gistfile1.txt

def as_json(options={})
{
      # Additions to make consistent with the new version of the API and iOS client
      id: self.id,
      user: {
        id: @user.id,
        display_name: @user.display_name,
        username: @user.username,
        avatar: {
          square: @user.avatar.url(:square),
          thumb: @user.avatar.url(:thumb)
        }
      }
end