modify expire time

search/views/topic.py

@@ -13,6 +13,7 @@ from libs.cache import redis_client
 from search.utils.common import *
 from libs.es import ESPerform
 from django.conf import settings
+import datetime
 
 
 def get_discover_page_topic_ids(user_id, device_id, size, query_type=TopicPageType.FIND_PAGE):
@@ -193,8 +194,14 @@ def get_home_recommend_topic_ids(user_id, device_id, tag_id, offset, size, query
             "have_read_topic_list": json.dumps(have_read_topic_id_list),
         }
         redis_client.hmset(redis_key, redis_dict)
-        # 每个session key保存60天
-        redis_client.expire(redis_key, 60 * 60 * 24 * 60)
+
+        # 失效时间为第二天凌晨3点
+        if redis_client.ttl(redis_key)<0:
+            today = datetime.datetime.strptime(str(datetime.date.today()), "%Y-%m-%d")
+            tomorrow = today + datetime.timedelta(days=1)
+            nowTime = datetime.datetime.now()
+            expire_time = (tomorrow - nowTime).seconds + 3*60*60
+            redis_client.expire(redis_key, expire_time)
 
         ret_list = rank_topic_id_list if query is None else ret_data_list
         if usefulrecall != -1: