load_instagram.rb

  def load_instagram(object)
    object_method = self.method("instagram_#{object}")
    if object_method.call != nil
      object_method.call
    elsif instagram_username.nil? || instagram_username.empty?
      ""
    else
      user = Instagram.user_search(instagram_username, {:count => 1})
      if user.empty?
        ""
      else
        # save to db
        attribute = user[0].send(object)
        update_attribute("instagram_#{object}", attribute)
        # return 
        object_method.call
      end
    end
  end

def load_instagram object
  method_name = "instagram_#{object}"
  return_value = public_send method_name

  if return_value
    return_value
  elsif no_instagram_username?
    ''
  else
    update_instagram_user return_value
  end
end

def no_instagram_username?
  instagram_username.nil? || instagram_username.empty?
end

def update_instagram_user return_value
  user = find_instagram_user

  if user.empty?
    ''
  else
    attribute = user.first.public_send object
    update_attribute method_name, attribute
    return_value
  end
end

def find_instagram_user
  Instagram.user_search instagram_username, count: 1
end