omniauth_callbacks_controller.rb

class OmniauthCallbacksController < Devise::OmniauthCallbacksController
  def google_oauth2
    auth = request.env['omniauth.auth']
    manager = Manager.where(provider: auth['provider'], uid: auth['uid'])
                     .first_or_initialize(email: auth['info']['email'])

    manager.first_name = auth['info']['first_name']
    manager.last_name = auth['info']['last_name']
    manager.save!

    manager.remember_me = true
    sign_in(:manager, manager)

    Salesforce::LinkManagerJob.perform_later(manager.id) unless manager.salesforce_user_id

    redirect_to manage_learners_path
  end
end