Rails partial for render flashes with Bootstrap classes, Font Awesome icons and autoclose

_flashes.html.erb

<% if !flash.blank? %>
  <% if flash[:notice] %>
    <div class="alert alert-success auto_close">
      <div aria-hidden="true" class="close" data-dismiss="alert">
        <div class="fa fa-times"></div>
      </div>
      <div class="fa fa-check"></div>
      <%= raw flash[:notice] %>
    </div>
  <% end %>
  <% if flash[:alert] %>
    <div class="alert alert-warning auto_close">
      <div aria-hidden="true" class="close" data-dismiss="alert">
        <div class="fa fa-times"></div>
      </div>
      <div class="fa fa-check"></div>
      <%= raw flash[:alert] %>
    </div>
  <% end %>
  <% if flash[:error] %>
    <div class="alert alert-danger auto_close">
      <div aria-hidden="true" class="close" data-dismiss="alert">
        <div class="fa fa-times"></div>
      </div>
      <div class="fa fa-check"></div>
      <%= raw flash[:error] %>
    </div>
  <% end %>
  <% if flash[:application] %>
    <% for fl in flash[:application] %>
      <% case fl['type'] %>
        <% when 'info' %>
          <div class="alert alert-info auto_close">
            <div aria-hidden="true" class="close" data-dismiss="alert">
              <div class="fa fa-times"></div>
            </div>
            <div class="fa fa-info-circle"></div>
            <%= raw fl['message'] %>
          </div>
        <% when 'warning' %>
          <div class="alert alert-warning auto_close">
            <div aria-hidden="true" class="close" data-dismiss="alert">
              <div class="fa fa-times"></div>
            </div>
            <div class="fa fa-bullseye"></div>
            <%= raw fl['message'] %>
          </div>
        <% when 'success' %>
          <div class="alert alert-success auto_close">
            <div aria-hidden="true" class="close" data-dismiss="alert">
              <div class="fa fa-times"></div>
            </div>
            <div class="fa fa-check"></div>
            <%= raw fl['message'] %>
          </div>
        <% when 'danger' %>
          <div class="alert alert-danger">
            <div aria-hidden="true" class="close" data-dismiss="alert">
              <div class="fa fa-times"></div>
            </div>
            <div class="fa fa-hand-o-right"></div>
            <%= raw fl['message'] %>
          </div>
      <% end %>
    <% end %>
  <% end %>
  <% flash.discard %>
  <script>
    
    $.each($('.alert.auto_close'),function(k,v){
      setTimeout(function(){v.remove()}, 8000);
    });

  </script>
<% end %>