-
package C4::Amazon;
-# Copyright 2004-2005 Joshua Ferraro (jmf at kados dot org)
+# Copyright (C) 2006 LibLime
+# <jmf at liblime dot com>
#
# This file is part of Koha.
#
# 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
-#
-# This module dynamically pulls amazon content into Koha. It does not
-# store the data in Koha's database. You'll need to get a developer's key
-# as well as an associate's tag to use it.
-# FIXME: need to write up more docs.
-#
+
+use XML::Simple;
+use LWP::Simple;
+use LWP::UserAgent;
+use HTTP::Request::Common;
use strict;
-require Exporter;
use vars qw($VERSION @ISA @EXPORT);
-$VERSION = 0.01;
+BEGIN {
+ require Exporter;
+ $VERSION = 0.03;
+ @ISA = qw(Exporter);
+ @EXPORT = qw(
+ &get_amazon_details
+ &check_search_inside
+ );
+}
-@ISA = qw(Exporter);
+=head1 NAME
-@EXPORT = qw(
- &get_amazon_details
-);
+C4::Amazon - Functions for retrieving Amazon.com content in Koha
-sub get_amazon_details {
+=head1 FUNCTIONS
-my ( $isbn ) = @_;
+This module provides facilities for retrieving Amazon.com content in Koha
-# insert your dev key here
-my $dev_key='';
+=head1 get_amazon_details($isbn);
-# insert your associates tag here
-my $af_tag='';
+=head2 $isbn is a isbn string
-my $asin=$isbn;
+=cut
-# old way from command line: shift @ARGV or die "Usage:perl amazon_http.ol <asin>\n";
+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) ],
+ );
+ return $response;
+}
-#my $url = "http://xml.amazon.com/onca/xml3?t=" . $af_tag .
-# "&dev-t=" . $dev_key .
-# "&type=heavy&f=xml&" .
-# "AsinSearch=" . $asin;
-my $url = "http://xml.amazon.com/onca/xml3?t=$dev_key&dev-t=$af_tag&type=heavy&f=xml&AsinSearch=" . $asin;
+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;
+}
-#Here's an example asin for the book "Cryptonomicon"
-#0596005423";
+1;
+__END__
-use XML::Simple;
-use LWP::Simple;
-my $content = get($url);
-die "could not regrieve $url" unless $content;
-
-my $xmlsimple = XML::Simple->new();
-my $response = $xmlsimple->XMLin($content,
- forcearray => [ qw(Details Product AvgCustomerRating CustomerReview) ],
-);
-return $response;
-#foreach my $result (@{$response->{Details}}){
-# my $product_description = $result->{ProductDescription};
-# my $image = $result->{ImageUrlMedium};
-# my $price = $result->{ListPrice};
-# my $reviews = $result->{
-# return $result;
-#}
-}
+=head1 NOTES
+
+=head1 AUTHOR
+
+Joshua Ferraro <jmf@liblime.com>
+
+=cut