152 lines
4.6 KiB
Perl
152 lines
4.6 KiB
Perl
package C4::XSLT;
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# Copyright (C) 2006 LibLime
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# <jmf at liblime dot com>
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#
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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 C4::Context;
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use C4::Branch;
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use C4::Items;
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use C4::Koha;
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use C4::Biblio;
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use XML::LibXML;
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use XML::LibXSLT;
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use strict;
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use vars qw($VERSION @ISA @EXPORT);
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BEGIN {
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require Exporter;
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$VERSION = 0.03;
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@ISA = qw(Exporter);
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@EXPORT = qw(
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&XSLTParse4Display
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);
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}
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=head1 NAME
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C4::XSLT - Functions for displaying XSLT-generated content
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=head1 FUNCTIONS
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=head1 transformMARCXML4XSLT
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=head2 replaces codes with authorized values in a MARCXML record
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=cut
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sub transformMARCXML4XSLT {
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my ($biblionumber) = @_;
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my $record = GetMarcBiblio($biblionumber);
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my $biblio = GetBiblioData($biblionumber);
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my $frameworkcode = GetFrameworkCode($biblionumber);
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my $tagslib = &GetMarcStructure(1,$frameworkcode);
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my @fields = $record->fields();
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my $list_of_authvalues = getAuthorisedValues4MARCSubfields($frameworkcode);
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for my $authvalue (@$list_of_authvalues) {
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for my $field ( $record->field($authvalue->{tagfield}) ) {
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my @newSubfields = ();
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for my $subfield ( $field->subfields() ) {
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my ($code,$data) = @$subfield;
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unless ($code eq $authvalue->{tagsubfield}) {
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push ( @newSubfields, $code, $data );
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} else {
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my $newvalue = GetAuthorisedValueDesc( $authvalue->{tagfield}, $code, $data, '', $tagslib );
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push ( @newSubfields, $code, $newvalue );
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}
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}
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my $newField = MARC::Field->new(
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$authvalue->{tagfield},
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$field->indicator(1),
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$field->indicator(2),
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$authvalue->{tagsubfield} => @newSubfields
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);
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$field->replace_with($newField);
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}
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}
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return $record;
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}
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=head1 getAuthorisedValues4MARCSubfields
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=head2 returns an array of hash refs for authorised value tag/subfield combos for a given framework
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=cut
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sub getAuthorisedValues4MARCSubfields {
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my ($frameworkcode) = @_;
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my @results;
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my $dbh = C4::Context->dbh;
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my $sth = $dbh->prepare("SELECT DISTINCT tagfield,tagsubfield FROM marc_subfield_structure WHERE authorised_value IS NOT NULL AND authorised_value!='' AND frameworkcode=?");
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$sth->execute($frameworkcode);
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while (my $result = $sth->fetchrow_hashref()) {
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push @results, $result;
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}
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return \@results;
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}
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sub XSLTParse4Display {
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my ($biblionumber,$type) = @_;
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# grab the XML, run it through our stylesheet, push it out to the browser
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my $record = transformMARCXML4XSLT($biblionumber);
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my $itemsxml = buildKohaItemsNamespace($biblionumber);
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my $xmlrecord = $record->as_xml();
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$xmlrecord =~ s/\<\/record\>/$itemsxml\<\/record\>/;
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my $xslfile = C4::Context->config('intranetdir')."/koha-tmpl/opac-tmpl/prog/en/xslt/MARC21slim2OPAC$type.xsl";
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my $parser = XML::LibXML->new();
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# don't die when you find &, >, etc
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$parser->recover_silently(1);
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my $xslt = XML::LibXSLT->new();
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my $source = $parser->parse_string($xmlrecord);
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my $style_doc = $parser->parse_file($xslfile);
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my $stylesheet = $xslt->parse_stylesheet($style_doc);
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my $results = $stylesheet->transform($source);
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my $newxmlrecord = $stylesheet->output_string($results);
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return $newxmlrecord;
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}
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sub buildKohaItemsNamespace {
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my ($biblionumber) = @_;
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my @items = C4::Items::GetItemsInfo($biblionumber);
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my $branches = GetBranches();
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my $itemtypes = GetItemTypes();
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my $xml;
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for my $item (@items) {
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my $status;
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if ($item->{onloan}) {
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$status = "On loan";
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} else {
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$status = "available";
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}
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$xml.="<item><homebranch>".$branches->{$item->{homebranch}}->{'branchname'}."</homebranch>"."<status>$status</status></item>";
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}
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return "<items xmlns='http://www.koha.org/items'>".$xml."</items>";
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}
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1;
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__END__
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=head1 NOTES
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=head1 AUTHOR
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Joshua Ferraro <jmf@liblime.com>
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=cut
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