Update app/db/models.py

app/db/models.py

@@ -66,6 +66,7 @@ class User(Base):
     products = relationship("Product", back_populates="seller")
     orders = relationship("Order", back_populates="customer")
     notifications = relationship("Notification", back_populates="user")
+    sessions = relationship("Session", back_populates="user", cascade="all, delete-orphan")
 
 class Product(Base):
     __tablename__ = "products"
@@ -168,4 +169,18 @@ class Event(Base):
     reminder_sent: Mapped[bool] = mapped_column(Boolean, default=False)
 
     # Relationship
-    user = relationship("User")
+    user = relationship("User")
+
+class Session(Base):
+    __tablename__ = "sessions"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    user_id: Mapped[int] = mapped_column(ForeignKey("users.id"))
+    session_token: Mapped[str] = mapped_column(String, unique=True, index=True)
+    last_activity: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+    expires_at: Mapped[datetime] = mapped_column(DateTime)
+    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
+
+    # Relationship
+    user = relationship("User", back_populates="sessions")