$dbh->prepare("SELECT branchcode,branchname FROM branches")
|
|
; # FIXME : use C4::Koha::GetBranches
|
|
$bsth->execute();
|
|
while ( my $bdata = $bsth->fetchrow_hashref ) {
|
|
$branches{ $bdata->{'branchcode'} } = $bdata->{'branchname'};
|
|
}
|
|
# FIXME - We build an authorised values hash here, using the default framework
|
|
# though it is possible to have different authvals for different fws.
|
|
|
|
my $shelflocations =GetKohaAuthorisedValues('items.location','');
|
|
|
|
# get notforloan authorised value list (see $shelflocations FIXME)
|
|
my $notforloan_authorised_value = GetAuthValCode('items.notforloan','');
|
|
|
|
#Build itemtype hash
|
|
#find itemtype & itemtype image
|
|
my %itemtypes;
|
|
$bsth =
|
|
$dbh->prepare(
|
|
"SELECT itemtype,description,imageurl,summary,notforloan FROM itemtypes"
|
|
);
|
|
$bsth->execute();
|
|
while ( my $bdata = $bsth->fetchrow_hashref ) {
|
|
$itemtypes{ $bdata->{'itemtype'} }->{description} =
|
|
$bdata->{'description'};
|
|
$itemtypes{ $bdata->{'itemtype'} }->{imageurl} = $bdata->{'imageurl'};
|
|
$itemtypes{ $bdata->{'itemtype'} }->{summary} = $bdata->{'summary'};
|
|
$itemtypes{ $bdata->{'itemtype'} }->{notforloan} =
|
|
$bdata->{'notforloan'};
|
|
}
|
|
|
|
#search item field code
|
|
my $sth =
|
|
$dbh->prepare(
|
|
"SELECT tagfield FROM marc_subfield_structure WHERE kohafield LIKE 'items.itemnumber'"
|
|
);
|
|
$sth->execute;
|
|
my ($itemtag) = $sth->fetchrow;
|
|
|
|
## find column names of items related to MARC
|
|
my $sth2 = $dbh->prepare("SHOW COLUMNS FROM items");
|
|
$sth2->execute;
|
|
my %subfieldstosearch;
|
|
while ( ( my $column ) = $sth2->fetchrow ) {
|
|
my ( $tagfield, $tagsubfield ) =
|
|
&GetMarcFromKohaField( "items." . $column, "" );
|
|
$subfieldstosearch{$column} = $tagsubfield;
|
|
}
|
|
|
|
# handle which records to actually retrieve
|
|
my $times;
|
|
if ( $hits && $offset + $results_per_page <= $hits ) {
|
|
$times = $offset + $results_per_page;
|
|
}
|
|
else {
|
|
$times = $hits;
|
|
}
|
|
|
|
# loop through all of the records we've retrieved
|
|
for ( my $i = $offset ; $i <= $times - 1 ; $i++ ) {
|
|
my $marcrecord;
|
|
$marcrecord = MARC::File::USMARC::decode( $marcresults[$i] );
|
|
my $oldbiblio = TransformMarcToKoha( $dbh, $marcrecord, '' );
|
|
$oldbiblio->{result_number} = $i + 1;
|
|
|
|
# add imageurl to itemtype if there is one
|
|
if ( $itemtypes{ $oldbiblio->{itemtype} }->{imageurl} =~ /^http:/ ) {
|
|
$oldbiblio->{imageurl} =
|
|
$itemtypes{ $oldbiblio->{itemtype} }->{imageurl};
|
|
$oldbiblio->{description} =
|
|
$itemtypes{ $oldbiblio->{itemtype} }->{description};
|
|
}
|
|
else {
|
|
$oldbiblio->{imageurl} =
|
|
getitemtypeimagesrc() . "/"
|
|
. $itemtypes{ $oldbiblio->{itemtype} }->{imageurl}
|
|
if ( $itemtypes{ $oldbiblio->{itemtype} }->{imageurl} );
|
|
$oldbiblio->{description} =
|
|
$itemtypes{ $oldbiblio->{itemtype} }->{description};
|
|
}
|
|
my $aisbn=$oldbiblio->{'isbn'};
|
|
$aisbn =~ /(\d*[X]*)/;
|
|
$oldbiblio->{'amazonisbn'} = $1;
|
|
# Build summary if there is one (the summary is defined in the itemtypes table)
|
|
# FIXME: is this used anywhere, I think it can be commented out? -- JF
|
|
if ( $itemtypes{ $oldbiblio->{itemtype} }->{summary} ) {
|
|
my $summary = $itemtypes{ $oldbiblio->{itemtype} }->{summary};
|
|
my @fields = $marcrecord->fields();
|
|
foreach my $field (@fields) {
|
|
my $tag = $field->tag();
|
|
my $tagvalue = $field->as_string();
|
|
$summary =~
|
|
s/\[(.?.?.?.?)$tag\*(.*?)]/$1$tagvalue$2\[$1$tag$2]/g;
|
|
unless ( $tag < 10 ) {
|
|
my @subf = $field->subfields;
|
|
for my $i ( 0 .. $#subf ) {
|
|
my $subfieldcode = $subf[$i][0];
|
|
my $subfieldvalue = $subf[$i][1];
|
|
my $tagsubf = $tag . $subfieldcode;
|
|
$summary =~
|
|
s/\[(.?.?.?.?)$tagsubf(.*?)]/$1$subfieldvalue$2\[$1$tagsubf$2]/g;
|
|
}
|
|
}
|
|
}
|
|
# FIXME: yuk
|
|
$summary =~ s/\[(.*?)]//g;
|
|
$summary =~ s/\n/<br\/>/g;
|
|
$oldbiblio->{summary} = $summary;
|
|
}
|
|
|
|
# Add search-term highlighting to the whole record where they match using <span>s
|
|
if (C4::Context->preference("OpacHighlightedWords")){
|
|
my $searchhighlightblob;
|
|
for my $highlight_field ( $marcrecord->fields ) {
|
|
|
|
# FIXME: need to skip title, subtitle, author, etc., as they are handled below
|
|
next if $highlight_field->tag() =~ /(^00)/; # skip fixed fields
|
|
for my $subfield ($highlight_field->subfields()) {
|
|
my $match;
|
|
next if $subfield->[0] eq '9';
|
|
my $field = $subfield->[1];
|
|
for my $term ( keys %$span_terms_hashref ) {
|
|
if ( ( $field =~ /$term/i ) && (( length($term) > 3 ) || ($field =~ / $term /i)) ) {
|
|
$field =~ s/$term/<span class=\"term\">$&<\/span>/gi;
|
|
$match++;
|
|
}
|
|
}
|
|
$searchhighlightblob .= $field . " ... " if $match;
|
|
}
|
|
|
|
}
|
|
$searchhighlightblob = ' ... '.$searchhighlightblob if $searchhighlightblob;
|
|
$oldbiblio->{'searchhighlightblob'} = $searchhighlightblob;
|
|
}
|
|
# save an author with no <span> tag, for the <a href=search.pl?q=<!--tmpl_var name="author"-->> link
|
|
$oldbiblio->{'author_nospan'} = $oldbiblio->{'author'};
|
|
|
|
# Add search-term highlighting to the title, subtitle, etc. fields
|
|
for my $term ( keys %$span_terms_hashref ) {
|
|
my $old_term = $term;
|
|
if ( length($term) > 3 ) {
|
|
$term =~ s/(.*=|\)|\(|\+|\.|\?|\[|\]|\\|\*)//g;
|
|
$oldbiblio->{'title'} =~
|
|
s/$term/<span class=\"term\">$&<\/span>/gi;
|
|
$oldbiblio->{'subtitle'} =~
|
|
s/$term/<span class=\"term\">$&<\/span>/gi;
|
|
$oldbiblio->{'author'} =~
|
|
s/$term/<span class=\"term\">$&<\/span>/gi;
|
|
$oldbiblio->{'publishercode'} =~
|
|
s/$term/<span class=\"term\">$&<\/span>/gi;
|
|
$oldbiblio->{'place'} =~
|
|
s/$term/<span class=\"term\">$&<\/span>/gi;
|
|
$oldbiblio->{'pages'} =~
|
|
s/$term/<span class=\"term\">$&<\/span>/gi;
|
|
$oldbiblio->{'notes'} =~
|
|
s/$term/<span class=\"term\">$&<\/span>/gi;
|
|
$oldbiblio->{'size'} =~
|
|
s/$term/<span class=\"term\">$&<\/span>/gi;
|
|
}
|
|
}
|
|
|
|
($i % 2) and $oldbiblio->{'toggle'} = 1;
|
|
|
|
# Pull out the items fields
|
|
my @fields = $marcrecord->field($itemtag);
|
|
|
|
# Setting item statuses for display
|
|
my @available_items_loop;
|
|
my @onloan_items_loop;
|
|
my @other_items_loop;
|
|
|
|
my $available_items;
|
|
my $onloan_items;
|
|
my $other_items;
|
|
|
|
my $ordered_count = 0;
|
|
my $available_count = 0;
|
|
my $onloan_count = 0;
|
|
my $longoverdue_count = 0;
|
|
my $other_count = 0;
|
|
my $wthdrawn_count = 0;
|
|
my $itemlost_count = 0;
|
|
my $itembinding_count = 0;
|
|
my $itemdamaged_count = 0;
|
|
my $can_place_holds = 0;
|
|
my $items_count = scalar(@fields);
|
|
my $items_counter;
|
|
my $maxitems =
|
|
( C4::Context->preference('maxItemsinSearchResults') )
|
|
? C4::Context->preference('maxItemsinSearchResults') - 1
|
|
: 1;
|
|
|
|
# loop through every item
|
|
foreach my $field (@fields) {
|
|
my $item;
|
|
$items_counter++;
|
|
|
|
# populate the items hash
|
|
foreach my $code ( keys %subfieldstosearch ) {
|
|
$item->{$code} = $field->subfield( $subfieldstosearch{$code} );
|
|
}
|
|
my $hbranch = C4::Context->preference('HomeOrHoldingBranch') eq 'homebranch' ? 'homebranch' : 'holdingbranch';
|
|
my $otherbranch = C4::Context->preference('HomeOrHoldingBranch') eq 'homebranch' ? 'holdingbranch' : 'homebranch';
|
|
# set item's branch name, use HomeOrHoldingBranch syspref first, fall back to the other one
|
|
if ($item->{$hbranch}) {
|
|
$item->{'branchname'} = $branches{$item->{$hbranch}};
|
|
}
|
|
elsif ($item->{$otherbranch}) { # Last resort
|
|
$item->{'branchname'} = $branches{$item->{$otherbranch}};
|
|
}
|
|
|
|
my $prefix = $item->{$hbranch} . '--' . $item->{location} . $item->{itype} . $item->{itemcallnumber};
|
|
# For each grouping of items (onloan, available, unavailable), we build a key to store relevant info about that item
|
|
if ( $item->{onloan} ) {
|
|
$onloan_count++;
|
|
my $key = $prefix . $item->{due_date};
|
|
$onloan_items->{$key}->{due_date} = format_date($item->{onloan});
|
|
$onloan_items->{$key}->{count}++ if $item->{homebranch};
|
|
$onloan_items->{$key}->{branchname} = $item->{branchname};
|
|
$onloan_items->{$key}->{location} = $shelflocations->{ $item->{location} };
|
|
$onloan_items->{$key}->{itemcallnumber} = $item->{itemcallnumber};
|
|
$onloan_items->{$key}->{imageurl} = getitemtypeimagesrc() . "/" . $itemtypes{ $item->{itype} }->{imageurl};
|
|
# if something's checked out and lost, mark it as 'long overdue'
|
|
if ( $item->{itemlost} ) {
|
|
$onloan_items->{$prefix}->{longoverdue}++;
|
|
$longoverdue_count++;
|
|
} else { # can place holds as long as item isn't lost
|
|
$can_place_holds = 1;
|
|
}
|
|
}
|
|
|
|
# items not on loan, but still unavailable ( lost, withdrawn, damaged )
|
|
else {
|
|
|
|
# item is on order
|
|
if ( $item->{notforloan} == -1 ) {
|
|
$ordered_count++;
|
|
}
|
|
|
|
# item is withdrawn, lost or damaged
|
|
if ( $item->{wthdrawn}
|
|
|| $item->{itemlost}
|
|
|| $item->{damaged}
|
|
|| $item->{notforloan} )
|
|
{
|
|
$wthdrawn_count++ if $item->{wthdrawn};
|
|
$itemlost_count++ if $item->{itemlost};
|
|
$itemdamaged_count++ if $item->{damaged};
|
|
$item->{status} = $item->{wthdrawn} . "-" . $item->{itemlost} . "-" . $item->{damaged} . "-" . $item->{notforloan};
|
|
$other_count++;
|
|
|
|
my $key = $prefix . $item->{status};
|
|
foreach (qw(wthdrawn itemlost damaged branchname itemcallnumber)) {
|
|
$other_items->{$key}->{$_} = $item->{$_};
|
|
}
|
|
$other_items->{$key}->{notforloan} = GetAuthorisedValueDesc('','',$item->{notforloan},'','',$notforloan_authorised_value) if $notforloan_authorised_value;
|
|
$other_items->{$key}->{count}++ if $item->{homebranch};
|
|
$other_items->{$key}->{location} = $shelflocations->{ $item->{location} };
|
|
$other_items->{$key}->{imageurl} = getitemtypeimagesrc() . "/" . $itemtypes{ $item->{itype} }->{imageurl};
|
|
}
|
|
# item is available
|
|
else {
|
|
$can_place_holds = 1;
|
|
$available_count++;
|
|
$available_items->{$prefix}->{count}++ if $item->{homebranch};
|
|
foreach (qw(branchname itemcallnumber)) {
|
|
$available_items->{$prefix}->{$_} = $item->{$_};
|
|
}
|
|
$available_items->{$prefix}->{location} = $shelflocations->{ $item->{location} };
|
|
$available_items->{$prefix}->{imageurl} = getitemtypeimagesrc() . "/" . $itemtypes{ $item->{itype} }->{imageurl};
|
|
}
|
|
}
|
|
} # notforloan, item level and biblioitem level
|
|
my ( $availableitemscount, $onloanitemscount, $otheritemscount );
|
|
$maxitems =
|
|
( C4::Context->preference('maxItemsinSearchResults') )
|
|
? C4::Context->preference('maxItemsinSearchResults') - 1
|
|
: 1;
|
|
for my $key ( sort keys %$onloan_items ) {
|
|
(++$onloanitemscount > $maxitems) and last;
|
|
push @onloan_items_loop, $onloan_items->{$key};
|
|
}
|
|
for my $key ( sort keys %$other_items ) {
|
|
(++$otheritemscount > $maxitems) and last;
|
|
push @other_items_loop, $other_items->{$key};
|
|
}
|
|
for my $key ( sort keys %$available_items ) {
|
|
(++$availableitemscount > $maxitems) and last;
|
|
push @available_items_loop, $available_items->{$key}
|
|
}
|
|
|
|
# XSLT processing of some stuff
|
|
if (C4::Context->preference("XSLTResultsDisplay") ) {
|
|
my $newxmlrecord = XSLTParse4Display($oldbiblio->{biblionumber},C4::Context->config('opachtdocs')."/prog/en/xslt/MARC21slim2OPACResults.xsl");
|
|
$oldbiblio->{XSLTResultsRecord} = $newxmlrecord;
|
|
}
|
|
|
|
# last check for norequest : if itemtype is notforloan, it can't be reserved either, whatever the items
|
|
$can_place_holds = 0
|
|
if $itemtypes{ $oldbiblio->{itemtype} }->{notforloan};
|
|
$oldbiblio->{norequests} = 1 unless $can_place_holds;
|
|
$oldbiblio->{itemsplural} = 1 if $items_count > 1;
|
|
$oldbiblio->{items_count} = $items_count;
|
|
$oldbiblio->{available_items_loop} = \@available_items_loop;
|
|
$oldbiblio->{onloan_items_loop} = \@onloan_items_loop;
|
|
$oldbiblio->{other_items_loop} = \@other_items_loop;
|
|
$oldbiblio->{availablecount} = $available_count;
|
|
$oldbiblio->{availableplural} = 1 if $available_count > 1;
|
|
$oldbiblio->{onloancount} = $onloan_count;
|
|
$oldbiblio->{onloanplural} = 1 if $onloan_count > 1;
|
|
$oldbiblio->{othercount} = $other_count;
|
|
$oldbiblio->{otherplural} = 1 if $other_count > 1;
|
|
$oldbiblio->{wthdrawncount} = $wthdrawn_count;
|
|
$oldbiblio->{itemlostcount} = $itemlost_count;
|
|
$oldbiblio->{damagedcount} = $itemdamaged_count;
|
|
$oldbiblio->{orderedcount} = $ordered_count;
|
|
$oldbiblio->{isbn} =~
|
|
s/-//g; # deleting - in isbn to enable amazon content
|
|
push( @newresults, $oldbiblio );
|
|
}
|
|
return @newresults;
|
|
}
|
|
|
|
#----------------------------------------------------------------------
|
|
#
|
|
# Non-Zebra GetRecords#
|
|
#----------------------------------------------------------------------
|
|
|
|
=head2 NZgetRecords
|
|
|
|
NZgetRecords has the same API as zera getRecords, even if some parameters are not managed
|
|
|
|
=cut
|
|
|
|
sub NZgetRecords {
|
|
my (
|
|
$query, $simple_query, $sort_by_ref, $servers_ref,
|
|
$results_per_page, $offset, $expanded_facet, $branches,
|
|
$query_type, $scan
|
|
) = @_;
|
|
warn "query =$query" if $DEBUG;
|
|
my $result = NZanalyse($query);
|
|
warn "results =$result" if $DEBUG;
|
|
return ( undef,
|
|
NZorder( $result, @$sort_by_ref[0], $results_per_page, $offset ),
|
|
undef );
|
|
}
|
|
|
|
=head2 NZanalyse
|
|
|
|
NZanalyse : get a CQL string as parameter, and returns a list of biblionumber;title,biblionumber;title,...
|
|
the list is built from an inverted index in the nozebra SQL table
|
|
note that title is here only for convenience : the sorting will be very fast when requested on title
|
|
if the sorting is requested on something else, we will have to reread all results, and that may be longer.
|
|
|
|
=cut
|
|
|
|
sub NZanalyse {
|
|
my ( $string, $server ) = @_;
|
|
# warn "---------" if $DEBUG;
|
|
warn " NZanalyse" if $DEBUG;
|
|
# warn "---------" if $DEBUG;
|
|
|
|
# $server contains biblioserver or authorities, depending on what we search on.
|
|
#warn "querying : $string on $server";
|
|
$server = 'biblioserver' unless $server;
|
|
|
|
# if we have a ", replace the content to discard temporarily any and/or/not inside
|
|
my $commacontent;
|
|
if ( $string =~ /"/ ) {
|
|
$string =~ s/"(.*?)"/__X__/;
|
|
$commacontent = $1;
|
|
warn "commacontent : $commacontent" if $DEBUG;
|
|
}
|
|
|
|
# split the query string in 3 parts : X AND Y means : $left="X", $operand="AND" and $right="Y"
|
|
# then, call again NZanalyse with $left and $right
|
|
# (recursive until we find a leaf (=> something without and/or/not)
|
|
# delete repeated operator... Would then go in infinite loop
|
|
while ( $string =~ s/( and| or| not| AND| OR| NOT)\1/$1/g ) {
|
|
}
|
|
|
|
#process parenthesis before.
|
|
if ( $string =~ /^\s*\((.*)\)(( and | or | not | AND | OR | NOT )(.*))?/ ) {
|
|
my $left = $1;
|
|
my $right = $4;
|
|
my $operator = lc($3); # FIXME: and/or/not are operators, not operands
|
|
warn
|
|
"dealing w/parenthesis before recursive sub call. left :$left operator:$operator right:$right"
|
|
if $DEBUG;
|
|
my $leftresult = NZanalyse( $left, $server );
|
|
if ($operator) {
|
|
my $rightresult = NZanalyse( $right, $server );
|
|
|
|
# OK, we have the results for right and left part of the query
|
|
# depending of operand, intersect, union or exclude both lists
|
|
# to get a result list
|
|
if ( $operator eq ' and ' ) {
|
|
return NZoperatorAND($leftresult,$rightresult);
|
|
}
|
|
elsif ( $operator eq ' or ' ) {
|
|
|
|
# just merge the 2 strings
|
|
return $leftresult . $rightresult;
|
|
}
|
|
elsif ( $operator eq ' not ' ) {
|
|
return NZoperatorNOT($leftresult,$rightresult);
|
|
}
|
|
}
|
|
else {
|
|
# this error is impossible, because of the regexp that isolate the operand, but just in case...
|
|
return $leftresult;
|
|
}
|
|
}
|
|
warn "string :" . $string if $DEBUG;
|
|
$string =~ /(.*?)( and | or | not | AND | OR | NOT )(.*)/;
|
|
my $left = $1;
|
|
my $right = $3;
|
|
my $operator = lc($2); # FIXME: and/or/not are operators, not operands
|
|
warn "no parenthesis. left : $left operator: $operator right: $right"
|
|
if $DEBUG;
|
|
|
|
# it's not a leaf, we have a and/or/not
|
|
if ($operator) {
|
|
|
|
# reintroduce comma content if needed
|
|
$right =~ s/__X__/"$commacontent"/ if $commacontent;
|
|
$left =~ s/__X__/"$commacontent"/ if $commacontent;
|
|
warn "node : $left / $operator / $right\n" if $DEBUG;
|
|
my $leftresult = NZanalyse( $left, $server );
|
|
my $rightresult = NZanalyse( $right, $server );
|
|
warn " leftresult : $leftresult" if $DEBUG;
|
|
warn " rightresult : $rightresult" if $DEBUG;
|
|
# OK, we have the results for right and left part of the query
|
|
# depending of operand, intersect, union or exclude both lists
|
|
# to get a result list
|
|
if ( $operator eq ' and ' ) {
|
|
warn "NZAND";
|
|
return NZoperatorAND($leftresult,$rightresult);
|
|
}
|
|
elsif ( $operator eq ' or ' ) {
|
|
|
|
# just merge the 2 strings
|
|
return $leftresult . $rightresult;
|
|
}
|
|
elsif ( $operator eq ' not ' ) {
|
|
return NZoperatorNOT($leftresult,$rightresult);
|
|
}
|
|
else {
|
|
|
|
# this error is impossible, because of the regexp that isolate the operand, but just in case...
|
|
die "error : operand unknown : $operator for $string";
|
|
}
|
|
|
|
# it's a leaf, do the real SQL query and return the result
|
|
}
|
|
else {
|
|
$string =~ s/__X__/"$commacontent"/ if $commacontent;
|
|
$string =~ s/-|\.|\?|,|;|!|'|\(|\)|\[|\]|{|}|"|&|\+|\*|\// /g;
|
|
#remove trailing blank at the beginning
|
|
$string =~ s/^ //g;
|
|
warn "leaf:$string" if $DEBUG;
|
|
|
|
# parse the string in in operator/operand/value again
|
|
$string =~ /(.*)(>=|<=)(.*)/;
|
|
my $left = $1;
|
|
my $operator = $2;
|
|
my $right = $3;
|
|
# warn "handling leaf... left:$left operator:$operator right:$right"
|
|
# if $DEBUG;
|
|
unless ($operator) {
|
|
$string =~ /(.*)(>|<|=)(.*)/;
|
|
$left = $1;
|
|
$operator = $2;
|
|
$right = $3;
|
|
warn
|
|
"handling unless (operator)... left:$left operator:$operator right:$right"
|
|
if $DEBUG;
|
|
}
|
|
my $results;
|
|
|
|
# strip adv, zebra keywords, currently not handled in nozebra: wrdl, ext, phr...
|
|
$left =~ s/ .*$//;
|
|
|
|
# automatic replace for short operators
|
|
$left = 'title' if $left =~ '^ti$';
|
|
$left = 'author' if $left =~ '^au$';
|
|
$left = 'publisher' if $left =~ '^pb$';
|
|
$left = 'subject' if $left =~ '^su$';
|
|
$left = 'koha-Auth-Number' if $left =~ '^an$';
|
|
$left = 'keyword' if $left =~ '^kw$';
|
|
warn "handling leaf... left:$left operator:$operator right:$right" if $DEBUG;
|
|
if ( $operator && $left ne 'keyword' ) {
|
|
|
|
#do a specific search
|
|
my $dbh = C4::Context->dbh;
|
|
$operator = 'LIKE' if $operator eq '=' and $right =~ /%/;
|
|
my $sth =
|
|
$dbh->prepare(
|
|
"SELECT biblionumbers,value FROM nozebra WHERE server=? AND indexname=? AND value $operator ?"
|
|
);
|
|
warn "$left / $operator / $right\n" if $DEBUG;
|
|
|
|
# split each word, query the DB and build the biblionumbers result
|
|
#sanitizing leftpart
|
|
$left =~ s/^\s+|\s+$//;
|
|
foreach ( split / /, $right ) {
|
|
my $biblionumbers;
|
|
$_ =~ s/^\s+|\s+$//;
|
|
next unless $_;
|
|
warn "EXECUTE : $server, $left, $_" if $DEBUG;
|
|
$sth->execute( $server, $left, $_ )
|
|
or warn "execute failed: $!";
|
|
while ( my ( $line, $value ) = $sth->fetchrow ) {
|
|
|
|
# if we are dealing with a numeric value, use only numeric results (in case of >=, <=, > or <)
|
|
# otherwise, fill the result
|
|
$biblionumbers .= $line
|
|
unless ( $right =~ /^\d+$/ && $value =~ /\D/ );
|
|
warn "result : $value "
|
|
. ( $right =~ /\d/ ) . "=="
|
|
. ( $value =~ /\D/?$line:"" ) if $DEBUG; #= $line";
|
|
}
|
|
|
|
# do a AND with existing list if there is one, otherwise, use the biblionumbers list as 1st result list
|
|
if ($results) {
|
|
warn "NZAND" if $DEBUG;
|
|
$results = NZoperatorAND($biblionumbers,$results);
|
|
}
|
|
else {
|
|
$results = $biblionumbers;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
|
|
#do a complete search (all indexes), if index='kw' do complete search too.
|
|
my $dbh = C4::Context->dbh;
|
|
my $sth =
|
|
$dbh->prepare(
|
|
"SELECT biblionumbers FROM nozebra WHERE server=? AND value LIKE ?"
|
|
);
|
|
|
|
# split each word, query the DB and build the biblionumbers result
|
|
foreach ( split / /, $string ) {
|
|
next if C4::Context->stopwords->{ uc($_) }; # skip if stopword
|
|
warn "search on all indexes on $_" if $DEBUG;
|
|
my $biblionumbers;
|
|
next unless $_;
|
|
$sth->execute( $server, $_ );
|
|
while ( my $line = $sth->fetchrow ) {
|
|
$biblionumbers .= $line;
|
|
}
|
|
|
|
# do a AND with existing list if there is one, otherwise, use the biblionumbers list as 1st result list
|
|
if ($results) {
|
|
$results = NZoperatorAND($biblionumbers,$results);
|
|
}
|
|
else {
|
|
warn "NEW RES for $_ = $biblionumbers" if $DEBUG;
|
|
$results = $biblionumbers;
|
|
}
|
|
}
|
|
}
|
|
warn "return : $results for LEAF : $string" if $DEBUG;
|
|
return $results;
|
|
}
|
|
warn "---------\nLeave NZanalyse\n---------" if $DEBUG;
|
|
}
|
|
|
|
sub NZoperatorAND{
|
|
my ($rightresult, $leftresult)=@_;
|
|
|
|
my @leftresult = split /;/, $leftresult;
|
|
warn " @leftresult / $rightresult \n" if $DEBUG;
|
|
|
|
# my @rightresult = split /;/,$leftresult;
|
|
my $finalresult;
|
|
|
|
# parse the left results, and if the biblionumber exist in the right result, save it in finalresult
|
|
# the result is stored twice, to have the same weight for AND than OR.
|
|
# example : TWO : 61,61,64,121 (two is twice in the biblio #61) / TOWER : 61,64,130
|
|
# result : 61,61,61,61,64,64 for two AND tower : 61 has more weight than 64
|
|
foreach (@leftresult) {
|
|
my $value = $_;
|
|
my $countvalue;
|
|
( $value, $countvalue ) = ( $1, $2 ) if ($value=~/(.*)-(\d+)$/);
|
|
if ( $rightresult =~ /\Q$value\E-(\d+);/ ) {
|
|
$countvalue = ( $1 > $countvalue ? $countvalue : $1 );
|
|
$finalresult .=
|
|
"$value-$countvalue;$value-$countvalue;";
|
|
}
|
|
}
|
|
warn "NZAND DONE : $finalresult \n" if $DEBUG;
|
|
return $finalresult;
|
|
}
|
|
|
|
sub NZoperatorOR{
|
|
my ($rightresult, $leftresult)=@_;
|
|
return $rightresult.$leftresult;
|
|
}
|
|
|
|
sub NZoperatorNOT{
|
|
my ($rightresult, $leftresult)=@_;
|
|
|
|
my @leftresult = split /;/, $leftresult;
|
|
|
|
# my @rightresult = split /;/,$leftresult;
|
|
my $finalresult;
|
|
foreach (@leftresult) {
|
|
my $value=$_;
|
|
$value=$1 if $value=~m/(.*)-\d+$/;
|
|
unless ($rightresult =~ "$value-") {
|
|
$finalresult .= "$_;";
|
|
}
|
|
}
|
|
return $finalresult;
|
|
}
|
|
|
|
=head2 NZorder
|
|
|
|
$finalresult = NZorder($biblionumbers, $ordering,$results_per_page,$offset);
|
|
|
|
TODO :: Description
|
|
|
|
=cut
|
|
|
|
sub NZorder {
|
|
my ( $biblionumbers, $ordering, $results_per_page, $offset ) = @_;
|
|
warn "biblionumbers = $biblionumbers and ordering = $ordering\n" if $DEBUG;
|
|
|
|
# order title asc by default
|
|
# $ordering = '1=36 <i' unless $ordering;
|
|
$results_per_page = 20 unless $results_per_page;
|
|
$offset = 0 unless $offset;
|
|
my $dbh = C4::Context->dbh;
|
|
|
|
#
|
|
# order by POPULARITY
|
|
#
|
|
if ( $ordering =~ /popularity/ ) {
|
|
my %result;
|
|
my %popularity;
|
|
|
|
# popularity is not in MARC record, it's builded from a specific query
|
|
my $sth =
|
|
$dbh->prepare("select sum(issues) from items where biblionumber=?");
|
|
foreach ( split /;/, $biblionumbers ) {
|
|
my ( $biblionumber, $title ) = split /,/, $_;
|
|
$result{$biblionumber} = GetMarcBiblio($biblionumber);
|
|
$sth->execute($biblionumber);
|
|
my $popularity = $sth->fetchrow || 0;
|
|
|
|
# hint : the key is popularity.title because we can have
|
|
# many results with the same popularity. In this cas, sub-ordering is done by title
|
|
# we also have biblionumber to avoid bug for 2 biblios with the same title & popularity
|
|
# (un-frequent, I agree, but we won't forget anything that way ;-)
|
|
$popularity{ sprintf( "%10d", $popularity ) . $title
|
|
. $biblionumber } = $biblionumber;
|
|
}
|
|
|
|
# sort the hash and return the same structure as GetRecords (Zebra querying)
|
|
my $result_hash;
|
|
my $numbers = 0;
|
|
if ( $ordering eq 'popularity_dsc' ) { # sort popularity DESC
|
|
foreach my $key ( sort { $b cmp $a } ( keys %popularity ) ) {
|
|
$result_hash->{'RECORDS'}[ $numbers++ ] =
|
|
$result{ $popularity{$key} }->as_usmarc();
|
|
}
|
|
}
|
|
else { # sort popularity ASC
|
|
foreach my $key ( sort ( keys %popularity ) ) {
|
|
$result_hash->{'RECORDS'}[ $numbers++ ] =
|
|
$result{ $popularity{$key} }->as_usmarc();
|
|
}
|
|
}
|
|
my $finalresult = ();
|
|
$result_hash->{'hits'} = $numbers;
|
|
$finalresult->{'biblioserver'} = $result_hash;
|
|
return $finalresult;
|
|
|
|
#
|
|
# ORDER BY author
|
|
#
|
|
}
|
|
elsif ( $ordering =~ /author/ ) {
|
|
my %result;
|
|
foreach ( split /;/, $biblionumbers ) {
|
|
my ( $biblionumber, $title ) = split /,/, $_;
|
|
my $record = GetMarcBiblio($biblionumber);
|
|
my $author;
|
|
if ( C4::Context->preference('marcflavour') eq 'UNIMARC' ) {
|
|
$author = $record->subfield( '200', 'f' );
|
|
$author = $record->subfield( '700', 'a' ) unless $author;
|
|
}
|
|
else {
|
|
$author = $record->subfield( '100', 'a' );
|
|
}
|
|
|
|
# hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
|
|
# and we don't want to get only 1 result for each of them !!!
|
|
$result{ $author . $biblionumber } = $record;
|
|
}
|
|
|
|
# sort the hash and return the same structure as GetRecords (Zebra querying)
|
|
my $result_hash;
|
|
my $numbers = 0;
|
|
if ( $ordering eq 'author_za' ) { # sort by author desc
|
|
foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
|
|
$result_hash->{'RECORDS'}[ $numbers++ ] =
|
|
$result{$key}->as_usmarc();
|
|
}
|
|
}
|
|
else { # sort by author ASC
|
|
foreach my $key ( sort ( keys %result ) ) {
|
|
$result_hash->{'RECORDS'}[ $numbers++ ] =
|
|
$result{$key}->as_usmarc();
|
|
}
|
|
}
|
|
my $finalresult = ();
|
|
$result_hash->{'hits'} = $numbers;
|
|
$finalresult->{'biblioserver'} = $result_hash;
|
|
return $finalresult;
|
|
|
|
#
|
|
# ORDER BY callnumber
|
|
#
|
|
}
|
|
elsif ( $ordering =~ /callnumber/ ) {
|
|
my %result;
|
|
foreach ( split /;/, $biblionumbers ) {
|
|
my ( $biblionumber, $title ) = split /,/, $_;
|
|
my $record = GetMarcBiblio($biblionumber);
|
|
my $callnumber;
|
|
my ( $callnumber_tag, $callnumber_subfield ) =
|
|
GetMarcFromKohaField( $dbh, 'items.itemcallnumber' );
|
|
( $callnumber_tag, $callnumber_subfield ) =
|
|
GetMarcFromKohaField('biblioitems.callnumber')
|
|
unless $callnumber_tag;
|
|
if ( C4::Context->preference('marcflavour') eq 'UNIMARC' ) {
|
|
$callnumber = $record->subfield( '200', 'f' );
|
|
}
|
|
else {
|
|
$callnumber = $record->subfield( '100', 'a' );
|
|
}
|
|
|
|
# hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
|
|
# and we don't want to get only 1 result for each of them !!!
|
|
$result{ $callnumber . $biblionumber } = $record;
|
|
}
|
|
|
|
# sort the hash and return the same structure as GetRecords (Zebra querying)
|
|
my $result_hash;
|
|
my $numbers = 0;
|
|
if ( $ordering eq 'call_number_dsc' ) { # sort by title desc
|
|
foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
|
|
$result_hash->{'RECORDS'}[ $numbers++ ] =
|
|
$result{$key}->as_usmarc();
|
|
}
|
|
}
|
|
else { # sort by title ASC
|
|
foreach my $key ( sort { $a cmp $b } ( keys %result ) ) {
|
|
$result_hash->{'RECORDS'}[ $numbers++ ] =
|
|
$result{$key}->as_usmarc();
|
|
}
|
|
}
|
|
my $finalresult = ();
|
|
$result_hash->{'hits'} = $numbers;
|
|
$finalresult->{'biblioserver'} = $result_hash;
|
|
return $finalresult;
|
|
}
|
|
elsif ( $ordering =~ /pubdate/ ) { #pub year
|
|
my %result;
|
|
foreach ( split /;/, $biblionumbers ) {
|
|
my ( $biblionumber, $title ) = split /,/, $_;
|
|
my $record = GetMarcBiblio($biblionumber);
|
|
my ( $publicationyear_tag, $publicationyear_subfield ) =
|
|
GetMarcFromKohaField( 'biblioitems.publicationyear', '' );
|
|
my $publicationyear =
|
|
$record->subfield( $publicationyear_tag,
|
|
$publicationyear_subfield );
|
|
|
|
# hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
|
|
# and we don't want to get only 1 result for each of them !!!
|
|
$result{ $publicationyear . $biblionumber } = $record;
|
|
}
|
|
|
|
# sort the hash and return the same structure as GetRecords (Zebra querying)
|
|
my $result_hash;
|
|
my $numbers = 0;
|
|
if ( $ordering eq 'pubdate_dsc' ) { # sort by pubyear desc
|
|
foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
|
|
$result_hash->{'RECORDS'}[ $numbers++ ] =
|
|
$result{$key}->as_usmarc();
|
|
}
|
|
}
|
|
else { # sort by pub year ASC
|
|
foreach my $key ( sort ( keys %result ) ) {
|
|
$result_hash->{'RECORDS'}[ $numbers++ ] =
|
|
$result{$key}->as_usmarc();
|
|
}
|
|
}
|
|
my $finalresult = ();
|
|
$result_hash->{'hits'} = $numbers;
|
|
$finalresult->{'biblioserver'} = $result_hash;
|
|
return $finalresult;
|
|
|
|
#
|
|
# ORDER BY title
|
|
#
|
|
}
|
|
elsif ( $ordering =~ /title/ ) {
|
|
|
|
# the title is in the biblionumbers string, so we just need to build a hash, sort it and return
|
|
my %result;
|
|
foreach ( split /;/, $biblionumbers ) {
|
|
my ( $biblionumber, $title ) = split /,/, $_;
|
|
|
|
# hint : the result is sorted by title.biblionumber because we can have X biblios with the same title
|
|
# and we don't want to get only 1 result for each of them !!!
|
|
# hint & speed improvement : we can order without reading the record
|
|
# so order, and read records only for the requested page !
|
|
$result{ $title . $biblionumber } = $biblionumber;
|
|
}
|
|
|
|
# sort the hash and return the same structure as GetRecords (Zebra querying)
|
|
my $result_hash;
|
|
my $numbers = 0;
|
|
if ( $ordering eq 'title_az' ) { # sort by title desc
|
|
foreach my $key ( sort ( keys %result ) ) {
|
|
$result_hash->{'RECORDS'}[ $numbers++ ] = $result{$key};
|
|
}
|
|
}
|
|
else { # sort by title ASC
|
|
foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
|
|
$result_hash->{'RECORDS'}[ $numbers++ ] = $result{$key};
|
|
}
|
|
}
|
|
|
|
# limit the $results_per_page to result size if it's more
|
|
$results_per_page = $numbers - 1 if $numbers < $results_per_page;
|
|
|
|
# for the requested page, replace biblionumber by the complete record
|
|
# speed improvement : avoid reading too much things
|
|
for (
|
|
my $counter = $offset ;
|
|
$counter <= $offset + $results_per_page ;
|
|
$counter++
|
|
)
|
|
{
|
|
$result_hash->{'RECORDS'}[$counter] =
|
|
GetMarcBiblio( $result_hash->{'RECORDS'}[$counter] )->as_usmarc;
|
|
}
|
|
my $finalresult = ();
|
|
$result_hash->{'hits'} = $numbers;
|
|
$finalresult->{'biblioserver'} = $result_hash;
|
|
return $finalresult;
|
|
}
|
|
else {
|
|
|
|
#
|
|
# order by ranking
|
|
#
|
|
# we need 2 hashes to order by ranking : the 1st one to count the ranking, the 2nd to order by ranking
|
|
my %result;
|
|
my %count_ranking;
|
|
foreach ( split /;/, $biblionumbers ) {
|
|
my ( $biblionumber, $title ) = split /,/, $_;
|
|
$title =~ /(.*)-(\d)/;
|
|
|
|
# get weight
|
|
my $ranking = $2;
|
|
|
|
# note that we + the ranking because ranking is calculated on weight of EACH term requested.
|
|
# if we ask for "two towers", and "two" has weight 2 in biblio N, and "towers" has weight 4 in biblio N
|
|
# biblio N has ranking = 6
|
|
$count_ranking{$biblionumber} += $ranking;
|
|
}
|
|
|
|
# build the result by "inverting" the count_ranking hash
|
|
# 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
|
|
# warn "counting";
|
|
foreach ( keys %count_ranking ) {
|
|
$result{ sprintf( "%10d", $count_ranking{$_} ) . '-' . $_ } = $_;
|
|
}
|
|
|
|
# sort the hash and return the same structure as GetRecords (Zebra querying)
|
|
my $result_hash;
|
|
my $numbers = 0;
|
|
foreach my $key ( sort { $b cmp $a } ( keys %result ) ) {
|
|
$result_hash->{'RECORDS'}[ $numbers++ ] = $result{$key};
|
|
}
|
|
|
|
# limit the $results_per_page to result size if it's more
|
|
$results_per_page = $numbers - 1 if $numbers < $results_per_page;
|
|
|
|
# for the requested page, replace biblionumber by the complete record
|
|
# speed improvement : avoid reading too much things
|
|
for (
|
|
my $counter = $offset ;
|
|
$counter <= $offset + $results_per_page ;
|
|
$counter++
|
|
)
|
|
{
|
|
$result_hash->{'RECORDS'}[$counter] =
|
|
GetMarcBiblio( $result_hash->{'RECORDS'}[$counter] )->as_usmarc
|
|
if $result_hash->{'RECORDS'}[$counter];
|
|
}
|
|
my $finalresult = ();
|
|
$result_hash->{'hits'} = $numbers;
|
|
$finalresult->{'biblioserver'} = $result_hash;
|
|
return $finalresult;
|
|
}
|
|
}
|
|
|
|
=head2 ModBiblios
|
|
|
|
($countchanged,$listunchanged) = ModBiblios($listbiblios, $tagsubfield,$initvalue,$targetvalue,$test);
|
|
|
|
this function changes all the values $initvalue in subfield $tag$subfield in any record in $listbiblios
|
|
test parameter if set donot perform change to records in database.
|
|
|
|
=over 2
|
|
|
|
=item C<input arg:>
|
|
|
|
* $listbiblios is an array ref to marcrecords to be changed
|
|
* $tagsubfield is the reference of the subfield to change.
|
|
* $initvalue is the value to search the record for
|
|
* $targetvalue is the value to set the subfield to
|
|
* $test is to be set only not to perform changes in database.
|
|
|
|
=item C<Output arg:>
|
|
* $countchanged counts all the changes performed.
|
|
* $listunchanged contains the list of all the biblionumbers of records unchanged.
|
|
|
|
=item C<usage in the script:>
|
|
|
|
=back
|
|
|
|
my ($countchanged, $listunchanged) = EditBiblios($results->{RECORD}, $tagsubfield,$initvalue,$targetvalue);;
|
|
#If one wants to display unchanged records, you should get biblios foreach @$listunchanged
|
|
$template->param(countchanged => $countchanged, loopunchanged=>$listunchanged);
|
|
|
|
=cut
|
|
|
|
sub ModBiblios {
|
|
my ( $listbiblios, $tagsubfield, $initvalue, $targetvalue, $test ) = @_;
|
|
my $countmatched;
|
|
my @unmatched;
|
|
my ( $tag, $subfield ) = ( $1, $2 )
|
|
if ( $tagsubfield =~ /^(\d{1,3})([a-z0-9A-Z@])?$/ );
|
|
if ( ( length($tag) < 3 ) && $subfield =~ /0-9/ ) {
|
|
$tag = $tag . $subfield;
|
|
undef $subfield;
|
|
}
|
|
my ( $bntag, $bnsubf ) = GetMarcFromKohaField('biblio.biblionumber');
|
|
my ( $itemtag, $itemsubf ) = GetMarcFromKohaField('items.itemnumber');
|
|
if ($tag eq $itemtag) {
|
|
# do not allow the embedded item tag to be
|
|
# edited from here
|
|
warn "Attempting to edit item tag via C4::Search::ModBiblios -- not allowed";
|
|
return (0, []);
|
|
}
|
|
foreach my $usmarc (@$listbiblios) {
|
|
my $record;
|
|
$record = eval { MARC::Record->new_from_usmarc($usmarc) };
|
|
my $biblionumber;
|
|
if ($@) {
|
|
|
|
# usmarc is not a valid usmarc May be a biblionumber
|
|
# FIXME - sorry, please let's figure out whether
|
|
# this function is to be passed a list of
|
|
# record numbers or a list of MARC::Record
|
|
# objects. The former is probably better
|
|
# because the MARC records supplied by Zebra
|
|
# may be not current.
|
|
$record = GetMarcBiblio($usmarc);
|
|
$biblionumber = $usmarc;
|
|
}
|
|
else {
|
|
if ( $bntag >= 010 ) {
|
|
$biblionumber = $record->subfield( $bntag, $bnsubf );
|
|
}
|
|
else {
|
|
$biblionumber = $record->field($bntag)->data;
|
|
}
|
|
}
|
|
|
|
#GetBiblionumber is to be written.
|
|
#Could be replaced by TransformMarcToKoha (But Would be longer)
|
|
if ( $record->field($tag) ) {
|
|
my $modify = 0;
|
|
foreach my $field ( $record->field($tag) ) {
|
|
if ($subfield) {
|
|
if (
|
|
$field->delete_subfield(
|
|
'code' => $subfield,
|
|
'match' => qr($initvalue)
|
|
)
|
|
)
|
|
{
|
|
$countmatched++;
|
|
$modify = 1;
|
|
$field->update( $subfield, $targetvalue )
|
|
if ($targetvalue);
|
|
}
|
|
}
|
|
else {
|
|
if ( $tag >= 010 ) {
|
|
if ( $field->delete_field($field) ) {
|
|
$countmatched++;
|
|
$modify = 1;
|
|
}
|
|
}
|
|
else {
|
|
$field->data = $targetvalue
|
|
if ( $field->data =~ qr($initvalue) );
|
|
}
|
|
}
|
|
}
|
|
|
|
# warn $record->as_formatted;
|
|
if ($modify) {
|
|
ModBiblio( $record, $biblionumber,
|
|
GetFrameworkCode($biblionumber) )
|
|
unless ($test);
|
|
}
|
|
else {
|
|
push @unmatched, $biblionumber;
|
|
}
|
|
}
|
|
else {
|
|
push @unmatched, $biblionumber;
|
|
}
|
|
}
|
|
return ( $countmatched, \@unmatched );
|
|
}
|
|
|
|
END { } # module clean-up code here (global destructor)
|
|
|
|
1;
|
|
__END__
|
|
|
|
=head1 AUTHOR
|
|
|
|
Koha Developement team <info@koha.org>
|
|
|
|
=cut
|