Marcel de Rooy
f253c72bc3
In Breeding.pm we let Z3950Search return the xslt handler error codes back
to the template. They are converted to text messages by using an new include
file (added for opac and intranet now). The generic xslt_err code is now
obsoleted.
In Record.pm the errstr call is removed. The croak is done with the new
error code in err. This seems sufficient.
Test plan:
[1] Run Breeding.t
[2] Run Record.t
[3] Add a nonexisting xslt file to one of your Z3950 targets. Search on that
target and check if you see a error 'XSLT file not found'.
The bonus is these error messages are now translatable as they are in
the templates
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Brendan Gallagher <brendan@bywatersolutions.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
898 lines
29 KiB
Perl
898 lines
29 KiB
Perl
package C4::Record;
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#
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# Copyright 2006 (C) LibLime
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# Parts copyright 2010 BibLibre
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# Part copyright 2015 Universidad de El Salvador
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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
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# 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
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# along with Koha; if not, see <http://www.gnu.org/licenses>.
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#
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#
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use strict;
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#use warnings; FIXME - Bug 2505
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# please specify in which methods a given module is used
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use MARC::Record; # marc2marcxml, marcxml2marc, changeEncoding
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use MARC::File::XML; # marc2marcxml, marcxml2marc, changeEncoding
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use Biblio::EndnoteStyle;
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use Unicode::Normalize; # _entity_encode
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use C4::Biblio; #marc2bibtex
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use C4::Koha; #marc2csv
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use C4::XSLT ();
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use YAML; #marcrecords2csv
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use Template;
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use Text::CSV::Encoded; #marc2csv
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use Koha::Items;
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use Koha::SimpleMARC qw(read_field);
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use Koha::XSLT_Handler;
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use Koha::CsvProfiles;
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use Koha::AuthorisedValues;
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use Carp;
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use vars qw(@ISA @EXPORT);
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@ISA = qw(Exporter);
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# only export API methods
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@EXPORT = qw(
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&marc2endnote
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&marc2marc
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&marc2marcxml
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&marcxml2marc
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&marc2dcxml
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&marc2modsxml
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&marc2madsxml
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&marc2bibtex
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&marc2csv
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&changeEncoding
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);
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=head1 NAME
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C4::Record - MARC, MARCXML, DC, MODS, XML, etc. Record Management Functions and API
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=head1 SYNOPSIS
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New in Koha 3.x. This module handles all record-related management functions.
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=head1 API (EXPORTED FUNCTIONS)
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=head2 marc2marc - Convert from one flavour of ISO-2709 to another
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my ($error,$newmarc) = marc2marc($marc,$to_flavour,$from_flavour,$encoding);
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Returns an ISO-2709 scalar
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=cut
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sub marc2marc {
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my ($marc,$to_flavour,$from_flavour,$encoding) = @_;
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my $error;
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if ($to_flavour =~ m/marcstd/) {
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my $marc_record_obj;
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if ($marc =~ /^MARC::Record/) { # it's already a MARC::Record object
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$marc_record_obj = $marc;
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} else { # it's not a MARC::Record object, make it one
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eval { $marc_record_obj = MARC::Record->new_from_usmarc($marc) }; # handle exceptions
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# conversion to MARC::Record object failed, populate $error
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if ($@) { $error .="\nCreation of MARC::Record object failed: ".$MARC::File::ERROR };
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}
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unless ($error) {
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my @privatefields;
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foreach my $field ($marc_record_obj->fields()) {
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if ($field->tag() =~ m/9/ && ($field->tag() != '490' || C4::Context->preference("marcflavour") eq 'UNIMARC')) {
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push @privatefields, $field;
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} elsif (! ($field->is_control_field())) {
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$field->delete_subfield(code => '9') if ($field->subfield('9'));
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}
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}
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$marc_record_obj->delete_field($_) for @privatefields;
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$marc = $marc_record_obj->as_usmarc();
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}
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} else {
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$error = "Feature not yet implemented\n";
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}
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return ($error,$marc);
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}
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=head2 marc2marcxml - Convert from ISO-2709 to MARCXML
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my ($error,$marcxml) = marc2marcxml($marc,$encoding,$flavour);
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Returns a MARCXML scalar
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C<$marc> - an ISO-2709 scalar or MARC::Record object
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C<$encoding> - UTF-8 or MARC-8 [UTF-8]
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C<$flavour> - MARC21 or UNIMARC
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C<$dont_entity_encode> - a flag that instructs marc2marcxml not to entity encode the xml before returning (optional)
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=cut
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sub marc2marcxml {
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my ($marc,$encoding,$flavour,$dont_entity_encode) = @_;
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my $error; # the error string
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my $marcxml; # the final MARCXML scalar
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# test if it's already a MARC::Record object, if not, make it one
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my $marc_record_obj;
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if ($marc =~ /^MARC::Record/) { # it's already a MARC::Record object
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$marc_record_obj = $marc;
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} else { # it's not a MARC::Record object, make it one
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eval { $marc_record_obj = MARC::Record->new_from_usmarc($marc) }; # handle exceptions
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# conversion to MARC::Record object failed, populate $error
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if ($@) { $error .="\nCreation of MARC::Record object failed: ".$MARC::File::ERROR };
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}
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# only proceed if no errors so far
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unless ($error) {
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# check the record for warnings
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my @warnings = $marc_record_obj->warnings();
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if (@warnings) {
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warn "\nWarnings encountered while processing ISO-2709 record with title \"".$marc_record_obj->title()."\":\n";
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foreach my $warn (@warnings) { warn "\t".$warn };
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}
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unless($encoding) {$encoding = "UTF-8"}; # set default encoding
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unless($flavour) {$flavour = C4::Context->preference("marcflavour")}; # set default MARC flavour
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# attempt to convert the record to MARCXML
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eval { $marcxml = $marc_record_obj->as_xml_record($flavour) }; #handle exceptions
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# record creation failed, populate $error
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if ($@) {
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$error .= "Creation of MARCXML failed:".$MARC::File::ERROR;
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$error .= "Additional information:\n";
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my @warnings = $@->warnings();
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foreach my $warn (@warnings) { $error.=$warn."\n" };
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# record creation was successful
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} else {
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# check the record for warning flags again (warnings() will be cleared already if there was an error, see above block
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@warnings = $marc_record_obj->warnings();
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if (@warnings) {
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warn "\nWarnings encountered while processing ISO-2709 record with title \"".$marc_record_obj->title()."\":\n";
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foreach my $warn (@warnings) { warn "\t".$warn };
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}
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}
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# only proceed if no errors so far
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unless ($error) {
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# entity encode the XML unless instructed not to
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unless ($dont_entity_encode) {
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my ($marcxml_entity_encoded) = _entity_encode($marcxml);
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$marcxml = $marcxml_entity_encoded;
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}
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}
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}
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# return result to calling program
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return ($error,$marcxml);
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}
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=head2 marcxml2marc - Convert from MARCXML to ISO-2709
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my ($error,$marc) = marcxml2marc($marcxml,$encoding,$flavour);
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Returns an ISO-2709 scalar
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C<$marcxml> - a MARCXML record
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C<$encoding> - UTF-8 or MARC-8 [UTF-8]
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C<$flavour> - MARC21 or UNIMARC
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=cut
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sub marcxml2marc {
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my ($marcxml,$encoding,$flavour) = @_;
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my $error; # the error string
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my $marc; # the final ISO-2709 scalar
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unless($encoding) {$encoding = "UTF-8"}; # set the default encoding
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unless($flavour) {$flavour = C4::Context->preference("marcflavour")}; # set the default MARC flavour
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# attempt to do the conversion
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eval { $marc = MARC::Record->new_from_xml($marcxml,$encoding,$flavour) }; # handle exceptions
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# record creation failed, populate $error
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if ($@) {$error .="\nCreation of MARCXML Record failed: ".$@;
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$error.=$MARC::File::ERROR if ($MARC::File::ERROR);
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};
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# return result to calling program
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return ($error,$marc);
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}
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=head2 marc2dcxml - Convert from ISO-2709 to Dublin Core
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my dcxml = marc2dcxml ($marc, $xml, $biblionumber, $format);
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EXAMPLE
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my dcxml = marc2dcxml (undef, undef, 1, "oaidc");
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Convert MARC or MARCXML to Dublin Core metadata (XSLT Transformation),
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optionally can get an XML directly from biblio_metadata
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without item information. This method take into consideration the syspref
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'marcflavour' (UNIMARC, MARC21 and NORMARC).
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Return an XML file with the format defined in C<$format>
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C<$marc> - an ISO-2709 scalar or MARC::Record object
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C<$xml> - a MARCXML file
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C<$biblionumber> - biblionumber for database access
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C<$format> - accept three type of DC formats (oaidc, srwdc, and rdfdc )
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=cut
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sub marc2dcxml {
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my ( $marc, $xml, $biblionumber, $format ) = @_;
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# global variables
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my ( $marcxml, $record, $output );
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# set the default path for intranet xslts
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# differents xslts to process (OAIDC, SRWDC and RDFDC)
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my $xsl = C4::Context->config('intrahtdocs') . '/prog/en/xslt/' .
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C4::Context->preference('marcflavour') . 'slim2' . uc ( $format ) . '.xsl';
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if ( defined $marc ) {
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# no need to catch errors or warnings marc2marcxml do it instead
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$marcxml = C4::Record::marc2marcxml( $marc );
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} elsif ( not defined $xml and defined $biblionumber ) {
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# get MARCXML biblio directly without item information
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$marcxml = C4::Biblio::GetXmlBiblio( $biblionumber );
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} else {
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$marcxml = $xml;
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}
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# only proceed if MARC21 or UNIMARC; else clause is executed if marcflavour set it to NORMARC
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# generate MARC::Record object to see if not a marcxml record
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unless ( C4::Context->preference('marcflavour') eq 'NORMARC' ) {
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eval { $record = MARC::Record->new_from_xml(
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$marcxml,
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'UTF-8',
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C4::Context->preference('marcflavour')
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);
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};
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} else {
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eval { $record = MARC::Record->new_from_xml(
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$marcxml,
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'UTF-8',
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'MARC21'
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);
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};
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}
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# conversion to MARC::Record object failed
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if ( $@ ) {
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croak "Creation of MARC::Record object failed.";
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} elsif ( $record->warnings() ) {
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carp "Warnings encountered while processing ISO-2709 record.\n";
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my @warnings = $record->warnings();
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foreach my $warn (@warnings) {
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carp "\t". $warn;
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};
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} elsif ( $record =~ /^MARC::Record/ ) { # if OK makes xslt transformation
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my $xslt_engine = Koha::XSLT_Handler->new;
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if ( $format =~ /^(dc|oaidc|srwdc|rdfdc)$/i ) {
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$output = $xslt_engine->transform( $marcxml, $xsl );
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} else {
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croak "The format argument ($format) not accepted.\n" .
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"Please pass a valid format (oaidc, srwdc, or rdfdc)\n";
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}
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my $err = $xslt_engine->err; # error code
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if ( $err ) {
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croak "Error $err while processing\n";
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} else {
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return $output;
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}
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}
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}
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=head2 marc2modsxml - Convert from ISO-2709 to MODS
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my $modsxml = marc2modsxml($marc);
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Returns a MODS scalar
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=cut
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sub marc2modsxml {
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my ($marc) = @_;
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return _transformWithStylesheet($marc, "/prog/en/xslt/MARC21slim2MODS3-1.xsl");
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}
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=head2 marc2madsxml - Convert from ISO-2709 to MADS
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my $madsxml = marc2madsxml($marc);
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Returns a MADS scalar
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=cut
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sub marc2madsxml {
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my ($marc) = @_;
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return _transformWithStylesheet($marc, "/prog/en/xslt/MARC21slim2MADS.xsl");
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}
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=head2 _transformWithStylesheet - Transform a MARC record with a stylesheet
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my $xml = _transformWithStylesheet($marc, $stylesheet)
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Returns the XML scalar result of the transformation. $stylesheet should
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contain the path to a stylesheet under intrahtdocs.
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=cut
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sub _transformWithStylesheet {
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my ($marc, $stylesheet) = @_;
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# grab the XML, run it through our stylesheet, push it out to the browser
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my $xmlrecord = marc2marcxml($marc);
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my $xslfile = C4::Context->config('intrahtdocs') . $stylesheet;
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return C4::XSLT::engine->transform($xmlrecord, $xslfile);
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}
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sub marc2endnote {
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my ($marc) = @_;
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my $marc_rec_obj = MARC::Record->new_from_usmarc($marc);
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my ( $abstract, $f260a, $f710a );
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my $f260 = $marc_rec_obj->field('260');
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if ($f260) {
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$f260a = $f260->subfield('a') if $f260;
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}
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my $f710 = $marc_rec_obj->field('710');
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if ($f710) {
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$f710a = $f710->subfield('a');
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}
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my $f500 = $marc_rec_obj->field('500');
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if ($f500) {
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$abstract = $f500->subfield('a');
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}
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my $fields = {
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DB => C4::Context->preference("LibraryName"),
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Title => $marc_rec_obj->title(),
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Author => $marc_rec_obj->author(),
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Publisher => $f710a,
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City => $f260a,
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Year => $marc_rec_obj->publication_date,
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Abstract => $abstract,
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};
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my $endnote;
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my $style = new Biblio::EndnoteStyle();
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my $template;
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$template.= "DB - DB\n" if C4::Context->preference("LibraryName");
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$template.="T1 - Title\n" if $marc_rec_obj->title();
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$template.="A1 - Author\n" if $marc_rec_obj->author();
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$template.="PB - Publisher\n" if $f710a;
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$template.="CY - City\n" if $f260a;
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$template.="Y1 - Year\n" if $marc_rec_obj->publication_date;
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$template.="AB - Abstract\n" if $abstract;
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my ($text, $errmsg) = $style->format($template, $fields);
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return ($text);
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}
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=head2 marc2csv - Convert several records from UNIMARC to CSV
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my ($csv) = marc2csv($biblios, $csvprofileid, $itemnumbers);
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Pre and postprocessing can be done through a YAML file
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Returns a CSV scalar
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C<$biblio> - a list of biblionumbers
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C<$csvprofileid> - the id of the CSV profile to use for the export (see export_format.export_format_id)
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C<$itemnumbers> - a list of itemnumbers to export
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=cut
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sub marc2csv {
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my ($biblios, $id, $itemnumbers) = @_;
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$itemnumbers ||= [];
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my $output;
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my $csv = Text::CSV::Encoded->new();
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# Getting yaml file
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my $configfile = "../tools/csv-profiles/$id.yaml";
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my ($preprocess, $postprocess, $fieldprocessing);
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if (-e $configfile){
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($preprocess,$postprocess, $fieldprocessing) = YAML::LoadFile($configfile);
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}
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# Preprocessing
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eval $preprocess if ($preprocess);
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my $firstpass = 1;
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if ( @$itemnumbers ) {
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for my $itemnumber ( @$itemnumbers) {
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my $item = Koha::Items->find( $itemnumber );
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my $biblionumber = $item->biblio->biblionumber;
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$output .= marcrecord2csv( $biblionumber, $id, $firstpass, $csv, $fieldprocessing, [$itemnumber] );
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$firstpass = 0;
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}
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} else {
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foreach my $biblio (@$biblios) {
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$output .= marcrecord2csv( $biblio, $id, $firstpass, $csv, $fieldprocessing );
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$firstpass = 0;
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}
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}
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# Postprocessing
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eval $postprocess if ($postprocess);
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return $output;
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}
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=head2 marcrecord2csv - Convert a single record from UNIMARC to CSV
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my ($csv) = marcrecord2csv($biblio, $csvprofileid, $header);
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Returns a CSV scalar
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C<$biblio> - a biblionumber
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C<$csvprofileid> - the id of the CSV profile to use for the export (see export_format.export_format_id)
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C<$header> - true if the headers are to be printed (typically at first pass)
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C<$csv> - an already initialised Text::CSV object
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C<$fieldprocessing>
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C<$itemnumbers> a list of itemnumbers to export
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=cut
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sub marcrecord2csv {
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my ($biblio, $id, $header, $csv, $fieldprocessing, $itemnumbers) = @_;
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my $output;
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# Getting the record
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my $record = GetMarcBiblio({ biblionumber => $biblio });
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return unless $record;
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C4::Biblio::EmbedItemsInMarcBiblio( $record, $biblio, $itemnumbers );
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# Getting the framework
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my $frameworkcode = GetFrameworkCode($biblio);
|
|
|
|
# Getting information about the csv profile
|
|
my $profile = Koha::CsvProfiles->find($id);
|
|
|
|
# Getting output encoding
|
|
my $encoding = $profile->encoding || 'utf8';
|
|
# Getting separators
|
|
my $csvseparator = $profile->csv_separator || ',';
|
|
my $fieldseparator = $profile->field_separator || '#';
|
|
my $subfieldseparator = $profile->subfield_separator || '|';
|
|
|
|
# TODO: Be more generic (in case we have to handle other protected chars or more separators)
|
|
if ($csvseparator eq '\t') { $csvseparator = "\t" }
|
|
if ($fieldseparator eq '\t') { $fieldseparator = "\t" }
|
|
if ($subfieldseparator eq '\t') { $subfieldseparator = "\t" }
|
|
if ($csvseparator eq '\n') { $csvseparator = "\n" }
|
|
if ($fieldseparator eq '\n') { $fieldseparator = "\n" }
|
|
if ($subfieldseparator eq '\n') { $subfieldseparator = "\n" }
|
|
|
|
$csv = $csv->encoding_out($encoding) ;
|
|
$csv->sep_char($csvseparator);
|
|
|
|
# Getting the marcfields
|
|
my $marcfieldslist = $profile->content;
|
|
|
|
# Getting the marcfields as an array
|
|
my @marcfieldsarray = split('\|', $marcfieldslist);
|
|
|
|
# Separating the marcfields from the user-supplied headers
|
|
my @csv_structures;
|
|
foreach (@marcfieldsarray) {
|
|
my @result = split('=', $_, 2);
|
|
my $content = ( @result == 2 )
|
|
? $result[1]
|
|
: $result[0];
|
|
my @fields;
|
|
while ( $content =~ m|(\d{3})\$?(.)?|g ) {
|
|
my $fieldtag = $1;
|
|
my $subfieldtag = $2 || undef;
|
|
push @fields, { fieldtag => $fieldtag, subfieldtag => $subfieldtag };
|
|
}
|
|
if ( @result == 2) {
|
|
push @csv_structures, { header => $result[0], content => $content, fields => \@fields };
|
|
} else {
|
|
push @csv_structures, { content => $content, fields => \@fields }
|
|
}
|
|
}
|
|
|
|
my ( @marcfieldsheaders, @csv_rows );
|
|
my $dbh = C4::Context->dbh;
|
|
|
|
my $field_list;
|
|
for my $field ( $record->fields ) {
|
|
my $fieldtag = $field->tag;
|
|
my $values;
|
|
if ( $field->is_control_field ) {
|
|
$values = $field->data();
|
|
} else {
|
|
$values->{indicator}{1} = $field->indicator(1);
|
|
$values->{indicator}{2} = $field->indicator(2);
|
|
for my $subfield ( $field->subfields ) {
|
|
my $subfieldtag = $subfield->[0];
|
|
my $value = $subfield->[1];
|
|
push @{ $values->{$subfieldtag} }, $value;
|
|
}
|
|
}
|
|
# We force the key as an integer (trick for 00X and OXX fields)
|
|
push @{ $field_list->{fields}{0+$fieldtag} }, $values;
|
|
}
|
|
|
|
# For each field or subfield
|
|
foreach my $csv_structure (@csv_structures) {
|
|
my @field_values;
|
|
my $tags = $csv_structure->{fields};
|
|
my $content = $csv_structure->{content};
|
|
|
|
if ( $header ) {
|
|
# If we have a user-supplied header, we use it
|
|
if ( exists $csv_structure->{header} ) {
|
|
push @marcfieldsheaders, $csv_structure->{header};
|
|
} else {
|
|
# If not, we get the matching tag name from koha
|
|
my $tag = $tags->[0];
|
|
if ( $tag->{subfieldtag} ) {
|
|
my $query = "SELECT liblibrarian FROM marc_subfield_structure WHERE tagfield=? AND tagsubfield=?";
|
|
my @results = $dbh->selectrow_array( $query, {}, $tag->{fieldtag}, $tag->{subfieldtag} );
|
|
push @marcfieldsheaders, $results[0];
|
|
} else {
|
|
my $query = "SELECT liblibrarian FROM marc_tag_structure WHERE tagfield=?";
|
|
my @results = $dbh->selectrow_array( $query, {}, $tag->{fieldtag} );
|
|
push @marcfieldsheaders, $results[0];
|
|
}
|
|
}
|
|
}
|
|
|
|
# TT tags exist
|
|
if ( $content =~ m|\[\%.*\%\]| ) {
|
|
my $tt = Template->new();
|
|
my $template = $content;
|
|
my $vars;
|
|
# Replace 00X and 0XX with X or XX
|
|
$content =~ s|fields.00(\d)|fields.$1|g;
|
|
$content =~ s|fields.0(\d{2})|fields.$1|g;
|
|
my $tt_output;
|
|
$tt->process( \$content, $field_list, \$tt_output );
|
|
push @csv_rows, $tt_output;
|
|
} else {
|
|
for my $tag ( @$tags ) {
|
|
my @fields = $record->field( $tag->{fieldtag} );
|
|
# If it is a subfield
|
|
my @loop_values;
|
|
if ( $tag->{subfieldtag} ) {
|
|
my $av = Koha::AuthorisedValues->search_by_marc_field({ frameworkcode => $frameworkcode, tagfield => $tag->{fieldtag}, tagsubfield => $tag->{subfieldtag}, });
|
|
$av = $av->count ? $av->unblessed : [];
|
|
my $av_description_mapping = { map { ( $_->{authorised_value} => $_->{lib} ) } @$av };
|
|
# For each field
|
|
foreach my $field (@fields) {
|
|
my @subfields = $field->subfield( $tag->{subfieldtag} );
|
|
foreach my $subfield (@subfields) {
|
|
push @loop_values, (defined $av_description_mapping->{$subfield}) ? $av_description_mapping->{$subfield} : $subfield;
|
|
}
|
|
}
|
|
|
|
# Or a field
|
|
} else {
|
|
my $av = Koha::AuthorisedValues->search_by_marc_field({ frameworkcode => $frameworkcode, tagfield => $tag->{fieldtag}, });
|
|
$av = $av->count ? $av->unblessed : [];
|
|
my $authvalues = { map { ( $_->{authorised_value} => $_->{lib} ) } @$av };
|
|
|
|
foreach my $field ( @fields ) {
|
|
my $value;
|
|
|
|
# If it is a control field
|
|
if ($field->is_control_field) {
|
|
$value = defined $authvalues->{$field->as_string} ? $authvalues->{$field->as_string} : $field->as_string;
|
|
} else {
|
|
# If it is a field, we gather all subfields, joined by the subfield separator
|
|
my @subvaluesarray;
|
|
my @subfields = $field->subfields;
|
|
foreach my $subfield (@subfields) {
|
|
push (@subvaluesarray, defined $authvalues->{$subfield->[1]} ? $authvalues->{$subfield->[1]} : $subfield->[1]);
|
|
}
|
|
$value = join ($subfieldseparator, @subvaluesarray);
|
|
}
|
|
|
|
# Field processing
|
|
my $marcfield = $tag->{fieldtag}; # This line fixes a retrocompatibility concern
|
|
# The "processing" could be based on the $marcfield variable.
|
|
eval $fieldprocessing if ($fieldprocessing);
|
|
|
|
push @loop_values, $value;
|
|
}
|
|
|
|
}
|
|
push @field_values, {
|
|
fieldtag => $tag->{fieldtag},
|
|
subfieldtag => $tag->{subfieldtag},
|
|
values => \@loop_values,
|
|
};
|
|
}
|
|
for my $field_value ( @field_values ) {
|
|
if ( $field_value->{subfieldtag} ) {
|
|
push @csv_rows, join( $subfieldseparator, @{ $field_value->{values} } );
|
|
} else {
|
|
push @csv_rows, join( $fieldseparator, @{ $field_value->{values} } );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if ( $header ) {
|
|
$csv->combine(@marcfieldsheaders);
|
|
$output = $csv->string() . "\n";
|
|
}
|
|
$csv->combine(@csv_rows);
|
|
$output .= $csv->string() . "\n";
|
|
|
|
return $output;
|
|
|
|
}
|
|
|
|
|
|
=head2 changeEncoding - Change the encoding of a record
|
|
|
|
my ($error, $newrecord) = changeEncoding($record,$format,$flavour,$to_encoding,$from_encoding);
|
|
|
|
Changes the encoding of a record
|
|
|
|
C<$record> - the record itself can be in ISO-2709, a MARC::Record object, or MARCXML for now (required)
|
|
|
|
C<$format> - MARC or MARCXML (required)
|
|
|
|
C<$flavour> - MARC21 or UNIMARC, if MARC21, it will change the leader (optional) [defaults to Koha system preference]
|
|
|
|
C<$to_encoding> - the encoding you want the record to end up in (optional) [UTF-8]
|
|
|
|
C<$from_encoding> - the encoding the record is currently in (optional, it will probably be able to tell unless there's a problem with the record)
|
|
|
|
FIXME: the from_encoding doesn't work yet
|
|
|
|
FIXME: better handling for UNIMARC, it should allow management of 100 field
|
|
|
|
FIXME: shouldn't have to convert to and from xml/marc just to change encoding someone needs to re-write MARC::Record's 'encoding' method to actually alter the encoding rather than just changing the leader
|
|
|
|
=cut
|
|
|
|
sub changeEncoding {
|
|
my ($record,$format,$flavour,$to_encoding,$from_encoding) = @_;
|
|
my $newrecord;
|
|
my $error;
|
|
unless($flavour) {$flavour = C4::Context->preference("marcflavour")};
|
|
unless($to_encoding) {$to_encoding = "UTF-8"};
|
|
|
|
# ISO-2709 Record (MARC21 or UNIMARC)
|
|
if (lc($format) =~ /^marc$/o) {
|
|
# if we're converting encoding of an ISO2709 file, we need to roundtrip through XML
|
|
# because MARC::Record doesn't directly provide us with an encoding method
|
|
# It's definitely less than idea and should be fixed eventually - kados
|
|
my $marcxml; # temporary storage of MARCXML scalar
|
|
($error,$marcxml) = marc2marcxml($record,$to_encoding,$flavour);
|
|
unless ($error) {
|
|
($error,$newrecord) = marcxml2marc($marcxml,$to_encoding,$flavour);
|
|
}
|
|
|
|
# MARCXML Record
|
|
} elsif (lc($format) =~ /^marcxml$/o) { # MARCXML Record
|
|
my $marc;
|
|
($error,$marc) = marcxml2marc($record,$to_encoding,$flavour);
|
|
unless ($error) {
|
|
($error,$newrecord) = marc2marcxml($record,$to_encoding,$flavour);
|
|
}
|
|
} else {
|
|
$error.="Unsupported record format:".$format;
|
|
}
|
|
return ($error,$newrecord);
|
|
}
|
|
|
|
=head2 marc2bibtex - Convert from MARC21 and UNIMARC to BibTex
|
|
|
|
my ($bibtex) = marc2bibtex($record, $id);
|
|
|
|
Returns a BibTex scalar
|
|
|
|
C<$record> - a MARC::Record object
|
|
|
|
C<$id> - an id for the BibTex record (might be the biblionumber)
|
|
|
|
=cut
|
|
|
|
|
|
sub marc2bibtex {
|
|
my ($record, $id) = @_;
|
|
my $tex;
|
|
my $marcflavour = C4::Context->preference("marcflavour");
|
|
|
|
# Authors
|
|
my $author;
|
|
my @texauthors;
|
|
my @authorFields = ('100','110','111','700','710','711');
|
|
@authorFields = ('700','701','702','710','711','721') if ( $marcflavour eq "UNIMARC" );
|
|
|
|
foreach my $field ( @authorFields ) {
|
|
# author formatted surname, firstname
|
|
my $texauthor = '';
|
|
if ( $marcflavour eq "UNIMARC" ) {
|
|
$texauthor = join ', ',
|
|
( $record->subfield($field,"a"), $record->subfield($field,"b") );
|
|
} else {
|
|
$texauthor = $record->subfield($field,"a");
|
|
}
|
|
push @texauthors, $texauthor if $texauthor;
|
|
}
|
|
$author = join ' and ', @texauthors;
|
|
|
|
# Defining the conversion array according to the marcflavour
|
|
my @bh;
|
|
if ( $marcflavour eq "UNIMARC" ) {
|
|
|
|
# FIXME, TODO : handle repeatable fields
|
|
# TODO : handle more types of documents
|
|
|
|
# Unimarc to bibtex array
|
|
@bh = (
|
|
|
|
# Mandatory
|
|
author => $author,
|
|
title => $record->subfield("200", "a") || "",
|
|
editor => $record->subfield("210", "g") || "",
|
|
publisher => $record->subfield("210", "c") || "",
|
|
year => $record->subfield("210", "d") || $record->subfield("210", "h") || "",
|
|
|
|
# Optional
|
|
volume => $record->subfield("200", "v") || "",
|
|
series => $record->subfield("225", "a") || "",
|
|
address => $record->subfield("210", "a") || "",
|
|
edition => $record->subfield("205", "a") || "",
|
|
note => $record->subfield("300", "a") || "",
|
|
url => $record->subfield("856", "u") || ""
|
|
);
|
|
} else {
|
|
|
|
# Marc21 to bibtex array
|
|
@bh = (
|
|
|
|
# Mandatory
|
|
author => $author,
|
|
title => $record->subfield("245", "a") || "",
|
|
editor => $record->subfield("260", "f") || "",
|
|
publisher => $record->subfield("264", "b") || $record->subfield("260", "b") || "",
|
|
year => $record->subfield("264", "c") || $record->subfield("260", "c") || $record->subfield("260", "g") || "",
|
|
|
|
# Optional
|
|
# unimarc to marc21 specification says not to convert 200$v to marc21
|
|
series => $record->subfield("490", "a") || "",
|
|
address => $record->subfield("264", "a") || $record->subfield("260", "a") || "",
|
|
edition => $record->subfield("250", "a") || "",
|
|
note => $record->subfield("500", "a") || "",
|
|
url => $record->subfield("856", "u") || ""
|
|
);
|
|
}
|
|
|
|
my $BibtexExportAdditionalFields = C4::Context->preference('BibtexExportAdditionalFields');
|
|
my $additional_fields;
|
|
if ($BibtexExportAdditionalFields) {
|
|
$BibtexExportAdditionalFields = "$BibtexExportAdditionalFields\n\n";
|
|
$additional_fields = eval { YAML::Load($BibtexExportAdditionalFields); };
|
|
if ($@) {
|
|
warn "Unable to parse BibtexExportAdditionalFields : $@";
|
|
$additional_fields = undef;
|
|
}
|
|
}
|
|
|
|
if ( $additional_fields && $additional_fields->{'@'} ) {
|
|
my ( $f, $sf ) = split( /\$/, $additional_fields->{'@'} );
|
|
my ( $type ) = read_field( { record => $record, field => $f, subfield => $sf, field_numbers => [1] } );
|
|
|
|
if ($type) {
|
|
$tex .= '@' . $type . '{';
|
|
}
|
|
else {
|
|
$tex .= "\@book{";
|
|
}
|
|
}
|
|
else {
|
|
$tex .= "\@book{";
|
|
}
|
|
|
|
my @elt;
|
|
for ( my $i = 0 ; $i < scalar( @bh ) ; $i = $i + 2 ) {
|
|
next unless $bh[$i+1];
|
|
push @elt, qq|\t$bh[$i] = {$bh[$i+1]}|;
|
|
}
|
|
$tex .= join(",\n", $id, @elt);
|
|
|
|
if ($additional_fields) {
|
|
$tex .= ",\n";
|
|
foreach my $bibtex_tag ( keys %$additional_fields ) {
|
|
next if $bibtex_tag eq '@';
|
|
|
|
my @fields =
|
|
ref( $additional_fields->{$bibtex_tag} ) eq 'ARRAY'
|
|
? @{ $additional_fields->{$bibtex_tag} }
|
|
: $additional_fields->{$bibtex_tag};
|
|
|
|
for my $tag (@fields) {
|
|
my ( $f, $sf ) = split( /\$/, $tag );
|
|
my @values = read_field( { record => $record, field => $f, subfield => $sf } );
|
|
foreach my $v (@values) {
|
|
$tex .= qq(\t$bibtex_tag = {$v}\n);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
$tex .= "\n";
|
|
}
|
|
|
|
$tex .= "}\n";
|
|
|
|
return $tex;
|
|
}
|
|
|
|
|
|
=head1 INTERNAL FUNCTIONS
|
|
|
|
=head2 _entity_encode - Entity-encode an array of strings
|
|
|
|
my ($entity_encoded_string) = _entity_encode($string);
|
|
|
|
or
|
|
|
|
my (@entity_encoded_strings) = _entity_encode(@strings);
|
|
|
|
Entity-encode an array of strings
|
|
|
|
=cut
|
|
|
|
sub _entity_encode {
|
|
my @strings = @_;
|
|
my @strings_entity_encoded;
|
|
foreach my $string (@strings) {
|
|
my $nfc_string = NFC($string);
|
|
$nfc_string =~ s/([\x{0080}-\x{fffd}])/sprintf('&#x%X;',ord($1))/sgoe;
|
|
push @strings_entity_encoded, $nfc_string;
|
|
}
|
|
return @strings_entity_encoded;
|
|
}
|
|
|
|
END { } # module clean-up code here (global destructor)
|
|
1;
|
|
__END__
|
|
|
|
=head1 AUTHOR
|
|
|
|
Joshua Ferraro <jmf@liblime.com>
|
|
|
|
=head1 MODIFICATIONS
|
|
|
|
|
|
=cut
|