From 144dc587428716ec138147fc9d225eb2ce6c0168 Mon Sep 17 00:00:00 2001
From: Tomas Cohen Arazi <tomascohen@theke.io>
Date: Mon, 28 Sep 2020 10:23:50 -0300
Subject: [PATCH] Bug 26555: Add Koha::Object::Message

This patch introduces a tiny class for encapsulating execution messages in
Koha::Object derived classes.

To test:
1. Apply this patch
2. Run;
   $ kshell
  k$ prove t/Koha/Object/Message.t
=> SUCCESS: Tests pass!
3. Sign off :-D

Signed-off-by: David Nind <david@davidnind.com>
---
 Koha/Object/Message.pm  | 77 +++++++++++++++++++++++++++++++++++++++++++++++++
 t/Koha/Object/Message.t | 51 ++++++++++++++++++++++++++++++++
 2 files changed, 128 insertions(+)
 create mode 100644 Koha/Object/Message.pm
 create mode 100755 t/Koha/Object/Message.t

diff --git a/Koha/Object/Message.pm b/Koha/Object/Message.pm
new file mode 100644
index 0000000000..8efbbc3fda
--- /dev/null
+++ b/Koha/Object/Message.pm
@@ -0,0 +1,77 @@
+package Koha::Object::Message;
+
+# 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 base qw(Class::Accessor);
+
+use Koha::Exceptions;
+
+__PACKAGE__->mk_ro_accessors(qw( message type ));
+
+=head1 NAME
+
+Koha::Object::Message - Class encapsulating errors in Koha::Object-derived classes
+
+=head1 SYNOPSIS
+
+  my ($self, $params) = @_;
+  push @{$self->{_errors}} = Koha::Object::Message->new($params);
+
+=head1 API
+
+=head2 Class methods
+
+=head3 new
+
+    my $message = Koha::Object::Message->new(
+        {
+            message => $some_message,
+          [ type    => 'error' ]
+        }
+    );
+
+Create a new Koha::Object::Message object.
+
+=cut
+
+sub new {
+    my ( $class, $params ) = @_;
+
+    my $message = $params->{message};
+    my $type    = $params->{type} // 'error';
+
+    Koha::Exceptions::MissingParameter->throw( "Mandatory parameter missing: 'message'" )
+        unless $message;
+
+    my $self = $class->SUPER::new(
+        {
+            message => $message,
+            type    => $type
+        }
+    );
+
+    return $self;
+}
+
+=head1 AUTHOR
+
+Tomas Cohen Arazi, E<lt>tomascohen@theke.ioE<gt>
+
+=cut
+
+1;
diff --git a/t/Koha/Object/Message.t b/t/Koha/Object/Message.t
new file mode 100755
index 0000000000..04bbe5e796
--- /dev/null
+++ b/t/Koha/Object/Message.t
@@ -0,0 +1,51 @@
+#!/usr/bin/perl
+
+# Copyright 2020 Koha Development team
+#
+# 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 Test::More tests => 2;
+use Test::Exception;
+
+BEGIN {
+    use_ok('Koha::Object::Message');
+}
+
+subtest 'new() tests' => sub {
+
+    plan tests => 8;
+
+    my $some_error = 'Some error';
+
+    my $message = Koha::Object::Message->new({ message => $some_error });
+    is( ref($message), 'Koha::Object::Message', 'Type is correct' );
+    is( $message->message, $some_error, 'The message attribute has the right value' );
+    is( $message->type, 'error', 'If omitted, the type is error' );
+
+    $message = Koha::Object::Message->new({ message => $some_error, type => 'callback' });
+    is( ref($message), 'Koha::Object::Message', 'Type is correct' );
+    is( $message->message, $some_error, 'The message attribute has the right value' );
+    is( $message->type, 'callback', 'type is correct' );
+
+    throws_ok
+        { Koha::Object::Message->new({ blah => 'ohh' }); }
+        'Koha::Exceptions::MissingParameter',
+        'Exception thrown if required parameter missing';
+
+    is( "$@", "Mandatory parameter missing: 'message'", 'Expected exception message' );
+};
-- 
2.11.0