修复签到bug

db/sign_in.py

@@ -109,3 +109,20 @@ class SignInDB(BaseDBOperator):
                   wx_id, group_id
                   )
         self.execute_update(sql, params)
+
+    def update_sign_record_with_previous_streak(self, wx_id: str, group_id: str, wx_nick_name: str,
+                                               points_to_add: int, sign_time: datetime, streak: int,
+                                               last_sign_date: datetime, previous_streak: int) -> bool:
+        """更新签到记录，包括上次签到日期和断签前连签天数"""
+        sql = """
+        UPDATE t_sign_record 
+        SET wx_nick_name = %s, points = points + %s, 
+            sign_stat = %s, signin_streak = %s,
+            last_sign_date = %s, previous_streak = %s, update_time = %s
+        WHERE wx_id = %s AND group_id = %s
+        """
+        params = (wx_nick_name, points_to_add,
+                  sign_time, streak,
+                  last_sign_date, previous_streak, datetime.now(),
+                  wx_id, group_id)
+        return self.execute_update(sql, params)