Class: Debugbar::TrackCurrentRequest

Inherits:
Object
  • Object
show all
Defined in:
lib/debugbar/middlewares/track_current_request.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ TrackCurrentRequest

Returns a new instance of TrackCurrentRequest.



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# File 'lib/debugbar/middlewares/track_current_request.rb', line 3

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/debugbar/middlewares/track_current_request.rb', line 7

def call(env)
  # we don't check if debugbar is enabled because this middleware is only added when it is

  # Set `ignore` attribute to reuse it anywhere
  Debugbar::Current.ignore = Debugbar.config.ignore_request?(env)

  return @app.call(env) if Debugbar::Current.ignore?

  req_id = SecureRandom.uuid
  Debugbar::Current.new_request!(req_id)

  status, headers, body = @app.call(env)

  # TODO: Remove this if statement?
  # We check meta because the frontend doesn't support request without meta yet.
  # It might happen with ActionController::Live where the following code
  # will run BEFORE ActionControllerEventSubscriber.process_action is called
  if Debugbar::Current.request&.meta
    RequestBuffer.push(Debugbar::Current.pop_request!)

    # TODO: Refactor since not having ActionCable might be more common than I thought
    if defined?(ActionCable)
      ActionCable.server.broadcast("debugbar_channel", RequestBuffer.to_h)
    end
  end

  # We can't use Rails.application.url_helper here because 1. we have to set up manually the hosts, 2. the route I
  # want is inside the engine routes and I didn't manage to access them via the helper
  headers["X-Debugbar-Url"] = "#{ActionDispatch::Request.new(env).base_url}#{Debugbar.config.prefix}/get/#{req_id}"

  [status, headers, body]
end