84 lines
2.2 KiB
Python
84 lines
2.2 KiB
Python
"""竞品价格模型
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记录竞品机构的项目价格信息
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"""
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from typing import Optional, TYPE_CHECKING
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from decimal import Decimal
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from datetime import date
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from sqlalchemy import BigInteger, String, Date, DECIMAL, ForeignKey
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.models.base import BaseModel
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if TYPE_CHECKING:
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from app.models.competitor import Competitor
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from app.models.project import Project
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class CompetitorPrice(BaseModel):
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"""竞品价格表"""
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__tablename__ = "competitor_prices"
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competitor_id: Mapped[int] = mapped_column(
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BigInteger,
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ForeignKey("competitors.id", ondelete="CASCADE"),
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nullable=False,
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index=True,
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comment="竞品机构ID"
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)
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project_id: Mapped[Optional[int]] = mapped_column(
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BigInteger,
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ForeignKey("projects.id", ondelete="SET NULL"),
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nullable=True,
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index=True,
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comment="关联本店项目ID"
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)
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project_name: Mapped[str] = mapped_column(
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String(100),
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nullable=False,
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comment="竞品项目名称"
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)
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original_price: Mapped[Decimal] = mapped_column(
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DECIMAL(12, 2),
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nullable=False,
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comment="原价"
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)
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promo_price: Mapped[Optional[Decimal]] = mapped_column(
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DECIMAL(12, 2),
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nullable=True,
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comment="促销价"
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)
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member_price: Mapped[Optional[Decimal]] = mapped_column(
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DECIMAL(12, 2),
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nullable=True,
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comment="会员价"
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)
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price_source: Mapped[str] = mapped_column(
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String(20),
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nullable=False,
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comment="来源：official-官网, meituan-美团, dianping-大众点评, survey-实地调研"
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)
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collected_at: Mapped[date] = mapped_column(
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Date,
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nullable=False,
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index=True,
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comment="采集日期"
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)
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remark: Mapped[Optional[str]] = mapped_column(
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String(200),
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nullable=True,
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comment="备注"
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)
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# 关系
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competitor: Mapped["Competitor"] = relationship(
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"Competitor",
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back_populates="prices"
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)
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project: Mapped[Optional["Project"]] = relationship(
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"Project"
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)
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