update logic

search/views/tag.py

@@ -149,26 +149,17 @@ def choice_pictorial_push_tag(device_id, user_id):
 def get_lintags_by_user_id(user_id):
     try:
         devices = AccountRegExtra.objects.filter(user_id=user_id, is_online=True, is_deleted=False).values_list("device_id", flat=True)
-        print(devices)
         if devices:
             linucb_recommend_redis_prefix = "physical:linucb:tag_recommend:device_id:"
             device_id = devices[0]
             redis_key = linucb_recommend_redis_prefix + str(device_id)
-            print(redis_key)
-            print(redis_client.info)
-            try:
-                tag_data = redis_client.get(redis_key)
+            tag_data = redis_client.get(redis_key)
+            lintags = []
+            if tag_data is None:
                 lintags = []
-                if tag_data is None:
-                    lintags = []
-                else:
-                    lintags = json.loads(str(tag_data, encoding="utf-8"))
-                print(lintags)
-                print("=====")
-            except Exception as e:
-                print(e)
-                print("error!!")
-            return {"lin_tag_list": tag_list}
+            else:
+                lintags = json.loads(str(tag_data, encoding="utf-8"))
+            return {"lin_tag_list": lintags[:3]}
         return {"lin_tag_list": []}
     except Exception as e:
         logging.error("catch exception,err_msg:%s" % traceback.format_exc())