_wholesale_customer.html.erb

<% if @user.wholesaler? %>
  <h1>Wholesaler</h1>
  <h4 class="wholesale-customer-id"><%= t('wholesale_customer', { :id => @user.id }) %></h4>
  <h4 class="wholesale-customer-id"><%= t('wholesale_customer_since', { :time => @user.wholesaler.created_at }) %></h4>
<% end %>