title: How do I render_to_string in a rails model?
body: <p>How do I <code>render_to_string</code> in a model in rails?</p>
  
  <p>If you say that, "You should never be rendering anything from a model.  Any rendering -- at all -- is the responsibility of the controller and view." Hear me out, or suggest a better way you might solve the problem</p>
  
  <p>My model is a mailer. Just not that of emails, faxes.</p>