From 5d01574d431a6b04214009b93a29c9b16122b617 Mon Sep 17 00:00:00 2001
From: Joshua Ferraro <jmf@liblime.com>
Date: Sat, 9 Aug 2008 08:01:14 -0500
Subject: [PATCH] Bug 2410: Can't use string ("0") as an ARRAY ref while
 "strict refs" in use at detail.pl line 219

Thanks to HDL for your patch, I couldn't get it to apply so I did it manually

No change to documentation
---
 C4/XISBN.pm         | 5 +----
 catalogue/detail.pl | 6 ++++--
 opac/opac-detail.pl | 6 ++++--
 3 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/C4/XISBN.pm b/C4/XISBN.pm
index 11bc2c77a3..50acc11876 100644
--- a/C4/XISBN.pm
+++ b/C4/XISBN.pm
@@ -49,10 +49,7 @@ sub get_biblionumber_from_isbn {
     my $query = "SELECT biblionumber FROM biblioitems WHERE isbn LIKE ? LIMIT 10";
     my $sth = $dbh->prepare($query);
     $sth->execute($isbn);
-    while ( my $biblionumber = $sth->fetchrow_hashref() ) {
-        push (@biblionumbers, $biblionumber);
-    }
-    return \@biblionumbers;
+	return $sth->fetchall_arrayref({});
 }
 =head1 NAME
 
diff --git a/catalogue/detail.pl b/catalogue/detail.pl
index 091a1ea7ac..7dd96dd377 100755
--- a/catalogue/detail.pl
+++ b/catalogue/detail.pl
@@ -209,8 +209,10 @@ if ( C4::Context->preference("AmazonContent") == 1 ) {
         # do we have any of these isbns in our collection?
         my $similar_biblionumbers = get_biblionumber_from_isbn($similar_product->{ASIN});
         # verify that there is at least one similar item
-        $similar_products_exist++ if ${@$similar_biblionumbers}[0];
-        push @similar_products, +{ similar_biblionumbers => $similar_biblionumbers, title => $similar_product->{Title}, ASIN => $similar_product->{ASIN}  };
+		if (scalar(@$similar_biblionumbers)){            
+			$similar_products_exist++ if ($similar_biblionumbers && $similar_biblionumbers->[0]);
+            push @similar_products, +{ similar_biblionumbers => $similar_biblionumbers, title => $similar_product->{Title}, ASIN => $similar_product->{ASIN}  };
+        }
     }
     my $editorial_reviews = \@{$amazon_details->{Items}->{Item}->{EditorialReviews}->{EditorialReview}};
     my $average_rating = $amazon_details->{Items}->{Item}->{CustomerReviews}->{AverageRating};
diff --git a/opac/opac-detail.pl b/opac/opac-detail.pl
index 05114d3993..6f6b7cab71 100755
--- a/opac/opac-detail.pl
+++ b/opac/opac-detail.pl
@@ -282,8 +282,10 @@ if ( C4::Context->preference("OPACAmazonContent") == 1 ) {
         # do we have any of these isbns in our collection?
         my $similar_biblionumbers = get_biblionumber_from_isbn($similar_product->{ASIN});
         # verify that there is at least one similar item
-        $similar_products_exist++ if ${@$similar_biblionumbers}[0];
-        push @similar_products, +{ similar_biblionumbers => $similar_biblionumbers, title => $similar_product->{Title}, ASIN => $similar_product->{ASIN}  };
+        if (scalar(@$similar_biblionumbers)){
+            $similar_products_exist++ if ($similar_biblionumbers && $similar_biblionumbers->[0]);
+            push @similar_products, +{ similar_biblionumbers => $similar_biblionumbers, title => $similar_product->{Title}, ASIN => $similar_product->{ASIN}  };
+        }
     }
     my $editorial_reviews = \@{$amazon_details->{Items}->{Item}->{EditorialReviews}->{EditorialReview}};
     my $average_rating = $amazon_details->{Items}->{Item}->{CustomerReviews}->{AverageRating};
-- 
2.20.1