swamp09/sample_app

module UsersHelper
  def gravatar_for(user, options = {size: 80})
    gravatar_id = Digest::MD5.hexdigest(user.email.downcase)

    size = options[:size]

    gravatar_url = "https://secure.gravatar.com/avatar/#{gravatar_id}?s=#{size}"

    image_tag(gravatar_url, alt: user.name, class: 'gravatar')
  end
end