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;
  23 use ND::Web::Forum;
  24 use CGI qw/:standard/;
  25 use ND::Web::Include;
  26
  27 $ND::PAGES{forum} = {parse => \&parse, process => \&process, render=> \&render};
  28
  29 sub parse {
  30         my ($uri) = @_;
  31         if ($uri =~ m{^/.*/allUnread}){
  32                 param('allUnread',1);
  33         }
  34 }
  35
  36 sub process {
  37
  38 }
  39
  40 sub render {
  41         my ($DBH,$BODY) = @_;
  42
  43         $ND::TEMPLATE->param(TITLE => 'Forum');
  44
  45         $DBH->do(q{UPDATE users SET last_forum_visit = NOW() WHERE uid = $1},undef,$ND::UID) or $ND::ERROR .= p($DBH->errstr);
  46
  47         my $board;
  48         if(param('b')){
  49                 my $boards = $DBH->prepare(q{SELECT fb.fbid AS id,fb.board, bool_or(fa.post) AS post
  50                         FROM forum_boards fb NATURAL JOIN forum_access fa
  51                         WHERE fb.fbid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
  52                         WHERE uid = $2))
  53                         GROUP BY fb.fbid,fb.board});
  54                 $board = $DBH->selectrow_hashref($boards,undef,param('b'),$ND::UID) or $ND::ERROR .= p($DBH->errstr);
  55         }
  56         if (param('markAsRead')){
  57                 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
  58                 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
  59                 WHERE ((ft.fbid IS NULL AND $1 IS NULL) OR ft.fbid = $1) AND fp.time <= $3
  60                 GROUP BY ft.ftid, ft.subject
  61                 HAVING count(NULLIF(COALESCE(fp.time > ftv.time,TRUE),FALSE)) >= 1
  62                 });
  63
  64                 $threads->bind_param('$1',$board->{id},{TYPE => DBI::SQL_INTEGER }) or $ND::ERROR .= p($DBH->errstr);
  65                 $threads->bind_param('$2',$ND::UID,{TYPE => DBI::SQL_INTEGER }) or $ND::ERROR .= p($DBH->errstr);
  66                 $threads->bind_param('$3',param('markAsRead')) or $ND::ERROR .= p($DBH->errstr);
  67                 $threads->execute or $ND::ERROR .= p($DBH->errstr);
  68                 while (my $thread = $threads->fetchrow_hashref){
  69                         markThreadAsRead $thread->{id};
  70                 }
  71         }
  72
  73         my $thread;
  74         my $findThread = $DBH->prepare(q{SELECT ft.ftid AS id,ft.subject, bool_or(fa.post) AS post
  75                 FROM forum_boards fb NATURAL JOIN forum_access fa NATURAL JOIN forum_threads ft
  76                 WHERE ft.ftid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
  77                 WHERE uid = $2))
  78                 GROUP BY ft.ftid,ft.subject});
  79         if(param('t')){
  80                 $thread = $DBH->selectrow_hashref($findThread,undef,param('t'),$ND::UID) or $ND::ERROR .= p($DBH->errstr);
  81         }
  82
  83         if (defined param('cmd') && param('cmd') eq 'Submit'){
  84                 $DBH->begin_work;
  85                 if ($board && $board->{post}){
  86                         $thread = addForumThread $DBH,$board,$ND::UID,param('subject');
  87                 }
  88                 if ($thread && $thread->{post}){
  89                         addForumPost($DBH,$thread,$ND::UID,param('message'));
  90                 }
  91                 $DBH->commit or $ND::ERROR .= p($DBH->errstr);
  92         }
  93
  94         my $categories = $DBH->prepare(q{SELECT fcid AS id,category FROM forum_categories ORDER BY fcid});
  95         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, date_trunc('seconds',max(fp.time)::timestamp) as last_post
  96                 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
  97                 WHERE ft.fbid = $1
  98                 GROUP BY ft.ftid, ft.subject
  99                 HAVING count(NULLIF(COALESCE(fp.time > ftv.time,TRUE),FALSE)) >= $3
 100                 ORDER BY last_post DESC});
 101
 102         if ($thread){ #Display the thread
 103                 $BODY->param(Thread => viewForumThread $thread);
 104
 105         }elsif(defined param('allUnread')){ #List threads in this board
 106                 $BODY->param(AllUnread => 1);
 107                 $BODY->param(Id => $board->{id});
 108                 my ($time) = $DBH->selectrow_array('SELECT now()::timestamp',undef);
 109                 $BODY->param(Date => $time);
 110                 $categories->execute or $ND::ERROR .= p($DBH->errstr);
 111                 my @categories;
 112                 my $boards = $DBH->prepare(q{SELECT fb.fbid AS id,fb.board, bool_or(fa.post) AS post
 113                         FROM forum_boards fb NATURAL JOIN forum_access fa
 114                         WHERE fb.fcid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
 115                         WHERE uid = $2))
 116                         GROUP BY fb.fbid,fb.board
 117                         ORDER BY fb.fbid
 118                         });
 119                 while (my $category = $categories->fetchrow_hashref){
 120                         $boards->execute($category->{id},$ND::UID) or $ND::ERROR .= p($DBH->errstr);
 121                         my @boards;
 122                         while (my $board = $boards->fetchrow_hashref){
 123                                 $threads->execute($board->{id},$ND::UID,1) or $ND::ERROR .= p($DBH->errstr);
 124                                 my $i = 0;
 125                                 my @threads;
 126                                 while (my $thread = $threads->fetchrow_hashref){
 127                                         $i++;
 128                                         $thread->{Odd} = $i % 2;
 129                                         push @threads,$thread;
 130                                 }
 131                                 $board->{Threads} = \@threads;
 132                                 delete $board->{post};
 133                                 push @boards,$board if $i > 0;
 134                         }
 135                         $category->{Boards} = \@boards;
 136                         delete $category->{id};
 137                         push @categories,$category if @boards;
 138                 }
 139                 $BODY->param(Categories => \@categories);
 140
 141         }elsif($board){ #List threads in this board
 142                 $BODY->param(Board => $board->{board});
 143                 $BODY->param(Post => $board->{post});
 144                 $BODY->param(Id => $board->{id});
 145                 my ($time) = $DBH->selectrow_array('SELECT now()::timestamp',undef);
 146                 $BODY->param(Date => $time);
 147                 $threads->execute($board->{id},$ND::UID,0) or $ND::ERROR .= p($DBH->errstr);
 148                 my $i = 0;
 149                 my @threads;
 150                 while (my $thread = $threads->fetchrow_hashref){
 151                         $i++;
 152                         $thread->{Odd} = $i % 2;
 153                         push @threads,$thread;
 154                 }
 155                 $BODY->param(Threads => \@threads);
 156
 157         }else{ #List boards
 158                 $BODY->param(Overview => 1);
 159                 $categories->execute or $ND::ERROR .= p($DBH->errstr);
 160                 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
 161                         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
 162                         WHERE fb.fcid = $1 AND
 163                         fb.fbid IN (SELECT fbid FROM forum_access WHERE gid IN (SELECT groups($2)))
 164                         GROUP BY fb.fbid, fb.board
 165                         ORDER BY fb.fbid        });
 166                 my @categories;
 167                 while (my $category = $categories->fetchrow_hashref){
 168                         $boards->execute($category->{id},$ND::UID) or $ND::ERROR .= p($DBH->errstr);
 169                         my @boards;
 170                         my $i = 0;
 171                         while (my $board = $boards->fetchrow_hashref){
 172                                 $i++;
 173                                 $board->{Odd} = $i % 2;
 174                                 push @boards,$board;
 175                         }
 176                         $category->{Boards} = \@boards;
 177                         delete $category->{id};
 178                         push @categories,$category if $i > 0;
 179                 }
 180                 $BODY->param(Categories => \@categories);
 181
 182         }
 183         return $BODY;
 184 }
 185
 186 1;
 187