📄 comment_delete.php
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<?php
// $Id: comment_delete.php 2 2005-11-02 18:23:29Z skalpa $
// ------------------------------------------------------------------------ //
// XOOPS - PHP Content Management System //
// Copyright (c) 2000 XOOPS.org //
// <http://www.xoops.org/> //
// ------------------------------------------------------------------------ //
// 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 2 of the License, or //
// (at your option) any later version. //
// //
// You may not change or alter any portion of this comment or credits //
// of supporting developers from this source code or any supporting //
// source code which is considered copyrighted (c) material of the //
// original comment or credit authors. //
// //
// 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. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program; if not, write to the Free Software //
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA //
// ------------------------------------------------------------------------ //
// Author: Kazumi Ono (AKA onokazu) //
// URL: http://www.xoops.org/ http://jp.xoops.org/ http://www.myweb.ne.jp/ //
// Project: The XOOPS Project (http://www.xoops.org/) //
// ------------------------------------------------------------------------- //
if (!defined('XOOPS_ROOT_PATH') || !is_object($xoopsModule)) {
exit();
}
include_once XOOPS_ROOT_PATH.'/include/comment_constants.php';
$op = 'delete';
if (!empty($_POST)) {
extract($_POST);
$com_mode = isset($com_mode) ? htmlspecialchars(trim($com_mode), ENT_QUOTES) : 'flat';
$com_order = isset($com_order) ? intval($com_order) : XOOPS_COMMENT_OLD1ST;
$com_id = isset($com_id) ? intval($com_id) : 0;
} else {
$com_mode = isset($_GET['com_mode']) ? htmlspecialchars(trim($_GET['com_mode']), ENT_QUOTES) : 'flat';
$com_order = isset($_GET['com_order']) ? intval($_GET['com_order']) : XOOPS_COMMENT_OLD1ST;
$com_id = isset($_GET['com_id']) ? intval($_GET['com_id']) : 0;
}
if ('system' == $xoopsModule->getVar('dirname')) {
$comment_handler =& xoops_gethandler('comment');
$comment =& $comment_handler->get($com_id);
$module_handler =& xoops_gethandler('module');
$module =& $module_handler->get($comment->getVar('com_modid'));
$comment_config = $module->getInfo('comments');
$com_modid = $module->getVar('mid');
$redirect_page = XOOPS_URL.'/modules/system/admin.php?fct=comments&com_modid='.$com_modid.'&com_itemid';
$moddir = $module->getVar('dirname');
unset($comment);
} else {
if (XOOPS_COMMENT_APPROVENONE == $xoopsModuleConfig['com_rule']) {
exit();
}
$comment_config = $xoopsModule->getInfo('comments');
$com_modid = $xoopsModule->getVar('mid');
$redirect_page = $comment_config['pageName'].'?';
$comment_confirm_extra = array();
if (isset($comment_config['extraParams']) && is_array($comment_config['extraParams'])) {
foreach ($comment_config['extraParams'] as $extra_param) {
if (isset(${$extra_param})) {
$redirect_page .= $extra_param.'='.${$extra_param}.'&';
// for the confirmation page
$comment_confirm_extra [$extra_param] = ${$extra_param};
} elseif (isset($_GET[$extra_param])) {
$redirect_page .= $extra_param.'='.$_GET[$extra_param].'&';
// for the confirmation page
$comment_confirm_extra [$extra_param] = $_GET[$extra_param];
}
}
}
$redirect_page .= $comment_config['itemName'];
$moddir = $xoopsModule->getVar('dirname');
}
$accesserror = false;
if (!is_object($xoopsUser)) {
$accesserror = true;
} else {
if (!$xoopsUser->isAdmin($com_modid)) {
$sysperm_handler =& xoops_gethandler('groupperm');
if (!$sysperm_handler->checkRight('system_admin', XOOPS_SYSTEM_COMMENT, $xoopsUser->getGroups())) {
$accesserror = true;
}
}
}
if (false != $accesserror) {
$ref = xoops_getenv('HTTP_REFERER');
if ($ref != '') {
redirect_header($ref, 2, _NOPERM);
} else {
redirect_header($redirect_page.'?'.$comment_config['itemName'].'='.intval($com_itemid), 2, _NOPERM);
}
exit();
}
include_once XOOPS_ROOT_PATH.'/language/'.$xoopsConfig['language'].'/comment.php';
switch ($op) {
case 'delete_one':
$comment_handler = xoops_gethandler('comment');
$comment =& $comment_handler->get($com_id);
if (!$comment_handler->delete($comment)) {
include XOOPS_ROOT_PATH.'/header.php';
xoops_error(_CM_COMDELETENG.' (ID: '.$comment->getVar('com_id').')');
include XOOPS_ROOT_PATH.'/footer.php';
exit();
}
$com_itemid = $comment->getVar('com_itemid');
// execute updateStat callback function if set
if (isset($comment_config['callback']['update']) && trim($comment_config['callback']['update']) != '') {
$skip = false;
if (!function_exists($comment_config['callback']['update'])) {
if (isset($comment_config['callbackFile'])) {
$callbackfile = trim($comment_config['callbackFile']);
if ($callbackfile != '' && file_exists(XOOPS_ROOT_PATH.'/modules/'.$moddir.'/'.$callbackfile)) {
include_once XOOPS_ROOT_PATH.'/modules/'.$moddir.'/'.$callbackfile;
}
if (!function_exists($comment_config['callback']['update'])) {
$skip = true;
}
} else {
$skip = true;
}
}
if (!$skip) {
$criteria = new CriteriaCompo(new Criteria('com_modid', $com_modid));
$criteria->add(new Criteria('com_itemid', $com_itemid));
$criteria->add(new Criteria('com_status', XOOPS_COMMENT_ACTIVE));
$comment_count = $comment_handler->getCount($criteria);
$comment_config['callback']['update']($com_itemid, $comment_count);
}
}
// update user posts if its not an anonymous post
if ($comment->getVar('com_uid') != 0) {
$member_handler =& xoops_gethandler('member');
$com_poster =& $member_handler->getUser($comment->getVar('com_uid'));
if (is_object($com_poster)) {
$member_handler->updateUserByField($com_poster, 'posts', $com_poster->getVar('posts') - 1);
}
}
// get all comments posted later within the same thread
$thread_comments =& $comment_handler->getThread($comment->getVar('com_rootid'), $com_id);
include_once XOOPS_ROOT_PATH.'/class/tree.php';
$xot = new XoopsObjectTree($thread_comments, 'com_id', 'com_pid', 'com_rootid');
$child_comments =& $xot->getFirstChild($com_id);
// now set new parent ID for direct child comments
$new_pid = $comment->getVar('com_pid');
$errs = array();
foreach (array_keys($child_comments) as $i) {
$child_comments[$i]->setVar('com_pid', $new_pid);
// if the deleted comment is a root comment, need to change root id to own id
if (false != $comment->isRoot()) {
$new_rootid = $child_comments[$i]->getVar('com_id');
$child_comments[$i]->setVar('com_rootid', $child_comments[$i]->getVar('com_id'));
if (!$comment_handler->insert($child_comments[$i])) {
$errs[] = 'Could not change comment parent ID from <b>'.$com_id.'</b> to <b>'.$new_pid.'</b>. (ID: '.$new_rootid.')';
} else {
// need to change root id for all its child comments as well
$c_child_comments =& $xot->getAllChild($new_rootid);
$cc_count = count($c_child_comments);
foreach (array_keys($c_child_comments) as $j) {
$c_child_comments[$j]->setVar('com_rootid', $new_rootid);
if (!$comment_handler->insert($c_child_comments[$j])) {
$errs[] = 'Could not change comment root ID from <b>'.$com_id.'</b> to <b>'.$new_rootid.'</b>.';
}
}
}
} else {
if (!$comment_handler->insert($child_comments[$i])) {
$errs[] = 'Could not change comment parent ID from <b>'.$com_id.'</b> to <b>'.$new_pid.'</b>.';
}
}
}
if (count($errs) > 0) {
include XOOPS_ROOT_PATH.'/header.php';
xoops_error($errs);
include XOOPS_ROOT_PATH.'/footer.php';
exit();
}
redirect_header($redirect_page.'='.$com_itemid.'&com_order='.$com_order.'&com_mode='.$com_mode, 1, _CM_COMDELETED);
break;
case 'delete_all':
$comment_handler = xoops_gethandler('comment');
$comment =& $comment_handler->get($com_id);
$com_rootid = $comment->getVar('com_rootid');
// get all comments posted later within the same thread
$thread_comments =& $comment_handler->getThread($com_rootid, $com_id);
// construct a comment tree
include_once XOOPS_ROOT_PATH.'/class/tree.php';
$xot = new XoopsObjectTree($thread_comments, 'com_id', 'com_pid', 'com_rootid');
$child_comments =& $xot->getAllChild($com_id);
// add itself here
$child_comments[$com_id] =& $comment;
$msgs = array();
$deleted_num = array();
$member_handler =& xoops_gethandler('member');
foreach (array_keys($child_comments) as $i) {
if (!$comment_handler->delete($child_comments[$i])) {
$msgs[] = _CM_COMDELETENG.' (ID: '.$child_comments[$i]->getVar('com_id').')';
} else {
$msgs[] = _CM_COMDELETED.' (ID: '.$child_comments[$i]->getVar('com_id').')';
// store poster ID and deleted post number into array for later use
$poster_id = $child_comments[$i]->getVar('com_uid');
if ($poster_id > 0) {
$deleted_num[$poster_id] = !isset($deleted_num[$poster_id]) ? 1 : ($deleted_num[$poster_id] + 1);
}
}
}
foreach ($deleted_num as $user_id => $post_num) {
// update user posts
$com_poster = $member_handler->getUser($user_id);
if (is_object($com_poster)) {
$member_handler->updateUserByField($com_poster, 'posts', $com_poster->getVar('posts') - $post_num);
}
}
$com_itemid = $comment->getVar('com_itemid');
// execute updateStat callback function if set
if (isset($comment_config['callback']['update']) && trim($comment_config['callback']['update']) != '') {
$skip = false;
if (!function_exists($comment_config['callback']['update'])) {
if (isset($comment_config['callbackFile'])) {
$callbackfile = trim($comment_config['callbackFile']);
if ($callbackfile != '' && file_exists(XOOPS_ROOT_PATH.'/modules/'.$moddir.'/'.$callbackfile)) {
include_once XOOPS_ROOT_PATH.'/modules/'.$moddir.'/'.$callbackfile;
}
if (!function_exists($comment_config['callback']['update'])) {
$skip = true;
}
} else {
$skip = true;
}
}
if (!$skip) {
$criteria = new CriteriaCompo(new Criteria('com_modid', $com_modid));
$criteria->add(new Criteria('com_itemid', $com_itemid));
$criteria->add(new Criteria('com_status', XOOPS_COMMENT_ACTIVE));
$comment_count = $comment_handler->getCount($criteria);
$comment_config['callback']['update']($com_itemid, $comment_count);
}
}
include XOOPS_ROOT_PATH.'/header.php';
xoops_result($msgs);
echo '<br /><a href="'.$redirect_page.'='.$com_itemid.'&com_order='.$com_order.'&com_mode='.$com_mode.'">'._BACK.'</a>';
include XOOPS_ROOT_PATH.'/footer.php';
break;
case 'delete':
default:
include XOOPS_ROOT_PATH.'/header.php';
$comment_confirm = array('com_id' => $com_id, 'com_mode' => $com_mode, 'com_order' => $com_order, 'op' => array(_CM_DELETEONE => 'delete_one', _CM_DELETEALL => 'delete_all'));
if (!empty($comment_confirm_extra) && is_array($comment_confirm_extra)) {
$comment_confirm = $comment_confirm + $comment_confirm_extra;
}
xoops_confirm($comment_confirm, 'comment_delete.php', _CM_DELETESELECT);
include XOOPS_ROOT_PATH.'/footer.php';
break;
}
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