feat: poder configurar la fecha por defecto #17333

app/models/metadata_date.rb

@@ -1,8 +1,25 @@
 # frozen_string_literal: true
 
 class MetadataDate < MetadataTemplate
+  # La fecha de hoy si no hay nada
+  #
+  # @return [Date,nil]
   def default_value
-    Date.today
+    case (dv = super)
+    when String
+      if dv.present?
+        begin
+          Date.parse(dv)
+        rescue Date::Error => e
+          ExceptionNotifier.notify_exception(e, data: { site: site.name, post: post.id, name:, type: })
+          nil
+        end
+      else
+        nil
+      end
+    else
+      Date.today
+    end
   end
 
   # Devuelve una fecha, si no hay ninguna es la fecha de hoy.

app/views/posts/attribute_ro/_date.haml

@@ -1,3 +1,3 @@
 %tr{ id: attribute }
   %th= post_label_t(attribute, post: post)
-  %td{ dir: dir, lang: locale }= l metadata.value.to_date
+  %td{ dir: dir, lang: locale }= l metadata.value

app/views/posts/attributes/_date.haml

@@ -1,6 +1,6 @@
 .form-group
   = label_tag "#{base}_#{attribute}", post_label_t(attribute, post: post)
-  = date_field base, attribute, value: metadata.value.to_date.strftime('%F'),
+  = date_field base, attribute, value: metadata.value&.strftime('%F'),
     **field_options(attribute, metadata), pattern: '\d{4}-\d{2}-\d{2}',
     data: { 'pattern-mismatch': t('metadata.date.invalid_format') }
   = render 'posts/attribute_feedback',