/home/edulekha/studygroup.edulekha.com/ow_plugins/forum/controllers/edit_post.php
<?php
/**
* This software is intended for use with Oxwall Free Community Software http://www.oxwall.org/ and is
* licensed under The BSD license.
* ---
* Copyright (c) 2011, Oxwall Foundation
* All rights reserved.
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this list of conditions and
* the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
* the following disclaimer in the documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Oxwall Foundation nor the names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Forum edit post action controller
*
* @author Egor Bulgakov <egor.bulgakov@gmail.com>
* @package ow.ow_plugins.forum.controllers
* @since 1.0
*/
class FORUM_CTRL_EditPost extends OW_ActionController
{
public function index( array $params = null )
{
$forumService = FORUM_BOL_ForumService::getInstance();
if ( !isset($params['id']) || !($postId = (int) $params['id']) )
{
throw new Redirect404Exception();
}
$postDto = $forumService->findPostById($postId);
if ( !$postDto )
{
throw new Redirect404Exception();
}
$userId = OW::getUser()->getId();
$topicId = $postDto->topicId;
$topicDto = $forumService->findTopicById($topicId);
$forumGroup = $forumService->getGroupInfo($topicDto->groupId);
$forumSection = $forumService->findSectionById($forumGroup->sectionId);
$isHidden = $forumSection->isHidden;
if ( $isHidden )
{
$isModerator = OW::getUser()->isAuthorized($forumSection->entity);
$eventParams = array('entity' => $forumSection->entity, 'entityId' => $forumGroup->entityId, 'action' => 'add_topic');
$event = new OW_Event('forum.check_permissions', $eventParams);
OW::getEventManager()->trigger($event);
$canPost = $event->getData();
//check permissions
$canEdit = OW::getUser()->isAuthorized($forumSection->entity, 'add_topic') && $userId == $postDto->userId;
if ( !$isModerator )
{
if ( !$canPost )
{
throw new AuthorizationException();
}
else if ( !$canEdit )
{
$status = BOL_AuthorizationService::getInstance()->getActionStatus(
$forumSection->entity, 'add_topic'
);
throw new AuthorizationException($status['msg']);
}
}
}
else
{
$isModerator = OW::getUser()->isAuthorized('forum');
$canEdit = $postDto->userId == OW::getUser()->getId();
if ( !$canEdit && !$isModerator )
{
throw new AuthorizationException();
}
}
$this->assign('postId', $postId);
$uid = uniqid();
$editPostForm = $this->generateEditPostForm($postDto, $uid);
$this->addForm($editPostForm);
$lang = OW::getLanguage();
$router = OW::getRouter();
$enableAttachments = OW::getConfig()->getValue('forum', 'enable_attachments');
$this->assign('enableAttachments', $enableAttachments);
if ( $enableAttachments )
{
$attachments = FORUM_BOL_PostAttachmentService::getInstance()->findAttachmentsByPostIdList(array($postId));
$this->assign('attachments', $attachments);
$attachmentCmp = new BASE_CLASS_FileAttachment('forum', $uid);
$this->addComponent('attachmentsCmp', $attachmentCmp);
}
if ( OW::getRequest()->isPost() && $editPostForm->isValid($_POST) )
{
$values = $editPostForm->getValues();
// update the post
$forumService->editPost($userId, $values, $postDto);
$this->redirect($forumService->getPostUrl($topicId, $postId, true));
}
$topicInfo = $forumService->getTopicInfo($topicId);
$groupUrl = $router->urlForRoute('group-default', array('groupId' => $topicDto->groupId));
$topicUrl = $forumService->getPostUrl($topicId, $postId);
$lang->addKeyForJs('forum', 'confirm_delete_attachment');
OW::getDocument()->setHeading(OW::getLanguage()->text('forum', 'edit_post_title'));
OW::getDocument()->setHeadingIconClass('ow_ic_edit');
$this->assign('isHidden', $isHidden);
if ( $isHidden )
{
$event = new OW_Event('forum.find_forum_caption', array('entity' => $forumSection->entity, 'entityId' => $forumGroup->entityId));
OW::getEventManager()->trigger($event);
$eventData = $event->getData();
/** @var OW_Component $componentForumCaption */
$componentForumCaption = $eventData['component'];
if (!empty($componentForumCaption))
{
$this->assign('componentForumCaption', $componentForumCaption->render());
}
else
{
$componentForumCaption = false;
$this->assign('componentForumCaption', $componentForumCaption);
}
$bcItems = array(
array(
'href' => OW::getRouter()->urlForRoute('topic-default', array('topicId' => $topicId)),
'label' => OW::getLanguage()->text('forum', 'back_to_topic')
)
);
$breadCrumbCmp = new BASE_CMP_Breadcrumb($bcItems);
$this->addComponent('breadcrumb', $breadCrumbCmp);
OW::getNavigation()->deactivateMenuItems(OW_Navigation::MAIN);
OW::getNavigation()->activateMenuItem(OW_Navigation::MAIN, $forumSection->entity, $eventData['key']);
}
else
{
$bcItems = array(
array(
'href' => $router->urlForRoute('forum-default'),
'label' => $lang->text('forum', 'forum_index')
),
array(
'href' => $router->urlForRoute('forum-default') . '#section-' . $topicInfo['sectionId'],
'label' => $topicInfo['sectionName']
),
array(
'href' => $groupUrl,
'label' => $topicInfo['groupName']
),
array(
'href' => $topicUrl,
'label' => htmlspecialchars($topicDto->title)
)
);
$breadCrumbCmp = new BASE_CMP_Breadcrumb($bcItems, $lang->text('forum', 'post_location'));
$this->addComponent('breadcrumb', $breadCrumbCmp);
OW::getNavigation()->activateMenuItem(OW_Navigation::MAIN, 'forum', 'forum');
}
}
/**
* Generates edit post form.
*
* @param $postDto
* @param $uid
* @return Form
*/
private function generateEditPostForm( $postDto, $uid )
{
$form = new Form('edit-post-form');
$form->setEnctype('multipart/form-data');
$lang = OW::getLanguage();
$postIdField = new HiddenField('post-id');
$postIdField->setValue($postDto->id);
$form->addElement($postIdField);
$attachmentUid = new HiddenField('attachmentUid');
$attachmentUid->setValue($uid);
$attachmentUid->setRequired(true);
$form->addElement($attachmentUid);
$topicIdField = new HiddenField('topic');
$topicIdField->setValue($postDto->topicId);
$form->addElement($topicIdField);
$btnSet = array(BOL_TextFormatService::WS_BTN_IMAGE, BOL_TextFormatService::WS_BTN_VIDEO, BOL_TextFormatService::WS_BTN_HTML);
$postText = new WysiwygTextarea('text', $btnSet);
$postText->setRequired(true);
$postText->setValue($postDto->text);
$sValidator = new StringValidator(1, 50000);
$sValidator->setErrorMessage($lang->text('forum', 'chars_limit_exceeded', array('limit' => 50000)));
$postText->addValidator($sValidator);
$form->addElement($postText);
$submit = new Submit('save');
$submit->setValue($lang->text('base', 'edit_button'));
$form->addElement($submit);
return $form;
}
}