Path names for articles

lib/articlehelpers.rb

@@ -0,0 +1,20 @@
+def article_base_item(item)
+  idparts = item.identifier.split('/')
+  articleid = "/#{idparts[1]}/#{idparts[2]}/"
+  if idparts.length>3 then
+    result = @items[articleid]
+    if (!result)
+      raise Nanoc::Errors::GenericTrivial.new("Base article #{articleid} for item #{item.identifier} not found!")
+    end
+    result
+  else
+    item
+  end
+end
+
+def pathname_of_article(item)
+  idparts = item.identifier.split('/')
+  time = item[:created_at]
+  slug = idparts[2].sub( %r{^[0-9]*-}, "" )
+  time.strftime('%Y-%m-%d') + '-' + slug
+end