forum.pl

   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 use strict;
  21 use warnings FATAL => 'all';
  22
  23 $ND::TEMPLATE->param(TITLE => 'Forum');
  24
  25 our $BODY;
  26 our $DBH;
  27 our $ERROR;
  28
  29
  30 my $board;
  31 if(param('b')){
  32 my $boards = $DBH->prepare(q{SELECT fb.fbid AS id,fb.board, bool_or(fa.post) AS post
  33 FROM forum_boards fb NATURAL JOIN forum_access fa
  34 WHERE fb.fbid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
  35         WHERE uid = $2))
  36 GROUP BY fb.fbid,fb.board});
  37         $board = $DBH->selectrow_hashref($boards,undef,param('b'),$ND::UID) or $ERROR .= p($DBH->errstr);
  38 }
  39
  40 my $thread;
  41 my $findThread = $DBH->prepare(q{SELECT ft.ftid AS id,ft.subject, bool_or(fa.post) AS post
  42 FROM forum_boards fb NATURAL JOIN forum_access fa NATURAL JOIN forum_threads ft
  43 WHERE ft.ftid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
  44         WHERE uid = $2))
  45 GROUP BY ft.ftid,ft.subject});
  46 if(param('t')){
  47         $thread = $DBH->selectrow_hashref($findThread,undef,param('t'),$ND::UID) or $ERROR .= p($DBH->errstr);
  48 }
  49
  50 if (defined param('cmd') && param('cmd') eq 'submit'){
  51         $DBH->begin_work;
  52         if ($board && $board->{post}){
  53                 my $insert = $DBH->prepare(q{INSERT INTO forum_threads (fbid,subject) VALUES($1,$2)});
  54                 if ($insert->execute($board->{id},param('subject'))){
  55                         $thread = $DBH->selectrow_hashref($findThread,undef,
  56                                 $DBH->last_insert_id(undef,undef,undef,undef,"forum_threads_ftid_seq"),$ND::UID)
  57                                 or $ERROR .= p($DBH->errstr);
  58                 }else{
  59                         $ERROR .= p($DBH->errstr);
  60                 }
  61         }
  62         if ($thread && $thread->{post}){
  63                 my $insert = $DBH->prepare(q{INSERT INTO forum_posts (ftid,message,uid) VALUES($1,$2,$3)});
  64                 $insert->execute($thread->{id},escapeHTML(param('message')),$ND::UID) or $ERROR .= p($DBH->errstr);
  65         }
  66         $DBH->commit or $ERROR .= p($DBH->errstr);
  67 }
  68
  69 my $categories = $DBH->prepare(q{SELECT fcid AS id,category FROM forum_categories ORDER BY fcid});
  70 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
  71 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
  72 WHERE ft.fbid = $1
  73 GROUP BY ft.ftid, ft.subject
  74 HAVING count(NULLIF(COALESCE(fp.time > ftv.time,TRUE),FALSE)) >= $3});
  75
  76 if ($thread){ #Display the thread
  77         $BODY->param(Thread => 1);
  78         $BODY->param(Subject => $thread->{subject});
  79         $BODY->param(Id => $thread->{id});
  80         $BODY->param(Post => $thread->{post});
  81
  82         my $posts = $DBH->prepare(q{SELECT u.username,date_trunc('minute',fp.time::timestamp) AS time,fp.message,COALESCE(fp.time > ftv.time,TRUE) AS unread
  83 FROM forum_threads ft JOIN forum_posts fp USING (ftid) NATURAL JOIN users u LEFT OUTER JOIN (SELECT * FROM forum_thread_visits WHERE uid = $2) ftv ON ftv.ftid = ft.ftid
  84 WHERE ft.ftid = $1
  85 ORDER BY fp.time ASC
  86 });
  87         $posts->execute($thread->{id},$ND::UID) or $ERROR .= p($DBH->errstr);
  88         my @posts;
  89         my $old = 1;
  90         while (my $post = $posts->fetchrow_hashref){
  91                 if ($old && $post->{unread}){
  92                         $old = 0;
  93                         $post->{NewPosts} = 1;
  94                 }
  95                 $post->{message} = parseMarkup($post->{message});
  96                 push @posts,$post;
  97         }
  98         $BODY->param(Posts => \@posts);
  99
 100         markThreadAsRead($thread->{id});
 101
 102 }elsif($board){ #List threads in this board
 103         $BODY->param(Board => $board->{board});
 104         $BODY->param(Post => $board->{post});
 105         $BODY->param(Id => $board->{id});
 106         $threads->execute($board->{id},$ND::UID,0) or $ERROR .= p($DBH->errstr);
 107         my $i = 0;
 108         my @threads;
 109         while (my $thread = $threads->fetchrow_hashref){
 110                 $i++;
 111                 $thread->{Odd} = $i % 2;
 112                 push @threads,$thread;
 113         }
 114         $BODY->param(Threads => \@threads);
 115
 116 }elsif(defined param('allUnread')){ #List threads in this board
 117         $BODY->param(AllUnread => 1);
 118         $BODY->param(Id => $board->{id});
 119         $categories->execute or $ERROR .= p($DBH->errstr);
 120         my @categories;
 121         my $boards = $DBH->prepare(q{SELECT fb.fbid AS id,fb.board, bool_or(fa.post) AS post
 122 FROM forum_boards fb NATURAL JOIN forum_access fa
 123 WHERE fb.fcid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
 124         WHERE uid = $2))
 125 GROUP BY fb.fbid,fb.board
 126 });
 127         while (my $category = $categories->fetchrow_hashref){
 128                 $boards->execute($category->{id},$ND::UID) or $ERROR .= p($DBH->errstr);
 129                 my @boards;
 130                 while (my $board = $boards->fetchrow_hashref){
 131                         $threads->execute($board->{id},$ND::UID,1) or $ERROR .= p($DBH->errstr);
 132                         my $i = 0;
 133                         my @threads;
 134                         while (my $thread = $threads->fetchrow_hashref){
 135                                 $i++;
 136                                 $thread->{Odd} = $i % 2;
 137                                 push @threads,$thread;
 138                         }
 139                         $board->{Threads} = \@threads;
 140                         delete $board->{post};
 141                         push @boards,$board if $i > 0;
 142                 }
 143                 $category->{Boards} = \@boards;
 144                 delete $category->{id};
 145                 push @categories,$category if @boards;
 146         }
 147         $BODY->param(Categories => \@categories);
 148
 149 }else{ #List boards
 150         $BODY->param(Overview => 1);
 151         $categories->execute or $ERROR .= p($DBH->errstr);
 152 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
 153 FROM forum_boards fb NATURAL JOIN forum_access fa 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
 154 WHERE fb.fcid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
 155                 WHERE uid = $2))
 156 GROUP BY fb.fbid, fb.board
 157 ORDER BY fb.fbid        });
 158         my @categories;
 159         while (my $category = $categories->fetchrow_hashref){
 160                 $boards->execute($category->{id},$ND::UID) or $ERROR .= p($DBH->errstr);
 161                 my @boards;
 162                 my $i = 0;
 163                 while (my $board = $boards->fetchrow_hashref){
 164                         $i++;
 165                         $board->{Odd} = $i % 2;
 166                         push @boards,$board;
 167                 }
 168                 $category->{Boards} = \@boards;
 169                 delete $category->{id};
 170                 push @categories,$category if $i > 0;
 171         }
 172         $BODY->param(Categories => \@categories);
 173
 174 }
 175
 176 1;
 177