class Service < ApplicationRecord attr_accessor :provider, :info belongs_to :user validates_uniqueness_of :uid, scope: :type validates_length_of :post_tag, maximum: 20 class << self def first_from_omniauth(auth_hash) @@auth = auth_hash where(type: service_type, uid: options[:uid]).first end def initialize_from_omniauth(auth_hash) @@auth = auth_hash service_type.constantize.new(options) end private def auth @@auth end def service_type "Services::#{options[:provider].camelize}" end def options { nickname: auth['info']['nickname'], access_token: auth['credentials']['token'], access_secret: auth['credentials']['secret'], uid: auth['uid'], provider: auth['provider'], info: auth['info'] } end end end