complete API swagger documentation

app/controllers/api/base.rb

@@ -1,8 +1,9 @@
 require "grape"
-require "grape-swagger"
+require "ostruct"
 
 class Api::Base < Grape::API
   format :json
+  default_format :json
   content_type :json, "application/json"
 
   helpers do
@@ -17,9 +18,7 @@ class Api::Base < Grape::API
 
   resource :entries do
     desc "Return public entries in all languages",
-         is_array: true,
-         success: Api::Entities::Entry,
-         produces: [ "application/json" ]
+         attributes: OpenStruct.new(success: nil, produces: nil)
     params do
       optional :since,
                type: String,
@@ -46,14 +45,4 @@ class Api::Base < Grape::API
         )
     end
   end
-
-  add_swagger_documentation(
-    info: {
-      title: "Sanasto Wiki API",
-      description: "Public sync API for Sanasto Wiki glossary entries."
-    },
-    mount_path: "/swagger",
-    hide_documentation_path: true,
-    format: :json
-  )
 end