/**
* is holding given Appointment
*
* ToDo: Remove from here as needs knowledge from Appointment
*
* @param Appointment $appointment Appointment to check against
* @return boolean Appointment is held by the Vacancy
*/
public function isHolding(Appointment $appointment)
{
return $appointment->isActive() && $this->start_at <= $appointment->start_at && $this->finish_at >= $appointment->finish_at && $this->service_id == $appointment->service_id && $this->business_id == $appointment->business_id;
}
