/home/edulekha/studygroup.edulekha.com/ow_plugins/forum/mobile/controllers/topic.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.
*/
/**
* @author Alex Ermashev <alexermashev@gmail.com>
* @package ow.plugin.forum.mobile.controllers
* @since 1.6.0
*/
class FORUM_MCTRL_Topic extends FORUM_MCTRL_AbstractForum
{
/**
* Topic index
*
* @param array $params
*/
public function index( array $params )
{
// get topic info
if ( !isset($params['topicId'])
|| ($topicDto = $this->forumService->findTopicById($params['topicId'])) === null )
{
throw new Redirect404Exception();
}
$forumGroup = $this->forumService->findGroupById($topicDto->groupId);
$forumSection = $this->forumService->findSectionById($forumGroup->sectionId);
// users cannot see topics in hidden sections
if ( !$forumSection || $forumSection->isHidden )
{
throw new Redirect404Exception();
}
$userId = OW::getUser()->getId();
$isModerator = OW::getUser()->isAuthorized('forum');
$isOwner = ( $topicDto->userId == $userId ) ? true : false;
// check the permission for private topic
if ( $forumGroup->isPrivate )
{
if ( !$userId )
{
throw new AuthorizationException();
}
else if ( !$isModerator )
{
if ( !$this->forumService->isPrivateGroupAvailable($userId, json_decode($forumGroup->roles)) )
{
throw new AuthorizationException();
}
}
}
//update topic's view count
$topicDto->viewCount += 1;
$this->forumService->saveOrUpdateTopic($topicDto);
//update user read info
$this->forumService->setTopicRead($topicDto->id, $userId);
$topicInfo = $this->forumService->getTopicInfo($topicDto->id);
$page = !empty($_GET['page']) && (int) $_GET['page'] ? abs((int) $_GET['page']) : 1;
$canEdit = OW::getUser()->isAuthorized('forum', 'edit') || $isModerator ? true : false;
// include js translations
OW::getLanguage()->addKeyForJs('forum', 'post_attachment');
OW::getLanguage()->addKeyForJs('forum', 'attached_files');
OW::getLanguage()->addKeyForJs('forum', 'confirm_delete_all_attachments');
OW::getLanguage()->addKeyForJs('forum', 'confirm_delete_attachment');
// assign view variables
$firstPost = $this->forumService->findTopicFirstPost($topicDto->id);
$this->assign('firstTopicPost', $firstPost);
$this->assign('userId', $userId);
$this->assign('topicInfo', $topicInfo);
$this->assign('page', $page);
$this->assign('isOwner', $isOwner);
$this->assign('isModerator', $isModerator);
$this->assign('canEdit', $canEdit);
$this->assign('canPost', $canEdit);
$this->assign('canLock', $isModerator);
$this->assign('canSticky', $isModerator);
$this->assign('canSubscribe', OW::getUser()->isAuthorized('forum', 'subscribe'));
$this->assign('isSubscribed', $userId
&& FORUM_BOL_SubscriptionService::getInstance()->isUserSubscribed($userId, $topicDto->id));
// remember the last forum page
OW::getSession()->set('last_forum_page', OW_URL_HOME . OW::getRequest()->getRequestUri());
// set current page settings
// OW::getDocument()->setDescription(OW::getLanguage()->text('forum', 'meta_description_forums'));
OW::getDocument()->setHeading(OW::getLanguage()->text('forum', 'forum_topic'));
// OW::getDocument()->setTitle(OW::getLanguage()->text('forum', 'forum_topic'));
$params = array(
"sectionKey" => "forum",
"entityKey" => "topic",
"title" => "forum+meta_title_topic",
"description" => "forum+meta_desc_topic",
"keywords" => "forum+meta_keywords_topic",
"vars" => array( "topic_name" => $topicInfo['title'], "topic_description" => $firstPost->text )
);
OW::getEventManager()->trigger(new OW_Event("base.provide_page_meta_info", $params));
}
/**
* Delete forum post
*/
public function ajaxDeletePost( array $params )
{
$result = false;
$postUrl = null;
$topicId = !empty($params['topicId']) ? (int) $params['topicId'] : null;
$postId = !empty($params['postId']) ? (int) $params['postId'] : null;
if ( OW::getRequest()->isPost() && $topicId && $postId )
{
$topicDto = $this->forumService->findTopicById($topicId);
$postDto = $this->forumService->findPostById($postId);
if ( $topicDto && $postDto )
{
$forumGroup = $this->forumService->findGroupById($topicDto->groupId);
$forumSection = $this->forumService->findSectionById($forumGroup->sectionId);
$userId = OW::getUser()->getId();
$isModerator = OW::getUser()->isAuthorized('forum');
if ( !$forumSection->isHidden && ($postDto->userId == $userId || $isModerator) )
{
$prevPostDto = $this->forumService->findPreviousPost($topicId, $postId);
if ( $prevPostDto )
{
$topicDto->lastPostId = $prevPostDto->id;
$this->forumService->saveOrUpdateTopic($topicDto);
$this->forumService->deletePost($postId);
$postUrl = $this->forumService->getPostUrl($topicId, $prevPostDto->id, false);
$result = true;
}
}
}
}
die(json_encode(array(
'result' => $result,
'url' => $postUrl
)));
}
/**
* Delete attachment
*/
public function ajaxDeleteAttachment()
{
$result = false;
$attachmentIds = !empty($_POST['id']) ? $_POST['id'] : null;
if ( OW::getRequest()->isPost() && $attachmentIds )
{
if (!is_array($attachmentIds)) {
$attachmentIds = array($attachmentIds);
}
$attachmentService = FORUM_BOL_PostAttachmentService::getInstance();
$forumService = FORUM_BOL_ForumService::getInstance();
$userId = OW::getUser()->getId();
$isAuthorized = OW::getUser()->isAuthorized('forum');
foreach ($attachmentIds as $attachmentId)
{
$attachment = $attachmentService->findPostAttachmentById($attachmentId);
if ( $attachment )
{
$post = $forumService->findPostById($attachment->postId);
if ( $post )
{
// check the ownership
if ( $isAuthorized || $post->userId == $userId )
{
$attachmentService->deleteAttachment($attachment->id);
$result = true;
continue;
}
}
}
$result = false;
}
}
die(json_encode(array(
'result' => $result
)));
}
/**
* This action deletes the topic
*
* @param array $params
*/
public function ajaxDeleteTopic( array $params )
{
$result = false;
$topicId = !empty($params['topicId']) ? (int) $params['topicId'] : -1;
$userId = OW::getUser()->getId();
if ( OW::getRequest()->isPost() )
{
$topicDto = $this->forumService->findTopicById($topicId);
if ( $topicDto )
{
$isModerator = OW::getUser()->isAuthorized('forum');
$forumGroup = $this->forumService->findGroupById($topicDto->groupId);
$forumSection = $this->forumService->findSectionById($forumGroup->sectionId);
if ( !$forumSection->isHidden
&& ($isModerator || $userId == $topicDto->userId))
{
$this->forumService->deleteTopic($topicId);
$result = true;
}
}
}
die(json_encode(array(
'result' => $result
)));
}
/**
* This action subscribe or unsubscribe the topic
*
* @param array $params
*/
public function ajaxSubscribeTopic( array $params )
{
$result = false;
$topicId = !empty($params['topicId']) ? (int) $params['topicId'] : -1;
$userId = OW::getUser()->getId();
if ( OW::getRequest()->isPost() )
{
$subscribeService = FORUM_BOL_SubscriptionService::getInstance();
$topicDto = $this->forumService->findTopicById($topicId);
if ( $topicDto )
{
if ( OW::getUser()->isAuthorized('forum', 'subscribe') )
{
if ( !$subscribeService->isUserSubscribed($userId, $topicId) )
{
$subscription = new FORUM_BOL_Subscription;
$subscription->userId = $userId;
$subscription->topicId = $topicId;
$subscribeService->addSubscription($subscription);
}
else
{
$subscribeService->deleteSubscription($userId, $topicId);
}
$result = true;
}
}
}
die(json_encode(array(
'result' => $result
)));
}
/**
* This action locks or unlocks the topic
*
* @param array $params
*/
public function ajaxLockTopic( array $params )
{
$result = false;
$topicId = !empty($params['topicId']) ? (int) $params['topicId'] : -1;
if ( OW::getRequest()->isPost() )
{
$isModerator = OW::getUser()->isAuthorized('forum');
$topicDto = $this->forumService->findTopicById($topicId);
if ( $topicDto )
{
if ( $isModerator )
{
$topicDto->locked = ($topicDto->locked) ? 0 : 1;
$this->forumService->saveOrUpdateTopic($topicDto);
$result = true;
}
}
}
die(json_encode(array(
'result' => $result
)));
}
/**
* This action sticky or unsticky the topic
*
* @param array $params
*/
public function ajaxStickyTopic( array $params )
{
$result = false;
$topicId = !empty($params['topicId']) ? (int) $params['topicId'] : -1;
if ( OW::getRequest()->isPost() )
{
$isModerator = OW::getUser()->isAuthorized('forum');
$topicDto = $this->forumService->findTopicById($topicId);
if ( $topicDto )
{
if ( $isModerator )
{
$topicDto->sticky = ($topicDto->sticky) ? 0 : 1;
$this->forumService->saveOrUpdateTopic($topicDto);
$result = true;
}
}
}
die(json_encode(array(
'result' => $result
)));
}
}