quitar el filtro

app/views/posts/index.haml

@@ -14,14 +14,15 @@
     %table.mb-3
       - @site.layouts.each do |layout|
         - next if layout.hidden?
+        - filter = params[:layout] == layout.value
         %tr
           %th= layout.humanized_name
           %td.pl-3= link_to t('posts.add'),
             new_site_post_path(@site, layout: layout.name),
             class: 'badge badge-secondary'
-          %td= link_to t('posts.filter'),
-            site_posts_path(@site, layout: layout.value),
-            class: 'badge badge-secondary'
+          %td= link_to t(filter ? 'posts.remove_filter' : 'posts.filter'),
+            site_posts_path(@site, layout: (filter ? nil : layout.value)),
+            class: 'badge badge-' + (filter ? 'primary' : 'secondary')
 
     - if policy(@site).edit?
       = link_to t('sites.edit.btn', site: @site.title), edit_site_path(@site), class: 'btn'

config/locales/en.yml

@@ -490,6 +490,7 @@ en:
     new: 'Post types'
     add: 'Add'
     filter: 'Filter'
+    remove_filter: 'Back'
     categories: 'Everything'
     index: 'Posts'
     edit: 'Edit'

config/locales/es.yml

@@ -504,6 +504,7 @@ es:
     new: 'Tipos de artículos'
     add: 'Agregar'
     filter: 'Filtrar'
+    remove_filter: 'Volver'
     index: 'Artículos'
     edit: 'Editar'
     preview: