Merge pull request #7 from lanrion/added-media-api

Added media api

.gitignore

@@ -15,3 +15,4 @@ spec/reports
 test/tmp
 test/version_tmp
 tmp
+*DS_Store

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
+
+      # 目前仅仅把下载链接返回给第三方开发者，由第三方开发者处理下载
+      # php重新写入文件方式：
+      # http://www.cnblogs.com/txw1958/p/weixin80-upload-download-media-file.html
+      def download_media_url(media_id)
+        download_media_url = file_endpoint + "#{media_base_url}/get"
+        download_media_url += "?access_token=#{get_access_token}"
+        download_media_url += "&media_id=#{media_id}"
+        download_media_url
+      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
+
+    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

spec/api/media_spec.rb

+require "spec_helper"
+
+describe WeixinAuthorize::Api::Media do
+
+  let(:image_path) do
+    "#{File.dirname(__FILE__)}/medias/ruby-logo.jpg"
+  end
+
+  let(:image_file) do
+    File.new(image_path)
+  end
+
+  it "can upload a image" do
+    response = $client.upload_media(image_file, "image")
+    expect(response.keys).to eq(["type", "media_id", "created_at"])
+  end
+
+  # it "#download_media_url" do
+  #   image = $client.upload_media(image_file, "image")
+  #   media_id = image["media_id"]
+  #   response = $client.download_media_url(media_id)
+  #   response
+  # end
+
+end