/**
* Tell wether a visibility is possible or not for the specified right of a caste
*
* Basic rules are:
* - A friend (or "not a member nor an admin") can be seen by himself only
* - A member must be seen by other members of the group
* - An admin must be seen by other people
*/
private static function rightsVisibilityIsPossible(Rights $rights, Group $visibility)
{
if (is_null($visibility)) {
return true;
}
switch ($visibility->ns()) {
case 'user':
return !$rights->isMe('member') && !$rights->isMe('admin');
case 'binet':
case 'free':
return !$rights->isMe('admin');
case 'study':
return true;
}
return true;
}
