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         if (param('markAsRead')){
  56                 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
  57                 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
  58                 WHERE ((ft.fbid IS NULL AND $1 IS NULL) OR ft.fbid = $1) AND fp.time <= $3
  59                 GROUP BY ft.ftid, ft.subject
  60                 HAVING count(NULLIF(COALESCE(fp.time > ftv.time,TRUE),FALSE)) >= 1
  61                 });
  62
  63                 $threads->bind_param('$1',$board->{id},{TYPE => DBI::SQL_INTEGER }) or $ND::ERROR .= p($DBH->errstr);
  64                 $threads->bind_param('$2',$ND::UID,{TYPE => DBI::SQL_INTEGER }) or $ND::ERROR .= p($DBH->errstr);
  65                 $threads->bind_param('$3',param('markAsRead')) or $ND::ERROR .= p($DBH->errstr);
  66                 $threads->execute or $ND::ERROR .= p($DBH->errstr);
  67                 while (my $thread = $threads->fetchrow_hashref){
  68                         markThreadAsRead $thread->{id};
  69                 }
  70         }
  71
  72         my $thread;
  73         my $findThread = $DBH->prepare(q{SELECT ft.ftid AS id,ft.subject, bool_or(fa.post) AS post
  74                 FROM forum_boards fb NATURAL JOIN forum_access fa NATURAL JOIN forum_threads ft
  75                 WHERE ft.ftid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
  76                 WHERE uid = $2))
  77                 GROUP BY ft.ftid,ft.subject});
  78         if(param('t')){
  79                 $thread = $DBH->selectrow_hashref($findThread,undef,param('t'),$ND::UID) or $ND::ERROR .= p($DBH->errstr);
  80         }
  81
  82         if (defined param('cmd') && param('cmd') eq 'forumpost'){
  83                 $DBH->begin_work;
  84                 if ($board && $board->{post}){
  85                         $thread = addForumThread $DBH,$board,$ND::UID,param('subject');
  86                 }
  87                 if ($thread && $thread->{post}){
  88                         addForumPost($DBH,$thread,$ND::UID,param('message'));
  89                 }
  90                 $DBH->commit or $ND::ERROR .= p($DBH->errstr);
  91         }
  92
  93         my $categories = $DBH->prepare(q{SELECT fcid AS id,category FROM forum_categories ORDER BY fcid});
  94         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
  95                 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
  96                 WHERE ft.fbid = $1
  97                 GROUP BY ft.ftid, ft.subject
  98                 HAVING count(NULLIF(COALESCE(fp.time > ftv.time,TRUE),FALSE)) >= $3
  99                 ORDER BY last_post DESC});
 100
 101         if ($thread){ #Display the thread
 102                 $BODY->param(Thread => viewForumThread $thread);
 103
 104         }elsif(defined param('allUnread')){ #List threads in this board
 105                 $BODY->param(AllUnread => 1);
 106                 $BODY->param(Id => $board->{id});
 107                 my ($time) = $DBH->selectrow_array('SELECT now()::timestamp',undef);
 108                 $BODY->param(Date => $time);
 109                 $categories->execute or $ND::ERROR .= p($DBH->errstr);
 110                 my @categories;
 111                 my $boards = $DBH->prepare(q{SELECT fb.fbid AS id,fb.board, bool_or(fa.post) AS post
 112                         FROM forum_boards fb NATURAL JOIN forum_access fa
 113                         WHERE fb.fcid = $1 AND (gid = -1 OR gid IN (SELECT gid FROM groupmembers
 114                         WHERE uid = $2))
 115                         GROUP BY fb.fbid,fb.board
 116                         ORDER BY fb.fbid
 117                         });
 118                 while (my $category = $categories->fetchrow_hashref){
 119                         $boards->execute($category->{id},$ND::UID) or $ND::ERROR .= p($DBH->errstr);
 120                         my @boards;
 121                         while (my $board = $boards->fetchrow_hashref){
 122                                 $threads->execute($board->{id},$ND::UID,1) or $ND::ERROR .= p($DBH->errstr);
 123                                 my $i = 0;
 124                                 my @threads;
 125                                 while (my $thread = $threads->fetchrow_hashref){
 126                                         $i++;
 127                                         $thread->{Odd} = $i % 2;
 128                                         push @threads,$thread;
 129                                 }
 130                                 $board->{Threads} = \@threads;
 131                                 delete $board->{post};
 132                                 push @boards,$board if $i > 0;
 133                         }
 134                         $category->{Boards} = \@boards;
 135                         delete $category->{id};
 136                         push @categories,$category if @boards;
 137                 }
 138                 $BODY->param(Categories => \@categories);
 139
 140         }elsif($board){ #List threads in this board
 141                 $BODY->param(Board => $board->{board});
 142                 $BODY->param(Post => $board->{post});
 143                 $BODY->param(Id => $board->{id});
 144                 my ($time) = $DBH->selectrow_array('SELECT now()::timestamp',undef);
 145                 $BODY->param(Date => $time);
 146                 $threads->execute($board->{id},$ND::UID,0) or $ND::ERROR .= p($DBH->errstr);
 147                 my $i = 0;
 148                 my @threads;
 149                 while (my $thread = $threads->fetchrow_hashref){
 150                         $i++;
 151                         $thread->{Odd} = $i % 2;
 152                         push @threads,$thread;
 153                 }
 154                 $BODY->param(Threads => \@threads);
 155
 156         }else{ #List boards
 157                 $BODY->param(Overview => 1);
 158                 $categories->execute or $ND::ERROR .= p($DBH->errstr);
 159                 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
 160                         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
 161                         WHERE fb.fcid = $1 AND
 162                         fb.fbid IN (SELECT fbid FROM forum_access WHERE gid IN (SELECT groups($2)))
 163                         GROUP BY fb.fbid, fb.board
 164                         ORDER BY fb.fbid        });
 165                 my @categories;
 166                 while (my $category = $categories->fetchrow_hashref){
 167                         $boards->execute($category->{id},$ND::UID) or $ND::ERROR .= p($DBH->errstr);
 168                         my @boards;
 169                         my $i = 0;
 170                         while (my $board = $boards->fetchrow_hashref){
 171                                 $i++;
 172                                 $board->{Odd} = $i % 2;
 173                                 push @boards,$board;
 174                         }
 175                         $category->{Boards} = \@boards;
 176                         delete $category->{id};
 177                         push @categories,$category if $i > 0;
 178                 }
 179                 $BODY->param(Categories => \@categories);
 180
 181         }
 182         return $BODY;
 183 }
 184
 185 1;
 186