Module: Cache

Included in:
Rambo::Controller
Defined in:
lib/rambo/controller/cache.rb

Instance Method Summary collapse

Instance Method Details

#fresh?(model, options = {}) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rambo/controller/cache.rb', line 2

def fresh?(model, options={})
  @@etags ||= {}
  etag = Digest::SHA1.hexdigest(model.inspect)
  response.header['ETag'] = "\"#{etag}\""
  response.header['Expires'] = (MooTime.now + options[:expires_in]).httpdate if options[:expires_in]
  response.header['Cache-Control'] = 'public'
  if @@etags[request.uri] == etag
    response.status = 304
    response.body = ''
    return true
  else
    @@etags[request.uri] = etag
    return false
  end
end