disqus comments cofigurable

README.rdoc

@@ -54,6 +54,12 @@ Or, modify the Sequel.connect statement at the top of main.rb.
 
 The database will be created automatically when the server is executed.
 
+== Comments
+
+There are no comments by default.  If you wish to activate comments, create an
+account and a website on Disqus (disqus.com) and enter the website shortname as
+the :disqus_shortname value in the Blog config struct.
+
 == Customize
 
 There are no themes or settings beyond the basic ones in the Blog struct.  Just

main.rb

@@ -12,7 +12,8 @@
 		:url_base => 'http://localhost:4567/',
 		:admin_password => 'pick_your_password',
 		:admin_cookie_key => 'scanty_admin',
-		:admin_cookie_value => '51d6d976913ace58'
+		:admin_cookie_value => '51d6d976913ace58',
+		:disqus_shortname => nil
 	)
 end
 

views/index.erb

@@ -18,7 +18,12 @@
 	<div class="post">
 		<p class="date"><%= post[:created_at].strftime("%b") %><b><%= post[:created_at].strftime("%d") %></b></p>
 		<h2 class="title"><a href="<%= post.url %>"><%= post[:title] %></a></h2>
-		<p class="meta"><small><%= post.linked_tags %> | <a href="<%= post.url %>#disqus_thread">comments</a></small></p>
+		<p class="meta"><small>
+			<%= post.linked_tags %>
+			<% if Blog.disqus_shortname %>
+				| <a href="<%= post.url %>#disqus_thread">comments</a>
+			<% end %>
+		</small></p>
 		<div class="entry">
 			<%= post.summary %>
 			<% if post.more? %>
@@ -37,20 +42,22 @@
 	<% end %>
 </div>
 
-<script type="text/javascript">
-//<[CDATA[
-(function() {
-	var links = document.getElementsByTagName('a');
-	var query = '?';
-	for(var i = 0; i < links.length; i++) {
-		if(links[i].href.indexOf('#disqus_thread') >= 0) {
-			query += 'url' + i + '=' + encodeURIComponent(links[i].href) + '&';
+<% if Blog.disqus_shortname %>
+	<script type="text/javascript">
+	//<[CDATA[
+	(function() {
+		var links = document.getElementsByTagName('a');
+		var query = '?';
+		for(var i = 0; i < links.length; i++) {
+			if(links[i].href.indexOf('#disqus_thread') >= 0) {
+				query += 'url' + i + '=' + encodeURIComponent(links[i].href) + '&';
+			}
 		}
-	}
-	document.write('<script type="text/javascript" src="http://disqus.com/forums/adamheroku/get_num_replies.js' + query + '"></' + 'script>');
-	})();
-//]]>
-</script>
+		document.write('<script type="text/javascript" src="http://disqus.com/forums/<%= Blog.disqus_shortname %>/get_num_replies.js' + query + '"></' + 'script>');
+		})();
+	//]]>
+	</script>
+<% end %>
 
 <div id="footer">
 	<p id="legal">

views/post.erb

@@ -10,4 +10,6 @@
 	<% end %>
 </div>
 
-<div id="disqus_thread"></div><script type="text/javascript" src="http://disqus.com/forums/adamheroku/embed.js"></script><noscript><a href="http://adamheroku.disqus.com/?url=ref">View the discussion thread.</a></noscript><a href="http://disqus.com" class="dsq-brlink">blog comments powered by <span class="logo-disqus">Disqus</span></a>
+<% if Blog.disqus_shortname %>
+	<div id="disqus_thread"></div><script type="text/javascript" src="http://disqus.com/forums/<%= Blog.disqus_shortname %>/embed.js"></script><noscript><a href="http://<%= Blog.disqus_shortname %>.disqus.com/?url=ref">View the discussion thread.</a></noscript><a href="http://disqus.com" class="dsq-brlink">blog comments powered by <span class="logo-disqus">Disqus</span></a>
+<% end %>