svc/cataloguing/metasearch

   1 #!/usr/bin/perl
   2 #
   3 # Copyright 2014 ByWater Solutions
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 use Modern::Perl;
  21
  22 use C4::Service;
  23 use Encode qw( encode_utf8 );
  24 use Koha::MetaSearcher;
  25
  26 my ( $query, $response ) = C4::Service->init( catalogue => 1 );
  27
  28 my ( $query_string, $servers ) = C4::Service->require_params( 'q', 'servers' );
  29
  30 my $server_errors = {};
  31
  32 my $sort_key = $query->param( 'sort_key' ) || 'title';
  33 my $sort_direction = $query->param( 'sort_direction' ) || 'asc';
  34 my $offset = $query->param( 'offset' ) || 0;
  35 my $page_size = $query->param( 'page_size' ) || 20;
  36 my $fetched = $query->param( 'fetched' ) || 100;
  37
  38 my $searcher = Koha::MetaSearcher->new( {
  39     fetched => $fetched,
  40     on_error => sub {
  41         my ( $server, $exception ) = @_;
  42
  43         $server_errors->{ $server->{id} } = $exception->message;
  44     },
  45 } );
  46
  47 $searcher->resultset( $query->param('resultset') ) if ( $query->param('resultset') );
  48
  49 my @server_ids = split( /,/, $servers );
  50 my $stats = $searcher->search( \@server_ids, $query_string );
  51
  52 $searcher->sort( $sort_key, $sort_direction eq 'desc' ? -1 : 1 );
  53
  54 my @hits;
  55
  56 foreach my $hit ( $searcher->results( $offset, $page_size ) ) {
  57     push @hits, {
  58         server => $hit->{server}->{id},
  59         index => $hit->{index},
  60         record => $hit->{record}->as_xml_record(),
  61         metadata => $hit->{metadata}
  62     };
  63 }
  64
  65 $response->param(
  66     resultset => $searcher->resultset,
  67     sort_key => $sort_key,
  68     sort_direction => $sort_direction,
  69     offset => $offset,
  70     page_size => $page_size,
  71     errors => $server_errors,
  72     hits => \@hits,
  73     %$stats
  74 );
  75
  76 C4::Service->return_success( $response );