package C4::Koha;
# Copyright 2000-2002 Katipo Communications
# Parts Copyright 2010 Nelsonville Public Library
# Parts copyright 2010 BibLibre
#
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with Koha; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
use strict;
#use warnings; FIXME - Bug 2505
use C4::Context;
use C4::Output;
use URI::Split qw(uri_split);
use Memoize;
use Business::ISBN;
use vars qw($VERSION @ISA @EXPORT $DEBUG);
BEGIN {
$VERSION = 3.01;
require Exporter;
@ISA = qw(Exporter);
@EXPORT = qw(
&slashifyDate
&subfield_is_koha_internal_p
&GetPrinters &GetPrinter
&GetItemTypes &getitemtypeinfo
&GetCcodes
&GetSupportName &GetSupportList
&get_itemtypeinfos_of
&getframeworks &getframeworkinfo
&getauthtypes &getauthtype
&getallthemes
&getFacets
&displayServers
&getnbpages
&get_infos_of
&get_notforloan_label_of
&getitemtypeimagedir
&getitemtypeimagesrc
&getitemtypeimagelocation
&GetAuthorisedValues
&GetAuthorisedValueCategories
&GetKohaAuthorisedValues
&GetKohaAuthorisedValuesFromField
&GetKohaAuthorisedValueLib
&GetAuthorisedValueByCode
&GetKohaImageurlFromAuthorisedValues
&GetAuthValCode
&GetNormalizedUPC
&GetNormalizedISBN
&GetNormalizedEAN
&GetNormalizedOCLCNumber
&xml_escape
$DEBUG
);
$DEBUG = 0;
}
# expensive functions
memoize('GetAuthorisedValues');
=head1 NAME
C4::Koha - Perl Module containing convenience functions for Koha scripts
=head1 SYNOPSIS
use C4::Koha;
=head1 DESCRIPTION
Koha.pm provides many functions for Koha scripts.
=head1 FUNCTIONS
=cut
=head2 slashifyDate
$slash_date = &slashifyDate($dash_date);
Takes a string of the form "DD-MM-YYYY" (or anything separated by
dashes), converts it to the form "YYYY/MM/DD", and returns the result.
=cut
sub slashifyDate {
# accepts a date of the form xx-xx-xx[xx] and returns it in the
# form xx/xx/xx[xx]
my @dateOut = split( '-', shift );
return ("$dateOut[2]/$dateOut[1]/$dateOut[0]");
}
# FIXME.. this should be moved to a MARC-specific module
sub subfield_is_koha_internal_p ($) {
my ($subfield) = @_;
# We could match on 'lib' and 'tab' (and 'mandatory', & more to come!)
# But real MARC subfields are always single-character
# so it really is safer just to check the length
return length $subfield != 1;
}
=head2 GetSupportName
$itemtypename = &GetSupportName($codestring);
Returns a string with the name of the itemtype.
=cut
sub GetSupportName{
my ($codestring)=@_;
return if (! $codestring);
my $resultstring;
my $advanced_search_types = C4::Context->preference("AdvancedSearchTypes");
if (!$advanced_search_types or $advanced_search_types eq 'itemtypes') {
my $query = qq|
SELECT description
FROM itemtypes
WHERE itemtype=?
order by description
|;
my $sth = C4::Context->dbh->prepare($query);
$sth->execute($codestring);
($resultstring)=$sth->fetchrow;
return $resultstring;
} else {
my $sth =
C4::Context->dbh->prepare(
"SELECT lib FROM authorised_values WHERE category = ? AND authorised_value = ?"
);
$sth->execute( $advanced_search_types, $codestring );
my $data = $sth->fetchrow_hashref;
return $$data{'lib'};
}
}
=head2 GetSupportList
$itemtypes = &GetSupportList();
Returns an array ref containing informations about Support (since itemtype is rather a circulation code when item-level-itypes is used).
build a HTML select with the following code :
=head3 in PERL SCRIPT
my $itemtypes = GetSupportList();
$template->param(itemtypeloop => $itemtypes);
=head3 in TEMPLATE
=cut
sub GetSupportList{
my $advanced_search_types = C4::Context->preference("AdvancedSearchTypes");
if (!$advanced_search_types or $advanced_search_types eq 'itemtypes') {
my $query = qq|
SELECT *
FROM itemtypes
order by description
|;
my $sth = C4::Context->dbh->prepare($query);
$sth->execute;
return $sth->fetchall_arrayref({});
} else {
my $advsearchtypes = GetAuthorisedValues($advanced_search_types);
my @results= map {{itemtype=>$$_{authorised_value},description=>$$_{lib},imageurl=>$$_{imageurl}}} @$advsearchtypes;
return \@results;
}
}
=head2 GetItemTypes
$itemtypes = &GetItemTypes();
Returns information about existing itemtypes.
build a HTML select with the following code :
=head3 in PERL SCRIPT
my $itemtypes = GetItemTypes;
my @itemtypesloop;
foreach my $thisitemtype (sort keys %$itemtypes) {
my $selected = 1 if $thisitemtype eq $itemtype;
my %row =(value => $thisitemtype,
selected => $selected,
description => $itemtypes->{$thisitemtype}->{'description'},
);
push @itemtypesloop, \%row;
}
$template->param(itemtypeloop => \@itemtypesloop);
=head3 in TEMPLATE
=cut
sub GetItemTypes {
# returns a reference to a hash of references to itemtypes...
my %itemtypes;
my $dbh = C4::Context->dbh;
my $query = qq|
SELECT *
FROM itemtypes
|;
my $sth = $dbh->prepare($query);
$sth->execute;
while ( my $IT = $sth->fetchrow_hashref ) {
$itemtypes{ $IT->{'itemtype'} } = $IT;
}
return ( \%itemtypes );
}
sub get_itemtypeinfos_of {
my @itemtypes = @_;
my $placeholders = join( ', ', map { '?' } @itemtypes );
my $query = <<"END_SQL";
SELECT itemtype,
description,
imageurl,
notforloan
FROM itemtypes
WHERE itemtype IN ( $placeholders )
END_SQL
return get_infos_of( $query, 'itemtype', undef, \@itemtypes );
}
# this is temporary until we separate collection codes and item types
sub GetCcodes {
my $count = 0;
my @results;
my $dbh = C4::Context->dbh;
my $sth =
$dbh->prepare(
"SELECT * FROM authorised_values ORDER BY authorised_value");
$sth->execute;
while ( my $data = $sth->fetchrow_hashref ) {
if ( $data->{category} eq "CCODE" ) {
$count++;
$results[$count] = $data;
#warn "data: $data";
}
}
$sth->finish;
return ( $count, @results );
}
=head2 getauthtypes
$authtypes = &getauthtypes();
Returns information about existing authtypes.
build a HTML select with the following code :
=head3 in PERL SCRIPT
my $authtypes = getauthtypes;
my @authtypesloop;
foreach my $thisauthtype (keys %$authtypes) {
my $selected = 1 if $thisauthtype eq $authtype;
my %row =(value => $thisauthtype,
selected => $selected,
authtypetext => $authtypes->{$thisauthtype}->{'authtypetext'},
);
push @authtypesloop, \%row;
}
$template->param(itemtypeloop => \@itemtypesloop);
=head3 in TEMPLATE
=cut
sub getauthtypes {
# returns a reference to a hash of references to authtypes...
my %authtypes;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("select * from auth_types order by authtypetext");
$sth->execute;
while ( my $IT = $sth->fetchrow_hashref ) {
$authtypes{ $IT->{'authtypecode'} } = $IT;
}
return ( \%authtypes );
}
sub getauthtype {
my ($authtypecode) = @_;
# returns a reference to a hash of references to authtypes...
my %authtypes;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("select * from auth_types where authtypecode=?");
$sth->execute($authtypecode);
my $res = $sth->fetchrow_hashref;
return $res;
}
=head2 getframework
$frameworks = &getframework();
Returns information about existing frameworks
build a HTML select with the following code :
=head3 in PERL SCRIPT
my $frameworks = frameworks();
my @frameworkloop;
foreach my $thisframework (keys %$frameworks) {
my $selected = 1 if $thisframework eq $frameworkcode;
my %row =(value => $thisframework,
selected => $selected,
description => $frameworks->{$thisframework}->{'frameworktext'},
);
push @frameworksloop, \%row;
}
$template->param(frameworkloop => \@frameworksloop);
=head3 in TEMPLATE
=cut
sub getframeworks {
# returns a reference to a hash of references to branches...
my %itemtypes;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("select * from biblio_framework");
$sth->execute;
while ( my $IT = $sth->fetchrow_hashref ) {
$itemtypes{ $IT->{'frameworkcode'} } = $IT;
}
return ( \%itemtypes );
}
=head2 getframeworkinfo
$frameworkinfo = &getframeworkinfo($frameworkcode);
Returns information about an frameworkcode.
=cut
sub getframeworkinfo {
my ($frameworkcode) = @_;
my $dbh = C4::Context->dbh;
my $sth =
$dbh->prepare("select * from biblio_framework where frameworkcode=?");
$sth->execute($frameworkcode);
my $res = $sth->fetchrow_hashref;
return $res;
}
=head2 getitemtypeinfo
$itemtype = &getitemtype($itemtype);
Returns information about an itemtype.
=cut
sub getitemtypeinfo {
my ($itemtype) = @_;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("select * from itemtypes where itemtype=?");
$sth->execute($itemtype);
my $res = $sth->fetchrow_hashref;
$res->{imageurl} = getitemtypeimagelocation( 'intranet', $res->{imageurl} );
return $res;
}
=head2 getitemtypeimagedir
my $directory = getitemtypeimagedir( 'opac' );
pass in 'opac' or 'intranet'. Defaults to 'opac'.
returns the full path to the appropriate directory containing images.
=cut
sub getitemtypeimagedir {
my $src = shift || 'opac';
if ($src eq 'intranet') {
return C4::Context->config('intrahtdocs') . '/' .C4::Context->preference('template') . '/img/itemtypeimg';
} else {
return C4::Context->config('opachtdocs') . '/' . C4::Context->preference('template') . '/itemtypeimg';
}
}
sub getitemtypeimagesrc {
my $src = shift || 'opac';
if ($src eq 'intranet') {
return '/intranet-tmpl' . '/' . C4::Context->preference('template') . '/img/itemtypeimg';
} else {
return '/opac-tmpl' . '/' . C4::Context->preference('template') . '/itemtypeimg';
}
}
sub getitemtypeimagelocation($$) {
my ( $src, $image ) = @_;
return '' if ( !$image );
my $scheme = ( uri_split( $image ) )[0];
return $image if ( $scheme );
return getitemtypeimagesrc( $src ) . '/' . $image;
}
=head3 _getImagesFromDirectory
Find all of the image files in a directory in the filesystem
parameters: a directory name
returns: a list of images in that directory.
Notes: this does not traverse into subdirectories. See
_getSubdirectoryNames for help with that.
Images are assumed to be files with .gif or .png file extensions.
The image names returned do not have the directory name on them.
=cut
sub _getImagesFromDirectory {
my $directoryname = shift;
return unless defined $directoryname;
return unless -d $directoryname;
if ( opendir ( my $dh, $directoryname ) ) {
my @images = grep { /\.(gif|png)$/i } readdir( $dh );
closedir $dh;
@images = sort(@images);
return @images;
} else {
warn "unable to opendir $directoryname: $!";
return;
}
}
=head3 _getSubdirectoryNames
Find all of the directories in a directory in the filesystem
parameters: a directory name
returns: a list of subdirectories in that directory.
Notes: this does not traverse into subdirectories. Only the first
level of subdirectories are returned.
The directory names returned don't have the parent directory name on them.
=cut
sub _getSubdirectoryNames {
my $directoryname = shift;
return unless defined $directoryname;
return unless -d $directoryname;
if ( opendir ( my $dh, $directoryname ) ) {
my @directories = grep { -d File::Spec->catfile( $directoryname, $_ ) && ! ( /^\./ ) } readdir( $dh );
closedir $dh;
return @directories;
} else {
warn "unable to opendir $directoryname: $!";
return;
}
}
=head3 getImageSets
returns: a listref of hashrefs. Each hash represents another collection of images.
{ imagesetname => 'npl', # the name of the image set (npl is the original one)
images => listref of image hashrefs
}
each image is represented by a hashref like this:
{ KohaImage => 'npl/image.gif',
StaffImageUrl => '/intranet-tmpl/prog/img/itemtypeimg/npl/image.gif',
OpacImageURL => '/opac-tmpl/prog/itemtypeimg/npl/image.gif'
checked => 0 or 1: was this the image passed to this method?
Note: I'd like to remove this somehow.
}
=cut
sub getImageSets {
my %params = @_;
my $checked = $params{'checked'} || '';
my $paths = { staff => { filesystem => getitemtypeimagedir('intranet'),
url => getitemtypeimagesrc('intranet'),
},
opac => { filesystem => getitemtypeimagedir('opac'),
url => getitemtypeimagesrc('opac'),
}
};
my @imagesets = (); # list of hasrefs of image set data to pass to template
my @subdirectories = _getSubdirectoryNames( $paths->{'staff'}{'filesystem'} );
warn $paths->{'staff'}{'filesystem'};
foreach my $imagesubdir ( @subdirectories ) {
warn $imagesubdir;
my @imagelist = (); # hashrefs of image info
my @imagenames = _getImagesFromDirectory( File::Spec->catfile( $paths->{'staff'}{'filesystem'}, $imagesubdir ) );
my $imagesetactive = 0;
foreach my $thisimage ( @imagenames ) {
push( @imagelist,
{ KohaImage => "$imagesubdir/$thisimage",
StaffImageUrl => join( '/', $paths->{'staff'}{'url'}, $imagesubdir, $thisimage ),
OpacImageUrl => join( '/', $paths->{'opac'}{'url'}, $imagesubdir, $thisimage ),
checked => "$imagesubdir/$thisimage" eq $checked ? 1 : 0,
}
);
$imagesetactive = 1 if "$imagesubdir/$thisimage" eq $checked;
}
push @imagesets, { imagesetname => $imagesubdir,
imagesetactive => $imagesetactive,
images => \@imagelist };
}
return \@imagesets;
}
=head2 GetPrinters
$printers = &GetPrinters();
@queues = keys %$printers;
Returns information about existing printer queues.
C<$printers> is a reference-to-hash whose keys are the print queues
defined in the printers table of the Koha database. The values are
references-to-hash, whose keys are the fields in the printers table.
=cut
sub GetPrinters {
my %printers;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("select * from printers");
$sth->execute;
while ( my $printer = $sth->fetchrow_hashref ) {
$printers{ $printer->{'printqueue'} } = $printer;
}
return ( \%printers );
}
=head2 GetPrinter
$printer = GetPrinter( $query, $printers );
=cut
sub GetPrinter ($$) {
my ( $query, $printers ) = @_; # get printer for this query from printers
my $printer = $query->param('printer');
my %cookie = $query->cookie('userenv');
($printer) || ( $printer = $cookie{'printer'} ) || ( $printer = '' );
( $printers->{$printer} ) || ( $printer = ( keys %$printers )[0] );
return $printer;
}
=head2 getnbpages
Returns the number of pages to display in a pagination bar, given the number
of items and the number of items per page.
=cut
sub getnbpages {
my ( $nb_items, $nb_items_per_page ) = @_;
return int( ( $nb_items - 1 ) / $nb_items_per_page ) + 1;
}
=head2 getallthemes
(@themes) = &getallthemes('opac');
(@themes) = &getallthemes('intranet');
Returns an array of all available themes.
=cut
sub getallthemes {
my $type = shift;
my $htdocs;
my @themes;
if ( $type eq 'intranet' ) {
$htdocs = C4::Context->config('intrahtdocs');
}
else {
$htdocs = C4::Context->config('opachtdocs');
}
opendir D, "$htdocs";
my @dirlist = readdir D;
foreach my $directory (@dirlist) {
-d "$htdocs/$directory/en" and push @themes, $directory;
}
return @themes;
}
sub getFacets {
my $facets;
if ( C4::Context->preference("marcflavour") eq "UNIMARC" ) {
$facets = [
{
link_value => 'su-to',
label_value => 'Topics',
tags =>
[ '600', '601', '602', '603', '604', '605', '606', '610' ],
subfield => 'a',
},
{
link_value => 'su-geo',
label_value => 'Places',
tags => ['651'],
subfield => 'a',
},
{
link_value => 'su-ut',
label_value => 'Titles',
tags => [ '500', '501', '502', '503', '504', ],
subfield => 'a',
},
{
link_value => 'au',
label_value => 'Authors',
tags => [ '700', '701', '702', ],
subfield => 'a',
},
{
link_value => 'se',
label_value => 'Series',
tags => ['225'],
subfield => 'a',
},
];
my $library_facet;
$library_facet = {
link_value => 'branch',
label_value => 'Libraries',
tags => [ '995', ],
subfield => 'b',
expanded => '1',
};
push @$facets, $library_facet unless C4::Context->preference("singleBranchMode");
}
else {
$facets = [
{
link_value => 'su-to',
label_value => 'Topics',
tags => ['650'],
subfield => 'a',
},
# {
# link_value => 'su-na',
# label_value => 'People and Organizations',
# tags => ['600', '610', '611'],
# subfield => 'a',
# },
{
link_value => 'su-geo',
label_value => 'Places',
tags => ['651'],
subfield => 'a',
},
{
link_value => 'su-ut',
label_value => 'Titles',
tags => ['630'],
subfield => 'a',
},
{
link_value => 'au',
label_value => 'Authors',
tags => [ '100', '110', '700', ],
subfield => 'a',
},
{
link_value => 'se',
label_value => 'Series',
tags => [ '440', '490', ],
subfield => 'a',
},
];
my $library_facet;
$library_facet = {
link_value => 'branch',
label_value => 'Libraries',
tags => [ '952', ],
subfield => 'b',
expanded => '1',
};
push @$facets, $library_facet unless C4::Context->preference("singleBranchMode");
}
return $facets;
}
=head2 get_infos_of
Return a href where a key is associated to a href. You give a query,
the name of the key among the fields returned by the query. If you
also give as third argument the name of the value, the function
returns a href of scalar. The optional 4th argument is an arrayref of
items passed to the C call. It is designed to bind
parameters to any placeholders in your SQL.
my $query = '
SELECT itemnumber,
notforloan,
barcode
FROM items
';
# generic href of any information on the item, href of href.
my $iteminfos_of = get_infos_of($query, 'itemnumber');
print $iteminfos_of->{$itemnumber}{barcode};
# specific information, href of scalar
my $barcode_of_item = get_infos_of($query, 'itemnumber', 'barcode');
print $barcode_of_item->{$itemnumber};
=cut
sub get_infos_of {
my ( $query, $key_name, $value_name, $bind_params ) = @_;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare($query);
$sth->execute( @$bind_params );
my %infos_of;
while ( my $row = $sth->fetchrow_hashref ) {
if ( defined $value_name ) {
$infos_of{ $row->{$key_name} } = $row->{$value_name};
}
else {
$infos_of{ $row->{$key_name} } = $row;
}
}
$sth->finish;
return \%infos_of;
}
=head2 get_notforloan_label_of
my $notforloan_label_of = get_notforloan_label_of();
Each authorised value of notforloan (information available in items and
itemtypes) is link to a single label.
Returns a href where keys are authorised values and values are corresponding
labels.
foreach my $authorised_value (keys %{$notforloan_label_of}) {
printf(
"authorised_value: %s => %s\n",
$authorised_value,
$notforloan_label_of->{$authorised_value}
);
}
=cut
# FIXME - why not use GetAuthorisedValues ??
#
sub get_notforloan_label_of {
my $dbh = C4::Context->dbh;
my $query = '
SELECT authorised_value
FROM marc_subfield_structure
WHERE kohafield = \'items.notforloan\'
LIMIT 0, 1
';
my $sth = $dbh->prepare($query);
$sth->execute();
my ($statuscode) = $sth->fetchrow_array();
$query = '
SELECT lib,
authorised_value
FROM authorised_values
WHERE category = ?
';
$sth = $dbh->prepare($query);
$sth->execute($statuscode);
my %notforloan_label_of;
while ( my $row = $sth->fetchrow_hashref ) {
$notforloan_label_of{ $row->{authorised_value} } = $row->{lib};
}
$sth->finish;
return \%notforloan_label_of;
}
=head2 displayServers
my $servers = displayServers();
my $servers = displayServers( $position );
my $servers = displayServers( $position, $type );
displayServers returns a listref of hashrefs, each containing
information about available z3950 servers. Each hashref has a format
like:
{
'checked' => 'checked',
'encoding' => 'MARC-8'
'icon' => undef,
'id' => 'LIBRARY OF CONGRESS',
'label' => '',
'name' => 'server',
'opensearch' => '',
'value' => 'z3950.loc.gov:7090/',
'zed' => 1,
},
=cut
sub displayServers {
my ( $position, $type ) = @_;
my $dbh = C4::Context->dbh;
my $strsth = 'SELECT * FROM z3950servers';
my @where_clauses;
my @bind_params;
if ($position) {
push @bind_params, $position;
push @where_clauses, ' position = ? ';
}
if ($type) {
push @bind_params, $type;
push @where_clauses, ' type = ? ';
}
# reassemble where clause from where clause pieces
if (@where_clauses) {
$strsth .= ' WHERE ' . join( ' AND ', @where_clauses );
}
my $rq = $dbh->prepare($strsth);
$rq->execute(@bind_params);
my @primaryserverloop;
while ( my $data = $rq->fetchrow_hashref ) {
push @primaryserverloop,
{ label => $data->{description},
id => $data->{name},
name => "server",
value => $data->{host} . ":" . $data->{port} . "/" . $data->{database},
encoding => ( $data->{encoding} ? $data->{encoding} : "iso-5426" ),
checked => "checked",
icon => $data->{icon},
zed => $data->{type} eq 'zed',
opensearch => $data->{type} eq 'opensearch'
};
}
return \@primaryserverloop;
}
=head2 GetKohaImageurlFromAuthorisedValues
$authhorised_value = GetKohaImageurlFromAuthorisedValues( $category, $authvalcode );
Return the first url of the authorised value image represented by $lib.
=cut
sub GetKohaImageurlFromAuthorisedValues {
my ( $category, $lib ) = @_;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("SELECT imageurl FROM authorised_values WHERE category=? AND lib =?");
$sth->execute( $category, $lib );
while ( my $data = $sth->fetchrow_hashref ) {
return $data->{'imageurl'};
}
}
=head2 GetAuthValCode
$authvalcode = GetAuthValCode($kohafield,$frameworkcode);
=cut
sub GetAuthValCode {
my ($kohafield,$fwcode) = @_;
my $dbh = C4::Context->dbh;
$fwcode='' unless $fwcode;
my $sth = $dbh->prepare('select authorised_value from marc_subfield_structure where kohafield=? and frameworkcode=?');
$sth->execute($kohafield,$fwcode);
my ($authvalcode) = $sth->fetchrow_array;
return $authvalcode;
}
=head2 GetAuthValCodeFromField
$authvalcode = GetAuthValCodeFromField($field,$subfield,$frameworkcode);
C<$subfield> can be undefined
=cut
sub GetAuthValCodeFromField {
my ($field,$subfield,$fwcode) = @_;
my $dbh = C4::Context->dbh;
$fwcode='' unless $fwcode;
my $sth;
if (defined $subfield) {
$sth = $dbh->prepare('select authorised_value from marc_subfield_structure where tagfield=? and tagsubfield=? and frameworkcode=?');
$sth->execute($field,$subfield,$fwcode);
} else {
$sth = $dbh->prepare('select authorised_value from marc_tag_structure where tagfield=? and frameworkcode=?');
$sth->execute($field,$fwcode);
}
my ($authvalcode) = $sth->fetchrow_array;
return $authvalcode;
}
=head2 GetAuthorisedValues
$authvalues = GetAuthorisedValues([$category], [$selected]);
This function returns all authorised values from the'authorised_value' table in a reference to array of hashrefs.
C<$category> returns authorised values for just one category (optional).
C<$opac> If set to a true value, displays OPAC descriptions rather than normal ones when they exist.
=cut
sub GetAuthorisedValues {
my ($category,$selected,$opac) = @_;
my @results;
my $dbh = C4::Context->dbh;
my $query = "SELECT * FROM authorised_values";
$query .= " WHERE category = '" . $category . "'" if $category;
$query .= " ORDER BY category, lib, lib_opac";
my $sth = $dbh->prepare($query);
$sth->execute;
while (my $data=$sth->fetchrow_hashref) {
if ($selected && $selected eq $data->{'authorised_value'} ) {
$data->{'selected'} = 1;
}
if ($opac && $data->{'lib_opac'}) {
$data->{'lib'} = $data->{'lib_opac'};
}
push @results, $data;
}
#my $data = $sth->fetchall_arrayref({});
return \@results; #$data;
}
=head2 GetAuthorisedValueCategories
$auth_categories = GetAuthorisedValueCategories();
Return an arrayref of all of the available authorised
value categories.
=cut
sub GetAuthorisedValueCategories {
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("SELECT DISTINCT category FROM authorised_values ORDER BY category");
$sth->execute;
my @results;
while (my $category = $sth->fetchrow_array) {
push @results, $category;
}
return \@results;
}
=head2 GetAuthorisedValueByCode
$authhorised_value = GetAuthorisedValueByCode( $category, $authvalcode );
Return the lib attribute from authorised_values from the row identified
by the passed category and code
=cut
sub GetAuthorisedValueByCode {
my ( $category, $authvalcode ) = @_;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("SELECT lib FROM authorised_values WHERE category=? AND authorised_value =?");
$sth->execute( $category, $authvalcode );
while ( my $data = $sth->fetchrow_hashref ) {
return $data->{'lib'};
}
}
=head2 GetKohaAuthorisedValues
Takes $kohafield, $fwcode as parameters.
If $opac parameter is set to a true value, displays OPAC descriptions rather than normal ones when they exist.
Returns hashref of Code => description
Returns undef if no authorised value category is defined for the kohafield.
=cut
sub GetKohaAuthorisedValues {
my ($kohafield,$fwcode,$opac) = @_;
$fwcode='' unless $fwcode;
my %values;
my $dbh = C4::Context->dbh;
my $avcode = GetAuthValCode($kohafield,$fwcode);
if ($avcode) {
my $sth = $dbh->prepare("select authorised_value, lib, lib_opac from authorised_values where category=? ");
$sth->execute($avcode);
while ( my ($val, $lib, $lib_opac) = $sth->fetchrow_array ) {
$values{$val} = ($opac && $lib_opac) ? $lib_opac : $lib;
}
return \%values;
} else {
return undef;
}
}
=head2 GetKohaAuthorisedValuesFromField
Takes $field, $subfield, $fwcode as parameters.
If $opac parameter is set to a true value, displays OPAC descriptions rather than normal ones when they exist.
$subfield can be undefined
Returns hashref of Code => description
Returns undef if no authorised value category is defined for the given field and subfield
=cut
sub GetKohaAuthorisedValuesFromField {
my ($field, $subfield, $fwcode,$opac) = @_;
$fwcode='' unless $fwcode;
my %values;
my $dbh = C4::Context->dbh;
my $avcode = GetAuthValCodeFromField($field, $subfield, $fwcode);
if ($avcode) {
my $sth = $dbh->prepare("select authorised_value, lib, lib_opac from authorised_values where category=? ");
$sth->execute($avcode);
while ( my ($val, $lib, $lib_opac) = $sth->fetchrow_array ) {
$values{$val} = ($opac && $lib_opac) ? $lib_opac : $lib;
}
return \%values;
} else {
return undef;
}
}
=head2 xml_escape
my $escaped_string = C4::Koha::xml_escape($string);
Convert &, <, >, ', and " in a string to XML entities
=cut
sub xml_escape {
my $str = shift;
return '' unless defined $str;
$str =~ s/&/&/g;
$str =~ s//>/g;
$str =~ s/'/'/g;
$str =~ s/"/"/g;
return $str;
}
=head2 GetKohaAuthorisedValueLib
Takes $category, $authorised_value as parameters.
If $opac parameter is set to a true value, displays OPAC descriptions rather than normal ones when they exist.
Returns authorised value description
=cut
sub GetKohaAuthorisedValueLib {
my ($category,$authorised_value,$opac) = @_;
my $value;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare("select lib, lib_opac from authorised_values where category=? and authorised_value=?");
$sth->execute($category,$authorised_value);
my $data = $sth->fetchrow_hashref;
$value = ($opac && $$data{'lib_opac'}) ? $$data{'lib_opac'} : $$data{'lib'};
return $value;
}
=head2 display_marc_indicators
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->tag() >= 10) {
$indicators = $field->indicator(1) . $field->indicator(2);
$indicators =~ s/ /#/g;
}
return $indicators;
}
sub GetNormalizedUPC {
my ($record,$marcflavour) = @_;
my (@fields,$upc);
if ($marcflavour eq 'MARC21') {
@fields = $record->field('024');
foreach my $field (@fields) {
my $indicator = $field->indicator(1);
my $upc = _normalize_match_point($field->subfield('a'));
if ($indicator == 1 and $upc ne '') {
return $upc;
}
}
}
else { # assume unimarc if not marc21
@fields = $record->field('072');
foreach my $field (@fields) {
my $upc = _normalize_match_point($field->subfield('a'));
if ($upc ne '') {
return $upc;
}
}
}
}
# Normalizes and returns the first valid ISBN found in the record
# ISBN13 are converted into ISBN10. This is required to get Amazon cover book.
sub GetNormalizedISBN {
my ($isbn,$record,$marcflavour) = @_;
my @fields;
if ($isbn) {
# Koha attempts to store multiple ISBNs in biblioitems.isbn, separated by " | "
# anything after " | " should be removed, along with the delimiter
$isbn =~ s/(.*)( \| )(.*)/$1/;
return _isbn_cleanup($isbn);
}
return undef unless $record;
if ($marcflavour eq 'MARC21') {
@fields = $record->field('020');
foreach my $field (@fields) {
$isbn = $field->subfield('a');
if ($isbn) {
return _isbn_cleanup($isbn);
} else {
return undef;
}
}
}
else { # assume unimarc if not marc21
@fields = $record->field('010');
foreach my $field (@fields) {
my $isbn = $field->subfield('a');
if ($isbn) {
return _isbn_cleanup($isbn);
} else {
return undef;
}
}
}
}
sub GetNormalizedEAN {
my ($record,$marcflavour) = @_;
my (@fields,$ean);
if ($marcflavour eq 'MARC21') {
@fields = $record->field('024');
foreach my $field (@fields) {
my $indicator = $field->indicator(1);
$ean = _normalize_match_point($field->subfield('a'));
if ($indicator == 3 and $ean ne '') {
return $ean;
}
}
}
else { # assume unimarc if not marc21
@fields = $record->field('073');
foreach my $field (@fields) {
$ean = _normalize_match_point($field->subfield('a'));
if ($ean ne '') {
return $ean;
}
}
}
}
sub GetNormalizedOCLCNumber {
my ($record,$marcflavour) = @_;
my (@fields,$oclc);
if ($marcflavour eq 'MARC21') {
@fields = $record->field('035');
foreach my $field (@fields) {
$oclc = $field->subfield('a');
if ($oclc =~ /OCoLC/) {
$oclc =~ s/\(OCoLC\)//;
return $oclc;
} else {
return undef;
}
}
}
else { # TODO: add UNIMARC fields
}
}
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 = Business::ISBN->new( $_[0] );
if ( $isbn ) {
$isbn = $isbn->as_isbn10 if $isbn->type eq 'ISBN13';
if (defined $isbn) {
return $isbn->as_string([]);
}
}
return;
}
1;
__END__
=head1 AUTHOR
Koha Team
=cut