NDWeb/Pages/Forum/Search.pm

   1 #**************************************************************************
   2 #   Copyright (C) 2006 by Michael Andreen <harvATruinDOTnu>               *
   3 #                                                                         *
   4 #   This program is free software; you can redistribute it and/or modify  *
   5 #   it under the terms of the GNU General Public License as published by  *
   6 #   the Free Software Foundation; either version 2 of the License, or     *
   7 #   (at your option) any later version.                                   *
   8 #                                                                         *
   9 #   This program is distributed in the hope that it will be useful,       *
  10 #   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12 #   GNU General Public License for more details.                          *
  13 #                                                                         *
  14 #   You should have received a copy of the GNU General Public License     *
  15 #   along with this program; if not, write to the                         *
  16 #   Free Software Foundation, Inc.,                                       *
  17 #   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  18 #**************************************************************************/
  19
  20 package NDWeb::Pages::Forum::Search;
  21 use strict;
  22 use warnings;
  23 use NDWeb::Forum;
  24 use CGI qw/:standard/;
  25 use NDWeb::Include;
  26 use ND::Include;
  27
  28 use base qw/NDWeb::Pages::Forum/;
  29
  30 sub render_body {
  31         my $self = shift;
  32         my ($BODY) = @_;
  33         my $DBH = $self->{DBH};
  34         $self->{TITLE} = 'Forum';
  35         my @queries;
  36         if (param('search')){
  37                 push @queries,'('.param('search').')';
  38         }
  39         my %cat = (body => 'D', topic => 'A', author => 'B');
  40         for ('body','topic','author'){
  41                 if (param($_)){
  42                         my @words = split /\W+/,param($_);
  43                         my $op = param('all'.$_) ? '&' : '|';
  44                         my $cat = $cat{$_};
  45                         my $query = join " $op ", map {"$_:$cat"} @words;
  46                         push @queries,"($query)";
  47                 }
  48         }
  49         my $search = join ' & ', @queries;
  50
  51         if ($search){
  52                 my $posts = $DBH->prepare(q{SELECT fp.ftid,u.username,ft.subject
  53                         ,ts_headline(fp.message,to_tsquery($2)) AS headline
  54                         ,ts_rank_cd(fp.textsearch, to_tsquery($2),32) AS rank
  55                         FROM forum_boards fb
  56                                 JOIN forum_threads ft USING (fbid)
  57                                 JOIN forum_posts fp USING (ftid)
  58                                 JOIN users u ON fp.uid = u.uid
  59                         WHERE fb.fbid IN (SELECT fbid FROM forum_access
  60                                         WHERE gid IN (SELECT groups($1)))
  61                                 AND fp.textsearch @@@ to_tsquery($2)
  62                         ORDER BY rank DESC
  63                 }) or warn $DBH->errstr;
  64                 $posts->execute($ND::UID,$search) or warn escapeHTML $DBH->errstr;
  65                 my @posts;
  66                 while (my $post = $posts->fetchrow_hashref){
  67                         push @posts,$post;
  68                 }
  69                 $BODY->param(SearchResult => \@posts);
  70         }
  71         return $BODY;
  72 }
  73
  74 1;