From 48126f0c53dc3ecb3519888059ce09a7e5534151 Mon Sep 17 00:00:00 2001
From: Matthew Barksdale <mattwb65@gmail.com>
Date: Tue, 1 Feb 2011 23:00:54 -0500
Subject: [PATCH] Added a Weather module.

---
 doc/CHANGELOG      |   1 +
 doc/TODO           |   2 +-
 modules/Weather.pm | 134 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 136 insertions(+), 1 deletion(-)
 create mode 100644 modules/Weather.pm

diff --git a/doc/CHANGELOG b/doc/CHANGELOG
index bab8093..abe673f 100644
--- a/doc/CHANGELOG
+++ b/doc/CHANGELOG
@@ -3,6 +3,7 @@ Auto IRC Bot 3.0: Change Log
 
 3.0 Indev
 ==================================================================
+    * Added Weather module.
     * Added Calc module.
     * Fixed the NAME,VER,SVER,REV,RSTAGE constants.
     * Added a CTCP VERSION reply.
diff --git a/doc/TODO b/doc/TODO
index 1c74e95..662c57c 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -36,7 +36,7 @@ Legend:
      [ ] Create system file for Microsoft Windows (currently unsupported)
 
  [!] Features
-     [ ] Weather module
+     [X] Weather module
      [X] Google Calculator module
      [ ] YouTube Search module
      [ ] Twitter module
diff --git a/modules/Weather.pm b/modules/Weather.pm
new file mode 100644
index 0000000..83c9a09
--- /dev/null
+++ b/modules/Weather.pm
@@ -0,0 +1,134 @@
+# Auto IRC Bot. An advanced, lightweight and powerful IRC bot.
+# Copyright (C) 2010-2011 Xelhua Development Team (doc/CREDITS)
+# This program is free software; rights to this code are stated in doc/LICENSE.
+package m_Weather;
+use strict;
+use warnings;
+use API::Std qw(cmd_add cmd_del trans);
+use API::IRC qw(privmsg notice);
+use LWP::UserAgent;
+use XML::Simple;
+
+# Initialization subroutine.
+sub _init 
+{
+	# Create the Weather command.
+	cmd_add("WEATHER", 0, \%m_Weather::SHELP_Weather, \%m_Weather::FHELP_WEATHER, \&m_Weather::weather) or return 0;
+
+	# Success.
+	return 1;
+}
+
+# Void subroutine.
+sub _void 
+{
+	# Delete the Weather command.
+	cmd_del("WEATHER") or return 0;
+
+	# Success.
+	return 1;
+}
+
+# Help hashes.
+our %SHELP_Weather = (
+		'en' => "Retrieve the weather.",
+		);
+
+our %FHELP_Weather = (
+		'en' => "This command will retrieve the weather via Wunderground for the specified location. Syntax: WEATHER <location>",
+		);
+
+# Callback for Weather command.
+sub weather
+{
+	my (%data) = @_;
+
+	# Create an instance of LWP::UserAgent.
+	my $ua = LWP::UserAgent->new();
+	$ua->agent('Auto IRC Bot');
+	$ua->timeout(2);
+	# Put together the call to the Wunderground API. 
+	my @args = @{ $data{args} };
+	if (!defined $args[0]) {
+		notice($data{svr}, $data{nick}, trans("Not enough parameters").".");
+		return 0;
+	}
+	my $loc = join(' ', @args);
+	$loc =~ s/ /%20/g;
+	my $url = "http://api.wunderground.com/auto/wui/geo/WXCurrentObXML/index.xml?query=".$loc;
+	# Get the response via HTTP.
+	my $response = $ua->get($url);
+
+	if ($response->is_success) {
+	# If successful, decode the content.
+		my $d = XMLin($response->decoded_content);
+	# And send to channel
+		if (!ref($d->{observation_location}->{country})) {
+			my $windc = $d->{wind_string};
+			if (substr($windc, length($windc) - 1, 1) eq " ") { $windc = substr($windc, 0, length($windc) - 1); }
+			privmsg($data{svr}, $data{chan}, "Results for \2".$d->{observation_location}->{full}."\2 - \2Temperature:\2 ".$d->{temperature_string}." \2Wind Conditions:\2 ".$windc." \2Conditions:\2 ".$d->{weather});
+			privmsg($data{svr}, $data{chan}, "\2Heat index:\2 ".$d->{heat_index_string}." \2Humidity:\2 ".$d->{relative_humidity}." \2Pressure:\2 ".$d->{pressure_string}." - ".$d->{observation_time});
+		}
+		else {
+		# Otherwise, send an error message.
+			privmsg($data{svr}, $data{chan}, "Location not found.");
+		}
+	}
+	else {
+	# Otherwise, send an error message.
+		privmsg($data{svr}, $data{chan}, "An error occurred while retrieving your weather.");
+	}
+
+	return 1;
+}
+
+# Start initialization.
+API::Std::mod_init("Weather", "Xelhua", "1.00", "3.0d", __PACKAGE__);
+
+__END__
+
+=head1 Weather
+
+=head2 Description
+
+=over
+
+This module adds the WEATHER command for retrieving
+the current weather.
+
+=back
+
+=head2 How To Use
+
+=over
+
+Add Weather to the module autoload.
+
+=back
+
+=head2 Examples
+
+=over
+
+<JohnSmith> !weather 10111
+<Auto> Results for Central Park, New York - Temperature: 27 F (-3 C) Wind Conditions: From the NE at 9 MPH Gusting to 22 MPH Conditions: Overcast
+<Auto> Heat index: NA Humidity: 89% Pressure: 30.22 in (1023 mb) - Last Updated on February 1, 9:51 PM EST
+
+=back
+
+=head2 To Do
+
+=over
+
+* Add Spanish, French and German translations for the help hashes.
+
+=back
+
+=head2 Technical
+
+=over
+
+This module requires LWP::UserAgent and XML::Simple both obtainable from CPAN (http://cpan.org)
+This module is compatible with Auto version 3.0a2+.
+
+=back