class Doorkeeper::AuthorizationsController

def authorization
  @authorization ||= Doorkeeper::OAuth::AuthorizationRequest.new(current_resource_owner, params)
end

def create
  if authorization.authorize
    redirect_to authorization.success_redirect_uri
  else
    render :error
  end
end

def destroy
  authorization.deny
  redirect_to authorization.invalid_redirect_uri
end

def new
  if authorization.valid?
    if authorization.access_token_exists?
      authorization.authorize
      redirect_to authorization.success_redirect_uri
    end
  else
    render :error
  end
end