-#
-# sub that tries to find authorities linked to the biblio
-# the sub :
-# - search in the authority DB for the same authid (in $9 of the biblio)
-# - search in the authority DB for the same 001 (in $3 of the biblio in UNIMARC)
-# - search in the authority DB for the same values (exactly) (in all subfields of the biblio)
-# if the authority is found, the biblio is modified accordingly to be connected to the authority.
-# if the authority is not found, it's added, and the biblio is then modified to be connected to the authority.
-#
-
-sub BiblioAddAuthorities{
- my ( $record, $frameworkcode ) = @_;
- my $dbh=C4::Context->dbh;
- my $query=$dbh->prepare(qq|
-SELECT authtypecode,tagfield
-FROM marc_subfield_structure
-WHERE frameworkcode=?
-AND (authtypecode IS NOT NULL AND authtypecode<>\"\")|);
-# SELECT authtypecode,tagfield
-# FROM marc_subfield_structure
-# WHERE frameworkcode=?
-# AND (authtypecode IS NOT NULL OR authtypecode<>\"\")|);
- $query->execute($frameworkcode);
- my ($countcreated,$countlinked);
- while (my $data=$query->fetchrow_hashref){
- foreach my $field ($record->field($data->{tagfield})){
- next if ($field->subfield('3') || $field->subfield('9'));
- # No authorities id in the tag.
- # Search if there is any authorities to link to.
- my $query='at='.$data->{authtypecode}.' ';
- map {$query.= ' and he,ext="'.$_->[1].'"' if ($_->[0]=~/[A-z]/)} $field->subfields();
- my ($error, $results, $total_hits)=SimpleSearch( $query, undef, undef, [ "authorityserver" ] );
- # there is only 1 result
- if ( $error ) {
- warn "BIBLIOADDSAUTHORITIES: $error";
- return (0,0) ;
- }
- if ( @{$results} == 1) {
- my $marcrecord = MARC::File::USMARC::decode($results->[0]);
- $field->add_subfields('9'=>$marcrecord->field('001')->data);
- $countlinked++;
- } elsif (@{$results} > 1) {
- #More than One result
- #This can comes out of a lack of a subfield.
-# my $marcrecord = MARC::File::USMARC::decode($results->[0]);
-# $record->field($data->{tagfield})->add_subfields('9'=>$marcrecord->field('001')->data);
- $countlinked++;
- } else {
- #There are no results, build authority record, add it to Authorities, get authid and add it to 9
- ###NOTICE : This is only valid if a subfield is linked to one and only one authtypecode
- ###NOTICE : This can be a problem. We should also look into other types and rejected forms.
- my $authtypedata=GetAuthType($data->{authtypecode});
- next unless $authtypedata;
- my $marcrecordauth=MARC::Record->new();
- if (C4::Context->preference('marcflavour') eq 'MARC21') {
- $marcrecordauth->leader(' nz a22 o 4500');
- SetMarcUnicodeFlag($marcrecordauth, 'MARC21');
- }
- my $authfield=MARC::Field->new($authtypedata->{auth_tag_to_report},'','',"a"=>"".$field->subfield('a'));
- map { $authfield->add_subfields($_->[0]=>$_->[1]) if ($_->[0]=~/[A-z]/ && $_->[0] ne "a" )} $field->subfields();
- $marcrecordauth->insert_fields_ordered($authfield);
-
- # bug 2317: ensure new authority knows it's using UTF-8; currently
- # only need to do this for MARC21, as MARC::Record->as_xml_record() handles
- # automatically for UNIMARC (by not transcoding)
- # FIXME: AddAuthority() instead should simply explicitly require that the MARC::Record
- # use UTF-8, but as of 2008-08-05, did not want to introduce that kind
- # of change to a core API just before the 3.0 release.
-
- if (C4::Context->preference('marcflavour') eq 'MARC21') {
- $marcrecordauth->insert_fields_ordered(MARC::Field->new('667','','','a'=>"Machine generated authority record."));
- my $cite = $record->author() . ", " . $record->title_proper() . ", " . $record->publication_date() . " ";
- $cite =~ s/^[\s\,]*//;
- $cite =~ s/[\s\,]*$//;
- $cite = "Work cat.: (" . C4::Context->preference('MARCOrgCode') . ")". $record->subfield('999','c') . ": " . $cite;
- $marcrecordauth->insert_fields_ordered(MARC::Field->new('670','','','a'=>$cite));
- }
-
-# warn "AUTH RECORD ADDED : ".$marcrecordauth->as_formatted;
-
- my $authid=AddAuthority($marcrecordauth,'',$data->{authtypecode});
- $countcreated++;
- $field->add_subfields('9'=>$authid);
- }
- }
- }
- return ($countlinked,$countcreated);
-}
-