fixbug:调整排行榜写库动作

db/message_storage.py

@@ -51,7 +51,6 @@ class MessageStorageDB(BaseDBOperator):
         """
         return self.execute_query(sql, (date,)) or []
     
-    # 在 MessageStorageDB 类中添加以下方法
     
     def get_speech_ranking(self, date: str, group_id: str, limit: int = 20) -> List[Dict]:
         """获取指定日期和群组的发言排名"""
@@ -66,4 +65,24 @@ class MessageStorageDB(BaseDBOperator):
         """
         params = (date, group_id, limit)
         results = self.execute_query(sql, params)
-        return results or []
+        return results or []
+    
+    def insert_speech_count(self, group_id: str, wx_id: str, date: str, count: int) -> bool:
+        """插入发言统计数据
+        
+        Args:
+            group_id: 群组ID
+            wx_id: 微信ID
+            date: 日期，格式为 YYYY-MM-DD
+            count: 发言计数
+            
+        Returns:
+            是否成功插入
+        """
+        sql = """
+        INSERT INTO speech_counts (group_id, wx_id, date, count) 
+        VALUES (%s, %s, %s, %s)
+        ON DUPLICATE KEY UPDATE count = VALUES(count)
+        """
+        params = (group_id, wx_id, date, count)
+        return self.execute_update(sql, params)