title: Only logged in users should be able to view product in WooCommerce
body: <p>I want to restrict WooCommerce products, shop page and category pages to logged in users only.</p>
  <p>I do not want to achieve it with any plugin.</p>
  <p>Please let me know if anybody done it before with any hook/filter/action.</p>
  <p>Or I have to make WooCommerce template pages and add condition over there.</p>