# معماری — تسک ۱۰: ماژول نوبت‌دهی

## ساختار فایل‌ها
```
src/Module/Appointment/
├── Controller/
│   └── AppointmentController.php
├── Service/
│   ├── AppointmentService.php
│   └── SlotCalculatorService.php   ← محاسبه اسلات‌های خالی
├── Repository/
│   └── AppointmentRepository.php
├── Entity/
│   └── Appointment.php
├── DTO/
│   ├── Request/
│   │   └── CreateAppointmentRequest.php
│   └── Response/
│       ├── AppointmentResponse.php
│       └── SlotResponse.php
└── Voter/
    └── AppointmentVoter.php
```

## Entity: Appointment
```php
#[ORM\Entity]
#[ORM\Table(name: 'appointments')]
class Appointment
{
    #[ORM\Id, ORM\GeneratedValue, ORM\Column]
    private int $id;

    #[ORM\Column(type: UuidType::NAME, unique: true)]
    private Uuid $uuid;

    #[ORM\ManyToOne(targetEntity: User::class)]
    private User $patient;

    #[ORM\ManyToOne(targetEntity: Doctor::class)]
    private Doctor $doctor;

    #[ORM\Column(type: 'date')]
    private \DateTimeInterface $appointmentDate;

    #[ORM\Column(length: 10)]
    private string $appointmentTime;  // HH:MM

    // pending, confirmed, cancelled, completed
    #[ORM\Column(length: 20, default: 'pending')]
    private string $status;

    #[ORM\Column(length: 30, nullable: true)]
    private ?string $insuranceType;

    #[ORM\Column(type: 'text', nullable: true)]
    private ?string $notes;

    #[ORM\OneToOne(targetEntity: Payment::class, mappedBy: 'appointment')]
    private ?Payment $payment;

    // TimestampableTrait
}
```

## SlotCalculatorService
این سرویس با استفاده از WeeklySchedule، DateOverride و Holiday
اسلات‌های خالی را برای یک دکتر در یک تاریخ مشخص محاسبه می‌کند:
```
calculateAvailableSlots(Doctor $doctor, \DateTimeInterface $date): array
```
