"Referred article" functionality

layouts/article_body.html

@@ -1,15 +1,3 @@
-<%
-def sanitize_path(path)
-  result = path
-  if (!path.start_with?('/'))
-    result = '/' + result
-  end
-  if (!path.end_with?('/'))
-    result = result + '/'
-  end
-  result
-end
-%>
       <div class="row">
         <div class="span8">
           <article itemscope itemtype="http://schema.org/BlogPosting">

layouts/project_body.html

@@ -2,15 +2,16 @@
         <div class="span8">
           <div class="row">
             <div class="span8">
-              <h1><%= item[:title] %></h1>
+             <h1><%= item[:title] %></h1>
-              <%= yield %>
+             <%= yield %>
-            </div>
+           </div>
-            <div class="span8">
+           <% latest_articles_referred_to(item.identifier,5).each do |item| %>
-              <h1>Ein Projektartikel</h1>
+           <div class="span8">
-            </div>
+           <%= render 'article_intro', :article => item, :extended => true %>
-            <div class="span8">
+             <p>
-              <h1>Noch ein Projektartikel</h1>
+             <a itemprop="blogPost" href="<%= item.path() %>">Zum Artikel</a>
-            </div>
+           </div>
+           <% end %>
           </div>
         </div>
         <div class="span4">

lib/articlehelpers.rb

@@ -19,6 +19,16 @@ def pathname_of_article(item)
   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|
@@ -29,3 +39,12 @@ def latest_articles(max=nil)
   @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 : @cache_latest_art.length-1)]
+end
+