/**
* The subscribe view and processor
*/
public function subscribeAction()
{
$identity = $this->authenticate();
$userId = $identity['id'];
if ($this->getRequest()->getParam('subscribe')) {
// subscribe with id parameter
$feedId = $this->getRequest()->getParam('feedId');
$feed = $this->feeds->get($feedId);
// if feed exists and user can register
if ($feed && !$this->portal->get($userId, $feedId)) {
$row = $this->portal->createRow(array('user_id' => $userId, 'feed_id' => $feedId));
$row->save();
}
if ($this->getRequest()->isXmlHttpRequest()) {
if ($row) {
$this->view->status = "Added";
} else {
// error
$this->view->status = "Failed";
}
return;
} else {
$this->_helper->getHelper('Redirector')->goto('subscribe', null, null, array('feedId' => $feed['group_id'], 'subscribe' => true));
}
}
$groupId = (int) $this->getRequest()->getParam('feedId');
if (!$groupId) {
$groupId = Feeds::ROOT_GROUP_ID;
}
// get all groups
$this->view->groups = $this->feeds->listGroups($groupId);
if ($this->view->groups === null) {
// TODO: handle error - problems in group
$this->gotoDefault();
}
// get predessecors
$this->view->parents = $this->feeds->listParents($groupId);
if ($this->view->parents === null) {
// TODO: handle error - cyclic parents
$this->gotoDefault();
}
// get feeds
$this->view->feeds = $this->feeds->listFeeds($groupId);
// check if already subscribed
$this->view->subscription = array();
foreach ($this->view->feeds as $feed) {
$id = $feed['id'];
$this->view->subscription[$id] = $this->portal->get($userId, $id) === null;
}
// user's identity
$this->view->user = $identity;
// the current group
$this->view->groupId = $groupId;
}