modules/dates.pl

   1 # Copyright (C) 2010  Alex Schroeder <alex@gnu.org>
   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 3 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, see <http://www.gnu.org/licenses/>.
  15
  16 $ModulesDescription .= '<p><a href="http://git.savannah.gnu.org/cgit/oddmuse.git/tree/modules/dates.pl">dates.pl</a>, see <a href="http://www.oddmuse.org/cgi-bin/oddmuse/Dates_Extension">Dates Extension</a></p>';
  17
  18 push(@MyAdminCode, \&DatesMenu);
  19
  20 sub DatesMenu {
  21   my ($id, $menuref, $restref) = @_;
  22   push(@$menuref,
  23        ScriptLink('action=dates',
  24                   T('Extract all dates from the database'),
  25                   'dates'));
  26 }
  27
  28 $Action{dates} = \&DoDates;
  29
  30 my $regex = '([0-9][0-9][0-9][0-9]-([0-9][0-9])-([0-9][0-9]))';
  31
  32 sub DoDates {
  33   print GetHeader('', T('Dates')), $q->start_div({-class=>'content dates'});
  34   print $q->p(T("No dates found.")) unless $q->p(SearchTitleAndBody($regex, \&DateCollector));
  35   DatesPrint();
  36   PrintFooter();
  37 }
  38
  39 my %date_collection;
  40 my $date_page;
  41
  42 *OldDatesSearchString = *SearchString;
  43 *SearchString = *NewDatesSearchString;
  44
  45 sub NewDatesSearchString {
  46   $date_page = $_[1]; # save the page text!
  47   return OldDatesSearchString(@_);
  48 }
  49
  50 sub DateCollector {
  51   my $id = shift;
  52   my $text = $date_page; # use the page text saved above!
  53   my ($ignore, $qtext) = split(/\n/, $text, 2);
  54   $qtext = QuoteHtml($qtext);
  55   while ($text =~ m/$regex/g) {
  56     my $date = $1;
  57     my $key = "$2-$3";
  58     my $context = SearchHighlight(SearchExtract($qtext, $date), $date);
  59     push(@{$date_collection{$key}}, [$id, $context]);
  60   }
  61 }
  62
  63 sub DatesPrint {
  64   for my $key (sort keys %date_collection) {
  65     print $q->h2($key);
  66     print '<ul>';
  67     for my $item (@{$date_collection{$key}}) {
  68       my @item = @{$item};
  69       my $id = $item[0];
  70       my $context = $item[1];
  71       print $q->li(GetPageLink($id) . ': ' . $context);
  72     }
  73     print '</ul>';
  74   }
  75 }