Koha/OAI/Server/ListSets.pm

   1 # Copyright Tamil s.a.r.l. 2008-2015
   2 # Copyright Biblibre 2008-2015
   3 #
   4 # This file is part of Koha.
   5 #
   6 # Koha is free software; you can redistribute it and/or modify it
   7 # under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # Koha is distributed in the hope that it will be useful, but
  12 # WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  18
  19 package Koha::OAI::Server::ListSets;
  20
  21 use Modern::Perl;
  22 use HTTP::OAI;
  23 use Koha::OAI::Server::ResumptionToken;
  24 use Koha::OAI::Server::Description;
  25 use C4::OAI::Sets;
  26
  27 use base ("HTTP::OAI::ListSets");
  28
  29
  30 sub new {
  31     my ( $class, $repository, %args ) = @_;
  32
  33     my $self = HTTP::OAI::ListSets->new(%args);
  34     my $token = Koha::OAI::Server::ResumptionToken->new(%args);
  35     my $sets = GetOAISets;
  36     my $pos = 0;
  37     foreach my $set (@$sets) {
  38         if ($pos < $token->{offset}) {
  39             $pos++;
  40             next;
  41         }
  42         my @descriptions = map {
  43             Koha::OAI::Server::Description->new( setDescription => $_ );
  44         } @{$set->{'descriptions'}};
  45         $self->set(
  46             HTTP::OAI::Set->new(
  47                 setSpec => $set->{'spec'},
  48                 setName => $set->{'name'},
  49                 setDescription => \@descriptions,
  50             )
  51         );
  52         $pos++;
  53         last if ($pos + 1 - $token->{offset}) > $repository->{koha_max_count};
  54     }
  55
  56     $self->resumptionToken(
  57         Koha::OAI::Server::ResumptionToken->new(
  58             metadataPrefix => $token->{metadata_prefix},
  59             offset         => $pos
  60         )
  61     ) if ( $pos > $token->{offset} );
  62
  63     return $self;
  64 }
  65
  66 1;