From 6304efa5836ab4b5c51a085aacf4cfc34d2a92b7 Mon Sep 17 00:00:00 2001 From: Tomas Cohen Arazi Date: Fri, 1 Sep 2017 11:53:35 -0300 Subject: [PATCH] Bug 19234: Add query parameters handling helpers This patch introduces a Mojolicious plugin to be used on the REST api. It adds a helper method: generate_dbic_query =================== When used, it generates what's needed to perform a search on DBIC/Koha::Objects like this: my $params = $c->validation->output; my ($filtered_params, $reserved_params) = $c->extract_reserved_params($params); my $filter = do_smth($filtered_params, $reserved_params); my $attributes = do_smth_reserved($reserved_params); my $patrons = Koha::Patrons->search( $filter, $attributes ); It introduces reserved param names: - _match - _order_by - _page - _per_page They are reserved for later usage (pagination, matching algorithm on building DB queries) All the plugin's behaviour is tested. To test: - Run: $ sudo koha-shell kohadev k$ cd kohaclone k$ prove t/Koha/REST/Plugin/Query.t => SUCCESS: Tests pass! - Sign off :-D Sponsored-by: ByWater solutions Sponsored-by: Camden County Signed-off-by: Kyle M Hall Signed-off-by: Tomas Cohen Arazi --- Koha/REST/Plugin/Query.pm | 84 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 Koha/REST/Plugin/Query.pm diff --git a/Koha/REST/Plugin/Query.pm b/Koha/REST/Plugin/Query.pm new file mode 100644 index 0000000..1b7176c --- /dev/null +++ b/Koha/REST/Plugin/Query.pm @@ -0,0 +1,84 @@ +package Koha::REST::Plugin::Query; + +# 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::Query + +=head1 API + +=head2 Mojolicious::Plugin methods + +=head3 register + +=cut + +sub register { + my ( $self, $app ) = @_; + +=head2 Helper methods + +=head3 extract_reserved_params + + my ( $filtered_params, $reserved_params ) = $c->extract_reserved_params($params); + +Generates the DBIC query from the query parameters. + +=cut + + $app->helper( + 'extract_reserved_params' => sub { + my ( $c, $params ) = @_; + + my $reserved_params; + my $filtered_params; + + my $reserved_words = _reserved_words(); + + foreach my $param ( keys %{$params} ) { + if ( grep { $param eq $_ } @{$reserved_words} ) { + $reserved_params->{$param} = $params->{$param}; + } + else { + $filtered_params->{$param} = $params->{$param}; + } + } + + return ( $filtered_params, $reserved_params ); + } + ); +} + +=head2 Internal methods + +=head3 _reserved_words + + my $reserved_words = _reserved_words(); + +=cut + +sub _reserved_words { + + my @reserved_words = qw( _match _order_by _page _per_page ); + return \@reserved_words; +} + +1; -- 2.7.4