Koha-clms/Koha/REST/Plugin/Objects.pm

98 lines
2.8 KiB
Perl

package Koha::REST::Plugin::Objects;
# This file is part of Koha.
#
# Koha is free software; you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation; either version 3 of the License, or (at your option) any later
# version.
#
# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with Koha; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
use Modern::Perl;
use Mojo::Base 'Mojolicious::Plugin';
=head1 NAME
Koha::REST::Plugin::Objects
=head1 API
=head2 Helper methods
=head3 objects.search
my $patrons_rs = Koha::Patrons->new;
my $patrons = $c->objects->search( $patrons_rs );
Performs a database search using given Koha::Objects object and query parameters.
Returns an arrayref of the hashrefs representing the resulting objects
for API rendering.
=cut
sub register {
my ( $self, $app ) = @_;
$app->helper(
'objects.search' => sub {
my ( $c, $result_set ) = @_;
my $args = $c->validation->output;
my $attributes = {};
# Extract reserved params
my ( $filtered_params, $reserved_params ) = $c->extract_reserved_params($args);
# Look for embeds
my $embed = $c->stash('koha.embed');
# Merge sorting into query attributes
$c->dbic_merge_sorting(
{
attributes => $attributes,
params => $reserved_params,
result_set => $result_set
}
);
# Merge pagination into query attributes
$c->dbic_merge_pagination(
{
filter => $attributes,
params => $reserved_params
}
);
# Call the to_model function by reference, if defined
if ( defined $filtered_params ) {
# Apply the mapping function to the passed params
$filtered_params = $result_set->attributes_from_api($filtered_params);
$filtered_params = $c->build_query_params( $filtered_params, $reserved_params );
}
# Perform search
my $objects = $result_set->search( $filtered_params, $attributes );
if ($objects->is_paged) {
$c->add_pagination_headers({
total => $objects->pager->total_entries,
params => $args,
});
}
return $objects->to_api({ embed => $embed });
}
);
}
1;