package Catmandu::Fix::marc_add;
use Catmandu::Sane;
use Catmandu::MARC;
use Moo;
use Catmandu::Fix::Has;
with 'Catmandu::Fix::Inlineable';
our $VERSION = '1.09';
has marc_path => (fix_arg => 1);
has subfields => (fix_arg => 'collect');
sub fix {
my ($self, $data) = @_;
my $marc_path = $self->marc_path;
my @subfields = @{$self->subfields};
return Catmandu::MARC->instance->marc_add($data,$marc_path,@subfields);
}
=head1 NAME
Catmandu::Fix::marc_add - add new fields to marc
=head1 SYNOPSIS
# Set literal values
marc_add('900', a, 'test' , 'b', test)
marc_add('900', ind1 , ' ' , a, 'test' , 'b', test)
marc_add('900', ind1 , ' ' , a, 'test' , 'b', test , record:record2)
# Copy data from an other field (when the field value is an array, the
# subfield will be repeated)
marc_add('900', a, '$.my.data.field')
=head1 DESCRIPTION
Add a new subfield to MARC record.
=head1 METHODS
=head2 marc_add(MARC_FIELD, SUBFIELD, VALUE, [ SUBFIELD, VALUE , ... ])
Add new subfields to a MARC record. The MARC_FIELD should contain a marc field
name, all other arguments contain the subfields to be added.
By default literal values will be added. To point to an existing value in
a record use the JSON_PATH syntax with a dollar '$.' added in front.
=head1 INLINE
This Fix can be used inline in a Perl script:
use Catmandu::Fix::marc_add as => 'marc_add';
my $data = { record => [...] };
$data = marc_add($data,'245','a','title');
=head1 SEE ALSO
L<Catmandu::Fix>
=cut
1;