RSpec
Ruby on Rails
Ruby
method
fresh_when
v3.0.9 -
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Class: ActionController::ConditionalGet
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- What's this?
= private
= protected
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:
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:etag
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:last_modified
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: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.utc, :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.
