/**
* Return AJAX for the requested layout.
*
* @return string String in JSON or RAW.
*
* @throws RuntimeException
* @throws KunenaExceptionAuthorise
*/
public function execute()
{
$format = $this->input->getWord('format', 'html');
$function = 'display' . ucfirst($format);
if (!method_exists($this, $function)) {
// Invalid page request.
throw new KunenaExceptionAuthorise(JText::_('COM_KUNENA_NO_ACCESS'), 404);
}
// Run before executing action.
$result = $this->before();
if ($result === false) {
$content = new KunenaExceptionAuthorise(JText::_('COM_KUNENA_NO_ACCESS'), 404);
} elseif (!JSession::checkToken()) {
// Invalid access token.
$content = new KunenaExceptionAuthorise(JText::_('COM_KUNENA_ERROR_TOKEN'), 403);
} elseif ($this->config->board_offline && !$this->me->isAdmin()) {
// Forum is offline.
$content = new KunenaExceptionAuthorise(JText::_('COM_KUNENA_FORUM_IS_OFFLINE'), 503);
} elseif ($this->config->regonly && !$this->me->exists()) {
// Forum is for registered users only.
$content = new KunenaExceptionAuthorise(JText::_('COM_KUNENA_LOGIN_NOTIFICATION'), 401);
} else {
$display = $this->input->getCmd('display', 'Undefined') . '/Display';
try {
$content = KunenaRequest::factory($display, $this->input, $this->options)->setPrimary()->execute()->render();
} catch (Exception $e) {
$content = $e;
}
}
return $this->{$function}($content);
}
/**
* Plugin processor.
*
* @param string $content
* @return bool
*/
protected function process(&$content)
{
// Quick search to optimize pages which do not contain the tag.
if (stripos($content, 'Kunena.Display') === false) {
return false;
}
$regex = '/{{\\s*Kunena.Display\\(([^\\)]+)\\)\\s*}}/i';
preg_match_all($regex, $content, $matches, PREG_SET_ORDER);
if (!$matches) {
return false;
}
foreach ($matches as $match) {
$paramslist = (array) explode(',', $match[1]);
$layout = trim(trim(array_shift($paramslist)), '\'"') . '/Display';
try {
// TODO: de we need to load the language files?
$input = new JInput($this->getParams($paramslist));
$output = KunenaRequest::factory($layout, $input);
} catch (Exception $e) {
$output = '<div class="alert">' . $e->getMessage() . '</div>';
}
$pos = strpos($content, $match[0]);
if ($pos !== false) {
$content = substr_replace($content, (string) $output, $pos, strlen($match[0]));
}
}
return true;
}
/**
* Get main MVC triad from current layout.
*
* @param $path
* @param $input
* @param $options
*
* @return KunenaControllerDisplay
*/
public function request($path, Jinput $input = null, $options = null)
{
return KunenaRequest::factory($path . '/Display', $input, $options ? $options : $this->getOptions())->setPrimary()->set('layout', $this->getLayout());
}
/**
* Display arbitrary MVC triad from current layout.
*
* By using $this->subRequest() instead of KunenaRequest::factory() you can make your template files both
* easier to read and gain some context awareness.
*
* @param $path
* @param $input
* @param $options
*
* @return KunenaControllerDisplay
*/
public function subRequest($path, Jinput $input = null, $options = null)
{
return KunenaRequest::factory($path . '/Display', $input, $options)->setLayout($this->getLayout());
}
