param_validator.rb in sinatra-swagger-0.2.1

- old
+ new

@@ -4,10 +4,24 @@
   module Swagger
     module ParamValidator
       def self.registered(app)
         app.register Swagger::SwaggerLinked
 
+        app.helpers do
+          def invalid_params(invalidities)
+            content_type :json
+            halt(
+              400,
+              {
+                error: 'invalid_params',
+                developerMessage: 'Some of the given parameters were invalid according to the Swagger spec.',
+                invalidities: invalidities
+              }.to_json
+            )
+          end
+        end
+
         app.before do
           next if swagger_spec.nil?
           _, captures, spec = swagger_spec.values
 
           invalidities = Hash[(spec['parameters'] || []).map { |details|
@@ -43,10 +57,10 @@
             params[param_name] = parameter
 
             nil
           }.compact]
 
-          halt 400, invalidities.to_json if invalidities.any?
+          invalid_params(invalidities) if invalidities.any?
         end
       end
     end
   end
 
\ No newline at end of file