add debconf_pb_to_ics

diff --git a/debconf_pb_to_ics b/debconf_pb_to_ics
new file mode 100755 (executable)
index 0000000..3e9dcf2
--- /dev/null
+++ b/debconf_pb_to_ics
@@ -0,0 +1,139 @@
+#!/usr/bin/perl
+# SCRIPTNAME DOES_SOMETHING
+# and is released under the terms of the GNU GPL version 3, or any
+# later version, at your option. See the file README and COPYING for
+# more information.
+# Copyright 2016 by Don Armstrong <don@donarmstrong.com>.
+
+
+use warnings;
+use strict;
+
+use Getopt::Long;
+use Pod::Usage;
+
+use LWP::Simple;
+use XML::LibXML;
+use POSIX qw(strftime);
+use DateTime;
+use DateTime::Format::DateParse qw(parse_datetime);
+
+=head1 NAME
+
+SCRIPTNAME - DOES_SOMETHING
+
+=head1 SYNOPSIS
+
+SCRIPTNAME [options]
+
+ Options:
+   --debug, -d debugging level (Default 0)
+   --help, -h display this help
+   --man, -m display manual
+
+=head1 OPTIONS
+
+=over
+
+=item B<--debug, -d>
+
+Debug verbosity. (Default 0)
+
+=item B<--help, -h>
+
+Display brief usage information.
+
+=item B<--man, -m>
+
+Display this manual.
+
+=back
+
+=head1 EXAMPLES
+
+SCRIPTNAME
+
+=cut
+
+
+use vars qw($DEBUG);
+
+my %options = (debug           => 0,
+               help            => 0,
+               man             => 0,
+              );
+
+GetOptions(\%options,
+           'debug|d+','help|h|?','man|m');
+
+pod2usage() if $options{help};
+pod2usage({verbose=>2}) if $options{man};
+
+$DEBUG = $options{debug};
+
+my @USAGE_ERRORS;
+# if (1) {
+#     push @USAGE_ERRORS,"You must pass something";
+# }
+
+pod2usage(join("\n",@USAGE_ERRORS)) if @USAGE_ERRORS;
+
+
+my $xml = XML::LibXML->load_xml(string => get('https://debconf16.debconf.org/schedule/pentabarf.xml'));
+
+print << 'EOF';
+BEGIN:VCALENDAR
+VERSION:2.0
+X-WR-CALNAME:pentabarf_to_ics
+PRODID:-//PentabarfToICS//EN
+X-WR-TIMEZONE:UTC
+X-WR-CALDESC:Pentabarf To ICS
+CALSCALE:GREGORIAN
+EOF
+my $timestamp = strftime('%Y%m%dT%H%M%SZ',gmtime);
+for my $event ($xml->findnodes('.//event')) {
+    print STDERR $event->toString if $DEBUG;
+    my $id = $event->getAttribute('id');
+    my $start = DateTime::Format::DateParse->parse_datetime(node_content($event,'date'));
+    $start->set_time_zone('UTC');
+    my $start_stamp = strftime('%Y%m%dT%H%M%SZ',gmtime($start->epoch));
+    my $duration = node_content($event,'duration');
+    if (not defined $duration or $duration eq ':') {
+        $duration = node_content($xml,'timeslot_duration');
+    }
+    my ($h,$m) = $duration =~ /(\d+)\:(\d+)/;
+    $duration = DateTime::Duration->new(hours => $h,minutes => $m);
+    my $stop_stamp = strftime('%Y%m%dT%H%M%SZ',gmtime(($start+$duration)->epoch));
+    my $summary = node_content($event,'title');
+    my $description = node_content($event,'description');
+    $description =~ s/\n/\\n/g;
+    my $url = node_content($event,'full_conf_url');
+    my $type = node_content($event,'type');
+    print <<"EOF";
+BEGIN:VEVENT
+DTSTAMP:$timestamp
+UID: $id
+DTSTART: $start_stamp
+DTEND: $stop_stamp
+SUMMARY: $summary
+DESCRIPTION:: $description
+ $url
+CATEGORIES: $type
+END:VEVENT
+EOF
+}
+
+
+print << 'EOF';
+END:VCALENDAR
+EOF
+
+
+sub node_content {
+    my ($xml,$node) = @_;
+
+    my ($n) = $xml->findnodes(".//$node");
+    return $n->textContent();
+}
+
+__END__