campos numericos

app/models/metadata_number.rb

@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+# Un campo numérico
+class MetadataNumber < MetadataTemplate
+  # Nada
+  def default_value
+    nil
+  end
+
+  def save
+    self[:value] = value.to_i
+
+    true
+  end
+end

app/views/posts/attribute_ro/_number.haml

@@ -0,0 +1,3 @@
+%tr{ id: attribute }
+  %th= post_label_t(attribute, post: post)
+  %td= metadata.value

app/views/posts/attributes/_number.haml

@@ -0,0 +1,6 @@
+.form-group
+  = label_tag "post_#{attribute}", post_label_t(attribute, post: post)
+  = number_field 'post', attribute, value: metadata.value,
+    **field_options(attribute, metadata)
+  = render 'posts/attribute_feedback',
+    post: post, attribute: attribute, metadata: metadata