Last Modified
  2013-07-21 01:18:33 +0000
Requires

## Description

Provides conditional get support in Merb core. Conditional get support is intentionally simple and does not do fancy stuff like making ETag value from Ruby objects for you.

The most interesting method for end user is `request_fresh?` that is used after setting of last modification time or ETag:

@example

    def show
      self.etag = Digest::SHA1.hexdigest(calculate_cache_key(params))

      if request_fresh?
        self.status = 304
        return ''
      else
        @product = Product.get(params[:id])
        display @product
      end
    end