Class: CatFacts::Middleware

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

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/cat_facts/middleware.rb', line 4

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/cat_facts/middleware.rb', line 8

def call(env)
  request = Rack::Request.new(env)
  status, headers, response = @app.call(env)

  if wants_cat_fact?(request)
    headers["X-Cat-Fact"] = CatFacts::Library.random_cat_fact
  end

  [status, headers, response]
end