Bug 26922: Regression tests
[koha.git] / C4 / XISBN.pm
blobde9dc100fe8912e64d445163bafd87c0eb80cc55
1 package C4::XISBN;
2 # Copyright (C) 2007 LibLime
3 # Joshua Ferraro <jmf@liblime.com>
5 # This file is part of Koha.
7 # Koha is free software; you can redistribute it and/or modify it
8 # under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 3 of the License, or
10 # (at your option) any later version.
12 # Koha is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
20 use Modern::Perl;
21 use XML::Simple;
22 #use LWP::Simple;
23 use C4::Biblio;
24 use C4::Koha;
25 use C4::Search;
26 use C4::External::Syndetics qw(get_syndetics_editions);
27 use LWP::UserAgent;
28 use HTTP::Request::Common;
30 use Koha::Biblios;
31 use Koha::SearchEngine;
32 use Koha::SearchEngine::Search;
34 use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
36 BEGIN {
37 require Exporter;
38 @ISA = qw(Exporter);
39 @EXPORT_OK = qw(
40 &get_xisbns
44 =head1 NAME
46 C4::XISBN - Functions for retrieving XISBN content in Koha
48 =head1 FUNCTIONS
50 This module provides facilities for retrieving ThingISBN and XISBN content in Koha
52 =cut
54 sub _get_biblio_from_xisbn {
55 my $xisbn = shift;
56 my $dbh = C4::Context->dbh;
58 my $searcher = Koha::SearchEngine::Search->new({index => $Koha::SearchEngine::BIBLIOS_INDEX});
59 my ( $errors, $results, $total_hits ) = $searcher->simple_search_compat( "nb=$xisbn", 0, 1 );
60 return unless ( !$errors && scalar @$results );
62 my $record = C4::Search::new_record_from_zebra( 'biblioserver', $results->[0] );
63 my $biblionumber = C4::Biblio::TransformMarcToKohaOneField( 'biblio.biblionumber', $record );
64 return unless $biblionumber;
66 my $biblio = Koha::Biblios->find( $biblionumber );
67 return unless $biblio;
68 my $isbn = $biblio->biblioitem->isbn;
69 $biblio = $biblio->unblessed;
70 $biblio->{normalized_isbn} = GetNormalizedISBN($isbn);
71 return $biblio;
74 =head1 get_xisbns($isbn, $biblionumber);
76 =head2 $isbn is an ISBN string
78 =cut
80 sub get_xisbns {
81 my ( $isbn, $biblionumber ) = @_;
82 my ($response,$thing_response,$syndetics_response,$errors);
83 # THINGISBN
84 if ( C4::Context->preference('ThingISBN') ) {
85 my $url = "http://www.librarything.com/api/thingISBN/".$isbn;
86 $thing_response = _get_url($url,'thingisbn');
89 if ( C4::Context->preference("SyndeticsEnabled") && C4::Context->preference("SyndeticsEditions") ) {
90 my $syndetics_preresponse = &get_syndetics_editions($isbn);
91 my @syndetics_response;
92 for my $response (@$syndetics_preresponse) {
93 push @syndetics_response, {content => $response->{a}};
95 $syndetics_response = {isbn => \@syndetics_response};
98 $response->{isbn} = [ @{ $syndetics_response->{isbn} or [] }, @{ $thing_response->{isbn} or [] } ];
99 my @xisbns;
100 my $unique_xisbns; # a hashref
102 # loop through each ISBN and scope to the local collection
103 for my $response_data( @{ $response->{ isbn } } ) {
104 next if $response_data->{'content'} eq $isbn;
105 next if $isbn eq $response_data;
106 next if $unique_xisbns->{ $response_data->{content} };
107 $unique_xisbns->{ $response_data->{content} }++;
108 my $xbiblio= _get_biblio_from_xisbn($response_data->{content});
109 next unless $xbiblio;
110 next if $xbiblio->{normalized_isbn} && $xbiblio->{normalized_isbn} eq $isbn;
111 push @xisbns, $xbiblio if $xbiblio && $xbiblio->{biblionumber} ne $biblionumber;
113 if ( wantarray ) {
114 return (\@xisbns, $errors);
116 else {
117 return \@xisbns;
121 sub _get_url {
122 my ($url,$service_type) = @_;
123 my $ua = LWP::UserAgent->new(
124 timeout => 2
127 my $response = $ua->get($url);
128 if ($response->is_success) {
129 warn "WARNING could not retrieve $service_type $url" unless $response;
130 if ($response) {
131 my $xmlsimple = XML::Simple->new();
132 my $content = $xmlsimple->XMLin(
133 $response->content,
134 ForceArray => [ qw(isbn) ],
135 ForceContent => 1,
137 return $content;
139 } else {
140 warn "WARNING: URL Request Failed " . $response->status_line . "\n";
146 __END__
148 =head1 NOTES
150 =cut
152 =head1 AUTHOR
154 Joshua Ferraro <jmf@liblime.com>
156 =cut