You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: email_signups_controller.rb
    path of file: ./repos/workarea/storefront/app/controllers/workarea/storefront
    
    the code of the file until where you have to start completion: module Workarea
  class Storefront::EmailSignupsController < Storefront::ApplicationController
    def show
      @content = Storefront::EmailSignupsViewModel.new
    end

    def create
      signup = Email.signup(params[:email])

      if 
    
    def create
      signup = Email.signup(params[:email])

      if invalid_recaptcha?(action: 'email_signup')
        redirect_back fallback_location: root_path
      elsif signup.try(:valid?)
        update_tracking!(email: signup.email)
        flash[:success] = t('workarea.storefront.flash_messages.email_signed_up')
      else
        flash[:error] = t('workarea.storefront.flash_messages.email_signup_error')
      end