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<?php
/**
* Kunena Component
* @package Kunena.Site
* @subpackage Controller.Topic
*
* @copyright (C) 2008 - 2016 Kunena Team. All rights reserved.
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* @link https://www.kunena.org
**/
defined('_JEXEC') or die;
/**
* Class ComponentKunenaControllerTopicItemDisplay
*
* @since K4.0
*/
class ComponentKunenaControllerTopicItemDisplay extends KunenaControllerDisplay
{
protected $name = 'Topic/Item';
/**
* @var KunenaUser
*/
public $me;
/**
* @var KunenaForumCategory
*/
public $category;
/**
* @var KunenaForumTopic
*/
public $topic;
/**
* @var KunenaPagination
*/
public $pagination;
/**
* @var string
*/
public $headerText;
/**
* Prepare topic display.
*
* @return void
*
* @throws KunenaExceptionAuthorise
*/
protected function before()
{
parent::before();
$catid = $this->input->getInt('catid', 0);
$id = $this->input->getInt('id', 0);
$mesid = $this->input->getInt('mesid', 0);
$start = $this->input->getInt('limitstart', 0);
$limit = $this->input->getInt('limit', 0);
if ($limit < 1 || $limit > 100)
{
$limit = $this->config->messages_per_page;
}
$this->me = KunenaUserHelper::getMyself();
// Load topic and message.
if ($mesid)
{
// If message was set, use it to find the current topic.
$this->message = KunenaForumMessageHelper::get($mesid);
$this->topic = $this->message->getTopic();
}
else
{
// Note that redirect loops throw RuntimeException because of we added KunenaForumTopic::getTopic() call!
$this->topic = KunenaForumTopicHelper::get($id)->getTopic();
$this->message = KunenaForumMessageHelper::get($this->topic->first_post_id);
}
// Load also category (prefer the URI variable if available).
if ($catid && $catid != $this->topic->category_id)
{
$this->category = KunenaForumCategoryHelper::get($catid);
$this->category->tryAuthorise();
}
else
{
$this->category = $this->topic->getCategory();
}
// Access check.
$this->message->tryAuthorise();
// Check if we need to redirect (category or topic mismatch, or resolve permanent URL).
if ($this->primary)
{
$channels = $this->category->getChannels();
if ($this->message->thread != $this->topic->id
|| ($this->topic->category_id != $this->category->id && !isset($channels[$this->topic->category_id]))
)
{
while (@ob_end_clean());
$this->app->redirect($this->message->getUrl(null, false));
}
}
// Load messages from the current page and set the pagination.
$hold = KunenaAccess::getInstance()->getAllowedHold($this->me, $this->category->id, false);
$finder = new KunenaForumMessageFinder;
$finder
->where('thread', '=', $this->topic->id)
->filterByHold($hold);
$start = $mesid ? $this->topic->getPostLocation($mesid) : $start;
$this->pagination = new KunenaPagination($finder->count(), $start, $limit);
$this->messages = $finder
->order('time', $this->me->getMessageOrdering() == 'asc' ? 1 : -1)
->start($this->pagination->limitstart)
->limit($this->pagination->limit)
->find();
$this->prepareMessages($mesid);
// Run events.
$params = new JRegistry;
$params->set('ksource', 'kunena');
$params->set('kunena_view', 'topic');
$params->set('kunena_layout', 'default');
$dispatcher = JDispatcher::getInstance();
JPluginHelper::importPlugin('kunena');
$dispatcher->trigger('onKunenaPrepare', array ('kunena.topic', &$this->topic, &$params, 0));
$dispatcher->trigger('onKunenaPrepare', array ('kunena.messages', &$this->messages, &$params, 0));
// Get user data, captcha & quick reply.
$this->userTopic = $this->topic->getUserTopic();
$this->captcha = KunenaSpamRecaptcha::getInstance();
$this->quickReply = ($this->topic->isAuthorised('reply') && $this->me->exists() && !$this->captcha->enabled());
$this->headerText = JText::_('COM_KUNENA_TOPIC') . ' ' . html_entity_decode($this->topic->displayField('subject'));
}
/**
* Prepare messages for display.
*
* @param int $mesid Selected message Id.
*
* @return void
*/
protected function prepareMessages($mesid)
{
// Get thank yous for all messages in the page
$thankyous = KunenaForumMessageThankyouHelper::getByMessage($this->messages);
// First collect ids and users.
$threaded = ($this->layout == 'indented' || $this->layout == 'threaded');
$userlist = array();
$this->threaded = array();
$location = $this->pagination->limitstart;
foreach ($this->messages AS $message)
{
$message->replynum = ++$location;
if ($threaded)
{
// Threaded ordering
if (isset($this->messages[$message->parent]))
{
$this->threaded[$message->parent][] = $message->id;
}
else
{
$this->threaded[0][] = $message->id;
}
}
$userlist[(int) $message->userid] = (int) $message->userid;
$userlist[(int) $message->modified_by] = (int) $message->modified_by;
$thankyou_list = $thankyous[$message->id]->getList();
$message->thankyou = array();
if (!empty($thankyou_list))
{
$message->thankyou = $thankyou_list;
}
}
if (!isset($this->messages[$mesid]) && !empty($this->messages))
{
$this->message = reset($this->messages);
}
if ($threaded)
{
if (!isset($this->messages[$this->topic->first_post_id]))
{
$this->messages = $this->getThreadedOrdering(0, array('edge'));
}
else
{
$this->messages = $this->getThreadedOrdering();
}
}
// Prefetch all users/avatars to avoid user by user queries during template iterations
KunenaUserHelper::loadUsers($userlist);
// Prefetch attachments.
KunenaAttachmentHelper::getByMessage($this->messages);
}
/**
* Change ordering of the displayed messages and apply threading.
*
* @param int $parent Parent Id.
* @param array $indent Indent for the current object.
*
* @return array
*/
protected function getThreadedOrdering($parent = 0, $indent = array())
{
$list = array();
if (count($indent) == 1 && $this->topic->getTotal() > $this->pagination->limitstart + $this->pagination->limit)
{
$last = -1;
}
else
{
$last = end($this->threaded[$parent]);
}
foreach ($this->threaded[$parent] as $mesid)
{
$message = $this->messages[$mesid];
$skip = $message->id != $this->topic->first_post_id
&& $message->parent != $this->topic->first_post_id && !isset($this->messages[$message->parent]);
if ($mesid != $last)
{
// Default sibling edge
$indent[] = 'crossedge';
}
else
{
// Last sibling edge
$indent[] = 'lastedge';
}
end($indent);
$key = key($indent);
if ($skip)
{
$indent[] = 'gap';
}
$list[$mesid] = $this->messages[$mesid];
$list[$mesid]->indent = $indent;
if (empty($this->threaded[$mesid]))
{
// No children node
// FIXME: $mesid == $message->thread
$list[$mesid]->indent[] = ($mesid == $message->thread) ? 'single' : 'leaf';
}
else
{
// Has children node
// FIXME: $mesid == $message->thread
$list[$mesid]->indent[] = ($mesid == $message->thread) ? 'root' : 'node';
}
if (!empty($this->threaded[$mesid]))
{
// Fix edges
if ($mesid != $last)
{
$indent[$key] = 'edge';
}
else
{
$indent[$key] = 'empty';
}
if ($skip)
{
$indent[$key + 1] = 'empty';
}
$list += $this->getThreadedOrdering($mesid, $indent);
}
if ($skip)
{
array_pop($indent);
}
array_pop($indent);
}
return $list;
}
/**
* After render update topic data for the user.
*
* @return void
*/
protected function after()
{
parent::after();
$this->topic->hit();
$this->topic->markRead();
// Check if subscriptions have been sent and reset the value.
if ($this->topic->isAuthorised('subscribe') && $this->userTopic->subscribed == 2)
{
$this->userTopic->subscribed = 1;
$this->userTopic->save();
}
}
/**
* Prepare document.
*
* @return void
*/
protected function prepareDocument()
{
$page = $this->pagination->pagesCurrent;
$total = $this->pagination->pagesTotal;
$headerText = $this->headerText . ($total > 1 ? " ({$page}/{$total})" : '');
$app = JFactory::getApplication();
$menu_item = $app->getMenu()->getActive(); // get the active item
if ($menu_item)
{
$params = $menu_item->params; // get the params
$params_title = $params->get('page_title');
$params_keywords = $params->get('menu-meta_keywords');
$params_description = $params->get('menu-meta_description');
if (!empty($params_title))
{
$title = $params->get('page_title');
$this->setTitle($title);
}
else
{
$this->setTitle($headerText);
}
if (!empty($params_keywords))
{
$keywords = $params->get('menu-meta_keywords');
$this->setKeywords($keywords);
}
else
{
$this->setKeywords($headerText);
}
if (!empty($params_description))
{
$description = $params->get('menu-meta_description');
$this->setDescription($description);
}
else
{
$this->setDescription($headerText);
}
}
}
}