Koha/REST/Plugin/Query.pm

   1 package Koha::REST::Plugin::Query;
   2
   3 # This file is part of Koha.
   4 #
   5 # Koha is free software; you can redistribute it and/or modify it under the
   6 # terms of the GNU General Public License as published by the Free Software
   7 # Foundation; either version 3 of the License, or (at your option) any later
   8 # version.
   9 #
  10 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
  11 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  12 # A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License along
  15 # with Koha; if not, write to the Free Software Foundation, Inc.,
  16 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17
  18 use Modern::Perl;
  19
  20 use Mojo::Base 'Mojolicious::Plugin';
  21
  22 =head1 NAME
  23
  24 Koha::REST::Plugin::Query
  25
  26 =head1 API
  27
  28 =head2 Mojolicious::Plugin methods
  29
  30 =head3 register
  31
  32 =cut
  33
  34 sub register {
  35     my ( $self, $app ) = @_;
  36
  37 =head2 Helper methods
  38
  39 =head3 extract_reserved_params
  40
  41     my ( $filtered_params, $reserved_params ) = $c->extract_reserved_params($params);
  42
  43 Generates the DBIC query from the query parameters.
  44
  45 =cut
  46
  47     $app->helper(
  48         'extract_reserved_params' => sub {
  49             my ( $c, $params ) = @_;
  50
  51             my $reserved_params;
  52             my $filtered_params;
  53
  54             my $reserved_words = _reserved_words();
  55
  56             foreach my $param ( keys %{$params} ) {
  57                 if ( grep { $param eq $_ } @{$reserved_words} ) {
  58                     $reserved_params->{$param} = $params->{$param};
  59                 }
  60                 else {
  61                     $filtered_params->{$param} = $params->{$param};
  62                 }
  63             }
  64
  65             return ( $filtered_params, $reserved_params );
  66         }
  67     );
  68 }
  69
  70 =head2 Internal methods
  71
  72 =head3 _reserved_words
  73
  74     my $reserved_words = _reserved_words();
  75
  76 =cut
  77
  78 sub _reserved_words {
  79
  80     my @reserved_words = qw( _match _order_by _page _per_page );
  81     return \@reserved_words;
  82 }
  83
  84 1;