module Scrivito

class WorkspaceSelectionMiddleware
  def initialize(app)
    @app = app
  end

  def call(env)
    Workspace.current = proc do
      editing_context = env[EditingContextMiddleware::ENVKEY]

      if editing_context.authenticated_editor?
        editing_context.visible_workspace
      else
        Workspace.published_with_fallback
      end
    end

    @app.call(env)
  end

  private

  def session(env)
    env[Rack::Session::Abstract::ENV_SESSION_KEY]
  end
end

end # module Scrivito