/**
* Current user is going to follow (add as buddy) the given user, who could
* also be an external contact.
*/
public function follow_user_action()
{
if (!$GLOBALS['perm']->have_perm("autor")) {
throw new AccessDeniedException();
}
if (Request::get("external_contact")) {
$user = BlubberExternalContact::find(Request::option("user_id"));
} else {
$user = new BlubberUser(Request::option("user_id"));
}
if (!$user->isNew()) {
if (is_a($user, "BlubberExternalContact")) {
$statement = DBManager::get()->prepare("INSERT IGNORE INTO blubber_follower " . "SET studip_user_id = :user_id, " . "external_contact_id = :contact_id, " . "left_follows_right = '1' " . "");
$success = $statement->execute(array('user_id' => $GLOBALS['user']->id, 'contact_id' => $user->getId()));
if ($success) {
NotificationCenter::postNotification('BlubberExternalContactDidAdd', $user);
}
} else {
Contact::import(array('owner_id' => User::findCurrent()->id, 'user_id' => $user->id))->store();
}
}
$this->render_json(array('success' => 1, 'message' => (string) MessageBox::success(_("Kontakt hinzugefügt"))));
}
/**
* Returns all known users that have been sharing this thread.
* @return array of \BlubberContact
*/
public function getSharingUsers()
{
if ($this['context_type'] !== "public") {
return array();
}
$get_shares = DBManager::get()->prepare("SELECT * FROM blubber_reshares WHERE topic_id = ? " . "");
$get_shares->execute(array($this['root_id']));
$shares = $get_shares->fetchAll(PDO::FETCH_ASSOC);
$users = array();
foreach ($shares as $share) {
$users[] = $share['external_contact'] ? BlubberExternalContact::find($share['user_id']) : BlubberUser::find($share['user_id']);
}
return $users;
}
