70 lines
2.6 KiB
Python
70 lines
2.6 KiB
Python
from sqlalchemy import Column, String, Integer, Float, DateTime, ForeignKey, Enum
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from sqlalchemy.dialects.mysql import DECIMAL
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from sqlalchemy.sql import func
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from pydantic import BaseModel, Field
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from typing import Optional, List
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from datetime import datetime
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from .database import Base
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import enum
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class ProductStatus(str, enum.Enum):
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LISTING = "LISTING" # 上架
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UNLISTING = "UNLISTING" # 下架
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class MerchantProductDB(Base):
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__tablename__ = "merchant_products"
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id = Column(Integer, primary_key=True, autoincrement=True)
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merchant_id = Column(Integer, ForeignKey("merchants.id", ondelete="CASCADE"), index=True)
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name = Column(String(100), nullable=False)
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image_url = Column(String(500), nullable=False)
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product_price = Column(Float, nullable=False) # 原价
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sale_price = Column(Float, nullable=False) # 售价
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settlement_amount = Column(DECIMAL(10,2), nullable=False) # 商家结算金额
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tags = Column(String(200)) # 标签，逗号分隔
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max_deduct_points = Column(DECIMAL(10,2), default=0) # 最高可抵扣积分
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create_time = Column(DateTime(timezone=True), server_default=func.now())
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update_time = Column(DateTime(timezone=True), onupdate=func.now())
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status = Column(Enum(ProductStatus), nullable=False, default=ProductStatus.UNLISTING)
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# Pydantic 模型
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class MerchantProductCreate(BaseModel):
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merchant_id: int
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name: str = Field(..., max_length=100)
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image_url: str = Field(..., max_length=500)
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product_price: float = Field(..., gt=0)
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sale_price: float = Field(..., gt=0)
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settlement_amount: float = Field(..., gt=0)
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tags: str = Field("", max_length=200)
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max_deduct_points: float = Field(0.0, ge=0)
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status: ProductStatus = ProductStatus.UNLISTING
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class MerchantProductUpdate(BaseModel):
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name: Optional[str] = Field(None, max_length=100)
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image_url: Optional[str] = Field(None, max_length=500)
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product_price: Optional[float] = Field(None, gt=0)
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sale_price: Optional[float] = Field(None, gt=0)
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settlement_amount: Optional[float] = Field(None, gt=0)
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tags: Optional[str] = Field(None, max_length=200)
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max_deduct_points: Optional[float] = Field(None, ge=0)
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status: Optional[ProductStatus] = None
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class MerchantProductInfo(BaseModel):
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id: int
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merchant_id: int
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merchant_name: Optional[str] = None # 添加商家名称字段
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name: str
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image_url: str
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product_price: float
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sale_price: float
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settlement_amount: float
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tags: str
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max_deduct_points: float
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create_time: datetime
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update_time: Optional[datetime]
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status: ProductStatus
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class Config:
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from_attributes = True |