From a9f5a990f36655d234e7e59cae91de0c1284fd4e Mon Sep 17 00:00:00 2001
From: Chris Cormack <chrisc@catalyst.net.nz>
Date: Tue, 5 Apr 2011 11:32:41 +0200
Subject: [PATCH] Bug 6040 : Adding some error handling to the opac export

Signed-off-by: Matthias Meusburger <matthias.meusburger@biblibre.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
(cherry picked from commit 58013b6c2ad01b87c778ec56bf02dd58e826200e)

Signed-off-by: Chris Nighswonger <chris.nighswonger@gmail.com>
---
 opac/opac-export.pl | 44 +++++++++++++++++++++++++++++++++++++-------
 1 file changed, 37 insertions(+), 7 deletions(-)

diff --git a/opac/opac-export.pl b/opac/opac-export.pl
index 4c53aff006..f9d3c253d3 100755
--- a/opac/opac-export.pl
+++ b/opac/opac-export.pl
@@ -1,5 +1,24 @@
 #!/usr/bin/perl
-use HTML::Template::Pro;
+
+# Parts Copyright Catalyst IT 2011
+#
+# 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 strict;
 use warnings;
 
@@ -22,6 +41,7 @@ if ($op eq "export") {
 		$sth=$dbh->prepare("SELECT marc FROM biblioitems WHERE biblionumber =?");
 		$sth->execute($biblionumber);
 	}
+    my $error;
 	while (my ($marc) = $sth->fetchrow) {
 		if ($marc){
 
@@ -41,21 +61,31 @@ if ($op eq "export") {
 			elsif ($format =~ /bibtex/) {
 				$marc = marc2bibtex(C4::Biblio::GetMarcBiblio($biblionumber),$biblionumber);
 			}elsif ($format =~ /dc/) {
-				my $error;
-				($error,$marc) = marc2dcxml($marc,1);
+                ($error,$marc) = marc2dcxml($marc,1);
 				$format = "dublin-core.xml";
 			}
 			elsif ($format =~ /marc8/) {
-				$marc = changeEncoding($marc,"MARC","MARC21","MARC-8");
-				$marc = $marc->as_usmarc();
+				($error,$marc) = changeEncoding($marc,"MARC","MARC21","MARC-8");
+                if (! $error){
+                    $marc = $marc->as_usmarc();
+                }
 			}
 			elsif ($format =~ /utf8/) {
 				#default
 			}
-			print $query->header(
+            if ($error){
+                print $query->header();
+                print $query->start_html();
+                print "<h1>An error occured </h1>";
+                print $error;
+                print $query->end_html();
+            }
+            else {
+                print $query->header(
 				-type => 'application/octet-stream',
                 -attachment=>"bib-$biblionumber.$format");
-			print $marc;
+                print $marc;
+            }
 		}
 	}
 }
-- 
2.39.5