Define a default value as suggested by ariejan

This commit is contained in:
Wouter D'Haeseleer 2012-05-03 14:19:06 +02:00
parent 825d2d69af
commit babb6a1a6b

View file

@ -1,9 +1,8 @@
require 'digest/md5'
module ApplicationHelper
def gravatar_icon(user_email, size = 40)
def gravatar_icon(user_email = '', size = 40)
gravatar_host = request.ssl? ? "https://secure.gravatar.com" : "http://www.gravatar.com"
user_email ||= ''
user_email.strip!
"#{gravatar_host}/avatar/#{Digest::MD5.hexdigest(user_email.downcase)}?s=#{size}&d=identicon"
end