send config files from ConfigsController

1 files changed, 19 insertions, 14 deletions

diff --git a/app/controllers/static_config_controller.rb b/app/controllers/static_config_controller.rb
index 450cbb2..c78e006 100644
--- a/app/controllers/static_config_controller.rb
+++ b/app/controllers/static_config_controller.rb
@@ -2,23 +2,28 @@
 # This controller is responsible for returning some static config files, such as /provider.json
 #
 class StaticConfigController < ActionController::Base
+  include ControllerExtension::JsonFile
 
-  PROVIDER_JSON = File.join(Rails.root, 'config', 'provider', 'provider.json')
+  before_filter :set_minimum_client_version
+  before_filter :set_filename
+  before_filter :fetch_file
+
+  PROVIDER_JSON = Rails.root.join('config', 'provider', 'provider.json')
 
-  #
-  # return the provider.json, ensuring that the header X-Minimum-Client-Version is sent
-  # regardless if a 200 or 304 (not modified) response is sent.
-  #
   def provider
-    response.headers["X-Minimum-Client-Version"] = APP_CONFIG[:minimum_client_version].to_s
-    if File.exists?(PROVIDER_JSON)
-      if stale?(:last_modified => File.mtime(PROVIDER_JSON))
-        response.content_type = 'application/json'
-        render :text => File.read(PROVIDER_JSON)
-      end
-    else
-      render json: {error: 'not found'}, status: 404
-    end
+    send_file
   end
 
+  protected
+
+  # ensure that the header X-Minimum-Client-Version is sent
+  # regardless if a 200 or 304 (not modified) or 404 response is sent.
+  def set_minimum_client_version
+    response.headers["X-Minimum-Client-Version"] =
+      APP_CONFIG[:minimum_client_version].to_s
+  end
+
+  def set_filename
+    @filename = PROVIDER_JSON
+  end
 end