refactor client.rb

lib/weixin_authorize/client.rb

@@ -10,19 +10,22 @@ module WeixinAuthorize
     attr_accessor :app_id, :app_secret, :expired_at # Time.now + expires_in
     attr_accessor :access_token
 
-    def initialize(app_id="", app_secret="", expired_at=nil)
+    # 对于多用户微信营销平台的对接，需要把每次的expired_at, access_token保存在Redis中
+    # 每次使用，则可以从Redis中获取expired_at和access_token，即
+    # @client = WeixinAuthorize::Client.new(appid, appsecret, expired_at, access_token)
+    # 获取access_token，则仍然是：@client.get_access_token 来获取
+    def initialize(app_id="", app_secret="", expired_at=nil, access_token=nil)
       @app_id     = app_id
       @app_secret = app_secret
       @expired_at = (expired_at.to_i || Time.now.to_i)
+      @access_token = access_token
       yield self if block_given?
     end
 
     # return token
     def get_access_token
       # 如果当前token过期时间小于现在的时间，则重新获取一次
-      if @expired_at <= Time.now.to_i
-        authenticate
-      end
+      authenticate if token_expired?
       @access_token
     end
 
@@ -33,26 +36,22 @@ module WeixinAuthorize
       self.expired_at   = Time.now.to_i + hash_infos["expires_in"]
     end
 
+    def token_expired?
+      @expired_at <= Time.now.to_i
+    end
+
     private
 
       def authenticate_options
         {grant_type: "client_credential", appid: app_id, secret: app_secret}
       end
 
-      def plain_endpoint
-        "https://api.weixin.qq.com/cgi-bin"
-      end
-
-      def file_endpoint
-        "http://file.api.weixin.qq.com/cgi-bin"
-      end
-
       def access_token_param
         {access_token: get_access_token}
       end
 
       def http_get_without_token(url, options={}, endpoint="plain")
-        get_api_url = send("#{endpoint}_endpoint") + url
+        get_api_url = endpoint_url(endpoint) + url
         JSON.parse(RestClient.get(get_api_url, :params => options))
       end
 
@@ -63,9 +62,21 @@ module WeixinAuthorize
 
       # Refactor
       def http_post(url, options={}, endpoint="plain")
-        post_api_url = send("#{endpoint}_endpoint") + url + "?access_token=#{get_access_token}"
+        post_api_url = endpoint_url(endpoint) + url + "?access_token=#{get_access_token}"
         JSON.parse(RestClient.post(post_api_url ,options))
       end
 
+      def endpoint_url(endpoint)
+        send("#{endpoint}_endpoint")
+      end
+
+      def plain_endpoint
+        "https://api.weixin.qq.com/cgi-bin"
+      end
+
+      def file_endpoint
+        "http://file.api.weixin.qq.com/cgi-bin"
+      end
+
   end
 end