lreminder/reminder.pl

   1 #!/usr/bin/perl
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 2 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program; if not, write to the Free Software
  15 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  16 #
  17 # Author: Steven Schubiger <stsc@refcnt.org>
  18 # Last modified: Thu Jan 31 11:12:22 CET 2013
  19
  20 use strict;
  21 use warnings;
  22 use lib qw(lib);
  23 use constant true  => 1;
  24 use constant false => 0;
  25
  26 use DBI ();
  27 use File::Basename ();
  28 use File::Spec ();
  29 use FindBin qw($Bin);
  30 use Getopt::Long qw(:config no_auto_abbrev no_ignore_case);
  31 use Hook::Output::File ();
  32 use LUGS::Events::Parser ();
  33 use Mail::Sendmail qw(sendmail);
  34 use Text::Wrap::Smart::XS qw(fuzzy_wrap);
  35 use WWW::Mechanize ();
  36
  37 my $VERSION = '0.41';
  38
  39 #-----------------------
  40 # Start of configuration
  41 #-----------------------
  42
  43 my $Config = {
  44     events_url => 'http://www.lugs.ch/lugs/termine/termine.txt',
  45     form_url   => 'http://lists.lugs.ch/reminder.cgi',
  46     mail_from  => 'reminder@lugs.ch',
  47     dbase_name => '<hidden>',
  48     dbase_user => '<hidden>',
  49     dbase_pass => '<hidden>',
  50 };
  51
  52 #---------------------
  53 # End of configuration
  54 #---------------------
  55
  56 my $dbh  = DBI->connect("dbi:mysql(RaiseError=>1):$Config->{dbase_name}", $Config->{dbase_user}, $Config->{dbase_pass});
  57 my $file = File::Basename::basename($Config->{events_url});
  58
  59 my ($test, $run) = (false, false);
  60
  61 {
  62     getopts(\$test, \$run);
  63     my $hook = Hook::Output::File->redirect(
  64         stdout => File::Spec->catfile($Bin, 'stdout.out'),
  65         stderr => File::Spec->catfile($Bin, 'stderr.out'),
  66     );
  67     fetch_and_write_events();
  68     process_events();
  69 }
  70
  71 sub getopts
  72 {
  73     my ($test, $run) = @_;
  74
  75     GetOptions(test => $test, run => $run) or exit;
  76
  77     if (not $$test || $$run) {
  78         die "$0: neither --test nor --run specified, exiting\n";
  79     }
  80     elsif ($$test && $$run) {
  81         die "$0: both --test and --run specified, exiting\n";
  82     }
  83     return; # --test or --run specified
  84 }
  85
  86 sub fetch_and_write_events
  87 {
  88     my $mech = WWW::Mechanize->new;
  89     my $http = $mech->get($Config->{events_url});
  90
  91     open(my $fh, '>', $file) or die "Cannot open $file: $!\n";
  92     print {$fh} $http->content;
  93     close($fh);
  94 }
  95
  96 sub init
  97 {
  98     my ($parser, $month_days, $current) = @_;
  99
 100     $$parser = LUGS::Events::Parser->new($file, {
 101         filter_html  => true,
 102         tag_handlers => {
 103             'a href' => [ {
 104                 rewrite => '$TEXT - <$HREF>',
 105                 fields  => [ qw(responsible) ],
 106             }, {
 107                 rewrite => '$TEXT - $HREF',
 108                 fields  => [ qw(location more) ],
 109             } ],
 110             'br' => [ {
 111                 rewrite => '',
 112                 fields  => [ qw(more) ],
 113             } ],
 114         },
 115         strip_text => [ 'mailto:' ],
 116     });
 117     unlink $file;
 118
 119     %$month_days = (
 120         1 => 31,   7 => 31,
 121         2 => 28,   8 => 31,
 122         3 => 31,   9 => 30,
 123         4 => 30,  10 => 31,
 124         5 => 31,  11 => 30,
 125         6 => 30,  12 => 31,
 126     );
 127
 128     %$current = do {
 129         my @time = (localtime)[3..5];
 130         $time[1]++;
 131         $time[2] += 1900;
 132         map { $_ => shift @time } qw(day month year);
 133     };
 134 }
 135
 136 sub process_events
 137 {
 138     my   ($parser,  %month_days,  %current);
 139     init(\$parser, \%month_days, \%current);
 140
 141     while (my $event = $parser->next_event) {
 142         my %event = (
 143             year  => $event->get_event_year,
 144             month => $event->get_event_month,
 145             day   => $event->get_event_day,
 146             color => $event->get_event_color,
 147         );
 148
 149         my %sth;
 150
 151         $sth{subscribers} = $dbh->prepare('SELECT mail, mode, notify FROM subscribers');
 152         $sth{subscribers}->execute;
 153
 154         while (my $subscriber = $sth{subscribers}->fetchrow_hashref) {
 155             next unless $subscriber->{mode} == 2;
 156
 157             $sth{subscriptions} = $dbh->prepare('SELECT * FROM subscriptions WHERE mail = ?');
 158             $sth{subscriptions}->execute($subscriber->{mail});
 159
 160             my $subscriptions = $sth{subscriptions}->fetchrow_hashref;
 161             next unless $subscriptions->{$event{color}};
 162
 163             my %notify = %current;
 164
 165             $subscriber->{notify} ||= 0;
 166
 167             my $day = $current{day} + $subscriber->{notify};
 168             my $days_in_month = $month_days{$current{month}};
 169
 170             if ($day > $days_in_month) {
 171                 $notify{day} = $day - $days_in_month;
 172                 $notify{month}++;
 173             }
 174             else {
 175                 $notify{day} += $subscriber->{notify};
 176             }
 177
 178             if ($event{year}  == $notify{year}
 179              && $event{month} == $notify{month}
 180              && $event{day}   == $notify{day}
 181             ) {
 182                 send_mail($event, $subscriber->{mail});
 183             }
 184         }
 185     }
 186 }
 187
 188 sub send_mail
 189 {
 190     my ($event, $mail_subscriber) = @_;
 191
 192     my $year        = $event->get_event_year;
 193     my $month       = $event->get_event_month;
 194     my $simple_day  = $event->get_event_simple_day;
 195     my $wday        = $event->get_event_weekday;
 196     my $time        = $event->get_event_time;
 197     my $title       = $event->get_event_title;
 198     my $color       = $event->get_event_color;
 199     my $location    = $event->get_event_location;
 200     my $responsible = $event->get_event_responsible;
 201     my $more        = $event->get_event_more || '';
 202
 203     wrap_text(\$more);
 204     chomp $more;
 205     wrap_text(\$location);
 206
 207     my $i;
 208     my %month_names = map { sprintf('%02d', ++$i) => $_ }
 209       qw(Januar Februar Maerz April Mai Juni Juli August
 210          September Oktober November Dezember);
 211
 212     my $month_name = $month_names{$month};
 213
 214 my $message = (<<MSG);
 215 Wann:\t$wday, $simple_day. $month_name $year, $time Uhr
 216 Was :\t$title
 217 Wo  :\t$location
 218 Wer :\t$responsible
 219 Info:\t$more
 220
 221 Web Interface:
 222 $Config->{form_url}
 223
 224 ${\info_string()}
 225 MSG
 226
 227     if ($run) {
 228         sendmail(
 229             From    => $Config->{mail_from},
 230             To      => $mail_subscriber,
 231             Subject => "LUGS Reminder - $title",
 232             Message => $message,
 233         ) or die $Mail::Sendmail::error;
 234     }
 235     elsif ($test) {
 236         printf "[%s] <$mail_subscriber> ($color)\n", scalar localtime;
 237     }
 238 }
 239
 240 sub wrap_text
 241 {
 242     my ($text) = @_;
 243
 244     return unless length $$text;
 245
 246     my @chunks = fuzzy_wrap($$text, 70);
 247
 248     my $wrapped;
 249     foreach my $chunk (@chunks) {
 250         $wrapped .= ' ' x (defined $wrapped ? 8 : 0);
 251         $wrapped .= "$chunk\n";
 252     }
 253     chomp $wrapped;
 254
 255     $$text = $wrapped;
 256 }
 257
 258 sub info_string
 259 {
 260     my $script = File::Basename::basename($0);
 261     my $modified = localtime((stat($0))[9]);
 262
 263     $modified =~ s/(?<=\b) (?:\d{2}\:?){3} (?=\b)//x;
 264     $modified =~ s/\s+/ /g;
 265
 266     my $info = <<EOT;
 267 --
 268 running $script v$VERSION - last modified: $modified
 269 EOT
 270     return do { local $_ = $info; chomp while /\n$/; $_ };
 271 }