Class: Workarea::ApplicationMiddleware

Inherits:
Object
  • Object
show all
Defined in:
app/middleware/workarea/application_middleware.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ ApplicationMiddleware

Returns a new instance of ApplicationMiddleware.



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# File 'app/middleware/workarea/application_middleware.rb', line 3

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'app/middleware/workarea/application_middleware.rb', line 7

def call(env)
  request = Rack::Request.new(env)
  return @app.call(env) if request.path =~ /(jpe?g|png|ico|gif|css|js|svg)$/

  setup_environment(env, request)
  set_segment_request_headers(env)
  status, headers, body = @app.call(env)
  set_segment_response_headers(env, headers)

  [status, headers, body]
end

#set_segment_request_headers(env) ⇒ Object 



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# File 'app/middleware/workarea/application_middleware.rb', line 26

def set_segment_request_headers(env)
  env['HTTP_X_WORKAREA_SEGMENTS'] = normalize_segment_ids(env['workarea.visit'])
end

#set_segment_response_headers(env, headers) ⇒ Object 



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# File 'app/middleware/workarea/application_middleware.rb', line 30

def set_segment_response_headers(env, headers)
  headers['X-Workarea-Segments'] = normalize_segment_ids(env['workarea.visit'])

  if headers['X-Workarea-Segmented-Content'] == 'true'
    headers['Cache-Control'] = 'private, no-cache, max-age=0'
  end
end

#setup_environment(env, request) ⇒ Object 



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# File 'app/middleware/workarea/application_middleware.rb', line 19

def setup_environment(env, request)
  env['workarea.visit'] = Visit.new(env)
  env['workarea.cache_varies'] = Cache::Varies.new(env['workarea.visit']).to_s
  env['rack-cache.cache_key'] = Cache::RackCacheKey
  env['rack-cache.force-pass'] = env['workarea.visit'].admin?
end