Method doing multiple things

method-doing-multiple-things

public Slot makeAppointment(Doctor d, Hospital h, Patient p, Date startTime, Date endTime) throws Exception {
    // Check if hospital is open during this time period
    String hospitalServiceBaseUrl = ConfigReader.readConfigName("hospitalServiceBaseUrl");
    HospitalService hospitalService = new HospitalService(hospitalServiceBaseUrl);
    DateRange range = hospitalService.getWorkingHours();
    if (!range.contains(startTime) || !range.contains(endTime)) {
        throw new Exception("Hospital isn't open in this time period");
    }
    // Check if doctor has no other appointment in this time period
    String scheduleServiceBaseUrl = ConfigReader.readConfigName("scheduleServiceBaseUrl");
    ScheduleSerivce scheduleService = new ScheduleService(scheduleServiceBaseUrl);
    Slot s = scheduleService.getAppointmentSlots(d).stream()
                .filter(slot -> !slot.isOccupied()) // Only consider free slots
                .filter(slot -> slot.contains(startTime) && slot.contains(endTime)) // Only consider slots which contain this time period
                .findFirst();
    // Create the appointment
    s.setIsOccupied(true);
    Slot bookedSlot = scheduleService.bookSlot(d, p, s);
    // Notify doctor using custom email template
    DoctorEmailTemplate doctorEmailTemplate = new DoctorEmailTemplate(d, p, bookedSlot);
    notificationService.notify(d, doctorEmailTemplate);
    // Notify patient using custom email template
    PatientEmailTemplate patientEmailTemplate = new PatientEmailTemplate(d, p, bookedSlot);
    notificationService.notify(p, patientEmailTemplate);

    return bookedSlot;
}