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#244 Gravatar

Dec 13, 2010 | 5 minutes | Tools
Gravatar is a service for providing user avatars. See how easy it is to use in Rails in this episode.
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application_helper.rb 
def avatar_url(user)
  if user.avatar_url.present?
    user.avatar_url
  else
    default_url = "#{root_url}images/guest.png"
    gravatar_id = Digest::MD5.hexdigest(user.email.downcase)
    "http://gravatar.com/avatar/#{gravatar_id}.png?s=48&d=#{CGI.escape(default_url)}"
  end
end
users/index.html.erb 
<%= image_tag avatar_url(user) %>