config.ru in grape-swagger-0.20.0

- old
+ new
@@ -4,7 +4,41 @@
     origins '*'
     resource '*', headers: :any, methods: [:get, :post, :put, :delete, :options]
   end
 end
 
-require './api'
-run Api.new
+require 'grape'
+
+require './api/endpoints'
+require './api/entities'
+
+class Base < Grape::API
+  require 'grape-entity'
+  require '../lib/grape-swagger'
+  format :json
+
+  mount Api::Endpoints::Root
+  mount Api::Endpoints::Splines
+  mount Api::Endpoints::FileAccessor
+
+  before do
+    header['Access-Control-Allow-Origin'] = '*'
+    header['Access-Control-Request-Method'] = '*'
+  end
+
+  # global exception handler, used for error notifications
+  rescue_from :all do |e|
+    raise e
+    error_response(message: "Internal server error: #{e}", status: 500)
+  end
+
+  add_swagger_documentation :hide_documentation_path => true,
+                            :api_version => 'v1',
+                            :info => {
+                              title: "Horses and Hussars",
+                              description: "Demo app for dev of grape swagger 2.0"
+                            }
+
+end
+
+
+run Base.new