app/controllers/spree/admin/authentication_methods_controller.rb
module Spree
module Admin
class AuthenticationMethodsController < ResourceController
create.after :update_oauth_method
update.after :update_oauth_method
private
def update_oauth_method
auth_method = params[:authentication_method]
return unless auth_method[:active] == 'true' && auth_method[:environment] == ::Rails.env
Devise.setup do |config|
config.omniauth auth_method[:provider], auth_method[:api_key], auth_method[:api_secret]
end
end
end
end
end