/home/edulekha/studygroup.edulekha.com/ow_plugins/newsfeed/controllers/ajax.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 Sergey Kambalin <greyexpert@gmail.com>
* @package ow_plugins.newsfeed.controllers
* @since 1.0
*/
class NEWSFEED_CTRL_Ajax extends OW_ActionController
{
/**
*
* @var NEWSFEED_BOL_Service
*/
protected $service;
public function __construct()
{
$this->service = NEWSFEED_BOL_Service::getInstance();
}
public function init()
{
if ( !OW::getRequest()->isAjax() )
{
throw new Redirect404Exception();
}
}
public function like()
{
if ( !OW::getUser()->isAuthenticated() )
{
throw new AuthenticateException();
}
$entityType = !empty($_POST['entityType']) ? $_POST['entityType'] : null;
$entityId = !empty($_POST['entityId']) ? $_POST['entityId'] : null;
$like = $this->service->addLike(OW::getUser()->getId(), $entityType, $entityId);
$event = new OW_Event('feed.after_like_added', array(
'entityType' => $entityType,
'entityId' => $entityId,
'userId' => OW::getUser()->getId()
), array(
'likeId' => $like->id
));
OW::getEventManager()->trigger($event);
$this->afterLike($entityType, $entityId);
}
protected function afterLike( $entityType, $entityId )
{
$cmp = new NEWSFEED_CMP_Likes($entityType, $entityId);
echo json_encode(array(
'count' => $cmp->getCount(),
'markup' => $cmp->render()
));
exit;
}
public function unlike()
{
if ( !OW::getUser()->isAuthenticated() )
{
throw new AuthenticateException();
}
$entityType = !empty($_POST['entityType']) ? $_POST['entityType'] : null;
$entityId = !empty($_POST['entityId']) ? (int) $_POST['entityId'] : null;
$this->service->removeLike(OW::getUser()->getId(), $entityType, $entityId);
$event = new OW_Event('feed.after_like_removed', array(
'entityType' => $entityType,
'entityId' => $entityId,
'userId' => OW::getUser()->getId()
));
OW::getEventManager()->trigger($event);
$this->afterUnlike($entityType, $entityId);
}
protected function afterUnlike( $entityType, $entityId )
{
$this->afterLike($entityType, $entityId);
}
public function statusUpdate()
{
if ( empty($_POST['status']) && empty($_POST['attachment']) )
{
echo json_encode(array(
"error" => OW::getLanguage()->text('base', 'form_validate_common_error_message')
));
exit;
}
if ( !OW::getUser()->isAuthenticated() )
{
echo json_encode(false);
exit;
}
$oembed = null;
$attachId = null;
$status = empty($_POST['status']) ? '' : strip_tags($_POST['status']);
$content = array();
if ( !empty($_POST['attachment']) )
{
$content = json_decode($_POST['attachment'], true);
if ( !empty($content) )
{
if( $content['type'] == 'photo' && !empty($content['uid']) )
{
$attachmentData = OW::getEventManager()->call('base.attachment_save_image', array(
"pluginKey" => "newsfeed",
'uid' => $content['uid']
));
$content['url'] = $content['href'] = $attachmentData["url"];
$attachId = $content['uid'];
}
if( $content['type'] == 'video' )
{
$content['html'] = BOL_TextFormatService::getInstance()->validateVideoCode($content['html']);
}
}
}
$userId = OW::getUser()->getId();
$event = new OW_Event("feed.before_content_add", array(
"feedType" => $_POST['feedType'],
"feedId" => $_POST['feedId'],
"visibility" => $_POST['visibility'],
"userId" => $userId,
"status" => $status,
"type" => empty($content["type"]) ? "text" : $content["type"],
"data" => $content
));
OW::getEventManager()->trigger($event);
$data = $event->getData();
if ( !empty($data) )
{
if ( !empty($attachId) )
{
BOL_AttachmentService::getInstance()->deleteAttachmentByBundle("newsfeed", $attachId);
}
$item = empty($data["entityType"]) || empty($data["entityId"])
? null
: array(
"entityType" => $data["entityType"],
"entityId" => $data["entityId"]
);
echo json_encode(array(
"item" => $item,
"message" => empty($data["message"]) ? null : $data["message"],
"error" => empty($data["error"]) ? null : $data["error"]
));
exit;
}
$status = UTIL_HtmlTag::autoLink($status);
$out = NEWSFEED_BOL_Service::getInstance()
->addStatus(OW::getUser()->getId(), $_POST['feedType'], $_POST['feedId'], $_POST['visibility'], $status, array(
"content" => $content,
"attachmentId" => $attachId
));
echo json_encode(array(
"item" => $out
));
exit;
}
public function remove()
{
$id = !empty($_POST['actionId']) ? (int) $_POST['actionId'] : null;
if ( !$id )
{
throw new Redirect404Exception();
}
$dto = $this->service->findActionById($id);
if ( empty($dto) )
{
exit;
}
// check permissions
$removeAllowed = OW::getUser()->isAuthorized("newsfeed");
if ( !$removeAllowed )
{
$activities = $this->service->
findActivity(NEWSFEED_BOL_Service::SYSTEM_ACTIVITY_CREATE . ':' . $dto->id);
// check for the ownership
foreach ($activities as $activity) {
if ( OW::getUser()->getId() == $activity->userId ) {
$removeAllowed = true;
break;
}
}
}
if ( $removeAllowed )
{
$this->service->removeActionById($id);
echo json_encode(OW::getLanguage()->text('newsfeed', 'item_deleted_feedback'));
}
exit;
}
public function removeAttachment()
{
$id = !empty($_POST['actionId']) ? (int) $_POST['actionId'] : null;
if ( !$id )
{
throw new Redirect404Exception();
}
$dto = $this->service->findActionById($id);
$data = json_decode($dto->data, true);
if( !empty($data['attachmentId']) )
{
BOL_AttachmentService::getInstance()->deleteAttachmentByBundle("newsfeed", $data['attachmentId']);
}
unset($data['attachment']);
$dto->data = json_encode($data);
$this->service->saveAction($dto);
exit;
}
public function loadItem()
{
$params = json_decode($_GET['p'], true);
$feedData = $params['feedData'];
$driverClass = $feedData['driver']['class'];
/* @var $driver NEWSFEED_CLASS_Driver */
$driver = OW::getClassInstance($driverClass);
$driver->setup($feedData['driver']['params']);
if ( isset($params['actionId']) )
{
$action = $driver->getActionById($params['actionId']);
}
else if ( isset($params['entityType']) && isset($params['entityId']) )
{
$action = $driver->getAction($params['entityType'], $params['entityId']);
}
else
{
throw new InvalidArgumentException('Invalid paraeters: `entityType` and `entityId` or `actionId`');
}
if ( $action === null )
{
$this->echoError('Action not found');
}
$data = $feedData['data'];
$sharedData['feedAutoId'] = $data['feedAutoId'];
$sharedData['feedType'] = $data['feedType'];
$sharedData['feedId'] = $data['feedId'];
$sharedData['configs'] = OW::getConfig()->getValues('newsfeed');
$userIdList = array($action->getUserId());
$sharedData['usersIdList'] = $userIdList;
$usersInfo = BOL_AvatarService::getInstance()->getDataForUserAvatars($userIdList);
$sharedData['usersInfo']['avatars'][$action->getUserId()] = $usersInfo[$action->getUserId()]['src'];
$sharedData['usersInfo']['urls'][$action->getUserId()] = $usersInfo[$action->getUserId()]['url'];
$sharedData['usersInfo']['names'][$action->getUserId()] = $usersInfo[$action->getUserId()]['title'];
$sharedData['usersInfo']['roleLabels'][$action->getUserId()] = array(
'label' => $usersInfo[$action->getUserId()]['label'],
'labelColor' => $usersInfo[$action->getUserId()]['labelColor']
);
$entityList = array();
$entityList[] = array(
'entityType' => $action->getEntity()->type,
'entityId' => $action->getEntity()->id,
'pluginKey' => $action->getPluginKey(),
'userId' => $action->getUserId(),
'countOnPage' => $sharedData['configs']['comments_count']
);
$sharedData['commentsData'] = BOL_CommentService::getInstance()->findBatchCommentsData($entityList);
$sharedData['likesData'] = NEWSFEED_BOL_Service::getInstance()->findLikesByEntityList($entityList);
$cmp = $this->createFeedItem($action, $sharedData);
$cmp->setDisplayType($data['displayType']);
$html = $cmp->renderMarkup(empty($params['cycle']) ? null : $params['cycle']);
$this->synchronizeData($data['feedAutoId'], array(
'data' => $data,
'driver' => $driver->getState()
));
$this->echoMarkup($html);
}
/**
*
* @param NEWSFEED_CLASS_Action $action
* @param array $sharedData
* @return NEWSFEED_CMP_FeedItem
*/
protected function createFeedItem( $action, $sharedData )
{
return OW::getClassInstance("NEWSFEED_CMP_FeedItem", $action, $sharedData);
}
public function loadItemList()
{
$params = json_decode($_GET['p'], true);
$event = new OW_Event('feed.on_ajax_load_list', $params);
OW::getEventManager()->trigger($event);
$driverClass = $params['driver']['class'];
/*@var $cmp NEWSFEED_CLASS_Driver */
$driver = OW::getClassInstance($driverClass);
$driverParams = $params['driver']['params'];
$driverParams['displayCount'] = $driverParams['displayCount'] > 20 ? 20 : $driverParams['displayCount'];
$driver->setup($driverParams);
$driver->moveCursor();
$actionList = $driver->getActionList();
$list = $this->createFeedList($actionList, $params['data']);
$list->setDisplayType($params['data']['displayType']);
$html = $list->render();
$this->synchronizeData($params['data']['feedAutoId'], array(
'data' => $params['data'],
'driver' => $driver->getState()
));
$this->echoMarkup($html);
}
/**
*
* @param array $actionList
* @param array $data
* @return NEWSFEED_CMP_FeedList
*/
protected function createFeedList( $actionList, $data )
{
return OW::getClassInstance("NEWSFEED_CMP_FeedList", $actionList, $data);
}
private function synchronizeData( $autoId, $data )
{
$script = UTIL_JsGenerator::newInstance()
->callFunction(array('window', 'ow_newsfeed_feed_list', $autoId, 'setData'), array($data));
OW::getDocument()->addOnloadScript($script);
}
private function echoError( $msg, $code = null )
{
echo json_encode(array(
'result' => 'error',
'code' => $code,
'msg' => $msg
));
exit;
}
private function echoMarkup( $html )
{
/* @var $document OW_AjaxDocument */
$document = OW::getDocument();
$markup = array();
$markup['result'] = 'success';
$markup['html'] = trim($html);
$beforeIncludes = $document->getScriptBeforeIncludes();
if ( !empty($beforeIncludes) )
{
$markup['beforeIncludes'] = $beforeIncludes;
}
$scripts = $document->getScripts();
if ( !empty($scripts) )
{
$markup['scriptFiles'] = $scripts;
}
$styleSheets = $document->getStyleSheets();
if ( !empty($styleSheets) )
{
$markup['styleSheets'] = $styleSheets;
}
$onloadScript = $document->getOnloadScript();
if ( !empty($onloadScript) )
{
$markup['onloadScript'] = $onloadScript;
}
$styleDeclarations = $document->getStyleDeclarations();
if ( !empty($styleDeclarations) )
{
$markup['styleDeclarations'] = $styleDeclarations;
}
echo json_encode($markup);
exit;
}
}