konsento/konsento

class SessionsController < Clearance::SessionsController
  skip_before_action :offer_login, only: [:create_from_omniauth]

  def create_from_omniauth
    auth_hash = request.env['omniauth.auth']

    authentication =
      Authentication.find_by_provider_and_uid(
        auth_hash['provider'], auth_hash['uid']
      ) || Authentication.create_with_omniauth(auth_hash)

    if authentication.user
      user = authentication.user
      authentication.update_token(auth_hash)
    else
      user = User.find_by(email: auth_hash['extra']['raw_info']['email'])

      if user
        user.authentications << authentication
      else
        user = User.create_with_auth_and_hash(authentication, auth_hash)
      end
    end

    sign_in(user)
    redirect_to root_url
  end

  private
  def url_after_create
    cookies[:referer_url] ? cookies[:referer_url] : root_path
  end
end