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907 lines
24 KiB
907 lines
24 KiB
package C4::Koha;
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# Copyright 2000-2002 Katipo Communications
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# Parts Copyright 2010 Nelsonville Public Library
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# Parts copyright 2010 BibLibre
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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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use Modern::Perl;
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use C4::Context;
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use Koha::Caches;
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use Koha::AuthorisedValues;
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use Koha::Libraries;
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use Koha::MarcSubfieldStructures;
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use Business::ISBN;
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use Business::ISSN;
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use autouse 'Data::cselectall_arrayref' => qw(Dumper);
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use vars qw(@ISA @EXPORT @EXPORT_OK $DEBUG);
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BEGIN {
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require Exporter;
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@ISA = qw(Exporter);
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@EXPORT = qw(
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&GetItemTypesCategorized
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&getallthemes
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&getFacets
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&getnbpages
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&getitemtypeimagedir
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&getitemtypeimagesrc
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&getitemtypeimagelocation
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&GetAuthorisedValues
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&GetNormalizedUPC
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&GetNormalizedISBN
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&GetNormalizedEAN
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&GetNormalizedOCLCNumber
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&xml_escape
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&GetVariationsOfISBN
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&GetVariationsOfISBNs
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&NormalizeISBN
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&GetVariationsOfISSN
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&GetVariationsOfISSNs
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&NormalizeISSN
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$DEBUG
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);
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$DEBUG = 0;
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}
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=head1 NAME
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C4::Koha - Perl Module containing convenience functions for Koha scripts
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=head1 SYNOPSIS
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use C4::Koha;
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=head1 DESCRIPTION
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Koha.pm provides many functions for Koha scripts.
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=head1 FUNCTIONS
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=cut
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=head2 GetItemTypesCategorized
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$categories = GetItemTypesCategorized();
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Returns a hashref containing search categories.
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A search category will be put in the hash if at least one of its itemtypes is visible in OPAC.
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The categories must be part of Authorized Values (ITEMTYPECAT)
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=cut
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sub GetItemTypesCategorized {
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my $dbh = C4::Context->dbh;
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# Order is important, so that partially hidden (some items are not visible in OPAC) search
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# categories will be visible. hideinopac=0 must be last.
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my $query = q|
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SELECT itemtype, description, imageurl, hideinopac, 0 as 'iscat' FROM itemtypes WHERE ISNULL(searchcategory) or length(searchcategory) = 0
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UNION
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SELECT DISTINCT searchcategory AS `itemtype`,
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COALESCE(authorised_values.lib_opac,authorised_values.lib) AS description,
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authorised_values.imageurl AS imageurl,
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hideinopac, 1 as 'iscat'
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FROM itemtypes
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LEFT JOIN authorised_values ON searchcategory = authorised_value
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WHERE searchcategory > '' and hideinopac=1
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UNION
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SELECT DISTINCT searchcategory AS `itemtype`,
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COALESCE(authorised_values.lib_opac,authorised_values.lib) AS description,
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authorised_values.imageurl AS imageurl,
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hideinopac, 1 as 'iscat'
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FROM itemtypes
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LEFT JOIN authorised_values ON searchcategory = authorised_value
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WHERE searchcategory > '' and hideinopac=0
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|;
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return ($dbh->selectall_hashref($query,'itemtype'));
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}
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=head2 getitemtypeimagedir
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my $directory = getitemtypeimagedir( 'opac' );
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pass in 'opac' or 'intranet'. Defaults to 'opac'.
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returns the full path to the appropriate directory containing images.
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=cut
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sub getitemtypeimagedir {
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my $src = shift || 'opac';
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if ($src eq 'intranet') {
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return C4::Context->config('intrahtdocs') . '/' .C4::Context->preference('template') . '/img/itemtypeimg';
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} else {
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return C4::Context->config('opachtdocs') . '/' . C4::Context->preference('opacthemes') . '/itemtypeimg';
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}
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}
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sub getitemtypeimagesrc {
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my $src = shift || 'opac';
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if ($src eq 'intranet') {
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return '/intranet-tmpl' . '/' . C4::Context->preference('template') . '/img/itemtypeimg';
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} else {
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return '/opac-tmpl' . '/' . C4::Context->preference('opacthemes') . '/itemtypeimg';
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}
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}
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sub getitemtypeimagelocation {
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my ( $src, $image ) = @_;
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return '' if ( !$image );
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require URI::Split;
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my $scheme = ( URI::Split::uri_split( $image ) )[0];
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return $image if ( $scheme );
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return getitemtypeimagesrc( $src ) . '/' . $image;
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}
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=head3 _getImagesFromDirectory
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Find all of the image files in a directory in the filesystem
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parameters: a directory name
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returns: a list of images in that directory.
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Notes: this does not traverse into subdirectories. See
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_getSubdirectoryNames for help with that.
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Images are assumed to be files with .gif or .png file extensions.
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The image names returned do not have the directory name on them.
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=cut
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sub _getImagesFromDirectory {
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my $directoryname = shift;
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return unless defined $directoryname;
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return unless -d $directoryname;
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if ( opendir ( my $dh, $directoryname ) ) {
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my @images = grep { /\.(gif|png)$/i } readdir( $dh );
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closedir $dh;
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@images = sort(@images);
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return @images;
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} else {
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warn "unable to opendir $directoryname: $!";
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return;
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}
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}
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=head3 _getSubdirectoryNames
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Find all of the directories in a directory in the filesystem
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parameters: a directory name
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returns: a list of subdirectories in that directory.
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Notes: this does not traverse into subdirectories. Only the first
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level of subdirectories are returned.
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The directory names returned don't have the parent directory name on them.
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=cut
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sub _getSubdirectoryNames {
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my $directoryname = shift;
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return unless defined $directoryname;
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return unless -d $directoryname;
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if ( opendir ( my $dh, $directoryname ) ) {
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my @directories = grep { -d File::Spec->catfile( $directoryname, $_ ) && ! ( /^\./ ) } readdir( $dh );
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closedir $dh;
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return @directories;
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} else {
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warn "unable to opendir $directoryname: $!";
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return;
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}
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}
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=head3 getImageSets
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returns: a listref of hashrefs. Each hash represents another collection of images.
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{ imagesetname => 'npl', # the name of the image set (npl is the original one)
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images => listref of image hashrefs
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}
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each image is represented by a hashref like this:
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{ KohaImage => 'npl/image.gif',
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StaffImageUrl => '/intranet-tmpl/prog/img/itemtypeimg/npl/image.gif',
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OpacImageURL => '/opac-tmpl/prog/itemtypeimg/npl/image.gif'
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checked => 0 or 1: was this the image passed to this method?
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Note: I'd like to remove this somehow.
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}
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=cut
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sub getImageSets {
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my %params = @_;
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my $checked = $params{'checked'} || '';
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my $paths = { staff => { filesystem => getitemtypeimagedir('intranet'),
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url => getitemtypeimagesrc('intranet'),
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},
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opac => { filesystem => getitemtypeimagedir('opac'),
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url => getitemtypeimagesrc('opac'),
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}
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};
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my @imagesets = (); # list of hasrefs of image set data to pass to template
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my @subdirectories = _getSubdirectoryNames( $paths->{'staff'}{'filesystem'} );
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foreach my $imagesubdir ( @subdirectories ) {
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warn $imagesubdir if $DEBUG;
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my @imagelist = (); # hashrefs of image info
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my @imagenames = _getImagesFromDirectory( File::Spec->catfile( $paths->{'staff'}{'filesystem'}, $imagesubdir ) );
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my $imagesetactive = 0;
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foreach my $thisimage ( @imagenames ) {
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push( @imagelist,
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{ KohaImage => "$imagesubdir/$thisimage",
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StaffImageUrl => join( '/', $paths->{'staff'}{'url'}, $imagesubdir, $thisimage ),
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OpacImageUrl => join( '/', $paths->{'opac'}{'url'}, $imagesubdir, $thisimage ),
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checked => "$imagesubdir/$thisimage" eq $checked ? 1 : 0,
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}
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);
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$imagesetactive = 1 if "$imagesubdir/$thisimage" eq $checked;
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}
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push @imagesets, { imagesetname => $imagesubdir,
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imagesetactive => $imagesetactive,
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images => \@imagelist };
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}
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return \@imagesets;
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}
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=head2 getnbpages
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Returns the number of pages to display in a pagination bar, given the number
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of items and the number of items per page.
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=cut
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sub getnbpages {
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my ( $nb_items, $nb_items_per_page ) = @_;
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return int( ( $nb_items - 1 ) / $nb_items_per_page ) + 1;
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}
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=head2 getallthemes
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(@themes) = &getallthemes('opac');
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(@themes) = &getallthemes('intranet');
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Returns an array of all available themes.
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=cut
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sub getallthemes {
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my $type = shift;
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my $htdocs;
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my @themes;
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if ( $type eq 'intranet' ) {
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$htdocs = C4::Context->config('intrahtdocs');
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}
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else {
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$htdocs = C4::Context->config('opachtdocs');
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}
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opendir D, "$htdocs";
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my @dirlist = readdir D;
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foreach my $directory (@dirlist) {
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next if $directory eq 'lib';
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-d "$htdocs/$directory/en" and push @themes, $directory;
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}
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return @themes;
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}
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sub getFacets {
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my $facets;
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if ( C4::Context->preference("marcflavour") eq "UNIMARC" ) {
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$facets = [
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{
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idx => 'su-to',
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label => 'Topics',
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tags => [ qw/ 600ab 601ab 602a 604at 605a 606ax 610a / ],
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sep => ' - ',
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},
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{
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idx => 'su-geo',
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label => 'Places',
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tags => [ qw/ 607a / ],
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sep => ' - ',
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},
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{
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idx => 'au',
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label => 'Authors',
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tags => [ qw/ 700ab 701ab 702ab / ],
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sep => C4::Context->preference("UNIMARCAuthorsFacetsSeparator"),
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},
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{
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idx => 'se',
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label => 'Series',
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tags => [ qw/ 225a / ],
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sep => ', ',
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},
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{
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idx => 'location',
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label => 'Location',
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tags => [ qw/ 995e / ],
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},
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{
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idx => 'ccode',
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label => 'CollectionCodes',
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tags => [ qw / 099t 955h / ],
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}
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];
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unless ( Koha::Libraries->search->count == 1 )
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{
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my $DisplayLibraryFacets = C4::Context->preference('DisplayLibraryFacets');
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if ( $DisplayLibraryFacets eq 'both'
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|| $DisplayLibraryFacets eq 'holding' )
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{
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push(
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@$facets,
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{
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idx => 'holdingbranch',
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label => 'HoldingLibrary',
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tags => [qw / 995c /],
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}
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);
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}
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if ( $DisplayLibraryFacets eq 'both'
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|| $DisplayLibraryFacets eq 'home' )
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{
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push(
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@$facets,
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{
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idx => 'homebranch',
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label => 'HomeLibrary',
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tags => [qw / 995b /],
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}
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);
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}
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}
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}
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else {
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$facets = [
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{
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idx => 'su-to',
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label => 'Topics',
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tags => [ qw/ 650a / ],
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sep => '--',
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},
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# {
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# idx => 'su-na',
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# label => 'People and Organizations',
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# tags => [ qw/ 600a 610a 611a / ],
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# sep => 'a',
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# },
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{
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idx => 'su-geo',
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label => 'Places',
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tags => [ qw/ 651a / ],
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sep => '--',
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},
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{
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idx => 'su-ut',
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label => 'Titles',
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tags => [ qw/ 630a / ],
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sep => '--',
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},
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{
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idx => 'au',
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label => 'Authors',
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tags => [ qw/ 100a 110a 700a / ],
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sep => ', ',
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},
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{
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idx => 'se',
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label => 'Series',
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tags => [ qw/ 440a 490a / ],
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sep => ', ',
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},
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{
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idx => 'itype',
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label => 'ItemTypes',
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tags => [ qw/ 952y 942c / ],
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sep => ', ',
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},
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{
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idx => 'location',
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label => 'Location',
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tags => [ qw / 952c / ],
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},
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{
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idx => 'ccode',
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label => 'CollectionCodes',
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tags => [ qw / 9528 / ],
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}
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];
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unless ( Koha::Libraries->search->count == 1 )
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{
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my $DisplayLibraryFacets = C4::Context->preference('DisplayLibraryFacets');
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if ( $DisplayLibraryFacets eq 'both'
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|| $DisplayLibraryFacets eq 'holding' )
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{
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push(
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@$facets,
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{
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idx => 'holdingbranch',
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label => 'HoldingLibrary',
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tags => [qw / 952b /],
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}
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);
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}
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if ( $DisplayLibraryFacets eq 'both'
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|| $DisplayLibraryFacets eq 'home' )
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{
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push(
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@$facets,
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{
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idx => 'homebranch',
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label => 'HomeLibrary',
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tags => [qw / 952a /],
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}
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);
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}
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}
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}
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return $facets;
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}
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=head2 GetAuthorisedValues
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$authvalues = GetAuthorisedValues([$category]);
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This function returns all authorised values from the'authorised_value' table in a reference to array of hashrefs.
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C<$category> returns authorised values for just one category (optional).
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C<$opac> If set to a true value, displays OPAC descriptions rather than normal ones when they exist.
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=cut
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sub GetAuthorisedValues {
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my ( $category, $opac ) = @_;
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# Is this cached already?
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$opac = $opac ? 1 : 0; # normalise to be safe
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my $branch_limit =
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C4::Context->userenv ? C4::Context->userenv->{"branch"} : "";
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my $cache_key =
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"AuthorisedValues-$category-$opac-$branch_limit";
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my $cache = Koha::Caches->get_instance();
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my $result = $cache->get_from_cache($cache_key);
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return $result if $result;
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my @results;
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my $dbh = C4::Context->dbh;
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my $query = qq{
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SELECT DISTINCT av.*
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FROM authorised_values av
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};
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$query .= qq{
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LEFT JOIN authorised_values_branches ON ( id = av_id )
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} if $branch_limit;
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my @where_strings;
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my @where_args;
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if($category) {
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push @where_strings, "category = ?";
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push @where_args, $category;
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}
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if($branch_limit) {
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push @where_strings, "( branchcode = ? OR branchcode IS NULL )";
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push @where_args, $branch_limit;
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}
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if(@where_strings > 0) {
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$query .= " WHERE " . join(" AND ", @where_strings);
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}
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$query .= ' ORDER BY category, ' . (
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$opac ? 'COALESCE(lib_opac, lib)'
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: 'lib, lib_opac'
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);
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my $sth = $dbh->prepare($query);
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$sth->execute( @where_args );
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while (my $data=$sth->fetchrow_hashref) {
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if ($opac && $data->{lib_opac}) {
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$data->{lib} = $data->{lib_opac};
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}
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push @results, $data;
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}
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$sth->finish;
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$cache->set_in_cache( $cache_key, \@results, { expiry => 5 } );
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return \@results;
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}
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=head2 xml_escape
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my $escaped_string = C4::Koha::xml_escape($string);
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Convert &, <, >, ', and " in a string to XML entities
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=cut
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sub xml_escape {
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my $str = shift;
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return '' unless defined $str;
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$str =~ s/&/&/g;
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$str =~ s/</</g;
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$str =~ s/>/>/g;
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$str =~ s/'/'/g;
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$str =~ s/"/"/g;
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return $str;
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}
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=head2 display_marc_indicators
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|
|
my $display_form = C4::Koha::display_marc_indicators($field);
|
|
|
|
C<$field> is a MARC::Field object
|
|
|
|
Generate a display form of the indicators of a variable
|
|
MARC field, replacing any blanks with '#'.
|
|
|
|
=cut
|
|
|
|
sub display_marc_indicators {
|
|
my $field = shift;
|
|
my $indicators = '';
|
|
if ($field && $field->tag() >= 10) {
|
|
$indicators = $field->indicator(1) . $field->indicator(2);
|
|
$indicators =~ s/ /#/g;
|
|
}
|
|
return $indicators;
|
|
}
|
|
|
|
sub GetNormalizedUPC {
|
|
my ($marcrecord,$marcflavour) = @_;
|
|
|
|
return unless $marcrecord;
|
|
if ($marcflavour eq 'UNIMARC') {
|
|
my @fields = $marcrecord->field('072');
|
|
foreach my $field (@fields) {
|
|
my $upc = _normalize_match_point($field->subfield('a'));
|
|
if ($upc) {
|
|
return $upc;
|
|
}
|
|
}
|
|
|
|
}
|
|
else { # assume marc21 if not unimarc
|
|
my @fields = $marcrecord->field('024');
|
|
foreach my $field (@fields) {
|
|
my $indicator = $field->indicator(1);
|
|
my $upc = _normalize_match_point($field->subfield('a'));
|
|
if ($upc && $indicator == 1 ) {
|
|
return $upc;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
# Normalizes and returns the first valid ISBN found in the record
|
|
# ISBN13 are converted into ISBN10. This is required to get some book cover images.
|
|
sub GetNormalizedISBN {
|
|
my ($isbn,$marcrecord,$marcflavour) = @_;
|
|
if ($isbn) {
|
|
# Koha attempts to store multiple ISBNs in biblioitems.isbn, separated by " | "
|
|
# anything after " | " should be removed, along with the delimiter
|
|
($isbn) = split(/\|/, $isbn );
|
|
return _isbn_cleanup($isbn);
|
|
}
|
|
|
|
return unless $marcrecord;
|
|
|
|
if ($marcflavour eq 'UNIMARC') {
|
|
my @fields = $marcrecord->field('010');
|
|
foreach my $field (@fields) {
|
|
my $isbn = $field->subfield('a');
|
|
if ($isbn) {
|
|
return _isbn_cleanup($isbn);
|
|
}
|
|
}
|
|
}
|
|
else { # assume marc21 if not unimarc
|
|
my @fields = $marcrecord->field('020');
|
|
foreach my $field (@fields) {
|
|
$isbn = $field->subfield('a');
|
|
if ($isbn) {
|
|
return _isbn_cleanup($isbn);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub GetNormalizedEAN {
|
|
my ($marcrecord,$marcflavour) = @_;
|
|
|
|
return unless $marcrecord;
|
|
|
|
if ($marcflavour eq 'UNIMARC') {
|
|
my @fields = $marcrecord->field('073');
|
|
foreach my $field (@fields) {
|
|
my $ean = _normalize_match_point($field->subfield('a'));
|
|
if ( $ean ) {
|
|
return $ean;
|
|
}
|
|
}
|
|
}
|
|
else { # assume marc21 if not unimarc
|
|
my @fields = $marcrecord->field('024');
|
|
foreach my $field (@fields) {
|
|
my $indicator = $field->indicator(1);
|
|
my $ean = _normalize_match_point($field->subfield('a'));
|
|
if ( $ean && $indicator == 3 ) {
|
|
return $ean;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
sub GetNormalizedOCLCNumber {
|
|
my ($marcrecord,$marcflavour) = @_;
|
|
return unless $marcrecord;
|
|
|
|
if ($marcflavour ne 'UNIMARC' ) {
|
|
my @fields = $marcrecord->field('035');
|
|
foreach my $field (@fields) {
|
|
my $oclc = $field->subfield('a');
|
|
if ($oclc =~ /OCoLC/) {
|
|
$oclc =~ s/\(OCoLC\)//;
|
|
return $oclc;
|
|
}
|
|
}
|
|
} else {
|
|
# TODO for UNIMARC
|
|
}
|
|
return
|
|
}
|
|
|
|
sub _normalize_match_point {
|
|
my $match_point = shift;
|
|
(my $normalized_match_point) = $match_point =~ /([\d-]*[X]*)/;
|
|
$normalized_match_point =~ s/-//g;
|
|
|
|
return $normalized_match_point;
|
|
}
|
|
|
|
sub _isbn_cleanup {
|
|
my ($isbn) = @_;
|
|
return NormalizeISBN(
|
|
{
|
|
isbn => $isbn,
|
|
format => 'ISBN-10',
|
|
strip_hyphens => 1,
|
|
}
|
|
) if $isbn;
|
|
}
|
|
|
|
=head2 NormalizeISBN
|
|
|
|
my $isbns = NormalizeISBN({
|
|
isbn => $isbn,
|
|
strip_hyphens => [0,1],
|
|
format => ['ISBN-10', 'ISBN-13']
|
|
});
|
|
|
|
Returns an isbn validated by Business::ISBN.
|
|
Optionally strips hyphens and/or forces the isbn
|
|
to be of the specified format.
|
|
|
|
If the string cannot be validated as an isbn,
|
|
it returns nothing unless return_invalid param is passed.
|
|
|
|
#FIXME This routine (and others?) should be moved to Koha::Util::Normalize
|
|
|
|
=cut
|
|
|
|
sub NormalizeISBN {
|
|
my ($params) = @_;
|
|
|
|
my $string = $params->{isbn};
|
|
my $strip_hyphens = $params->{strip_hyphens};
|
|
my $format = $params->{format} || q{};
|
|
my $return_invalid = $params->{return_invalid};
|
|
|
|
return unless $string;
|
|
|
|
my $isbn = Business::ISBN->new($string);
|
|
|
|
if ( $isbn && $isbn->is_valid() ) {
|
|
|
|
if ( $format eq 'ISBN-10' ) {
|
|
$isbn = $isbn->as_isbn10();
|
|
}
|
|
elsif ( $format eq 'ISBN-13' ) {
|
|
$isbn = $isbn->as_isbn13();
|
|
}
|
|
return unless $isbn;
|
|
|
|
if ($strip_hyphens) {
|
|
$string = $isbn->as_string( [] );
|
|
} else {
|
|
$string = $isbn->as_string();
|
|
}
|
|
|
|
return $string;
|
|
} elsif ( $return_invalid ) {
|
|
return $string;
|
|
}
|
|
|
|
}
|
|
|
|
=head2 GetVariationsOfISBN
|
|
|
|
my @isbns = GetVariationsOfISBN( $isbn );
|
|
|
|
Returns a list of variations of the given isbn in
|
|
both ISBN-10 and ISBN-13 formats, with and without
|
|
hyphens.
|
|
|
|
In a scalar context, the isbns are returned as a
|
|
string delimited by ' | '.
|
|
|
|
=cut
|
|
|
|
sub GetVariationsOfISBN {
|
|
my ($isbn) = @_;
|
|
|
|
return unless $isbn;
|
|
|
|
my @isbns;
|
|
|
|
push( @isbns, NormalizeISBN({ isbn => $isbn, return_invalid => 1 }) );
|
|
push( @isbns, NormalizeISBN({ isbn => $isbn, format => 'ISBN-10' }) );
|
|
push( @isbns, NormalizeISBN({ isbn => $isbn, format => 'ISBN-13' }) );
|
|
push( @isbns, NormalizeISBN({ isbn => $isbn, format => 'ISBN-10', strip_hyphens => 1 }) );
|
|
push( @isbns, NormalizeISBN({ isbn => $isbn, format => 'ISBN-13', strip_hyphens => 1 }) );
|
|
|
|
# Strip out any "empty" strings from the array
|
|
@isbns = grep { defined($_) && $_ =~ /\S/ } @isbns;
|
|
|
|
return wantarray ? @isbns : join( " | ", @isbns );
|
|
}
|
|
|
|
=head2 GetVariationsOfISBNs
|
|
|
|
my @isbns = GetVariationsOfISBNs( @isbns );
|
|
|
|
Returns a list of variations of the given isbns in
|
|
both ISBN-10 and ISBN-13 formats, with and without
|
|
hyphens.
|
|
|
|
In a scalar context, the isbns are returned as a
|
|
string delimited by ' | '.
|
|
|
|
=cut
|
|
|
|
sub GetVariationsOfISBNs {
|
|
my (@isbns) = @_;
|
|
|
|
@isbns = map { GetVariationsOfISBN( $_ ) } @isbns;
|
|
|
|
return wantarray ? @isbns : join( " | ", @isbns );
|
|
}
|
|
|
|
=head2 NormalizedISSN
|
|
|
|
my $issns = NormalizedISSN({
|
|
issn => $issn,
|
|
strip_hyphen => [0,1]
|
|
});
|
|
|
|
Returns an issn validated by Business::ISSN.
|
|
Optionally strips hyphen.
|
|
|
|
If the string cannot be validated as an issn,
|
|
it returns nothing.
|
|
|
|
=cut
|
|
|
|
sub NormalizeISSN {
|
|
my ($params) = @_;
|
|
|
|
my $string = $params->{issn};
|
|
my $strip_hyphen = $params->{strip_hyphen};
|
|
|
|
my $issn = Business::ISSN->new($string);
|
|
|
|
if ( $issn && $issn->is_valid ){
|
|
|
|
if ($strip_hyphen) {
|
|
$string = $issn->_issn;
|
|
}
|
|
else {
|
|
$string = $issn->as_string;
|
|
}
|
|
return $string;
|
|
}
|
|
|
|
}
|
|
|
|
=head2 GetVariationsOfISSN
|
|
|
|
my @issns = GetVariationsOfISSN( $issn );
|
|
|
|
Returns a list of variations of the given issn in
|
|
with and without a hyphen.
|
|
|
|
In a scalar context, the issns are returned as a
|
|
string delimited by ' | '.
|
|
|
|
=cut
|
|
|
|
sub GetVariationsOfISSN {
|
|
my ( $issn ) = @_;
|
|
|
|
return unless $issn;
|
|
|
|
my @issns;
|
|
my $str = NormalizeISSN({ issn => $issn });
|
|
if( $str ) {
|
|
push @issns, $str;
|
|
push @issns, NormalizeISSN({ issn => $issn, strip_hyphen => 1 });
|
|
} else {
|
|
push @issns, $issn;
|
|
}
|
|
|
|
# Strip out any "empty" strings from the array
|
|
@issns = grep { defined($_) && $_ =~ /\S/ } @issns;
|
|
|
|
return wantarray ? @issns : join( " | ", @issns );
|
|
}
|
|
|
|
=head2 GetVariationsOfISSNs
|
|
|
|
my @issns = GetVariationsOfISSNs( @issns );
|
|
|
|
Returns a list of variations of the given issns in
|
|
with and without a hyphen.
|
|
|
|
In a scalar context, the issns are returned as a
|
|
string delimited by ' | '.
|
|
|
|
=cut
|
|
|
|
sub GetVariationsOfISSNs {
|
|
my (@issns) = @_;
|
|
|
|
@issns = map { GetVariationsOfISSN( $_ ) } @issns;
|
|
|
|
return wantarray ? @issns : join( " | ", @issns );
|
|
}
|
|
|
|
1;
|
|
|
|
__END__
|
|
|
|
=head1 AUTHOR
|
|
|
|
Koha Team
|
|
|
|
=cut
|
|
|