-=head2 GetMarcAuthors
-
- authors = GetMarcAuthors($record,$marcflavour);
-
-Get all authors from the MARC record and returns them in an array.
-The authors are stored in different fields depending on MARC flavour
-
-=cut
-
-sub GetMarcAuthors {
- my ( $record, $marcflavour ) = @_;
- if (!$record) {
- carp 'GetMarcAuthors called on undefined record';
- return;
- }
- my ( $mintag, $maxtag, $fields_filter );
-
- # tagslib useful only for UNIMARC author responsibilities
- my $tagslib;
- if ( $marcflavour eq "UNIMARC" ) {
- # FIXME : we don't have the framework available, we take the default framework. May be buggy on some setups, will be usually correct.
- $tagslib = GetMarcStructure( 1, '', { unsafe => 1 });
- $mintag = "700";
- $maxtag = "712";
- $fields_filter = '7..';
- } else { # marc21
- $mintag = "700";
- $maxtag = "720";
- $fields_filter = '7..';
- }
-
- my @marcauthors;
- my $AuthoritySeparator = C4::Context->preference('AuthoritySeparator');
-
- foreach my $field ( $record->field($fields_filter) ) {
- next unless $field->tag() >= $mintag && $field->tag() <= $maxtag;
- my @subfields_loop;
- my @link_loop;
- my @subfields = $field->subfields();
- my $count_auth = 0;
-
- # if there is an authority link, build the link with Koha-Auth-Number: subfield9
- my $subfield9 = $field->subfield('9');
- if ($subfield9) {
- my $linkvalue = $subfield9;
- $linkvalue =~ s/(\(|\))//g;
- @link_loop = ( { 'limit' => 'an', 'link' => $linkvalue } );
- }
-
- # other subfields
- my $unimarc3;
- for my $authors_subfield (@subfields) {
- next if ( $authors_subfield->[0] eq '9' );
-
- # unimarc3 contains the $3 of the author for UNIMARC.
- # For french academic libraries, it's the "ppn", and it's required for idref webservice
- $unimarc3 = $authors_subfield->[1] if $marcflavour eq 'UNIMARC' and $authors_subfield->[0] =~ /3/;
-
- # don't load unimarc subfields 3, 5
- next if ( $marcflavour eq 'UNIMARC' and ( $authors_subfield->[0] =~ /3|5/ ) );
-
- my $code = $authors_subfield->[0];
- my $value = $authors_subfield->[1];
- my $linkvalue = $value;
- $linkvalue =~ s/(\(|\))//g;
- # UNIMARC author responsibility
- if ( $marcflavour eq 'UNIMARC' and $code eq '4' ) {
- $value = GetAuthorisedValueDesc( $field->tag(), $code, $value, '', $tagslib );
- $linkvalue = "($value)";
- }
- # if no authority link, build a search query
- unless ($subfield9) {
- push @link_loop, {
- limit => 'au',
- 'link' => $linkvalue,
- operator => (scalar @link_loop) ? ' and ' : undef
- };
- }
- my @this_link_loop = @link_loop;
- # do not display $0
- unless ( $code eq '0') {
- push @subfields_loop, {
- tag => $field->tag(),
- code => $code,
- value => $value,
- link_loop => \@this_link_loop,
- separator => (scalar @subfields_loop) ? $AuthoritySeparator : ''
- };
- }
- }
- push @marcauthors, {
- MARCAUTHOR_SUBFIELDS_LOOP => \@subfields_loop,
- authoritylink => $subfield9,
- unimarc3 => $unimarc3
- };
- }
- return \@marcauthors;
-}
-
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