ND/Web/Pages/Forum.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 ND::Web::Pages::Forum;
  21 use strict;
  22 use warnings FATAL => 'all';
  23 no warnings 'uninitialized';
  24 use ND::Web::Forum;
  25 use CGI qw/:standard/;
  26 use ND::Web::Include;
  27
  28 $ND::PAGES{forum} = {parse => \&parse, process => \&process, render=> \&render};
  29
  30 sub parse {
  31         my ($uri) = @_;
  32         if ($uri =~ m{^/.*/allUnread$}){
  33                 param('allUnread',1);
  34         }
  35 }
  36
  37 sub process {
  38
  39 }
  40
  41 sub render {
  42         my ($DBH,$BODY) = @_;
  43
  44         $ND::TEMPLATE->param(TITLE => 'Forum');
  45
  46         my $board;
  47         if(param('b')){
  48                 my $boards = $DBH->prepare(q{SELECT fb.fbid AS id,fb.board, bool_or(fa.post) AS post
  49                         FROM forum_boards fb NATURAL JOIN forum_access fa
  50                         WHERE fb.fbid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
  51                         WHERE uid = $2))
  52                         GROUP BY fb.fbid,fb.board});
  53                 $board = $DBH->selectrow_hashref($boards,undef,param('b'),$ND::UID) or $ND::ERROR .= p($DBH->errstr);
  54         }
  55
  56         my $thread;
  57         my $findThread = $DBH->prepare(q{SELECT ft.ftid AS id,ft.subject, bool_or(fa.post) AS post
  58                 FROM forum_boards fb NATURAL JOIN forum_access fa NATURAL JOIN forum_threads ft
  59                 WHERE ft.ftid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
  60                 WHERE uid = $2))
  61                 GROUP BY ft.ftid,ft.subject});
  62         if(param('t')){
  63                 $thread = $DBH->selectrow_hashref($findThread,undef,param('t'),$ND::UID) or $ND::ERROR .= p($DBH->errstr);
  64         }
  65
  66         if (defined param('cmd') && param('cmd') eq 'forumpost'){
  67                 $DBH->begin_work;
  68                 if ($board && $board->{post}){
  69                         $thread = addForumThread $DBH,$board,$ND::UID,param('subject');
  70                 }
  71                 if ($thread && $thread->{post}){
  72                         addForumPost($DBH,$thread,$ND::UID,param('message'));
  73                 }
  74                 $DBH->commit or $ND::ERROR .= p($DBH->errstr);
  75         }
  76
  77         my $categories = $DBH->prepare(q{SELECT fcid AS id,category FROM forum_categories ORDER BY fcid});
  78         my $threads = $DBH->prepare(q{SELECT ft.ftid AS id,ft.subject,count(NULLIF(COALESCE(fp.time > ftv.time,TRUE),FALSE)) AS unread,count(fp.fpid) AS posts, max(fp.time)::timestamp as last_post
  79                 FROM forum_threads ft JOIN forum_posts fp USING (ftid) LEFT OUTER JOIN (SELECT * FROM forum_thread_visits WHERE uid = $2) ftv ON ftv.ftid = ft.ftid
  80                 WHERE ft.fbid = $1
  81                 GROUP BY ft.ftid, ft.subject
  82                 HAVING count(NULLIF(COALESCE(fp.time > ftv.time,TRUE),FALSE)) >= $3
  83                 ORDER BY last_post DESC});
  84
  85         if ($thread){ #Display the thread
  86                 $BODY->param(Thread => viewForumThread $thread);
  87
  88         }elsif($board){ #List threads in this board
  89                 $BODY->param(Board => $board->{board});
  90                 $BODY->param(Post => $board->{post});
  91                 $BODY->param(Id => $board->{id});
  92                 $threads->execute($board->{id},$ND::UID,0) or $ND::ERROR .= p($DBH->errstr);
  93                 my $i = 0;
  94                 my @threads;
  95                 while (my $thread = $threads->fetchrow_hashref){
  96                         $i++;
  97                         $thread->{Odd} = $i % 2;
  98                         push @threads,$thread;
  99                 }
 100                 $BODY->param(Threads => \@threads);
 101
 102         }elsif(defined param('allUnread')){ #List threads in this board
 103                 $BODY->param(AllUnread => 1);
 104                 $BODY->param(Id => $board->{id});
 105                 $categories->execute or $ND::ERROR .= p($DBH->errstr);
 106                 my @categories;
 107                 my $boards = $DBH->prepare(q{SELECT fb.fbid AS id,fb.board, bool_or(fa.post) AS post
 108                         FROM forum_boards fb NATURAL JOIN forum_access fa
 109                         WHERE fb.fcid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
 110                         WHERE uid = $2))
 111                         GROUP BY fb.fbid,fb.board
 112                         ORDER BY fb.fbid
 113                         });
 114                 while (my $category = $categories->fetchrow_hashref){
 115                         $boards->execute($category->{id},$ND::UID) or $ND::ERROR .= p($DBH->errstr);
 116                         my @boards;
 117                         while (my $board = $boards->fetchrow_hashref){
 118                                 $threads->execute($board->{id},$ND::UID,1) or $ND::ERROR .= p($DBH->errstr);
 119                                 my $i = 0;
 120                                 my @threads;
 121                                 while (my $thread = $threads->fetchrow_hashref){
 122                                         $i++;
 123                                         $thread->{Odd} = $i % 2;
 124                                         push @threads,$thread;
 125                                 }
 126                                 $board->{Threads} = \@threads;
 127                                 delete $board->{post};
 128                                 push @boards,$board if $i > 0;
 129                         }
 130                         $category->{Boards} = \@boards;
 131                         delete $category->{id};
 132                         push @categories,$category if @boards;
 133                 }
 134                 $BODY->param(Categories => \@categories);
 135
 136         }else{ #List boards
 137                 $BODY->param(Overview => 1);
 138                 $categories->execute or $ND::ERROR .= p($DBH->errstr);
 139                 my $boards = $DBH->prepare(q{SELECT fb.fbid AS id,fb.board,count(NULLIF(COALESCE(fp.fpid::boolean,FALSE) AND COALESCE(fp.time > ftv.time,TRUE),FALSE)) AS unread
 140                         FROM forum_boards fb LEFT OUTER JOIN (forum_threads ft JOIN forum_posts fp USING (ftid)) ON fb.fbid = ft.fbid LEFT OUTER JOIN (SELECT * FROM forum_thread_visits WHERE uid = $2) ftv ON ftv.ftid = ft.ftid
 141                         WHERE fb.fcid = $1 AND
 142                         fb.fbid IN (SELECT fbid FROM forum_access WHERE gid IN (SELECT groups($2)))
 143                         GROUP BY fb.fbid, fb.board
 144                         ORDER BY fb.fbid        });
 145                 my @categories;
 146                 while (my $category = $categories->fetchrow_hashref){
 147                         $boards->execute($category->{id},$ND::UID) or $ND::ERROR .= p($DBH->errstr);
 148                         my @boards;
 149                         my $i = 0;
 150                         while (my $board = $boards->fetchrow_hashref){
 151                                 $i++;
 152                                 $board->{Odd} = $i % 2;
 153                                 push @boards,$board;
 154                         }
 155                         $category->{Boards} = \@boards;
 156                         delete $category->{id};
 157                         push @categories,$category if $i > 0;
 158                 }
 159                 $BODY->param(Categories => \@categories);
 160
 161         }
 162         return $BODY;
 163 }
 164
 165 1;
 166