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-rwxr-xr-x | make-ical/make-ical.pl | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/make-ical/make-ical.pl b/make-ical/make-ical.pl new file mode 100755 index 0000000..2510d09 --- /dev/null +++ b/make-ical/make-ical.pl @@ -0,0 +1,159 @@ +#!/usr/bin/perl +# +# This program 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 2 of the License, or +# (at your option) any later version. +# +# This program 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 this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# +# Author: Steven Schubiger <stsc@refcnt.org> +# Last modified: Sun Jul 21 22:23:31 CEST 2013 + +use strict; +use warnings; +use lib qw(lib); + +my $VERSION = '0.02'; + +my $Config = { + base_url => 'http://www.lugs.ch/lugs/termine', + input => './termine.txt', + ical_dir => 'ical', + offset => undef, +}; + +{ + mkdir $Config->{ical_dir} unless -e $Config->{ical_dir}; + + my $ical = LUGS::Termine::ICal->new; + $ical->process_events; +} + +package LUGS::Termine::ICal; + +use constant true => 1; +use constant false => 0; + +use Data::ICal (); +use Data::ICal::Entry::Event (); +use Date::ICal (); +use Encode qw(encode); +use File::Spec (); +use HTML::Entities qw(decode_entities); +use LUGS::Events::Parser (); + +sub new +{ + my $class = shift; + + return bless {}; +} + +sub process_events +{ + my $self = shift; + + my $parser = LUGS::Events::Parser->new($Config->{input}, { + filter_html => true, + tag_handlers => { + 'a href' => [ { + rewrite => '$TEXT', + fields => [ qw(location) ], + }, { + rewrite => '$TEXT ($HREF)', + fields => [ qw(more) ], + } ], + }, + strip_text => [ 'mailto:' ], + }); + + while (my $event = $parser->next_event) { + my $year = $event->get_event_year; + my $month = $event->get_event_month; + my $day = $event->get_event_day; + + my %time; + + if ($event->get_event_time =~ /^(\d+:\d+) (?:\s+ - \s+ (\d+:\d+))?$/x) { + @time{qw(start_hour start_min)} = split /\:/, $1; + if ($2) { + @time{qw(end_hour end_min)} = split /\:/, $2; + } + else { + @time{qw(end_hour end_min)} = @time{qw(start_hour start_min)}; + } + } + else { + %time = map { $_ => 0 } qw(start_hour start_min end_hour end_min); + } + + $self->{calendar} = Data::ICal->new; + my $ical_event = Data::ICal::Entry::Event->new; + + my $location = $event->get_event_location; + my $summary = $event->get_event_title; + my $anchor = $event->get_event_anchor; + my $more = $event->get_event_more; + + $location =~ s/\(.+?\)//g; + $more =~ s/<.+?>//g if defined $more; + + sub { decode_entities($_) foreach @_ }->($location, $summary, defined $more ? $more : ()); + sub { $_ = encode('UTF-8', $_) foreach @_ }->($location, $summary, defined $more ? $more : ()); + + my $offset = $Config->{offset} ? $Config->{offset} : ((localtime)[8] ? '+0200' : '+0100'); + + $ical_event->add_properties( + dtstamp => Date::ICal->new->ical, + dtstart => Date::ICal->new( + year => $year, + month => $month, + day => $day, + hour => $time{start_hour}, + min => $time{start_min}, + sec => 00, + )->ical(offset => $offset), + dtend => Date::ICal->new( + year => $year, + month => $month, + day => $day, + hour => $time{end_hour}, + min => $time{end_min}, + sec => 00, + )->ical(offset => $offset), + location => $location, + summary => $summary, + defined $more ? ( + description => $more, + ) : (), + uid => "${anchor}\@lugs.ch", + url => join '#', ($Config->{base_url}, $anchor), + ); + + $self->{calendar}->add_entry($ical_event); + $self->save_ical($anchor); + } +} + +sub save_ical +{ + my $self = shift; + my ($file) = @_; + + my $ics_file = $file . '.ics'; + my $ics_path = File::Spec->catfile($Config->{ical_dir}, $ics_file); + + open(my $fh, '>', $ics_path) or die "Cannot write $ics_path: $!\n"; + print {$fh} do { local $_ = $self->{calendar}->as_string; +# s/\n/\r\n/g; + $_ }; + close($fh); +} |