app/helpers/avatar_helper.rb
require_dependency YourPlatform::Engine.root.join('app/helpers/avatar_helper').to_s
module AvatarHelperOverrides
def user_avatar_default_url(user = nil, options = {})
if user.try(:wingolfit?)
"https://github.com/fiedl/wingolfsplattform/raw/master/app/assets/images/avatar_480.png"
else
super
end
end
end
module AvatarHelper
prepend AvatarHelperOverrides
end