public function byID($id)
{
$item = parent::byID($id);
if (!$item) {
return $item;
}
if ($item->hasExtension('Restrictable') && $item->checkPerm($this->requiredPermission)) {
return $item;
} elseif ($item->canView()) {
return $item;
}
}
/**
* Determine if the given member belongs to the given relation.
*
* @param Member $member
* @param DataList $relation
*
* @return bool
*/
protected function isMemberOf($member, $relation)
{
if (!$member || !$member->exists()) {
return false;
}
if ($relation instanceof UnsavedRelationList) {
return in_array($member->ID, $relation->getIDList());
}
return $relation->byID($member->ID) !== null;
}
/**
* @param int $id the id of an data object
* @return DataObject the data object with the given id
*/
public function byID($id)
{
return $this->cache($id, function () use($id) {
return parent::byID($id);
});
}