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, bool_or(fa.moderate) AS moderate
  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, bool_or(fa.moderate) AS moderate
  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')){
  84                 if(param('cmd') eq 'Submit'){
  85                         $DBH->begin_work;
  86                         if ($board && $board->{post}){
  87                                 $thread = addForumThread $DBH,$board,$ND::UID,param('subject');
  88                         }
  89                         if ($thread && $thread->{post}){
  90                                 addForumPost($DBH,$thread,$ND::UID,param('message'));
  91                         }
  92                         $DBH->commit or $ND::ERROR .= p($DBH->errstr);
  93                 }
  94                 if(param('cmd') eq 'Move' && $board->{moderate}){
  95                         $DBH->begin_work;
  96                         my $moveThread = $DBH->prepare(q{UPDATE forum_threads SET fbid = $1 WHERE ftid = $2 AND fbid = $3});
  97                         for my $param (param()){
  98                                 if ($param =~ /t:(\d+)/){
  99                                         $moveThread->execute(param('board'),$1,$board->{id}) or $ND::ERROR .= p($DBH->errstr)
 100                                 }
 101                         }
 102                         $DBH->commit or $ND::ERROR .= p($DBH->errstr);
 103                 }
 104         }
 105
 106         my $categories = $DBH->prepare(q{SELECT fcid AS id,category FROM forum_categories ORDER BY fcid});
 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         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
 115                 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
 116                 WHERE ft.fbid = $1
 117                 GROUP BY ft.ftid, ft.subject
 118                 HAVING count(NULLIF(COALESCE(fp.time > ftv.time,TRUE),FALSE)) >= $3
 119                 ORDER BY last_post DESC});
 120
 121         if ($thread){ #Display the thread
 122                 $BODY->param(Thread => viewForumThread $thread);
 123
 124         }elsif(defined param('allUnread')){ #List threads in this board
 125                 $BODY->param(AllUnread => 1);
 126                 $BODY->param(Id => $board->{id});
 127                 my ($time) = $DBH->selectrow_array('SELECT now()::timestamp',undef);
 128                 $BODY->param(Date => $time);
 129                 $categories->execute or $ND::ERROR .= p($DBH->errstr);
 130                 my @categories;
 131                 while (my $category = $categories->fetchrow_hashref){
 132                         $boards->execute($category->{id},$ND::UID) or $ND::ERROR .= p($DBH->errstr);
 133                         my @boards;
 134                         while (my $board = $boards->fetchrow_hashref){
 135                                 $threads->execute($board->{id},$ND::UID,1) or $ND::ERROR .= p($DBH->errstr);
 136                                 my $i = 0;
 137                                 my @threads;
 138                                 while (my $thread = $threads->fetchrow_hashref){
 139                                         $i++;
 140                                         $thread->{Odd} = $i % 2;
 141                                         push @threads,$thread;
 142                                 }
 143                                 $board->{Threads} = \@threads;
 144                                 delete $board->{post};
 145                                 push @boards,$board if $i > 0;
 146                         }
 147                         $category->{Boards} = \@boards;
 148                         delete $category->{id};
 149                         push @categories,$category if @boards;
 150                 }
 151                 $BODY->param(Categories => \@categories);
 152
 153         }elsif($board){ #List threads in this board
 154                 $BODY->param(Board => $board->{board});
 155                 $BODY->param(Post => $board->{post});
 156                 $BODY->param(Moderate => $board->{moderate});
 157                 $BODY->param(Id => $board->{id});
 158                 my ($time) = $DBH->selectrow_array('SELECT now()::timestamp',undef);
 159                 $BODY->param(Date => $time);
 160                 $threads->execute($board->{id},$ND::UID,0) or $ND::ERROR .= p($DBH->errstr);
 161                 my $i = 0;
 162                 my @threads;
 163                 while (my $thread = $threads->fetchrow_hashref){
 164                         $i++;
 165                         $thread->{Odd} = $i % 2;
 166                         push @threads,$thread;
 167                 }
 168                 $BODY->param(Threads => \@threads);
 169
 170                 if ($board->{moderate}){
 171                         $categories->execute or $ND::ERROR .= p($DBH->errstr);
 172                         my @categories;
 173                         while (my $category = $categories->fetchrow_hashref){
 174                                 $boards->execute($category->{id},$ND::UID) or $ND::ERROR .= p($DBH->errstr);
 175                                 my @boards;
 176                                 while (my $b = $boards->fetchrow_hashref){
 177                                         next if (not $b->{post} or $b->{id} == $board->{id});
 178                                         delete $b->{post};
 179                                         push @boards,$b;
 180                                 }
 181                                 $category->{Boards} = \@boards;
 182                                 delete $category->{id};
 183                                 push @categories,$category if @boards;
 184                         }
 185                         $BODY->param(Categories => \@categories);
 186                 }
 187
 188         }else{ #List boards
 189                 $BODY->param(Overview => 1);
 190                 $categories->execute or $ND::ERROR .= p($DBH->errstr);
 191                 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,date_trunc('seconds',max(fp.time)::timestamp) as last_post
 192                         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
 193                         WHERE fb.fcid = $1 AND
 194                         fb.fbid IN (SELECT fbid FROM forum_access WHERE gid IN (SELECT groups($2)))
 195                         GROUP BY fb.fbid, fb.board
 196                         ORDER BY fb.fbid        });
 197                 my @categories;
 198                 while (my $category = $categories->fetchrow_hashref){
 199                         $boards->execute($category->{id},$ND::UID) or $ND::ERROR .= p($DBH->errstr);
 200                         my @boards;
 201                         my $i = 0;
 202                         while (my $board = $boards->fetchrow_hashref){
 203                                 $i++;
 204                                 $board->{Odd} = $i % 2;
 205                                 push @boards,$board;
 206                         }
 207                         $category->{Boards} = \@boards;
 208                         delete $category->{id};
 209                         push @categories,$category if $i > 0;
 210                 }
 211                 $BODY->param(Categories => \@categories);
 212
 213         }
 214         return $BODY;
 215 }
 216
 217 1;
 218