Fix coding standards in application

app/controllers/api/application_controller.rb

@@ -1,26 +1,28 @@
-class API::ApplicationController < ApplicationController
-  skip_before_filter :verify_authenticity_token
-  skip_before_filter :authenticate!, only: [:cor_preflight]
+module API
+  class ApplicationController < ::ApplicationController
+    skip_before_filter :verify_authenticity_token
+    skip_before_filter :authenticate!, only: [:cor_preflight]
 
-  before_filter :cor_filter
+    before_filter :cor_filter
 
-  def cor_filter
-    headers['Access-Control-Allow-Origin'] = request.headers['Origin'] ?
-      request.headers['Origin'] :
-      ''
-    headers['Access-Control-Allow-Credentials'] = 'true'
-    headers['Access-Control-Expose-Headers'] = 'Content-Length'
-  end
+    def cor_filter
+      headers['Access-Control-Allow-Origin'] = request.headers['Origin'] ?
+        request.headers['Origin'] :
+        ''
+      headers['Access-Control-Allow-Credentials'] = 'true'
+      headers['Access-Control-Expose-Headers'] = 'Content-Length'
+    end
 
-  def cor_preflight
-    headers['Access-Control-Allow-Methods'] = 'GET, POST, PUT, DELETE'
-    headers['Access-Control-Allow-Headers'] =
-      'Content-Type, Content-Length, X-Requested-With'
+    def cor_preflight
+      headers['Access-Control-Allow-Methods'] = 'GET, POST, PUT, DELETE'
+      headers['Access-Control-Allow-Headers'] =
+        'Content-Type, Content-Length, X-Requested-With'
 
-    head :ok
-  end
+      head :ok
+    end
 
-  def authenticate!
-    head :unauthorized if current_user.nil?
+    def authenticate!
+      head :unauthorized if current_user.nil?
+    end
   end
 end