/**
* Delete a message
*/
public function delete()
{
$my = JXFactory::getUser();
$message_id = JRequest::getVar('message_id');
$stream = JTable::getInstance('Stream', 'StreamTable');
$stream->load($message_id);
if (!$my->authorise('stream.message.delete', $stream)) {
// No reason this code would ever get here!
exit;
}
// Remove trending tags data
$tagsTrend = new StreamTag();
$rawData = json_decode($stream->raw);
$rawData->tags = isset($rawData->tags) ? $rawData->tags : '';
$tagsArray = explode(',', trim($rawData->tags, ','));
foreach ($tagsArray as $tag) {
// trim hashes
$tag = trim($tag, '#');
// remove trending data
$tagsTrend->updateTrending($tag, $stream->group_id, false);
}
$stream->delete();
// Delete related comments
StreamComment::deleteComments($message_id);
// Unattach all files
$user = JXFactory::getUser($stream->user_id);
$links = StreamMessage::getLinks($stream->message);
if (!empty($links)) {
$userLinks = $user->getParam('links');
foreach ($links as $row) {
$link = JTable::getInstance('Link', 'StreamTable');
$link->load(array('link' => $row));
$link->removeUser($user->id);
$link->store();
$userLinks = JXUtility::csvRemove($userLinks, $link->id);
}
$user->setParam('links', $userLinks);
$user->save();
}
// @todo: delete attachments
// Upgrade group stats if necessary
if (JRequest::getVar('group_id')) {
$group = JTable::getInstance('Group', 'StreamTable');
$group->load(JRequest::getVar('group_id'));
$group->setParam('message_count', $streamModel->countStream(array('group_id' => $group->id)));
$group->setParam($stream->type . '_count', $streamModel->countStream(array('group_id' => $group->id, 'type' => $stream->type)));
$group->store();
}
$data = array();
$data['id'] = $message_id;
header('Content-Type: text/json');
echo json_encode($data);
exit;
}
