Koha/C4/Amazon.pm
2007-03-09 23:30:17 +00:00

109 lines
2.9 KiB
Perl
Executable file

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;
require Exporter;
use vars qw($VERSION @ISA @EXPORT);
$VERSION = 0.02;
=head1 NAME
C4::Amazon - Functions for retrieving Amazon.com content in Koha
=head1 FUNCTIONS
This module provides facilities for retrieving Amazon.com content in Koha
=cut
@ISA = qw(Exporter);
@EXPORT = qw(
&get_amazon_details
&check_search_inside
);
=head1 get_amazon_details($isbn);
=head2 $isbn is a isbn string
=cut
sub get_amazon_details {
my ( $isbn ) = @_;
#get rid of MARC cataloger's nonsense
$isbn =~ s/(p|-)//g;
# grab the developer's key: mine is 'ektostoukadou-20'
my $dev_key=C4::Context->preference('AmazonDevKey');
#grab the associates tag: mine is '0ZRY7YASKJS280T7YB02'
my $af_tag=C4::Context->preference('AmazonAssocTag');
my $asin=$isbn;
my $url = "http://xml.amazon.com/onca/xml3?t=$af_tag&dev-t=$dev_key&type=heavy&f=xml&AsinSearch=" . $asin;
my $content = get($url);
#warn $content;
warn "could not retrieve $url" unless $content;
my $xmlsimple = XML::Simple->new();
my $response = $xmlsimple->XMLin($content,
forcearray => [ qw(Details Product AvgCustomerRating CustomerReview) ],
);
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;
}
=head1 NOTES
=head1 AUTHOR
Joshua Ferraro <jmf@liblime.com>
=cut
1;