feat(card): 会员功能验证

core/db/models.py

@@ -99,6 +99,9 @@ class User(BaseModel, DateModel):
     def __str__(self):
         return f'{self.user_id}'
 
+    def is_vip(self) -> bool:
+        return self.vip_expire_date >= datetime.now().date()
+
 
 class UserFollows(BaseModel, DateModel):
     __tablename__ = 'system_user_followers'
@@ -303,4 +306,4 @@ chat_participant = Table(
     Column('user_id', Integer, ForeignKey('system_users.user_id'), primary_key=True),
     Column('chat_id', Integer, ForeignKey('system_chats.id'), primary_key=True),
     comment='聊天参与者关联表'
-)
+)