尝试大改，可读性有点差的版本，基本做到能实时处理弹幕

messages/base.py

@@ -1,6 +1,5 @@
 import traceback
 from datetime import datetime
-from store.mongo import MongoStore
 
 from config.helper import config
 
@@ -13,55 +12,13 @@ class Base:
 
     def extra_info(self):
         return dict()
-        
+
     def user(self):
         if(hasattr(self.instance, 'user')):
             return self.instance.user
-        
+
         return None
 
-    def persists(self):
-        if config()['mongo']['enabled'] != 'on':
-            return
-
-        try:
-            store = MongoStore()
-
-            user = self.user()
-            if user is not None:
-                store.set_collection('user')
-
-                if not store.exists({'id': user.id}):
-                    store.insert_one({
-                        'id': user.id,
-                        'shortId': user.shortId,
-                        'nickname': user.nickname,
-                        'gender': user.gender
-                    })
-
-            store.set_collection(self.instance.common.method)
-            msg = {
-                "msgId": self.instance.common.msgId,
-                "roomId": self.instance.common.roomId,
-                'content': self.format_content(),
-                'created_at': datetime.today().replace(microsecond=0)
-            }
-
-            if user is not None:
-                msg.update({
-                    'userId': user.id
-                })
-
-            if len(self.extra_info()):
-                msg.update(self.extra_info())
-
-            store.insert_one(msg)
-        except Exception as e:
-            print(self.instance.common.method + ' persists error')
-            print(traceback.format_exc())
-        finally:
-            store.close()
-
     def __str__(self):
         pass