32 lines
1.2 KiB
Python
32 lines
1.2 KiB
Python
"""渠道码：内导（internal）/ 自然（natural）。与产品多对多。"""
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from __future__ import annotations
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from sqlalchemy import Column, ForeignKey, Integer, String, Table
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from sqlalchemy.orm import Mapped, mapped_column
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from app.db.base import Base, TimestampMixin
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product_channel_code = Table(
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"product_channel_code",
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Base.metadata,
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Column("product_id", Integer, ForeignKey("product.id", ondelete="CASCADE"), primary_key=True),
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Column(
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"channel_code_id",
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Integer,
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ForeignKey("channel_code.id", ondelete="CASCADE"),
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primary_key=True,
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),
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)
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class ChannelCode(Base, TimestampMixin):
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__tablename__ = "channel_code"
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id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
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code: Mapped[str] = mapped_column(String(64), nullable=False, unique=True)
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name: Mapped[str] = mapped_column(String(64), nullable=False)
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# INTERNAL / NATURAL
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type: Mapped[str] = mapped_column(String(16), nullable=False, default="INTERNAL")
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description: Mapped[str | None] = mapped_column(String(255), nullable=True)
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status: Mapped[str] = mapped_column(String(16), default="ACTIVE", nullable=False)
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