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Koha/C4/Koha.pm
Andrew Moore aef807a937 bug 2047: refactoring icon manipulation logic 
I'm extracting some of the icon manipulation logic so that I can get to it from the authorized values pages.

There should be no functionality or documentation changes with this commit.

Signed-off-by: Joshua Ferraro <jmf@liblime.com>
2008-04-30 20:10:09 -05:00

1088 lines
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Perl
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package C4::Koha;
# Copyright 2000-2002 Katipo Communications
#
# 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., 59 Temple Place,
# Suite 330, Boston, MA 02111-1307 USA
use strict;
use C4::Context;
use C4::Output;
use MIME::Base64 qw(encode_base64 decode_base64);
use Encode qw(encode decode);
use vars qw($VERSION @ISA @EXPORT $DEBUG);
BEGIN {
$VERSION = 3.01;
require Exporter;
@ISA = qw(Exporter);
@EXPORT = qw(
&slashifyDate
&DisplayISBN
&subfield_is_koha_internal_p
&GetPrinters &GetPrinter
&GetItemTypes &getitemtypeinfo
&GetCcodes
&get_itemtypeinfos_of
&getframeworks &getframeworkinfo
&getauthtypes &getauthtype
&getallthemes
&getFacets
&displayServers
&getnbpages
&getitemtypeimagesrcfromurl
&get_infos_of
&get_notforloan_label_of
&getitemtypeimagedir
&getitemtypeimagesrc
&GetAuthorisedValues
&GetKohaAuthorisedValues
&GetAuthValCode
&GetManagedTagSubfields
&str_to_base64
&base64_to_str
$DEBUG
);
$DEBUG = 0;
}
=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
=over 2
=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]");
}
=head2 DisplayISBN
my $string = DisplayISBN( $isbn );
=cut
sub DisplayISBN {
my ($isbn) = @_;
if (length ($isbn)<13){
my $seg1;
if ( substr( $isbn, 0, 1 ) <= 7 ) {
$seg1 = substr( $isbn, 0, 1 );
}
elsif ( substr( $isbn, 0, 2 ) <= 94 ) {
$seg1 = substr( $isbn, 0, 2 );
}
elsif ( substr( $isbn, 0, 3 ) <= 995 ) {
$seg1 = substr( $isbn, 0, 3 );
}
elsif ( substr( $isbn, 0, 4 ) <= 9989 ) {
$seg1 = substr( $isbn, 0, 4 );
}
else {
$seg1 = substr( $isbn, 0, 5 );
}
my $x = substr( $isbn, length($seg1) );
my $seg2;
if ( substr( $x, 0, 2 ) <= 19 ) {
# if(sTmp2 < 10) sTmp2 = "0" sTmp2;
$seg2 = substr( $x, 0, 2 );
}
elsif ( substr( $x, 0, 3 ) <= 699 ) {
$seg2 = substr( $x, 0, 3 );
}
elsif ( substr( $x, 0, 4 ) <= 8399 ) {
$seg2 = substr( $x, 0, 4 );
}
elsif ( substr( $x, 0, 5 ) <= 89999 ) {
$seg2 = substr( $x, 0, 5 );
}
elsif ( substr( $x, 0, 6 ) <= 9499999 ) {
$seg2 = substr( $x, 0, 6 );
}
else {
$seg2 = substr( $x, 0, 7 );
}
my $seg3 = substr( $x, length($seg2) );
$seg3 = substr( $seg3, 0, length($seg3) - 1 );
my $seg4 = substr( $x, -1, 1 );
return "$seg1-$seg2-$seg3-$seg4";
} else {
my $seg1;
$seg1 = substr( $isbn, 0, 3 );
my $seg2;
if ( substr( $isbn, 3, 1 ) <= 7 ) {
$seg2 = substr( $isbn, 3, 1 );
}
elsif ( substr( $isbn, 3, 2 ) <= 94 ) {
$seg2 = substr( $isbn, 3, 2 );
}
elsif ( substr( $isbn, 3, 3 ) <= 995 ) {
$seg2 = substr( $isbn, 3, 3 );
}
elsif ( substr( $isbn, 3, 4 ) <= 9989 ) {
$seg2 = substr( $isbn, 3, 4 );
}
else {
$seg2 = substr( $isbn, 3, 5 );
}
my $x = substr( $isbn, length($seg2) +3);
my $seg3;
if ( substr( $x, 0, 2 ) <= 19 ) {
# if(sTmp2 < 10) sTmp2 = "0" sTmp2;
$seg3 = substr( $x, 0, 2 );
}
elsif ( substr( $x, 0, 3 ) <= 699 ) {
$seg3 = substr( $x, 0, 3 );
}
elsif ( substr( $x, 0, 4 ) <= 8399 ) {
$seg3 = substr( $x, 0, 4 );
}
elsif ( substr( $x, 0, 5 ) <= 89999 ) {
$seg3 = substr( $x, 0, 5 );
}
elsif ( substr( $x, 0, 6 ) <= 9499999 ) {
$seg3 = substr( $x, 0, 6 );
}
else {
$seg3 = substr( $x, 0, 7 );
}
my $seg4 = substr( $x, length($seg3) );
$seg4 = substr( $seg4, 0, length($seg4) - 1 );
my $seg5 = substr( $x, -1, 1 );
return "$seg1-$seg2-$seg3-$seg4-$seg5";
}
}
# 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 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
<form action='<!-- TMPL_VAR name="script_name" -->' method=post>
<select name="itemtype">
<option value="">Default</option>
<!-- TMPL_LOOP name="itemtypeloop" -->
<option value="<!-- TMPL_VAR name="value" -->" <!-- TMPL_IF name="selected" -->selected<!-- /TMPL_IF -->><!-- TMPL_VAR name="description" --></option>
<!-- /TMPL_LOOP -->
</select>
<input type=text name=searchfield value="<!-- TMPL_VAR name="searchfield" -->">
<input type="submit" value="OK" class="button">
</form>
=cut
sub GetItemTypes {
# returns a reference to a hash of references to branches...
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 $query = '
SELECT itemtype,
description,
imageurl,
notforloan
FROM itemtypes
WHERE itemtype IN (' . join( ',', map( { "'" . $_ . "'" } @itemtypes ) ) . ')
';
return get_infos_of( $query, 'itemtype' );
}
# 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
<form action='<!-- TMPL_VAR name="script_name" -->' method=post>
<select name="authtype">
<!-- TMPL_LOOP name="authtypeloop" -->
<option value="<!-- TMPL_VAR name="value" -->" <!-- TMPL_IF name="selected" -->selected<!-- /TMPL_IF -->><!-- TMPL_VAR name="authtypetext" --></option>
<!-- /TMPL_LOOP -->
</select>
<input type=text name=searchfield value="<!-- TMPL_VAR name="searchfield" -->">
<input type="submit" value="OK" class="button">
</form>
=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
<form action='<!-- TMPL_VAR name="script_name" -->' method=post>
<select name="frameworkcode">
<option value="">Default</option>
<!-- TMPL_LOOP name="frameworkloop" -->
<option value="<!-- TMPL_VAR name="value" -->" <!-- TMPL_IF name="selected" -->selected<!-- /TMPL_IF -->><!-- TMPL_VAR name="frameworktext" --></option>
<!-- /TMPL_LOOP -->
</select>
<input type=text name=searchfield value="<!-- TMPL_VAR name="searchfield" -->">
<input type="submit" value="OK" class="button">
</form>
=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} = getitemtypeimagesrcfromurl( $res->{imageurl} );
return $res;
}
sub getitemtypeimagesrcfromurl {
my ($imageurl) = @_;
if ( defined $imageurl and $imageurl !~ m/^http/ ) {
$imageurl = getitemtypeimagesrc() . '/' . $imageurl;
}
return $imageurl;
}
sub getitemtypeimagedir {
my $src = shift;
if ($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 $src = shift;
if ($src eq 'intranet') {
return '/intranet-tmpl' . '/' . C4::Context->preference('template') . '/img/itemtypeimg';
}
else {
return '/opac-tmpl' . '/' . C4::Context->preference('template') . '/itemtypeimg';
}
}
=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;
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'} );
foreach my $imagesubdir ( @subdirectories ) {
my @imagelist = (); # hashrefs of image info
my @imagenames = _getImagesFromDirectory( File::Spec->catfile( $paths->{'staff'}{'filesystem'}, $imagesubdir ) );
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,
}
);
}
push @imagesets, { imagesetname => $imagesubdir,
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;
}
=item 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;
}
=item 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.
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 ) = @_;
my $dbh = C4::Context->dbh;
my $sth = $dbh->prepare($query);
$sth->execute();
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;
}
sub displayServers {
my ( $position, $type ) = @_;
my $dbh = C4::Context->dbh;
my $strsth = "SELECT * FROM z3950servers where 1";
$strsth .= " AND position=\"$position\"" if ($position);
$strsth .= " AND type=\"$type\"" if ($type);
my $rq = $dbh->prepare($strsth);
$rq->execute;
my @primaryserverloop;
while ( my $data = $rq->fetchrow_hashref ) {
my %cell;
$cell{label} = $data->{'description'};
$cell{id} = $data->{'name'};
$cell{value} =
$data->{host}
. ( $data->{port} ? ":" . $data->{port} : "" ) . "/"
. $data->{database}
if ( $data->{host} );
$cell{checked} = $data->{checked};
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;
}
sub displaySecondaryServers {
# my $secondary_servers_loop = [
# { inner_sup_servers_loop => [
# {label => "Google", id=>"GOOG", value=>"google",icon => "google.ico",opensearch => "1"},
# {label => "Yahoo", id=>"YAH", value=>"yahoo", icon =>"yahoo.ico", zed => "1"},
# {label => "Worldcat", id=>"WCT", value=>"worldcat", icon => "worldcat.gif", zed => "1"},
# {label => "Library of Congress", id=>"LOC", name=> "server", value=>"z3950.loc.gov:7090/Voyager", icon =>"loc.ico", zed => "1"},
# ],
# },
# ];
return; #$secondary_servers_loop;
}
=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 GetAuthorisedValues
$authvalues = GetAuthorisedValues($category);
this function get all authorised values from 'authosied_value' table into a reference to array which
each value containt an hashref.
Set C<$category> on input args if you want to limits your query to this one. This params is not mandatory.
=cut
sub GetAuthorisedValues {
my ($category,$selected) = @_;
my $count = 0;
my @results;
my $dbh = C4::Context->dbh;
my $query = "SELECT * FROM authorised_values";
$query .= " WHERE category = '" . $category . "'" if $category;
my $sth = $dbh->prepare($query);
$sth->execute;
while (my $data=$sth->fetchrow_hashref) {
if ($selected eq $data->{'authorised_value'} ) {
$data->{'selected'} = 1;
}
$results[$count] = $data;
$count++;
}
#my $data = $sth->fetchall_arrayref({});
return \@results; #$data;
}
=head2 GetKohaAuthorisedValues
Takes $kohafield, $fwcode as parameters.
Returns hashref of Code => description
Returns undef
if no authorised value category is defined for the kohafield.
=cut
sub GetKohaAuthorisedValues {
my ($kohafield,$fwcode,$codedvalue) = @_;
$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 from authorised_values where category=? ");
$sth->execute($avcode);
while ( my ($val, $lib) = $sth->fetchrow_array ) {
$values{$val}= $lib;
}
return \%values;
} else {
return undef;
}
}
=head2 GetManagedTagSubfields
=over 4
$res = GetManagedTagSubfields();
=back
Returns a reference to a big hash of hash, with the Marc structure fro the given frameworkcode
NOTE: This function is used only by the (incomplete) bulk editing feature. Since
that feature currently does not deal with items and biblioitems changes
correctly, those tags are specifically excluded from the list prepared
by this function.
For future reference, if a bulk item editing feature is implemented at some point, it
needs some design thought -- for example, circulation status fields should not
be changed willy-nilly.
=cut
sub GetManagedTagSubfields{
my $dbh=C4::Context->dbh;
my $rq=$dbh->prepare(qq|
SELECT
DISTINCT CONCAT( marc_subfield_structure.tagfield, tagsubfield ) AS tagsubfield,
marc_subfield_structure.liblibrarian as subfielddesc,
marc_tag_structure.liblibrarian as tagdesc
FROM marc_subfield_structure
LEFT JOIN marc_tag_structure
ON marc_tag_structure.tagfield = marc_subfield_structure.tagfield
AND marc_tag_structure.frameworkcode = marc_subfield_structure.frameworkcode
WHERE marc_subfield_structure.tab>=0
AND marc_tag_structure.tagfield NOT IN (SELECT tagfield FROM marc_subfield_structure WHERE kohafield like 'items.%')
AND marc_tag_structure.tagfield NOT IN (SELECT tagfield FROM marc_subfield_structure WHERE kohafield = 'biblioitems.itemtype')
AND marc_subfield_structure.kohafield <> 'biblio.biblionumber'
AND marc_subfield_structure.kohafield <> 'biblioitems.biblioitemnumber'
ORDER BY marc_subfield_structure.tagfield, tagsubfield|);
$rq->execute;
my $data=$rq->fetchall_arrayref({});
return $data;
}
=head2 str_to_base64
=over 4
my $base64 = str_to_base64($string_containing_unicode);
=back
Get a Base64 version of a string that is in UTF-8. This
function can be used to convert an arbitrary coded value
(like a branch code) into a form that can be safely concatenated
with similarly encoded values for a HTML form input name, as
in admin/issuingrules.pl.
=cut
sub str_to_base64 {
my $in = shift;
return encode_base64(encode("UTF-8", $in), '');
}
=head2 base64_to_str
=over 4
my $base64 = base64_to_str($string_containing_unicode);
=back
Converse of C<str_to_base64()>.
=cut
sub base64_to_str {
my $in = shift;
return decode("UTF-8", decode_base64($in));
}
1;
__END__
=head1 AUTHOR
Koha Team
=cut
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