Fix refresh having a empty body (#19, #20)

Author: mrkamel

.github/workflows/test.yml

@@ -11,7 +11,7 @@ jobs:
         - elasticsearch:5.4
         - docker.elastic.co/elasticsearch/elasticsearch:6.7.0
         - docker.elastic.co/elasticsearch/elasticsearch:7.0.0
-        - docker.elastic.co/elasticsearch/elasticsearch:7.9.0
+        - docker.elastic.co/elasticsearch/elasticsearch:7.11.2
         ruby:
         - 2.5
         - 2.6

CHANGELOG.md

@@ -1,6 +1,10 @@
 
 # CHANGELOG
 
+## v3.2.1
+
+* Fix `refresh` having a empty body breaking in elasticsearch 7.11
+
 ## v3.2.0
 
 * Fix `index_scope` not being passed in `each_record` without block

lib/search_flip/connection.rb

@@ -272,7 +272,7 @@ def get_index_settings(index_name)
     # @return [Boolean] Returns true or raises SearchFlip::ResponseError
 
     def refresh(index_names = nil)
-      http_client.post("#{index_names ? index_url(Array(index_names).join(",")) : base_url}/_refresh", json: {})
+      http_client.post("#{index_names ? index_url(Array(index_names).join(",")) : base_url}/_refresh")
 
       true
     end

lib/search_flip/version.rb

@@ -1,3 +1,3 @@
 module SearchFlip
-  VERSION = "3.2.0"
+  VERSION = "3.2.1"
 end