46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
from __future__ import annotations
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from datetime import datetime, timezone
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from decimal import Decimal
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from enum import Enum
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from sqlalchemy import CheckConstraint, DateTime, Enum as SqlEnum, ForeignKey, Numeric
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.models.base import Base
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class OrderStatusEnum(str, Enum):
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pending = "pending"
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paid = "paid"
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class Order(Base):
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__tablename__ = "orders"
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__table_args__ = (
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CheckConstraint("total_amount >= 0", name="ck_orders_total_amount_non_negative"),
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)
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id: Mapped[int] = mapped_column(primary_key=True)
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user_id: Mapped[int] = mapped_column(ForeignKey("users.id"), nullable=False, index=True)
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total_amount: Mapped[Decimal] = mapped_column(Numeric(10, 2), nullable=False)
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status: Mapped[OrderStatusEnum] = mapped_column(
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SqlEnum(OrderStatusEnum, native_enum=False),
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default=OrderStatusEnum.pending,
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nullable=False,
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)
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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default=lambda: datetime.now(timezone.utc),
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nullable=False,
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)
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paid_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
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user = relationship("User", back_populates="orders")
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items = relationship(
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"OrderItem",
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back_populates="order",
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cascade="all, delete-orphan",
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lazy="selectin",
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)
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