package C4::XISBN; # Copyright (C) 2007 LibLime # Joshua Ferraro # # 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 3 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, see . use Modern::Perl; use XML::Simple; use C4::Biblio qw(TransformMarcToKoha); use C4::Koha qw( GetNormalizedISBN ); use C4::Search qw( new_record_from_zebra ); use C4::External::Syndetics qw( get_syndetics_editions ); use LWP::UserAgent; use Koha::Biblios; use Koha::SearchEngine; use Koha::SearchEngine::Search; our (@ISA, @EXPORT_OK); BEGIN { require Exporter; @ISA = qw(Exporter); @EXPORT_OK = qw( get_xisbns ); } =head1 NAME C4::XISBN - Functions for retrieving XISBN content in Koha =head1 FUNCTIONS This module provides facilities for retrieving ThingISBN and XISBN content in Koha =cut sub _get_biblio_from_xisbn { my $xisbn = shift; my $dbh = C4::Context->dbh; my $searcher = Koha::SearchEngine::Search->new({index => $Koha::SearchEngine::BIBLIOS_INDEX}); my ( $errors, $results, $total_hits ) = $searcher->simple_search_compat( "nb=$xisbn", 0, 1 ); return unless ( !$errors && scalar @$results ); my $record = C4::Search::new_record_from_zebra( 'biblioserver', $results->[0] ); my $biblionumber = C4::Biblio::TransformMarcToKoha({ kohafields => ['biblio.biblionumber'], record => $record })->{biblionumber}; return unless $biblionumber; my $biblio = Koha::Biblios->find( $biblionumber ); return unless $biblio; my $isbn = $biblio->biblioitem->isbn; $biblio = $biblio->unblessed; $biblio->{normalized_isbn} = GetNormalizedISBN($isbn); return $biblio; } =head1 get_xisbns($isbn, $biblionumber); =head2 $isbn is an ISBN string =cut sub get_xisbns { my ( $isbn, $biblionumber ) = @_; my ($response,$thing_response,$syndetics_response,$errors); # THINGISBN if ( C4::Context->preference('ThingISBN') ) { my $url = "http://www.librarything.com/api/thingISBN/".$isbn; $thing_response = _get_url($url,'thingisbn'); } if ( C4::Context->preference("SyndeticsEnabled") && C4::Context->preference("SyndeticsEditions") ) { my $syndetics_preresponse = &get_syndetics_editions($isbn); my @syndetics_response; for my $response (@$syndetics_preresponse) { push @syndetics_response, {content => $response->{a}}; } $syndetics_response = {isbn => \@syndetics_response}; } $response->{isbn} = [ @{ $syndetics_response->{isbn} or [] }, @{ $thing_response->{isbn} or [] } ]; my @xisbns; my $unique_xisbns; # a hashref # loop through each ISBN and scope to the local collection for my $response_data( @{ $response->{ isbn } } ) { next if $unique_xisbns->{ $response_data->{content} }; $unique_xisbns->{ $response_data->{content} }++; my $xbiblio= _get_biblio_from_xisbn($response_data->{content}); next unless $xbiblio; push @xisbns, $xbiblio if $xbiblio && $xbiblio->{biblionumber} ne $biblionumber; } if ( wantarray ) { return (\@xisbns, $errors); } else { return \@xisbns; } } sub _get_url { my ($url,$service_type) = @_; my $ua = LWP::UserAgent->new( timeout => 2 ); my $response = $ua->get($url); if ($response->is_success) { warn "WARNING could not retrieve $service_type $url" unless $response; if ($response) { my $xmlsimple = XML::Simple->new(); my $content = $xmlsimple->XMLin( $response->content, ForceArray => [ qw(isbn) ], ForceContent => 1, ); return $content; } } else { warn "WARNING: URL Request Failed " . $response->status_line . "\n"; } } 1; __END__ =head1 NOTES =cut =head1 AUTHOR Joshua Ferraro =cut