Add ParseDate plugin

PBot/Plugins/ParseDate.pm

@@ -0,0 +1,54 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# This module is intended to provide a "magic" command that allows
+# the bot owner to trigger special arbitrary code (by editing this
+# module and refreshing loaded modules before running the magical
+# command).
+
+# Just a quick interface to test/play with PBot::Utils::ParseDate
+
+package PBot::Plugins::ParseDate;
+
+use warnings;
+use strict;
+
+use Carp ();
+
+use PBot::Utils::ParseDate;
+use Time::Duration qw/duration/;
+
+sub new {
+  Carp::croak("Options to " . __FILE__ . " should be key/value pairs, not hash reference") if ref $_[1] eq 'HASH';
+  my ($class, %conf) = @_;
+  my $self = bless {}, $class;
+  $self->initialize(%conf);
+  return $self;
+}
+
+sub initialize {
+  my ($self, %conf) = @_;
+
+  $self->{pbot} = delete $conf{pbot} // Carp::croak("Missing pbot reference to " . __FILE__);
+  $self->{pbot}->{commands}->register(sub { return $self->pd(@_)}, "pd", 0);
+}
+
+sub unload {
+  my $self = shift;
+  $self->{pbot}->{commands}->unload("pd");
+}
+
+sub pd {
+  my $self = shift;
+  my ($from, $nick, $user, $host, $arguments) = @_;
+
+  my ($length, $error) = parsedate($arguments);
+  return $error if defined $error;
+
+  $length = duration $length;
+  return $length;
+}
+
+
+1;