Add Order model

models/order.py

@@ -0,0 +1,22 @@
+from sqlalchemy import Column, String, Integer, DateTime, ForeignKey, Numeric
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+from core.database import Base
+import uuid
+
+class Order(Base):
+    __tablename__ = "orders"
+    
+    id = Column(String, primary_key=True, default=lambda: str(uuid.uuid4()))
+    order_number = Column(String, unique=True, nullable=False, index=True)
+    customer_id = Column(String, ForeignKey("users.id"), nullable=False)
+    total_amount = Column(Numeric(10, 2), nullable=False)
+    status = Column(String, nullable=False, default="pending")
+    shipping_address = Column(String, nullable=False)
+    payment_status = Column(String, nullable=False, default="unpaid")
+    
+    created_at = Column(DateTime, default=func.now())
+    updated_at = Column(DateTime, default=func.now(), onupdate=func.now())
+    
+    customer = relationship("User", back_populates="orders")
+    order_items = relationship("OrderItem", back_populates="order", cascade="all, delete-orphan")