Koha/C4/Amazon.pm

124 lines
3.6 KiB
Perl

package C4::Amazon;
# Copyright (C) 2006 LibLime
# <jmf at liblime dot 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 LWP::UserAgent;
use HTTP::Request::Common;
use strict;
use vars qw($VERSION @ISA @EXPORT);
BEGIN {
require Exporter;
$VERSION = 0.03;
@ISA = qw(Exporter);
@EXPORT = qw(
&get_amazon_details
&check_search_inside
);
}
=head1 NAME
C4::Amazon - Functions for retrieving Amazon.com content in Koha
=head1 FUNCTIONS
This module provides facilities for retrieving Amazon.com content in Koha
=head1 get_amazon_details($isbn);
=head2 $isbn is a isbn string
=cut
sub get_amazon_details {
my ( $isbn ) = @_;
#normalize the ISBN
$isbn =~ /(\d*[X]*)/;
$isbn = $1;
# Determine which content to grab in the request
# Determine correct locale
my $locale_hashref = {
CA => '.ca',
DE => '.de',
FR => '.fr',
JP => '.jp',
UK => '.co.uk',
US => '.com',
};
my $amazon_locale_syspref = C4::Context->preference('AmazonLocale');
my $tld = $locale_hashref->{$amazon_locale_syspref} || '.com'; # default top level domain is .com
# grab the AWSAccessKeyId: mine is '0V5RRRRJZ3HR2RQFNHR2'
my $aws_access_key_id = C4::Context->preference('AWSAccessKeyID');
#grab the associates tag: mine is 'kadabox-20'
my $af_tag=C4::Context->preference('AmazonAssocTag');
my $response_group = "Similarities,EditorialReview,Reviews,ItemAttributes";
my $asin=$isbn;
my $url = "http://ecs.amazonaws$tld/onca/xml?Service=AWSECommerceService&AWSAccessKeyId=$aws_access_key_id&Operation=ItemLookup&AssociateTag=$af_tag&Version=2007-01-15&ItemId=$asin&ResponseGroup=$response_group";
# warn $url;
my $content = get($url);
warn "could not retrieve $url" unless $content;
my $xmlsimple = XML::Simple->new();
my $response = $xmlsimple->XMLin(
$content,
forcearray => [ qw(SimilarProduct EditorialReview Review) ],
) unless !$content;
return $response;
}
sub check_search_inside {
my $isbn = shift;
my $ua = LWP::UserAgent->new(
agent => "Mozilla/4.76 [en] (Win98; U)",
keep_alive => 1,
env_proxy => 1,
);
my $available = 1;
my $uri = "http://www.amazon.com/gp/reader/$isbn/ref=sib_dp_pt/002-7879865-0184864#reader-link";
my $req = HTTP::Request->new(GET => $uri);
$req->header (
'Accept' => 'image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, image/png, */*',
'Accept-Charset' => 'iso-8859-1,*,utf-8',
'Accept-Language' => 'en-US' );
my $res = $ua->request($req);
my $content = $res->content();
if ($content =~ m/This book is temporarily unavailable/) {
undef $available;
}
return $available;
}
1;
__END__
=head1 NOTES
=head1 AUTHOR
Joshua Ferraro <jmf@liblime.com>
=cut