Files

46 lines
1.9 KiB
Python

import uuid
from datetime import datetime
from sqlalchemy import Boolean, CheckConstraint, DateTime, ForeignKey, Index, Integer, String
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.orm import Mapped, mapped_column
from app.core.db import Base
from app.models.mixins import TimestampMixin, UUIDPrimaryKeyMixin
BOOKING_STATUSES = ("reserved", "active", "returned", "cancelled", "blocked")
class Booking(UUIDPrimaryKeyMixin, TimestampMixin, Base):
__tablename__ = "bookings"
__table_args__ = (
CheckConstraint(
"status IN ('reserved','active','returned','cancelled','blocked')",
name="ck_bookings_status",
),
CheckConstraint("ends_at > starts_at", name="ck_bookings_time_window"),
CheckConstraint(
"start_odometer_km IS NULL OR start_odometer_km >= 0",
name="ck_bookings_start_odometer",
),
CheckConstraint(
"end_odometer_km IS NULL OR end_odometer_km >= 0",
name="ck_bookings_end_odometer",
),
Index("ix_bookings_vehicle_status_window", "vehicle_id", "status", "starts_at", "ends_at"),
)
public_ref: Mapped[str] = mapped_column(String(20), unique=True, nullable=False)
customer_id: Mapped[uuid.UUID] = mapped_column(
UUID(as_uuid=True), ForeignKey("customers.id"), nullable=False
)
vehicle_id: Mapped[uuid.UUID] = mapped_column(
UUID(as_uuid=True), ForeignKey("vehicles.id"), nullable=False
)
starts_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
ends_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False)
status: Mapped[str] = mapped_column(String(20), nullable=False)
start_odometer_km: Mapped[int | None] = mapped_column(Integer)
end_odometer_km: Mapped[int | None] = mapped_column(Integer)
requirements_complete: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)