Class: Buttons::Application

Inherits:
Object
  • Object
show all
Includes:
Config
Defined in:
lib/buttons/application.rb

Instance Method Summary collapse

Methods included from Config

#app_root, #app_root=

Constructor Details

#initialize(&block) ⇒ Application

Returns a new instance of Application.



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# File 'lib/buttons/application.rb', line 8

def initialize(&block)
  @router ||= Buttons::Router.new
  @middlewares ||= []
end

Instance Method Details

#add_route(http_method, path, params) ⇒ Object 



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# File 'lib/buttons/application.rb', line 25

def add_route(http_method, path, params)
  @router.add_route(http_method, path, params)
end

#call(environment) ⇒ Object 



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# File 'lib/buttons/application.rb', line 29

def call(environment)
  rack_app = lambda { |env|
    request = ::Rack::Request.new(env)
    response = ::Rack::Response.new
    route = @router.recognize(request)

    if route
      render(request, response, route)
    else
      [404, {"Content-Type" => 'text/plain'}, "not found: #{request.path}\n\n" +
          "All routes: \n#{@router.print_routes}"
      ]
    end
  }

  @middlewares.each do |middleware, options|
    rack_app = if options
      middleware.new(rack_app, options)
    else
      middleware.new(rack_app)
    end
  end

  rack_app.call environment
end

#render(request, response, params) ⇒ Object 



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# File 'lib/buttons/application.rb', line 55

def render(request, response, params)
  button_klass, method_name = params[:button], params[:method]

  response['Content-Type'] = 'text/javascript'
  content = button_klass.new(request).call_method(method_name)
  if conversion = params.delete(:convert)
    content = content.send(conversion)
  end
  response.write(content)

  response.finish
end

#start ⇒ Object 



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# File 'lib/buttons/application.rb', line 17

def start
  unless app_root.nil?
    Dir[app_root('app', '**', '*.rb')].each do |ruby_file|
      require ruby_file
    end
  end
end

#use(middleware, options = nil) ⇒ Object 



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# File 'lib/buttons/application.rb', line 13

def use(middleware, options = nil)
  @middlewares << [middleware, options]
end