crappy

models/deal.py

@@ -33,7 +33,7 @@ class Deal(BaseModel):
     is_completed = Column(Boolean, nullable=False, server_default='0', default=False, comment='Завершена')
 
     services = relationship('DealService', back_populates='deal')
-
+    products = relationship('DealProduct', back_populates='deal')
 
 class DealStatusHistory(BaseModel):
     __tablename__ = 'deals_status_history'

models/secondary.py

@@ -13,3 +13,15 @@ class DealService(BaseModel):
     service = relationship('Service')
 
     quantity = Column(Integer, nullable=False, comment='Кол-во услуги')
+
+
+class DealProduct(BaseModel):
+    __tablename__ = 'deal_products'
+    deal_id = Column(Integer, ForeignKey('deals.id'), nullable=False, comment='ID Сделки', primary_key=True)
+    deal = relationship('Deal', back_populates='products')
+
+    product_id = Column(Integer, ForeignKey('products.id'), nullable=False, comment='ID Продукта', primary_key=True)
+    product = relationship('Product')
+
+    quantity = Column(Integer, nullable=False, comment='Кол-во продукта')
+