[Radiant] Pondering comments and logins

[Al Evans]

I've been playing with Radiant for a couple of days -- actually, I 
stared cross-eyed at it for a day and a half, and finally understood it 
well enough to do things with it for half a day:-)

I want to start off by using it as a blog, but I need to add the ability 
for readers to add comments. It was easy enough to display comments 
added as children of a main page by adding a few lines to the layout in 
the "<r:if_content part="extended">" section:

  <r:children:each>
  <p>
  <r:link /> <span class="info">-- Posted by <r:author /> on <r:date 
format="%b %d, %Y" /></span>
  </p>
  <div class="comment">
  <r:content />
  </div>
  </r:children:each>

It looks fairly easy to add an "Accepts Comments" behavior following the 
general design of Oliver Baltzer's Search behavior. This would provide 
an "Add Comment" button and associated text field, maybe using AJAX. It 
looks like pages aren't meant to be created except by a logged-in user, 
and this might be a problem. I'd like to be able to allow someone to 
post a comment without making them a full-fledged user. I don't 
understand the permissions system very well yet, though.

But that brings me to my main point. The login system seems thoroughly 
embedded in the structure of the application. However, I'd really prefer 
to use OpenID http://openid.net or my own OpenProfile extension of 
OpenID http://openprofile.net in place of some or all of it. (I think 
OpenID provides about as much authentication as you can get in a web 
app, and it's nice for the users.)

So I thought I'd ask more experienced people about these issues here 
before I started slicing and dicing. Is there a better approach to 
allowing comments to be posted? Is there a non-violent way to swapping 
out the login/authentication system?

--Al Evans


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