Bug 27366: Add controller

Add a patron holds controller for the REST api and impliment the #list
methods.

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

Koha/REST/V1/Patrons/Holds.pm

@@ -0,0 +1,67 @@
+package Koha::REST::V1::Patrons::Holds;
+
+# 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, see <http://www.gnu.org/licenses>.
+
+use Modern::Perl;
+
+use Mojo::Base 'Mojolicious::Controller';
+
+use Koha::Patrons;
+
+=head1 NAME
+
+Koha::REST::V1::Patrons::Holds
+
+=head1 API
+
+=head2 Methods
+
+=head3 list
+
+Controller function that handles listing Koha::Hold objects for the requested patron
+
+=cut
+
+sub list {
+    my $c = shift->openapi->valid_input or return;
+
+    my $patron = Koha::Patrons->find( $c->validation->param('patron_id') );
+
+    unless ( $patron ) {
+        return $c->render(
+            status  => 404,
+            openapi => {
+                error => 'Patron not found'
+            }
+        );
+    }
+
+    return try {
+
+        my $holds_rs = $patron->holds;
+        my $holds    = $c->objects->search( $holds_rs );
+
+        return $c->render(
+            status  => 200,
+            openapi => $holds
+        );
+    }
+    catch {
+        $c->unhandled_exception($_);
+    };
+}
+
+1;