Flowdock
method

fresh_when

Importance_2
v3.1.0 - Show latest stable - 0 notes - Class: ActionController::ConditionalGet
fresh_when(options) public

Sets the etag, last_modified, or both on the response and renders a 304 Not Modified response if the request is already fresh.

Parameters:

  • :etag

  • :last_modified

  • :public By default the Cache-Control header is private, set this to true if you want your application to be cachable by other devices (proxy caches).

Example:

def show
  @article = Article.find(params[:id])
  fresh_when(:etag => @article, :last_modified => @article.created_at, :public => true)
end

This will render the show template if the request isn’t sending a matching etag or If-Modified-Since header and just a 304 Not Modified response if there’s a match.

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