Class: Goliath::Rack::Cache

Inherits:
Object
  • Object
show all
Includes:
AsyncMiddleware
Defined in:
lib/grass/goliath/rack/cache.rb

Instance Method Summary collapse

Instance Method Details

#post_process(env, status, headers, body) ⇒ Object 



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# File 'lib/grass/goliath/rack/cache.rb', line 11

def post_process(env, status, headers, body)
  if body.is_a?(String) && (Grass.env == "production" || env.config['enable_cache_for_development'])
    # Generate ETag for body
    etag = etag_for(body)
    
    # Add ETag header
    headers['ETag'] = etag
    
    # Response with status 304 without body
    if env['HTTP_IF_NONE_MATCH'] == etag
      status = 304
      body = nil
    end
  end
  [status,headers,body]
end