1 files changed, 22 insertions, 0 deletions
diff --git a/app/controllers/controller_extension/json_file.rb b/app/controllers/controller_extension/json_file.rb
new file mode 100644
index 0000000..0cb4b6d
--- /dev/null
+++ b/app/controllers/controller_extension/json_file.rb
@@ -0,0 +1,22 @@
+module ControllerExtension::JsonFile
+  extend ActiveSupport::Concern
+
+  protected
+
+  def send_file
+    if stale?(:last_modified => @file.mtime)
+      response.content_type = 'application/json'
+      render :text => @file.read
+    end
+  end
+
+  def fetch_file
+    if File.exists?(@filename)
+      @file = File.new(@filename)
+    else
+      not_found
+    end
+  end
+
+end
+