Framework CCCS page

lib/articlehelpers.rb

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+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
+
+def sanitize_path(path)
+  result = path
+  if (!path.start_with?('/'))
+    result = '/' + result
+  end
+  if (!path.end_with?('/'))
+    result = result + '/'
+  end
+  result
+end
+
+def latest_articles(max=nil)
+  @cache_latest_art ||= @site.items.select do |p|
+    p.attributes[:kind] == 'article'
+  end.sort do |a, b|
+    a.attributes[:created_at] <=> b.attributes[:created_at]
+  end.reverse
+  @cache_latest_art[0..(max ? max-1 : @cache_latest_art.length-1)]
+end
+
+def latest_articles_referred_to(refers_to, max=nil)
+  refers_to = sanitize_path(refers_to)
+  @site.items.select do |p|
+    p.attributes[:kind]=='article' && p.attributes[:refers_to] && sanitize_path(p.attributes[:refers_to])==refers_to
+  end.sort do |a, b|
+    a.attributes[:created_at] <=> b.attributes[:created_at]
+  end.reverse[0..(max ? max-1 : -1)]
+end
+