--- /dev/null
+package C4::XISBN;
+# Copyright (C) 2007 LibLime
+# Joshua Ferraro <jmf@liblime.com>
+#
+# 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 XML::Simple;
+use LWP::Simple;
+use C4::Biblio;
+
+use LWP::UserAgent;
+use HTTP::Request::Common;
+
+use strict;
+require Exporter;
+
+use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
+
+$VERSION = 3.0;
+=head1 NAME
+
+C4::XISBN - Functions for retrieving XISBN content in Koha
+
+=head1 FUNCTIONS
+
+This module provides facilities for retrieving XISBN, ThingISBN and XISBN content in Koha
+
+=cut
+
+@ISA = qw(Exporter);
+@EXPORT_OK = qw(
+ &get_xisbns
+ &get_biblio_from_xisbn
+);
+
+sub get_biblio_from_xisbn {
+ my $xisbn_data = shift;
+ my $dbh = C4::Context->dbh;
+ my $query = "SELECT biblionumber FROM biblioitems WHERE isbn=?";
+ my $sth = $dbh->prepare($query);
+ $sth->execute($xisbn_data->{content});
+ my $xbib_data = $sth->fetchrow_hashref();
+ my $xbiblio;
+ if ($xbib_data->{biblionumber}) {
+ $xbiblio = GetBiblioData($xbib_data->{biblionumber});
+ $xbiblio->{items} = GetItemsByBiblioitemnumber($xbib_data->{biblionumber});
+ use Data::Dumper;
+ warn Dumper($xbiblio->{items});
+ }
+ return ($xbiblio);
+
+}
+=head1 get_xisbns($isbn);
+
+=head2 $isbn is an ISBN string
+
+=cut
+
+sub get_xisbns {
+ my ( $isbn ) = @_;
+
+ my ($response,$thing_response,$xisbn_response,$gapines_response);
+ # THINGISBN
+ if ( C4::Context->preference('ThingISBN') ) {
+ my $url = "http://www.librarything.com/api/thingISBN/".$isbn;
+ $thing_response = _get_url($url,'thingisbn');
+ }
+
+ # XISBN
+ if ( C4::Context->preference('XISBN') ) {
+ my $affiliate_id=C4::Context->preference('OCLCAffiliateID');
+ my $limit = C4::Context->preference('XISBNDailyLimit') || 499;
+ my $reached_limit = _service_throttle('xisbn',$limit);
+ my $url = "http://xisbn.worldcat.org/webservices/xid/isbn/".$isbn."?method=getEditions&format=xml&fl=form,year,lang,ed";
+ $url.="&ai=".$affiliate_id if $affiliate_id;
+ unless ($reached_limit) {
+ $xisbn_response = _get_url($url,'xisbn');
+ }
+ }
+
+ # PINES ISBN
+ if ( C4::Context->preference('PINESISBN') ) {
+ my $url = "http://www.librarything.com/api/thingISBN/".$isbn;
+ $gapines_response = _get_url($url,'thingisbn');
+ }
+ $response->{isbn} = [ @{ $xisbn_response->{isbn} or [] }, @{ $thing_response->{isbn} or [] }, @{ $gapines_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);
+ push @xisbns, $xbiblio if $xbiblio; #response_data->{xbiblio}; #->{biblionumber}; # if $xbiblionumber;
+
+ }
+ return \@xisbns;
+
+}
+
+sub _get_url {
+ my ($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 " . $response->status_line . "\n";
+ }
+
+}
+
+
+# Throttle services to the specified amount
+sub _service_throttle {
+ my ($service_type,$daily_limit) = @_;
+ my $dbh = C4::Context->dbh;
+ my $sth = $dbh->prepare("SELECT service_count FROM services_throttle WHERE service_type=?");
+ $sth->execute($service_type);
+ my $count = 1;
+
+ while (my $counter = $sth->fetchrow_hashref()) {
+ $count = $counter->{service_count} if $counter->{service_count};
+ }
+
+ # we're over the limit
+ return 1 if $count >= $daily_limit;
+
+ # not over the limit
+ $count++;
+ $sth = $dbh->do("UPDATE services_throttle SET service_count=$count WHERE service_type='xisbn'");
+ return undef;
+}
+
+=head1 NOTES
+
+=head1 AUTHOR
+
+Joshua Ferraro <jmf@liblime.com>
+=cut
projects / koha-ffzg.git / commitdiff