added media api

lib/weixin_authorize.rb

@@ -6,6 +6,7 @@ require "weixin_authorize/api/menu"
 require "weixin_authorize/api/custom"
 require "weixin_authorize/api/groups"
 require "weixin_authorize/api/qrcode"
+require "weixin_authorize/api/media"
 require "weixin_authorize/client"
 
 module WeixinAuthorize

lib/weixin_authorize/api/media.rb

+# encoding: utf-8
+module WeixinAuthorize
+  module Api
+    module Media
+
+      # 上传多媒体文件
+      # http请求方式: POST/FORM
+      # http://file.api.weixin.qq.com/cgi-bin/media/upload?access_token=ACCESS_TOKEN&type=TYPE
+      # 支持传路径或者文件类型
+      def upload_media(media, type)
+        file = media.is_a?(File) ? media : File.new(media)
+        upload_media_url = "#{media_base_url}/upload"
+        http_upload(upload_media_url, {media: file, media_type: type})
+      end
+
+
+      # http://www.cnblogs.com/txw1958/p/weixin80-upload-download-media-file.html
+      def download_media(media_id)
+        download_media_url = "#{media_base_url}/get"
+        http_download(download_media_url, {media_id: media_id})
+      end
+
+      private
+
+        def media_base_url
+          "/media"
+        end
+
+        def http_upload(url, options)
+          media_type = options.delete(:media_type)
+          upload_url = file_endpoint + url
+          upload_url += "?access_token=#{get_access_token}"
+          upload_url += "&type=#{media_type}"
+          JSON.parse(RestClient.post(upload_url, options))
+        end
+
+        def http_download(url, options={})
+          options = options.merge(access_token_param)
+          download_url = file_endpoint + url
+          RestClient.get(download_url, :params => options)
+        end
+
+    end
+  end
+end

lib/weixin_authorize/client.rb

@@ -9,6 +9,7 @@ module WeixinAuthorize
     include Api::Custom
     include Api::Groups
     include Api::Qrcode
+    include Api::Media
 
     attr_accessor :app_id, :app_secret, :expired_at # Time.now + expires_in
     attr_accessor :access_token, :redis_key