== Gravatar caching

Plugin for caching Gravatar (gravatar.com) locally in your web 2.0 Rails app.

Based on http://svn.hiddenloop.com/public/plugins/mephisto_gravatar_cache/ by Matthew Hutchinson
and http://snippets.dzone.com/posts/show/2587 by Daniel Haran

=== Installation

  script/plugin install http://code.macournoyer.com/svn/plugins/gravatar_cache

Or using piston:
  
  piston import http://code.macournoyer.com/svn/plugins/gravatar_cache vendor/plugins/gravatar_cache
    
Place something like this in your Rakefile:
  
  def gravatar_emails
    User.find(:all).collect(&:email) # Return the emails you wanna cache
  end

Now put everything in place for showtime:

  rake gravatar:setup

=== Usage

Setup a cronjob or something to periodically run:
  
  rake gravatar:cache

Then use like this in your app:
  
  image_tag Gravatar.new('an@email.com').url


Extracted from RefactorMyCode.com by Marc-Andre Cournoyer