58 lines
2.1 KiB
Python
58 lines
2.1 KiB
Python
# models/database/product.py
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from datetime import datetime
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from sqlalchemy import Boolean, Column, Float, ForeignKey, Index, Integer, String, UniqueConstraint
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from sqlalchemy.orm import relationship
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from app.core.database import Base
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from models.database.base import TimestampMixin
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class Product(Base, TimestampMixin):
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__tablename__ = "products"
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id = Column(Integer, primary_key=True, index=True)
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vendor_id = Column(Integer, ForeignKey("vendors.id"), nullable=False)
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marketplace_product_id = Column(Integer, ForeignKey("marketplace_products.id"), nullable=False)
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# Vendor-specific overrides
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product_id = Column(String) # Vendor's internal SKU
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price = Column(Float)
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sale_price = Column(Float)
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currency = Column(String)
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availability = Column(String)
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condition = Column(String)
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# Vendor-specific metadata
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is_featured = Column(Boolean, default=False)
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is_active = Column(Boolean, default=True)
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display_order = Column(Integer, default=0)
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# Inventory settings
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min_quantity = Column(Integer, default=1)
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max_quantity = Column(Integer)
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# Relationships
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vendor = relationship("Vendor", back_populates="products")
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marketplace_product = relationship("MarketplaceProduct", back_populates="product")
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inventory_entries = relationship("Inventory", back_populates="product", cascade="all, delete-orphan")
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# Constraints
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__table_args__ = (
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UniqueConstraint("vendor_id", "marketplace_product_id", name="uq_product"),
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Index("idx_product_active", "vendor_id", "is_active"),
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Index("idx_product_featured", "vendor_id", "is_featured"),
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)
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def __repr__(self):
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return f"<Product(id={self.id}, vendor_id={self.vendor_id}, product_id='{self.product_id}')>"
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@property
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def total_inventory(self):
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"""Calculate total inventory across all locations."""
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return sum(inv.quantity for inv in self.inventory_entries)
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@property
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def available_inventory(self):
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"""Calculate available inventory (total - reserved)."""
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return sum(inv.available_quantity for inv in self.inventory_entries)
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