app/controllers/organizers/omniauth_callbacks_controller.rb
class Organizers::OmniauthCallbacksController < Devise::OmniauthCallbacksController
def twitter
organizer = Organizer.from_omniauth(request.env['omniauth.auth'])
if organizer.save
sign_in organizer
if organizer.admin?
redirect_to rails_admin.dashboard_path
else
redirect_to new_conference_listing_path(organizer.conference)
end
else
redirect_to root_path, alert: t('devise.omniauth_callbacks.failure',
kind: 'Twitter',
reason: t('devise.omniauth_callbacks.not_followed')
)
end
end
end