From 918cba5c2d56c4a2befb43bf8355865fb3f81ba3 Mon Sep 17 00:00:00 2001
From: jules <jules.ivanic@gmail.com>
Date: Mon, 26 Oct 2015 11:05:54 +0100
Subject: [PATCH] response.body is sometimes too strange to be parse by JSON

---
 lib/grape_logging/loggers/response.rb | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/lib/grape_logging/loggers/response.rb b/lib/grape_logging/loggers/response.rb
index e16d404..ae45e3d 100644
--- a/lib/grape_logging/loggers/response.rb
+++ b/lib/grape_logging/loggers/response.rb
@@ -3,9 +3,21 @@ module GrapeLogging
     class Response < GrapeLogging::Loggers::Base
       def parameters(request, response)
         {
-          response: response.body
+          response: serialized_response_body(response)
         }
       end
+
+      private
+      # In some cases, response.body is not parseable by JSON.
+      # For example, if you POST on a PUT endpoint, response.body is egal to """".
+      # It's strange but it's the Grape behavior...
+      def serialized_response_body(response)
+        begin
+          response.body.map{ |body| JSON.parse(body) }
+        rescue => e
+          ""
+        end
+      end
     end
   end
 end