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XSLT.pm
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XSLT.pm
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package C4::XSLT;
# Copyright (C) 2006 LibLime
# <jmf at liblime dot com>
# Parts Copyright Katrin Fischer 2011
# Parts Copyright ByWater Solutions 2011
# Parts Copyright Biblibre 2012
#
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with Koha; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
use strict;
use warnings;
use C4::Context;
use C4::Branch;
use C4::Items;
use C4::Koha;
use C4::Biblio;
use C4::Circulation;
use C4::Reserves;
use Encode;
use XML::LibXML;
use XML::LibXSLT;
use LWP::Simple;
use vars qw($VERSION @ISA @EXPORT);
BEGIN {
require Exporter;
$VERSION = 3.07.00.049;
@ISA = qw(Exporter);
@EXPORT = qw(
&XSLTParse4Display
&GetURI
);
}
=head1 NAME
C4::XSLT - Functions for displaying XSLT-generated content
=head1 FUNCTIONS
=head2 GetURI
GetURI file and returns the xslt as a string
=cut
sub GetURI {
my ($uri) = @_;
my $string;
$string = get $uri ;
return $string;
}
=head2 transformMARCXML4XSLT
Replaces codes with authorized values in a MARC::Record object
=cut
sub transformMARCXML4XSLT {
my ($biblionumber, $record) = @_;
my $frameworkcode = GetFrameworkCode($biblionumber) || '';
my $tagslib = &GetMarcStructure(1,$frameworkcode);
my @fields;
# FIXME: wish there was a better way to handle exceptions
eval {
@fields = $record->fields();
};
if ($@) { warn "PROBLEM WITH RECORD"; next; }
my $av = getAuthorisedValues4MARCSubfields($frameworkcode);
foreach my $tag ( keys %$av ) {
foreach my $field ( $record->field( $tag ) ) {
if ( $av->{ $tag } ) {
my @new_subfields = ();
for my $subfield ( $field->subfields() ) {
my ( $letter, $value ) = @$subfield;
$value = GetAuthorisedValueDesc( $tag, $letter, $value, '', $tagslib )
if $av->{ $tag }->{ $letter };
push( @new_subfields, $letter, $value );
}
$field ->replace_with( MARC::Field->new(
$tag,
$field->indicator(1),
$field->indicator(2),
@new_subfields
) );
}
}
}
return $record;
}
=head2 getAuthorisedValues4MARCSubfields
Returns a ref of hash of ref of hash for tag -> letter controled by authorised values
=cut
# Cache for tagfield-tagsubfield to decode per framework.
# Should be preferably be placed in Koha-core...
my %authval_per_framework;
sub getAuthorisedValues4MARCSubfields {
my ($frameworkcode) = @_;
unless ( $authval_per_framework{ $frameworkcode } ) {
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("SELECT DISTINCT tagfield, tagsubfield
FROM marc_subfield_structure
WHERE authorised_value IS NOT NULL
AND authorised_value!=''
AND frameworkcode=?");
$sth->execute( $frameworkcode );
my $av = { };
while ( my ( $tag, $letter ) = $sth->fetchrow() ) {
$av->{ $tag }->{ $letter } = 1;
}
$authval_per_framework{ $frameworkcode } = $av;
}
return $authval_per_framework{ $frameworkcode };
}
my $stylesheet;
sub XSLTParse4Display {
my ( $biblionumber, $orig_record, $xslsyspref, $fixamps, $hidden_items ) = @_;
my $xslfilename = C4::Context->preference($xslsyspref);
if ( $xslfilename =~ /^\s*"?default"?\s*$/i ) {
my $htdocs;
my $theme;
my $lang = C4::Templates::_current_language();
my $xslfile;
if ($xslsyspref eq "XSLTDetailsDisplay") {
$htdocs = C4::Context->config('intrahtdocs');
$theme = C4::Context->preference("template");
$xslfile = C4::Context->preference('marcflavour') .
"slim2intranetDetail.xsl";
} elsif ($xslsyspref eq "XSLTResultsDisplay") {
$htdocs = C4::Context->config('intrahtdocs');
$theme = C4::Context->preference("template");
$xslfile = C4::Context->preference('marcflavour') .
"slim2intranetResults.xsl";
} elsif ($xslsyspref eq "OPACXSLTDetailsDisplay") {
$htdocs = C4::Context->config('opachtdocs');
$theme = C4::Context->preference("opacthemes");
$xslfile = C4::Context->preference('marcflavour') .
"slim2OPACDetail.xsl";
} elsif ($xslsyspref eq "OPACXSLTResultsDisplay") {
$htdocs = C4::Context->config('opachtdocs');
$theme = C4::Context->preference("opacthemes");
$xslfile = C4::Context->preference('marcflavour') .
"slim2OPACResults.xsl";
}
$xslfilename = "$htdocs/$theme/$lang/xslt/$xslfile";
$xslfilename = "$htdocs/$theme/en/xslt/$xslfile" unless ( $lang ne 'en' && !-f $xslfilename );
$xslfilename = "$htdocs/prog/$lang/xslt/$xslfile" unless ( !-f $xslfilename );
$xslfilename = "$htdocs/prog/en/xslt/$xslfile" unless ( $lang ne 'en' && !-f $xslfilename );
}
if ( $xslfilename =~ m/\{langcode\}/ ) {
my $lang = C4::Templates::_current_language();
$xslfilename =~ s/\{langcode\}/$lang/;
}
# grab the XML, run it through our stylesheet, push it out to the browser
my $record = transformMARCXML4XSLT($biblionumber, $orig_record);
#return $record->as_formatted();
my $itemsxml = buildKohaItemsNamespace($biblionumber, $hidden_items);
my $xmlrecord = $record->as_xml(C4::Context->preference('marcflavour'));
my $sysxml = "<sysprefs>\n";
foreach my $syspref ( qw/ hidelostitems OPACURLOpenInNewWindow
DisplayOPACiconsXSLT URLLinkText viewISBD
OPACBaseURL TraceCompleteSubfields UseICU
UseAuthoritiesForTracings TraceSubjectSubdivisions
Display856uAsImage OPACDisplay856uAsImage
UseControlNumber IntranetBiblioDefaultView BiblioDefaultView
singleBranchMode
AlternateHoldingsField AlternateHoldingsSeparator / )
{
my $sp = C4::Context->preference( $syspref );
next unless defined($sp);
$sysxml .= "<syspref name=\"$syspref\">$sp</syspref>\n";
}
$sysxml .= "</sysprefs>\n";
$xmlrecord =~ s/\<\/record\>/$itemsxml$sysxml\<\/record\>/;
if ($fixamps) { # We need to correct the ampersand entities that Zebra outputs
$xmlrecord =~ s/\&amp;/\&/g;
}
$xmlrecord =~ s/\& /\&\; /;
$xmlrecord =~ s/\&\;amp\; /\&\; /;
my $parser = XML::LibXML->new();
# don't die when you find &, >, etc
$parser->recover_silently(0);
my $source = $parser->parse_string($xmlrecord);
unless ( $stylesheet->{$xslfilename} ) {
my $xslt = XML::LibXSLT->new();
my $style_doc;
if ( $xslfilename =~ /^https?:\/\// ) {
my $xsltstring = GetURI($xslfilename);
$style_doc = $parser->parse_string($xsltstring);
} else {
use Cwd;
$style_doc = $parser->parse_file($xslfilename);
}
$stylesheet->{$xslfilename} = $xslt->parse_stylesheet($style_doc);
}
my $results = $stylesheet->{$xslfilename}->transform($source);
my $newxmlrecord = $stylesheet->{$xslfilename}->output_string($results);
return $newxmlrecord;
}
sub buildKohaItemsNamespace {
my ($biblionumber, $hidden_items) = @_;
my @items = C4::Items::GetItemsInfo($biblionumber);
if ($hidden_items && @$hidden_items) {
my %hi = map {$_ => 1} @$hidden_items;
@items = grep { !$hi{$_->{itemnumber}} } @items;
}
my $branches = GetBranches();
my $itemtypes = GetItemTypes();
my $xml = '';
for my $item (@items) {
my $status;
my ( $transfertwhen, $transfertfrom, $transfertto ) = C4::Circulation::GetTransfers($item->{itemnumber});
my ( $reservestatus, $reserveitem, undef ) = C4::Reserves::CheckReserves($item->{itemnumber});
if ( $itemtypes->{ $item->{itype} }->{notforloan} || $item->{notforloan} || $item->{onloan} || $item->{wthdrawn} || $item->{itemlost} || $item->{damaged} ||
(defined $transfertwhen && $transfertwhen ne '') || $item->{itemnotforloan} || (defined $reservestatus && $reservestatus eq "Waiting") ){
if ( $item->{notforloan} < 0) {
$status = "On order";
}
if ( $item->{itemnotforloan} > 0 || $item->{notforloan} > 0 || $itemtypes->{ $item->{itype} }->{notforloan} == 1 ) {
$status = "reference";
}
if ($item->{onloan}) {
$status = "Checked out";
}
if ( $item->{wthdrawn}) {
$status = "Withdrawn";
}
if ($item->{itemlost}) {
$status = "Lost";
}
if ($item->{damaged}) {
$status = "Damaged";
}
if (defined $transfertwhen && $transfertwhen ne '') {
$status = 'In transit';
}
if (defined $reservestatus && $reservestatus eq "Waiting") {
$status = 'Waiting';
}
} else {
$status = "available";
}
my $homebranch = $item->{homebranch}? xml_escape($branches->{$item->{homebranch}}->{'branchname'}):'';
my $itemcallnumber = xml_escape($item->{itemcallnumber});
$xml.= "<item><homebranch>$homebranch</homebranch>".
"<status>$status</status>".
"<itemcallnumber>".$itemcallnumber."</itemcallnumber>"
. "</item>";
}
$xml = "<items xmlns=\"http://www.koha-community.org/items\">".$xml."</items>";
return $xml;
}
1;
__END__
=head1 NOTES
=cut
=head1 AUTHOR
Joshua Ferraro <jmf@liblime.com>
=cut