adding MARC cn extraction

git-svn-id: svn://svn.open-ils.org/ILS/trunk@3180 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/src/perlmods/OpenILS/Application/Cat.pm b/Open-ILS/src/perlmods/OpenILS/Application/Cat.pm
index 98d0f88..7e110f5 100644 (file)
--- a/Open-ILS/src/perlmods/OpenILS/Application/Cat.pm
+++ b/Open-ILS/src/perlmods/OpenILS/Application/Cat.pm
@@ -417,6 +417,36 @@ sub biblio_record_record_metadata {
 
 }
 
+__PACKAGE__->register_method(
+       method  => "biblio_record_marc_cn",
+       api_name        => "open-ils.cat.biblio.record.marc_cn.retrieve",
+       argc            => 1, #(bib id ) 
+);
+
+sub biblio_record_marc_cn {
+       my( $self, $client, $id ) = @_;
+
+       my $session = OpenSRF::AppSession->create("open-ils.storage");
+       my $marc = $session
+               ->request("open-ils.storage.direct.biblio.record_entry.retrieve", $id )
+               ->gather(1)
+               ->marc;
+
+       my $doc = XML::LibXML->new->parse_string($marc);
+       $doc->documentElement->setNamespace( "http://www.loc.gov/MARC21/slim", "marc", 1 );
+       
+       my @res;
+       for my $tag ( qw/050 055 060 070 080 082 086 088 090 092 096 098 099/ ) {
+               my @node = $doc->findnodes("//marc:datafield[\@tag='$tag']");
+               for my $x (@node) {
+                       my $cn = $x->findvalue("marc:subfield[\@code='a' or \@code='b']");
+                       push @res, {$tag => $cn} if ($cn);
+               }
+       }
+
+       return \@res
+}
+
 # gets the username
 sub _get_userid_by_id {