From 2e0f8c2aa5c47fa455b35f30ece0c9c7d2b167f7 Mon Sep 17 00:00:00 2001
From: jules <jules.ivanic@gmail.com>
Date: Wed, 21 Oct 2015 19:42:49 +0200
Subject: [PATCH] Add JSON formatter

---
 lib/grape_logging/formatters/json.rb | 33 ++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 lib/grape_logging/formatters/json.rb

diff --git a/lib/grape_logging/formatters/json.rb b/lib/grape_logging/formatters/json.rb
new file mode 100644
index 0000000..1ea150e
--- /dev/null
+++ b/lib/grape_logging/formatters/json.rb
@@ -0,0 +1,33 @@
+module GrapeLogging
+  module Formatters
+    class Json
+      def call(severity, datetime, _, data)
+        JSON.parse({
+          date: datetime,
+          severity: severity,
+          data: format(data)
+        })
+      end
+
+      private
+
+      def format(data)
+        if data.is_a?(String) || data.is_a?(Hash)
+          data
+        elsif data.is_a?(Exception)
+          format_exception(data)
+        else
+          data.inspect
+        end
+      end
+
+      def format_exception(exception)
+        {
+          exception: {
+            message: exception.message
+          }
+        }
+      end
+    end
+  end
+end