#config/routes.rb
match "syncs/:type/new" => "syncs#new", :as => :sync_new
match "syncs/:type/callback" => "syncs#callback", :as => :sync_callback

# encoding: UTF-8
class SyncsController < ApplicationController

  def new
    client = OauthChina::Sina.new
    authorize_url = client.authorize_url
    Rails.cache.write(build_oauth_token_key(client.name, client.oauth_token), client.dump)
    redirect_to authorize_url
  end

  def callback
    client = OauthChina::Sina.load(Rails.cache.read(build_oauth_token_key(params[:type], params[:oauth_token])))
    client.authorize(:oauth_verifier => params[:oauth_verifier])

    results = client.dump

    if results[:access_token] && results[:access_token_secret]
      #在这里把access token and access token secret存到db
      #下次使用的时候:
      #client = OauthChina::Sina.load(:access_token => "xx", :access_token_secret => "xxx")
      #client.add_status("同步到新浪微薄..")
      flash[:notice] = "授权成功！"
    else
      flash[:notice] = "授权失败!"
    end
    redirect_to root_path
  end

  private
  def build_oauth_token_key(name, oauth_token)
    [name, oauth_token].join("_")
  end
end