tap/app/views/orders/_user_list.html.erb

<% users.each do |user| %>
    <div class="thumbnail overview">
      <%= link_to image_tag(user.dagschotel.avatar, class: "img-circle dagschotel"), user_quickpay_path(user) unless user.dagschotel.nil? %>
      <%= link_to image_tag(user.avatar , class: "img-circle avatar"), new_user_order_path(user) %>

    <%= link_to user.name , new_user_order_path(user), class: "btn btn-info",
      style: get_color_style(user) %>
  </div>
<% end %>