1 package Koha::REST::Plugin::Objects;
3 # This file is part of Koha.
5 # Koha is free software; you can redistribute it and/or modify it
6 # under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 3 of the License, or
8 # (at your option) any later version.
10 # Koha is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with Koha; if not, see <http://www.gnu.org/licenses>.
20 use Mojo::Base 'Mojolicious::Plugin';
26 Koha::REST::Plugin::Objects
35 my ( $self, $app ) = @_;
39 my $patrons_rs = Koha::Patrons->new;
40 my $patrons = $c->objects->find( $patrons_rs, $id );
42 Performs a database search using given Koha::Objects object and the $id.
44 Returns I<undef> if no object is found Returns the I<API representation> of
45 the requested object. It passes through any embeds if specified.
50 'objects.find' => sub {
51 my ( $c, $result_set, $id ) = @_;
56 my $embed = $c->stash('koha.embed');
57 my $av_expand = $c->stash('koha.av_expand');
59 # Generate prefetches for embedded stuff
60 $c->dbic_merge_prefetch(
62 attributes => $attributes,
63 result_set => $result_set
67 my $object = $result_set->find( $id, $attributes );
69 return unless $object;
71 return $object->to_api({ embed => $embed, av_expand => $av_expand });
77 my $patrons_rs = Koha::Patrons->new;
78 my $patrons = $c->objects->search( $patrons_rs );
80 Performs a database search using given Koha::Objects object and query parameters.
82 Returns an arrayref of the hashrefs representing the resulting objects
85 Warning: this helper adds pagination headers to the calling controller, and thus
86 shouldn't be called twice in it.
91 'objects.search' => sub {
92 my ( $c, $result_set ) = @_;
94 my $args = $c->validation->output;
97 # Extract reserved params
98 my ( $filtered_params, $reserved_params, $path_params ) = $c->extract_reserved_params($args);
100 my $is_public = $c->stash('is_public');
102 my $embed = $c->stash('koha.embed');
103 my $av_expand = $c->stash('koha.av_expand');
105 # Merge sorting into query attributes
106 $c->dbic_merge_sorting(
108 attributes => $attributes,
109 params => $reserved_params,
110 result_set => $result_set
114 # If no pagination parameters are passed, default
115 $reserved_params->{_per_page} //= C4::Context->preference('RESTdefaultPageSize');
116 $reserved_params->{_page} //= 1;
118 unless ( $reserved_params->{_per_page} == -1 ) {
119 # Merge pagination into query attributes
120 $c->dbic_merge_pagination(
122 filter => $attributes,
123 params => $reserved_params
128 # Generate prefetches for embedded stuff
129 $c->dbic_merge_prefetch(
131 attributes => $attributes,
132 result_set => $result_set
136 # Call the to_model function by reference, if defined
137 if ( defined $filtered_params ) {
139 # Apply the mapping function to the passed params
140 $filtered_params = $result_set->attributes_from_api($filtered_params);
141 $filtered_params = $c->build_query_params( $filtered_params, $reserved_params );
144 if ( defined $reserved_params->{q}
145 || defined $reserved_params->{query}
146 || defined $reserved_params->{'x-koha-query'} )
148 $filtered_params //= {};
150 my @query_params_array;
152 # query in request body, JSON::Validator already decoded it
153 push @query_params_array, $reserved_params->{query}
154 if defined $reserved_params->{query};
156 my $json = JSON->new;
158 if ( ref($reserved_params->{q}) eq 'ARRAY' ) {
159 # q is defined as multi => JSON::Validator generates an array
160 foreach my $q ( @{ $reserved_params->{q} } ) {
161 push @query_params_array, $json->decode($q)
162 if $q; # skip if exists but is empty
166 # objects.search called outside OpenAPI context
168 push @query_params_array, $json->decode($reserved_params->{q})
169 if $reserved_params->{q};
172 push @query_params_array,
173 $json->decode( $reserved_params->{'x-koha-query'} )
174 if defined $reserved_params->{'x-koha-query'};
178 if ( scalar(@query_params_array) > 1 ) {
179 $query_params = { '-and' => \@query_params_array };
182 $query_params = $query_params_array[0];
185 $filtered_params = $c->merge_q_params( $filtered_params, $query_params, $result_set );
188 # request sequence id (i.e. 'draw' Datatables parameter)
189 $c->res->headers->add( 'x-koha-request-id' => $reserved_params->{'x-koha-request-id'} )
190 if $reserved_params->{'x-koha-request-id'};
192 # If search_limited exists, use it
193 $result_set = $result_set->search_limited,
194 if $result_set->can('search_limited');
197 my $objects = $result_set->search( $filtered_params, $attributes );
198 my $total = $result_set->search->count;
200 $c->add_pagination_headers(
202 total => ($objects->is_paged ? $objects->pager->total_entries : $objects->count),
203 base_total => $total,
208 return $objects->to_api({ embed => $embed, public => $is_public, av_expand => $av_expand });