From 1e99f9eb95163447fedd869cf8661c0ad01a28bf Mon Sep 17 00:00:00 2001
From: "Hugh A. Miles II" <hughmil3s@gmail.com>
Date: Thu, 15 Feb 2018 13:43:58 -0800
Subject: [PATCH] Added check cache key util (#4432)

* added check cache key util

* change docstring

* add has_access_api decorator
---
 superset/views/core.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/superset/views/core.py b/superset/views/core.py
index 26c9e80b67..5b67a7e10b 100755
--- a/superset/views/core.py
+++ b/superset/views/core.py
@@ -2221,6 +2221,16 @@ class Superset(BaseSupersetView):
             return resp
         return 'nope'
 
+    @has_access_api
+    @expose('/cache_key_exist/<key>/')
+    @log_this
+    def cache_key_exist(self, key):
+        """Returns if a key from cache exist"""
+        key_exist = True if cache.get(key) else False
+        status = 200 if key_exist else 404
+        return json_success(json.dumps({'key_exist': key_exist}),
+                            status=status)
+
     @has_access_api
     @expose('/results/<key>/')
     @log_this