package C4::XSLT; # Copyright (C) 2006 LibLime # # 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 = "\n"; foreach my $syspref ( qw/ hidelostitems OPACURLOpenInNewWindow DisplayOPACiconsXSLT URLLinkText viewISBD OPACBaseURL TraceCompleteSubfields UseICU UseAuthoritiesForTracings TraceSubjectSubdivisions Display856uAsImage OPACDisplay856uAsImage UseControlNumber IntranetBiblioDefaultView BiblioDefaultView singleBranchMode OPACItemLocation DisplayIconsXSLT AlternateHoldingsField AlternateHoldingsSeparator TrackClicks / ) { my $sp = C4::Context->preference( $syspref ); next unless defined($sp); $sysxml .= "$sp\n"; } $sysxml .= "\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 $shelflocations = GetKohaAuthorisedValues('items.location',GetFrameworkCode($biblionumber), 'opac'); my $ccodes = GetKohaAuthorisedValues('items.ccode',GetFrameworkCode($biblionumber), 'opac'); my $branches = GetBranches(); my $itemtypes = GetItemTypes(); my $location = ""; my $ccode = ""; my $xml = ''; for my $item (@items) { my $status; my ( $transfertwhen, $transfertfrom, $transfertto ) = C4::Circulation::GetTransfers($item->{itemnumber}); my $reservestatus = C4::Reserves::GetReserveStatus( $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'}):''; $location = xml_escape($shelflocations->{$item->{location}}); $ccode = xml_escape($ccodes->{$item->{ccode}}); my $itemcallnumber = xml_escape($item->{itemcallnumber}); $xml.= "$homebranch". "$location". "$ccode". "$status". "".$itemcallnumber."" . ""; } $xml = "".$xml.""; return $xml; } 1; __END__ =head1 NOTES =cut =head1 AUTHOR Joshua Ferraro =cut