Class: Para::IframeTransport::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/para/iframe_transport/middleware.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/para/iframe_transport/middleware.rb', line 6

def initialize(app)
  @app = app
end

Instance Attribute Details

#appObject (readonly)

Returns the value of attribute app.



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# File 'lib/para/iframe_transport/middleware.rb', line 4

def app
  @app
end

Instance Method Details

#call(env) ⇒ Object



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# File 'lib/para/iframe_transport/middleware.rb', line 10

def call(env)
  status, headers, response_body = app.call(env)

  # Build a rails request to allow using its API to analyze the request
  # format and mode
  request = ActionDispatch::Request.new(
    Rails.application.env_config.merge(env)
  )

  # If the request is an Ajax IFrame tranport one, we add a hidden field
  # to the response body to pass response informations that can't be
  # retrieved with headers to the javascript client.
  if matching_request?(request)
    add_status_to_response(request, response_body)
  end

  [status, headers, response_body]
end