refactor: emprolijar

app/models/metadata_template.rb

@@ -27,9 +27,12 @@ MetadataTemplate = Struct.new(:site, :document, :name, :label, :type,
   #
   # @return [String]
   def cache_key
-    return "#{layout.value}/#{name}" if post.new?
-
-    @cache_key ||= "post/#{post.uuid.value}/#{name}"
+    @cache_key ||=
+      if post.new?
+        "#{layout.value}/#{name}"
+      else
+        "post/#{post.uuid.value}/#{name}"
+      end
   end
 
   # Genera una versión de caché en base a la fecha de modificación del
@@ -159,7 +162,7 @@ MetadataTemplate = Struct.new(:site, :document, :name, :label, :type,
   #
   # @return [Boolean]
   def save
-    if !changed?
+    unless changed?
       self[:value] = document_value if private?
 
       return true