/**
* Get the visibility flag associated with a caste.
* This function only works for the session user.
* @return Group associated with the visibility
*/
public function casteVisibility(Caste $caste, Group $visibility = null)
{
if (!$this->isMe(S::user())) {
return null;
}
if ($visibility !== null && self::rightsVisibilityIsPossible($caste->rights(), $visibility)) {
XDB::execute('UPDATE castes_users
SET visibility = {?}
WHERE uid = {?} AND cid = {?}', $visibility->id(), $this->id(), $caste->id());
if ($this->cuvisibility == null) {
$this->cuvisibility = array();
}
$this->cuvisibility[$caste->id()] = $visibility;
}
return empty($this->cuvisibility[$caste->id()]) ? null : $this->cuvisibility[$caste->id()];
}
