Files
tyforum/script/topic_merge.pl
2015-01-03 11:43:36 +01:00

240 lines
8.0 KiB
Perl
Executable File

#!/usr/bin/perl
#------------------------------------------------------------------------------
# mwForum - Web-based discussion forum
# Copyright (c) 1999-2015 Markus Wichitill
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#------------------------------------------------------------------------------
use strict;
use warnings;
no warnings qw(uninitialized redefine);
# Imports
use MwfMain;
#------------------------------------------------------------------------------
# Init
my ($m, $cfg, $lng, $user, $userId) = MwfMain->new($_[0]);
# Get CGI parameters
my $oldTopicId = $m->paramInt('tid');
my $newTopicId1 = $m->paramInt('newTopic1');
my $newTopicId2 = $m->paramInt('newTopic2');
my $notify = $m->paramBool('notify');
my $reason = $m->paramStr('reason');
my $submitted = $m->paramBool('subm');
my $newTopicId = $newTopicId2 || $newTopicId1;
$oldTopicId or $m->error('errParamMiss');
# Get source topic
my ($oldBoardId, $oldLastPostTime, $topicUserId) = $m->fetchArray("
SELECT topics.boardId, topics.lastPostTime, posts.userId
FROM topics AS topics
INNER JOIN posts AS posts
ON posts.id = topics.basePostId
WHERE topics.id = ?",
$oldTopicId);
$oldBoardId or $m->error('errTpcNotFnd');
# Check if user is admin or moderator in source board
$user->{admin} || $m->boardAdmin($userId, $oldBoardId) or $m->error('errNoAccess');
# Destination topic must not be source topic
$newTopicId != $oldTopicId or $m->error("No self-merging.");
# Process form
if ($submitted) {
# Check request source authentication
$m->checkSourceAuth() or $m->formError('errSrcAuth');
# Get destination topic
my ($newBoardId, $newLastPostTime) = $m->fetchArray("
SELECT boardId, lastPostTime FROM topics WHERE id = ?", $newTopicId);
$newBoardId or $m->formError('errTpcNotFnd');
# Check if user is admin or moderator in destination board
$user->{admin} || $m->boardAdmin($userId, $newBoardId) or $m->error('errNoAccess')
if $oldBoardId != $newBoardId;
# If there's no error, finish action
if (!@{$m->{formErrors}}) {
# Get previous topic id for redirection to same page
my $prevTopicId = $m->fetchArray("
SELECT id
FROM topics
WHERE boardId = :oldBoardId
AND lastPostTime > :lastPostTime
ORDER BY lastPostTime
LIMIT 1",
{ oldBoardId => $oldBoardId, lastPostTime => $oldLastPostTime });
# Update posts
$m->dbDo("
UPDATE posts SET topicId = ?, boardId = ? WHERE topicId = ?",
$newTopicId, $newBoardId, $oldTopicId);
# Delete old topic
$m->deleteTopic($oldTopicId);
# Handle read times
if ($m->{mysql}) {
# Special treatment for users who have both topics completely read
$m->dbDo("
UPDATE topicReadTimes AS topicReadTimes
INNER JOIN (
SELECT oldTimes.userId
FROM topicReadTimes AS oldTimes
INNER JOIN topicReadTimes AS newTimes
ON newTimes.userId = oldTimes.userId
WHERE oldTimes.topicId = :oldTopicId
AND oldTimes.lastReadTime >= :oldLastPostTime
AND newTimes.topicId = :newTopicId
AND newTimes.lastReadTime >= :newLastPostTime
) AS updates
SET lastReadTime = :now
WHERE topicReadTimes.userId = updates.userId
AND (topicId = :oldTopicId OR topicId = :newTopicId)",
{ now => $m->{now}, oldTopicId => $oldTopicId, newTopicId => $newTopicId,
oldLastPostTime => $oldLastPostTime, newLastPostTime => $newLastPostTime });
# Set read times to older of the two
$m->dbDo("
UPDATE topicReadTimes AS o
LEFT JOIN topicReadTimes AS i
ON i.userId = o.userId
AND i.topicId = :oldTopicId
SET o.lastReadTime = LEAST(o.lastReadTime, COALESCE(i.lastReadTime, 0))
WHERE o.topicId = :newTopicId",
{ oldTopicId => $oldTopicId, newTopicId => $newTopicId });
}
else {
# Special treatment for users who have both topics completely read
$m->dbDo("
UPDATE topicReadTimes SET lastReadTime = :now
FROM (
SELECT oldTimes.userId
FROM topicReadTimes AS oldTimes
INNER JOIN topicReadTimes AS newTimes
ON newTimes.userId = oldTimes.userId
WHERE oldTimes.topicId = :oldTopicId
AND oldTimes.lastReadTime >= :oldLastPostTime
AND newTimes.topicId = :newTopicId
AND newTimes.lastReadTime >= :newLastPostTime
) AS updates
WHERE topicReadTimes.userId = updates.userId
AND (topicId = :oldTopicId OR topicId = :newTopicId)",
{ now => $m->{now}, oldTopicId => $oldTopicId, newTopicId => $newTopicId,
oldLastPostTime => $oldLastPostTime, newLastPostTime => $newLastPostTime })
if $m->{pgsql};
# Set read times to older of the two
my $least = $m->{sqlite} ? 'MIN' : 'LEAST';
$m->dbDo("
UPDATE topicReadTimes SET
lastReadTime = $least(lastReadTime, COALESCE((
SELECT lastReadTime
FROM topicReadTimes AS i
WHERE i.userId = topicReadTimes.userId
AND i.topicId = :oldTopicId
), 0))
WHERE topicId = :newTopicId",
{ oldTopicId => $oldTopicId, newTopicId => $newTopicId });
}
# Update statistics
$m->recalcStats(undef, $newTopicId);
$m->recalcStats([ $oldBoardId, $newBoardId ]) if $oldBoardId != $newBoardId;
# Add notification message
if ($notify && $topicUserId && $topicUserId != $userId) {
my $url = "topic_show$m->{ext}?tid=$newTopicId";
$m->addNote('tpcMrg', $topicUserId, 'notTpcMrg', tpcUrl => $url, reason => $reason);
}
# Log action and finish
$m->logAction(1, 'topic', 'merge', $userId, $oldBoardId, $oldTopicId, 0, $newTopicId);
$m->redirect('board_show', $prevTopicId ? (tid => $prevTopicId, tgt => "tid$prevTopicId")
: (bid => $oldBoardId), msg => 'TpcMerge');
}
}
# Print forms
if (!$submitted || @{$m->{formErrors}}) {
# Print header
$m->printHeader();
# Get subject
my $subject = $m->fetchArray("
SELECT subject FROM topics WHERE id = ?", $oldTopicId);
$subject or $m->error('errTpcNotFnd');
# Print page bar
my @navLinks = ({ url => $m->url('topic_show', tid => $oldTopicId),
txt => 'comUp', ico => 'up' });
$m->printPageBar(mainTitle => $lng->{mgtTitle}, subTitle => $subject, navLinks => \@navLinks);
# Print hints and form errors
$m->printFormErrors();
# Get other topics
my $topics = $m->fetchAllHash("
SELECT id, subject
FROM topics
WHERE boardId = :oldBoardId
AND id <> :oldTopicId
ORDER BY lastPostTime DESC
LIMIT 200",
{ oldBoardId => $oldBoardId, oldTopicId => $oldTopicId });
# Print destination topic form
print
"<form action='topic_merge$m->{ext}' method='post'>\n",
"<div class='frm'>\n",
"<div class='hcl'><span class='htt'>$lng->{mgtMrgTtl}</span></div>\n",
"<div class='ccl'>\n",
"<fieldset>\n",
"<label class='lbw'>$lng->{mgtMrgDest}\n",
"<select name='newTopic1' size='10' autofocus>\n",
map("<option value='$_->{id}'>$_->{subject}</option>\n", @$topics),
"</select></label>\n",
"<label class='lbw'>$lng->{mgtMrgDest2}\n",
"<input type='text' class='qwi' name='newTopic2' maxlength='8'></label>\n",
"</fieldset>\n";
# Print notification section
my $noteChk = $cfg->{noteDefMod} ? 'checked' : "";
print
"<fieldset>\n",
"<div><label><input type='checkbox' name='notify' $noteChk>$lng->{notNotify}</label></div>\n",
"<datalist id='reasons'>\n",
map("<option value='$_'>\n", @{$cfg->{modReasons}}),
"</datalist>\n",
"<input type='text' class='fwi' name='reason' list='reasons'>\n",
"</fieldset>\n"
if $topicUserId > 0 && $topicUserId != $userId;
# Print submit section
print
$m->submitButton('mgtMrgB', 'merge'),
"<input type='hidden' name='tid' value='$oldTopicId'>\n",
$m->stdFormFields(),
"</div>\n",
"</div>\n",
"</form>\n\n";
# Log action and finish
$m->logAction(3, 'topic', 'merge', $userId, 0, $oldTopicId);
$m->printFooter();
}
$m->finish();