Refactor ejabberd API integration

app/services/rest_api_service.rb

@@ -13,15 +13,17 @@ class RestApiService < ApplicationService
     "#{base_url}/#{path.gsub(/^\//, '')}"
   end
 
+  def parse_responses?
+    true
+  end
+
   def get(path, params = {})
     res = Faraday.get endpoint_url(path), params, headers
-    # TODO handle unsuccessful responses with no valid JSON body
-    JSON.parse(res.body)
+    parse_responses? ? JSON.parse(res.body) : res
   end
 
   def post(path, payload)
     res = Faraday.post endpoint_url(path), payload.to_json, headers
-    # TODO handle unsuccessful responses with no valid JSON body
-    JSON.parse(res.body)
+    parse_responses? ? JSON.parse(res.body) : res
   end
 end