[Koha-bugs] [Bug 19234] Add query parameters handling helpers

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=19234

--- Comment #30 from Kyle M Hall <kyle at bywatersolutions.com> ---
Created attachment 69361
  -->
https://bugs.koha-community.org/bugzilla3/attachment.cgi?id=69361&action=edit
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 <kyle at bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen at theke.io>

Signed-off-by: Kyle M Hall <kyle at bywatersolutions.com>

Signed-off-by: Lari Taskula <lari.taskula at jns.fi>

Signed-off-by: Kyle M Hall <kyle at bywatersolutions.com>

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