# 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
+# You should have received a copy of the GNU General Public License along
+# with Koha; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-use XML::Simple;
-use LWP::Simple;
-use LWP::UserAgent;
-use HTTP::Request::Common;
use strict;
use warnings;
BEGIN {
require Exporter;
- $VERSION = 0.03;
+ $VERSION = 3.07.00.049;
@ISA = qw(Exporter);
@EXPORT = qw(
- &get_amazon_details
- &check_search_inside
+ get_amazon_tld
);
}
-=head1 NAME
-
-C4::External::Amazon - Functions for retrieving Amazon.com content in Koha
-
-=head1 FUNCTIONS
-
-This module provides facilities for retrieving Amazon.com content in Koha
-
-=head2 get_amazon_details
-
-=over 4
-my $amazon_details = &get_amazon_details( $xisbn, $record, $marcflavour );
-
-=back
-
-Get editorial reviews, customer reviews, and similar products using Amazon Web Services.
-
-=cut
-
-sub get_amazon_details {
- my ( $isbn, $record, $marcflavour ) = @_;
-
- #normalize the ISBN
- $isbn = _normalize_match_point ($isbn);
-
- my $upc = _get_amazon_upc($record,$marcflavour);
- my $ean = _get_amazon_ean($record,$marcflavour);
-
- # warn "ISBN: $isbn | UPC: $upc | EAN: $ean";
-
- my ( $id_type, $item_id);
- if (length($isbn) eq 13) { # if the isbn is 13-digit, search Amazon using EAN
- $id_type = 'EAN';
- $item_id = $isbn;
- }
- elsif ($isbn) {
- $id_type = 'ASIN';
- $item_id = $isbn;
- }
- elsif ($upc) {
- $id_type = 'UPC';
- $item_id = $upc;
- }
- elsif ($ean) {
- $id_type = 'EAN';
- $item_id = $upc;
- }
- else { # if no ISBN, UPC, or EAN exists, do not even attempt to query Amazon
- return undef;
- }
-
- my $format = substr $record->leader(), 6, 1; # grab the item format to determine Amazon search index
- my $formats;
- $formats->{'a'} = 'Books';
- $formats->{'g'} = 'Video';
- $formats->{'j'} = 'Music';
-
- my $search_index = $formats->{$format};
-
- # Determine which content to grab in the request
-
- # Determine correct locale
- my $locale_hashref = {
+sub get_amazon_tld {
+ my %tld = (
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,Images";
- 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=$item_id&IdType=$id_type&ResponseGroup=$response_group";
- if ($id_type ne 'ASIN') {
- $url .= "&SearchIndex=$search_index";
- }
- # 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;
+ my $locale = C4::Context->preference('AmazonLocale');
+ my $tld = $tld{ $locale } || '.com'; # default top level domain is .com
+ return $tld;
}
-sub _get_amazon_upc {
- my ($record,$marcflavour) = @_;
- my (@fields,$upc);
-
- if ($marcflavour eq 'MARC21') {
- @fields = $record->field('024');
- foreach my $field (@fields) {
- my $indicator = $field->indicator(1);
- my $upc = _normalize_match_point($field->subfield('a'));
- if ($indicator == 1 and $upc ne '') {
- return $upc;
- }
- }
- }
- else { # assume unimarc if not marc21
- @fields = $record->field('072');
- foreach my $field (@fields) {
- my $upc = _normalize_match_point($field->subfield('a'));
- if ($upc ne '') {
- return $upc;
- }
- }
- }
-}
-sub _get_amazon_ean {
- my ($record,$marcflavour) = @_;
- my (@fields,$ean);
-
- if ($marcflavour eq 'MARC21') {
- @fields = $record->field('024');
- foreach my $field (@fields) {
- my $indicator = $field->indicator(1);
- my $upc = _normalize_match_point($field->subfield('a'));
- if ($indicator == 3 and $upc ne '') {
- return $upc;
- }
- }
- }
- else { # assume unimarc if not marc21
- @fields = $record->field('073');
- foreach my $field (@fields) {
- my $upc = _normalize_match_point($field->subfield('a'));
- if ($upc ne '') {
- return $upc;
- }
- }
- }
-}
+=head1 NAME
+
+C4::External::Amazon - Functions for retrieving Amazon.com content in Koha
-sub _normalize_match_point {
- my $match_point = shift;
- (my $normalized_match_point) = $match_point =~ /([\d-]*[X]*)/;
- $normalized_match_point =~ s/-//g;
+=head2 FUNCTIONS
- return $normalized_match_point;
-}
+This module provides facilities for retrieving Amazon.com content in Koha
+
+=over
+
+=item get_amazon_tld()
+
+Get Amazon Top Level Domain depending on Amazon local preference: AmazonLocal.
+For example, if AmazonLocal is 'UK', returns '.co.uk'.
+
+=back
+
+=cut
1;
__END__
=head1 NOTES
+=cut
+
=head1 AUTHOR
Joshua Ferraro <jmf@liblime.com>