isDeleted()) { return false; } return true; } function canBeModifiedBy(User $user): bool { if(method_exists($this, "isCreatedBySystem")) if($this->isCreatedBySystem()) return false; if($this->getRecord()->owner > 0) return $this->getRecord()->owner === $user->getId(); else return $this->getOwner()->canBeModifiedBy($user); } }