Merge branch 'refactor/backend-architecture' into development

api/app/features/payment/models.py

@@ -0,0 +1,23 @@
+from sqlalchemy import Column, DateTime, ForeignKey, Integer, String
+from sqlalchemy.orm import relationship
+
+from app.core.db import Base, utc_now
+
+
+class Order(Base):
+    __tablename__ = "orders"
+
+    id = Column(String, primary_key=True)
+    user_id = Column(String, ForeignKey("users.id"), nullable=False, index=True)
+    plan_id = Column(String, nullable=False)
+    plan_name = Column(String, nullable=False)
+    amount = Column(Integer, nullable=False)
+    currency = Column(String, default="CNY")
+    payment_method = Column(String, nullable=False)
+    status = Column(String, default="pending")
+    trade_no = Column(String, nullable=True, index=True)
+    paid_at = Column(DateTime(timezone=True), nullable=True)
+    created_at = Column(DateTime(timezone=True), default=utc_now)
+    expired_at = Column(DateTime(timezone=True), nullable=True)
+
+    user = relationship("User", back_populates="orders")