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<?php
/*
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2007 Bharat Mediratta
*
* 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.
*
* 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
/**
* Add a comment to an item
* @package Comment
* @subpackage UserInterface
* @author Bharat Mediratta <bharat@menalto.com>
* @version $Revision: 15513 $
*/
class AddCommentController extends GalleryController {
/**
* ValidationPlugin instances to use when handling this request. Only used by test code.
*
* @var array $_plugins (array of GalleryValidationPlugin)
* @access private
*/
var $_pluginInstances;
/**
* @see GalleryController::handleRequest
*/
function handleRequest($form) {
global $gallery;
$itemId = GalleryUtilities::getRequestVariables('itemId');
/* Make sure we have permission to add a comment */
$ret = GalleryCoreApi::assertHasItemPermission($itemId, 'comment.add');
if ($ret) {
return array($ret, null);
}
list($ret, $isAnonymousUser) = GalleryCoreApi::isAnonymousUser($gallery->getActiveUserId());
if ($ret) {
return array($ret, null);
}
$redirect = $status = $error = array();
if (isset($form['action']['add'])) {
GalleryCoreApi::requireOnce(
'modules/comment/classes/GalleryCommentHelper.class');
if (empty($form['subject'])) {
$form['subject'] = '';
}
if (empty($form['author']) || !$isAnonymousUser) {
$form['author'] = '';
}
if (empty($form['comment'])) {
$error[] = 'form[error][comment][missing]';
}
list ($ret, $useValidationPlugins) = GalleryCommentHelper::useValidationPlugins();
if ($ret) {
return array($ret, null);
}
if (empty($error) && $useValidationPlugins) {
if (isset($this->_pluginInstances)) {
$pluginInstances = $this->_pluginInstances;
} else {
list ($ret, $pluginInstances) =
GalleryCoreApi::getAllFactoryImplementationIds('GalleryValidationPlugin');
if ($ret) {
return array($ret, null);
}
foreach (array_keys($pluginInstances) as $pluginId) {
list ($ret, $pluginInstances[$pluginId]) =
GalleryCoreApi::newFactoryInstanceById('GalleryValidationPlugin',
$pluginId);
if ($ret) {
return array($ret, null);
}
}
}
/* Let each plugin do its verification */
foreach ($pluginInstances as $plugin) {
list ($ret, $pluginErrors, $continue) = $plugin->performValidation($form);
if ($ret) {
return array($ret, null);
}
$error = array_merge($error, $pluginErrors);
if (!$continue) {
break;
}
}
}
if (empty($error)) {
/* Add the comment */
list ($ret, $comment) =
GalleryCoreApi::newFactoryInstance('GalleryEntity', 'GalleryComment');
if ($ret) {
return array($ret, null);
}
if (!isset($comment)) {
return array(GalleryCoreApi::error(ERROR_MISSING_OBJECT),
null);
}
$ret = $comment->create($itemId);
if ($ret) {
return array($ret, null);
}
list ($ret, $markup) =
GalleryCoreApi::getPluginParameter('module', 'core', 'misc.markup');
if ($ret) {
return array($ret, null);
}
if ($markup == 'html') {
/* Strip malicious content if html markup allowed */
$form['author'] = GalleryUtilities::htmlSafe($form['author'], true);
$form['subject'] = GalleryUtilities::htmlSafe($form['subject'], true);
$form['comment'] = GalleryUtilities::htmlSafe($form['comment'], true);
}
$comment->setCommenterId($gallery->getActiveUserId());
$comment->setHost(GalleryUtilities::getRemoteHostAddress());
$comment->setSubject($form['subject']);
$comment->setComment($form['comment']);
$comment->setAuthor($form['author']);
$comment->setDate(time());
$ret = $comment->save();
if ($ret) {
return array($ret, null);
}
/* Send the user to a confirmation page, for now */
$redirect['view'] = 'comment.CommentChangeConfirmation';
$redirect['itemId'] = (int)$itemId;
$status['added'] = 1;
}
} else if (isset($form['action']['preview'])) {
if (empty($form['subject'])) {
$form['subject'] = '';
}
if (empty($form['author'])|| !$isAnonymousUser) {
$form['author'] = '';
}
if (empty($form['comment'])) {
$error[] = 'form[error][comment][missing]';
}
/* Fall through back to the current view */
} else if (isset($form['action']['cancel'])) {
/* Where to go on a cancel? Back to viewing the item. */
$redirect['view'] = 'core.ShowItem';
$redirect['itemId'] = (int)$itemId;
}
/* Prepare our results */
if (!empty($redirect)) {
$results['redirect'] = $redirect;
} else {
$results['delegate']['view'] = 'comment.AddComment';
}
$results['status'] = $status;
$results['error'] = $error;
return array(null, $results);
}
}
/**
* This view will show a form to add a new comment to an item
*/
class AddCommentView extends GalleryView {
/**
* @see GalleryView::loadTemplate
*/
function loadTemplate(&$template, &$form) {
GalleryCoreApi::requireOnce('modules/comment/classes/GalleryCommentHelper.class');
/* Load our item */
list ($ret, $item) = $this->getItem();
if ($ret) {
return array($ret, null);
}
list ($ret, $AddComment) = GalleryCommentHelper::getAddComment($item, $form);
if ($ret) {
return array($ret, null);
}
$template->setVariable('AddComment', $AddComment);
$template->setVariable('controller', 'comment.AddComment');
list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'comment');
if ($ret) {
return array($ret, null);
}
$template->title($module->translate('Add Comment'));
return array(null,
array('body' => 'modules/comment/templates/AddComment.tpl'));
}
/**
* @see GalleryView::getViewDescription
*/
function getViewDescription() {
list ($ret, $module) = GalleryCoreApi::loadPlugin('module', 'comment');
if ($ret) {
return array($ret, null);
}
return array(null, $module->translate('add comment'));
}
}
?>
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