botón de estadísticas más arriba

app/controllers/posts_controller.rb

@@ -35,6 +35,8 @@ class PostsController < ApplicationController
 
     # Filtrar los posts que les invitades no pueden ver
     @usuarie = site.usuarie? current_usuarie
+
+    @site_stat = SiteStat.new(site)
   end
 
   def show

app/views/posts/index.haml

@@ -15,15 +15,15 @@
           - else
             %td= link_to t('posts.filter'), site_posts_path(@site, **@filter_params.merge(layout: layout.value)), class: 'btn btn-secondary btn-sm'
 
+    - if policy(@site_stat).index?
+      = link_to t('stats.index.title'), site_stats_path(@site), class: 'btn'
+
     - if policy(@site).edit?
       = link_to t('sites.edit.btn', site: @site.title), edit_site_path(@site), class: 'btn'
 
     - if policy(@site).private?
       = link_to t('sites.private'), '../private/' + @site.name, class: 'btn', target: '_blank', rel: 'noopener'
 
-    - if policy(SiteStat.new(@site)).index?
-      = link_to t('stats.index.title'), site_stats_path(@site), class: 'btn'
-
     - if policy(SiteUsuarie.new(@site, current_usuarie)).index?
       = render 'layouts/btn_with_tooltip',
         tooltip: t('usuaries.index.help.self'),