tap/app/views/users/show.html.erb

<%= render partial: 'flash' %>
<div class="row">
  <div class="user_info">
    <h2>
      <%= @user.full_name %> - <%= @user.nickname %>
      <%= link_to "edit", edit_user_registration_path if current_user == @user %>
    </h2>
    <h4>Balance: <%= euro(@user.balance) %></h4>
  </div>

  <% if @user.orders.any? %>
    <div class="col-md-6">
      <h3>Orders (<%= @user.orders_count %>)</h3>
      <%= render @orders %>
      <%= will_paginate @orders %>
    </div>
  <% end %>

  <div class="col-md-6">
    <h3>Products</h3>
    <%= render partial: "products/product_row", collection: @products, as: :product %>
    <h4>Categories</h4>
    <%= render partial: "products/category", collection: @categories %>
  </div>
</div>