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<?php
/**
* Kunena Component
*
* @package Kunena.Site
* @subpackage Controller.Topic
*
* @copyright Copyright (C) 2008 - 2026 Kunena Team. All rights reserved.
* @license https://www.gnu.org/copyleft/gpl.html GNU/GPL
* @link https://www.kunena.org
**/
namespace Kunena\Forum\Site\Controller\Topic\Item;
\defined('_JEXEC') or die();
use Exception;
use Joomla\CMS\Factory;
use Joomla\CMS\Cache\CacheControllerFactoryInterface;
use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Plugin\PluginHelper;
use Joomla\CMS\Uri\Uri;
use Joomla\Registry\Registry;
use Kunena\Forum\Libraries\Access\KunenaAccess;
use Kunena\Forum\Libraries\Attachment\KunenaAttachmentHelper;
use Kunena\Forum\Libraries\Controller\KunenaControllerDisplay;
use Kunena\Forum\Libraries\Factory\KunenaFactory;
use Kunena\Forum\Libraries\Forum\Category\KunenaCategory;
use Kunena\Forum\Libraries\Forum\Category\KunenaCategoryHelper;
use Kunena\Forum\Libraries\Forum\Message\KunenaMessageFinder;
use Kunena\Forum\Libraries\Forum\Message\KunenaMessageHelper;
use Kunena\Forum\Libraries\Forum\Message\Thankyou\KunenaMessageThankyouHelper;
use Kunena\Forum\Libraries\Forum\Topic\KunenaTopic;
use Kunena\Forum\Libraries\Forum\Topic\KunenaTopicHelper;
use Kunena\Forum\Libraries\Forum\Topic\Rate\KunenaRateHelper;
use Kunena\Forum\Libraries\Html\KunenaParser;
use Kunena\Forum\Libraries\KunenaPrivate\Message\KunenaPrivateMessageFinder;
use Kunena\Forum\Libraries\Pagination\KunenaPagination;
use Kunena\Forum\Libraries\Route\KunenaRoute;
use Kunena\Forum\Libraries\Template\KunenaTemplate;
use Kunena\Forum\Libraries\User\KunenaUser;
use Kunena\Forum\Libraries\User\KunenaUserHelper;
use RuntimeException;
use stdClass;
use Kunena\Forum\Libraries\Event\KunenaPrepareEvent;
/**
* Class ComponentTopicControllerItemDisplay
*
* @since Kunena 4.0
*/
class TopicItemDisplay extends KunenaControllerDisplay
{
/**
* @var KunenaUser
* @since Kunena 6.0
*/
public $me;
/**
* @var KunenaCategory
* @since Kunena 6.0
*/
public $category;
/**
* @var KunenaTopic
* @since Kunena 6.0
*/
public $topic;
/**
* @var KunenaPagination
* @since Kunena 6.0
*/
public $pagination;
/**
* @var string
* @since Kunena 6.0
*/
public $headerText;
/**
* @var string
* @since Kunena 6.0
*/
protected $name = 'Topic/Item';
public $allowed;
public $cache;
public $catParams;
public $categorylist;
public $message;
public $messages;
public $threaded;
public $userTopic;
public $quickReply;
public $image;
public $params;
public $pmHasBody;
/**
* Prepare topic display.
*
* @return void
*
* @throws null
* @throws Exception
* @since Kunena 6.0
*/
protected function before()
{
parent::before();
$catid = $this->input->getInt('catid');
$id = $this->input->getInt('id');
$mesid = $this->input->getInt('mesid');
$start = $this->input->getInt('limitstart', 0);
$limit = $this->input->getInt('limit', 0);
$Itemid = $this->input->getInt('Itemid');
$format = $this->input->getInt('format');
if (!$Itemid && $format != 'feed' && $this->config->sefRedirect) {
try {
$itemid = KunenaRoute::fixMissingItemID();
$params = [
'option' => 'com_kunena',
'view' => 'topic',
'catid' => $catid,
'id' => $id,
'Itemid' => $itemid
];
return $this->app->redirect(KunenaRoute::_('index.php?' . http_build_query($params), false));
} catch (Exception $e) {
throw new RuntimeException('Failed to create controller: ' . $e->getMessage());
}
}
if ($limit < 1 || $limit > 100) {
$limit = $this->config->messagesPerPage;
}
$this->me = KunenaUserHelper::getMyself();
$this->allowed = md5(serialize(KunenaAccess::getInstance()->getAllowedCategories()));
$options = ['defaultgroup' => 'com_kunena'];
$this->cache = Factory::getContainer()->get(CacheControllerFactoryInterface::class)->createCacheController('output', $options);
/*
if ($cache->start("{$this->ktemplate->name}.common.jump.{$allowed}", 'com_kunena.template'))
{
return;
}*/
$options = [];
$options[] = HTMLHelper::_('select.option', '0', Text::_('COM_KUNENA_FORUM_TOP'));
// Todo: fix params
$this->catParams = ['sections' => 1, 'catid' => 0];
$this->categorylist = HTMLHelper::_(
'kunenaforum.categorylist',
'catid',
0,
$options,
$this->catParams,
'class="form-select" data-bs-toggle="tooltip" title="' . Text::_('COM_KUNENA_FORUM_TOP') . '" size="1" onchange = "this.form.submit()"',
'value',
'text'
);
// Load topic and message.
if ($mesid) {
// If message was set, use it to find the current topic.
$this->message = KunenaMessageHelper::get($mesid);
$this->topic = $this->message->getTopic();
} else {
// Note that redirect loops throw RuntimeException because of we added \Kunena\Forum\Libraries\Forum\Topic\Topic::getTopic() call!
$this->topic = KunenaTopicHelper::get($id)->getTopic();
$this->message = KunenaMessageHelper::get($this->topic->first_post_id);
}
// Load also category (prefer the URI variable if available).
if ($catid && $catid != $this->topic->category_id) {
$this->category = KunenaCategoryHelper::get($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]))
) {
$this->app->redirect($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 KunenaMessageFinder();
$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);
$doc = $this->app->getDocument();
if ($this->me->exists()) {
$pmFinder = new KunenaPrivateMessageFinder();
$pmFinder->filterByMessageIds(array_keys($this->messages))->order('id');
if (!$this->me->isModerator($this->category)) {
$pmFinder->filterByUser($this->me);
}
$pms = $pmFinder->find();
foreach ($pms as $pm) {
$registry = new Registry($pm->params);
$posts = $registry->get('receivers.posts');
foreach ($posts as $post) {
if (!isset($this->messages[$post]->pm)) {
$this->messages[$post]->pm = [];
}
}
$this->messages[$post]->pm[$pm->id] = $pm;
}
}
if ($this->topic->unread) {
$doc->setMetaData('robots', 'noindex, follow');
}
if (!$start) {
foreach ($doc->_links as $key => $value) {
if (\is_array($value)) {
if (\array_key_exists('relation', $value)) {
if ($value['relation'] == 'canonical') {
$canonicalUrl = $this->topic->getUrl();
$doc->_links[$canonicalUrl] = $value;
unset($doc->_links[$key]);
break;
}
}
}
}
}
// Run events.
$params = new Registry();
$params->set('ksource', 'kunena');
$params->set('kunena_view', 'topic');
$params->set('kunena_layout', 'default');
PluginHelper::importPlugin('kunena');
KunenaParser::prepareContent($content, 'topic_top');
$prepareEvent = new KunenaPrepareEvent('onKunenaPrepare', [
'context' => 'kunena.topic',
'subject' => $this->topic,
'params' => $params,
'page' => 0
]);
$this->app->getDispatcher()->dispatch('onKunenaPrepare', $prepareEvent);
foreach ($this->messages as &$message) {
$prepareEvent = new KunenaPrepareEvent('onKunenaPrepare', [
'context' => 'kunena.messages',
'subject' => $message,
'params' => $params,
'page' => 0
]);
$this->app->getDispatcher()->dispatch('onKunenaPrepare', $prepareEvent);
}
// Get user data, captcha & quick reply.
$this->userTopic = $this->topic->getUserTopic();
$this->quickReply = $this->topic->isAuthorised('reply') && $this->me->exists() && $this->config->quickReply;
$this->headerText = KunenaParser::parseText($this->topic->displayField('subject'));
$data = new \stdClass();
$data->{'@context'} = "https://schema.org";
$data->{'@type'} = "DiscussionForumPosting";
$data->{'url'} = Uri::getInstance()->toString(['scheme', 'host', 'port']) . $this->topic->getPermaUrl();
$data->{'discussionUrl'} = $this->topic->getPermaUrl();
$data->{'headline'} = $this->headerText;
$data->{'image'} = $this->docImage();
$data->{'datePublished'} = $this->topic->getFirstPostTime()->toISO8601();
if ($this->message->modified_time !== null) {
$data->{'dateModified'} = Factory::getDate($this->message->modified_time)->toISO8601();
}
$data->{'author'} = [];
$tmp = new \stdClass();
$tmp->{'@type'} = "Person";
$tmp->{'name'} = $this->topic->getLastPostAuthor()->username;
$tmp->{'url'} = Uri::getInstance()->toString(['scheme', 'host', 'port']) . $this->topic->getLastPostAuthor()->getURL();
$data->{'author'} = $tmp;
$data->interactionStatistic = [];
$tmp2 = new \stdClass();
$tmp2->{'@type'} = "InteractionCounter";
$tmp2->{'interactionType'} = "InteractionCounter";
$tmp2->{'userInteractionCount'} = $this->topic->getReplies();
$data->interactionStatistic = $tmp2;
$tmp3 = new \stdClass();
$tmp3->{'@type'} = "ImageObject";
$tmp3->{'url'} = $this->docImage();
$tmp4 = new \stdClass();
$tmp4->{'@type'} = "Organization";
$tmp4->{'name'} = $this->config->boardTitle;
$tmp4->{'logo'} = $tmp3;
$data->publisher = (array) $tmp4;
$data->mainEntityOfPage = [];
$tmp5 = new \stdClass();
$tmp5->{'@type'} = "WebPage";
$tmp5->{'name'} = Uri::getInstance()->toString(['scheme', 'host', 'port']) . $this->topic->getPermaUrl();
$data->mainEntityOfPage = $tmp5;
if ($this->category->allowRatings && $this->config->ratingEnabled && KunenaRateHelper::getCount($this->topic->id) > 0) {
$data->aggregateRating = [];
$tmp3 = new \stdClass();
$tmp3->{'@type'} = "AggregateRating";
$tmp3->{'itemReviewed'} = $this->headerText;
$tmp3->{'ratingValue'} = KunenaRateHelper::getSelected($this->topic->id) > 0 ? KunenaRateHelper::getSelected($this->topic->id) : 5;
$tmp3->{'reviewCount'} = KunenaRateHelper::getCount($this->topic->id);
$data->aggregateRating = $tmp3;
}
KunenaTemplate::getInstance()->addScriptDeclaration(json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES), 'application/ld+json');
}
/**
* Prepare messages for display.
*
* @param int $mesid Selected message Id.
*
* @return void
*
* @throws Exception
* @since Kunena 6.0
*/
protected function prepareMessages($mesid)
{
// Get thank yous for all messages in the page
$thankyous = KunenaMessageThankyouHelper::getByMessage($this->messages);
// First collect ids and users.
$threaded = ($this->layout == 'indented' || $this->layout == 'threaded');
$userlist = [];
$this->threaded = [];
$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();
$message->thankyou = [];
if (!empty($thankyou_list)) {
$message->thankyou = $thankyou_list;
}
}
if (!isset($mesid)) {
$mesidTmp = '';
} else {
$mesidTmp = $mesid;
}
if (!isset($this->messages[$mesidTmp]) && !empty($this->messages)) {
$this->message = reset($this->messages);
}
if ($threaded) {
if (!isset($this->messages[$this->topic->first_post_id])) {
$this->messages = $this->getThreadedOrdering(0, ['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 $indent Indent for the current object.
*
* @return array
*
* @throws Exception
* @since Kunena 6.0
*/
protected function getThreadedOrdering($parent = 0, $indent = [])
{
$list = [];
if (\count($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 $list;
}
/**
* Prepare document.
*
* @return string
*
* @throws Exception
* @throws null
* @since Kunena 6.0
*/
protected function docImage()
{
if (is_file(JPATH_SITE . '/media/kunena/avatars/' . KunenaFactory::getUser($this->topic->getAuthor()->id)->avatar)) {
$image = Uri::root() . 'media/kunena/avatars/' . KunenaFactory::getUser($this->topic->getAuthor()->id)->avatar;
} elseif ($this->topic->getAuthor()->avatar == null) {
if (is_file(JPATH_SITE . '/' . $this->config->emailHeader)) {
$image = Uri::base() . $this->config->emailHeader;
} else {
$image = Uri::base() . '/media/kunena/email/hero-wide.png';
}
} else {
$image = $this->topic->getAuthor()->getAvatarURL('Profile', '200');
}
return $image;
}
/**
* After render update topic data for the user.
*
* @return void
*
* @throws null
* @throws Exception
* @since Kunena 6.0
*/
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
*
* @throws Exception
* @throws null
* @since Kunena 6.0
*/
protected function prepareDocument()
{
$this->image = '';
$doc = $this->app->getDocument();
$this->setMetaData('og:url', Uri::current(), 'property');
$this->setMetaData('og:type', 'article', 'property');
$this->setMetaData('og:title', $this->topic->displayField('subject'), 'property');
$this->setMetaData('profile:username', $this->topic->getAuthor()->username, 'property');
$image = $this->docImage();
$message = KunenaParser::parseText($this->topic->first_post_message);
$matches = preg_match("/\[img]http(s?):\/\/.*\/img]/iu", $message, $title);
if ($matches) {
$image = substr($title[0], 5, -6);
}
if ($this->topic->attachments > 0) {
$attachments = KunenaAttachmentHelper::getByMessage($this->topic->first_post_id);
$item = [];
foreach ($attachments as $attach) {
$object = new stdClass();
$object->path = $attach->getUrl();
$object->image = $attach->isImage();
$object->filename = $attach->filename;
$object->folder = $attach->folder;
$item = $object;
}
$attach = $item;
if ($attach) {
if (is_file(JPATH_SITE . '/' . $attach->folder . '/' . $attach->filename)) {
if ($attach->image) {
if ($this->config->attachmentProtection) {
$url = $attach->path;
$protocol = empty($_SERVER['HTTPS']) ? 'http://' : 'https://';
$image = $protocol . $_SERVER['SERVER_NAME'] . $url;
} else {
$image = $attach->path;
}
}
}
}
}
$multispaces_replaced = '';
if (!empty($this->topic->first_post_message)) {
$firstPostMessage = KunenaParser::stripBBCode($this->topic->first_post_message, 160);
$multispaces_replaced = preg_replace('/\s+/', ' ', $firstPostMessage);
}
$this->setMetaData('og:description', $multispaces_replaced, 'property');
$this->setMetaData('og:image', $image, 'property');
$this->setMetaData('article:published_time', $this->topic->getFirstPostTime()->toISO8601(), 'property');
$this->setMetaData('article:section', $this->topic->getCategory()->name, 'property');
$this->setMetaData('twitter:card', 'summary', 'name');
$this->setMetaData('twitter:title', $this->topic->displayField('subject'), 'name');
$this->setMetaData('twitter:image', $image, 'property');
$this->setMetaData('twitter:description', $multispaces_replaced);
$robots = $this->app->get('robots');
if ($robots == 'noindex, follow') {
$this->setMetaData('robots', 'noindex, follow');
} elseif ($robots == 'index, nofollow') {
$this->setMetaData('robots', 'index, nofollow');
} elseif ($robots == 'noindex, nofollow') {
$this->setMetaData('robots', 'noindex, nofollow');
} else {
$this->setMetaData('robots', 'index, follow');
}
$page = (int) $this->pagination->pagesCurrent;
$total = (int) $this->pagination->pagesTotal;
$headerText = $this->headerText . ($total > 1 && $page > 1 ? " - " . Text::_('COM_KUNENA_PAGES') . " {$page}" : '');
$pagdata = $this->pagination->getData();
if ($pagdata->previous->link) {
$pagdata->previous->link = str_replace('?limitstart=0', '', $pagdata->previous->link);
$doc->addHeadLink($pagdata->previous->link, 'prev');
}
if ($pagdata->next->link) {
$doc->addHeadLink($pagdata->next->link, 'next');
}
if ($page > 1) {
foreach ($doc->_links as $key => $value) {
if (\is_array($value)) {
if (\array_key_exists('relation', $value)) {
if ($value['relation'] == 'canonical') {
$canonicalUrl = KunenaRoute::_();
$doc->_links[$canonicalUrl] = $value;
unset($doc->_links[$key]);
break;
}
}
}
}
} else {
$uri = trim(strtok($this->topic->getUrl(), '?'));
$doc->addHeadLink($uri, 'canonical');
}
$menu_item = $this->app->getMenu()->getActive();
if ($menu_item) {
$this->params = $menu_item->getParams();
$subject = $this->topic->subject;
$this->setTitle($subject);
$multispaces_replaced_desc = preg_replace('/\s+/', ' ', $this->topic->first_post_message);
if ($total > 1 && $page > 1) {
$small = KunenaParser::stripBBCode($multispaces_replaced_desc, 130);
if (empty($small)) {
$small = $headerText;
}
$this->setDescription($small . " - " . Text::_('COM_KUNENA_PAGES') . " {$page}");
} else {
$small = KunenaParser::stripBBCode($multispaces_replaced_desc, 160);
if (empty($small)) {
$small = $headerText;
}
$this->setDescription($small);
}
}
}
}