model = $model; } public function is(string $event): bool { return $this->model->event === $event; } public function actor(): ?Model { return $this->isSystem() ? null : $this->model->actor; } public function isServerEvent() { return Str::startsWith($this->model->event, 'server:'); } public function isSystem() { return is_null($this->model->actor_id); } }