las imagenes requeridas solo se pueden reemplazar

app/helpers/application_helper.rb

@@ -92,10 +92,11 @@ module ApplicationHelper
   end
 
   # Busca la traducción de una etiqueta en los metadatos de un post
-  def post_label_t(*attribute, post:)
-    label = post_t(*attribute, post: post, type: :label)
+  def post_label_t(*attribute, post:, **extra)
+    required = extra.key?(:required) ? extra[:required] : post[attribute.first].required
 
-    label += I18n.t('posts.attributes.required.label') if post.send(attribute.first).required
+    label = post_t(*attribute, post: post, type: :label)
+    label += I18n.t('posts.attributes.required.label') if required
 
     label
   end

app/views/posts/attributes/_image.haml

@@ -7,6 +7,8 @@
 
     -# Mantener el valor si no enviamos ninguna imagen
     = hidden_field_tag "#{base}[#{attribute}][path]", metadata.value['path']
+    -# Las imágenes requeridas solo se pueden reemplazar
+    - unless metadata.required
       .custom-control.custom-switch
         = check_box_tag "#{base}[#{attribute}][path]", '', false, id: "#{base}_#{attribute}_destroy", class: 'custom-control-input'
         = label_tag "#{base}_#{attribute}_destroy", t('posts.attributes.image.destroy'), class: 'custom-control-label'
@@ -18,7 +20,7 @@
 
   .custom-file
     = file_field(*field_name_for(base, attribute, :path),
-      **field_options(attribute, metadata),
+      **field_options(attribute, metadata, required: (metadata.required && !metadata.path?)),
       class: "custom-file-input #{invalid(post, attribute)}",
       accept: 'image/*', data: { preview: "#{attribute}-preview" })
     = label_tag "#{base}_#{attribute}_path",
@@ -28,7 +30,7 @@
 
 .form-group
   = label_tag "#{base}_#{attribute}_description",
-    post_label_t(attribute, :description, post: post)
+    post_label_t(attribute, :description, post: post, required: false)
   = text_field(*field_name_for(base, attribute, :description),
     value: metadata.value['description'],
     dir: dir, lang: locale,