Merge pull request #6 from lanrion/add-generate-qrcode-api

Add generate qrcode api

lib/weixin_authorize.rb

@@ -5,6 +5,7 @@ require "weixin_authorize/api/user"
 require "weixin_authorize/api/menu"
 require "weixin_authorize/api/menu"
 require "weixin_authorize/api/custom"
 require "weixin_authorize/api/custom"
 require "weixin_authorize/api/groups"
 require "weixin_authorize/api/groups"
+require "weixin_authorize/api/qrcode"
 require "weixin_authorize/client"
 require "weixin_authorize/client"
 
 
 module WeixinAuthorize
 module WeixinAuthorize

lib/weixin_authorize/api/qrcode.rb

+# encoding: utf-8
+module WeixinAuthorize
+  module Api
+    module Qrcode
+    # http://mp.weixin.qq.com/wiki/index.php?title=生成带参数的二维码
+
+      # 临时二维码
+      def create_qr_scene(scene_id, expire_seconds=1800)
+        post_url = "#{qrcode_base_url}/create"
+        qrcode_infos = {action_name: "QR_SCENE", expire_seconds: expire_seconds}
+        qrcode_infos = qrcode_infos.merge(action_info(scene_id))
+        http_post(post_url, qrcode_infos)
+      end
+
+      # 临时二维码
+      def create_qr_limit_scene(scene_id)
+        post_url = "#{qrcode_base_url}/create"
+        qrcode_infos = {action_name: "QR_LIMIT_SCENE"}
+        qrcode_infos = qrcode_infos.merge(action_info(scene_id))
+        http_post(post_url, qrcode_infos)
+      end
+
+      # 通过ticket换取二维码, 直接访问即可显示！
+      def qr_code_url(ticket)
+        "https://mp.weixin.qq.com/cgi-bin/showqrcode?ticket=#{ticket}"
+      end
+
+      private
+
+        def qrcode_base_url
+          "/qrcode"
+        end
+
+        def action_info(scene_id)
+          {action_info: {scene: {scene_id: scene_id}}}
+        end
+
+    end
+  end
+end

lib/weixin_authorize/client.rb

@@ -8,6 +8,7 @@ module WeixinAuthorize
     include Api::Menu
     include Api::Menu
     include Api::Custom
     include Api::Custom
     include Api::Groups
     include Api::Groups
+    include Api::Qrcode
 
 
     attr_accessor :app_id, :app_secret, :expired_at # Time.now + expires_in
     attr_accessor :app_id, :app_secret, :expired_at # Time.now + expires_in
     attr_accessor :access_token, :redis_key
     attr_accessor :access_token, :redis_key

spec/api/qrcode_spec.rb

+require "spec_helper"
+
+describe WeixinAuthorize::Api::Qrcode do
+
+  it "#create_qr_scene" do
+    response = $client.create_qr_scene("123")
+    expect(response.keys).to eq(["ticket", "expire_seconds"])
+    expect(response["expire_seconds"]).to eq(1800)
+  end
+
+  it "#create_qr_limit_scene" do
+    response = $client.create_qr_limit_scene("1234")
+    expect(response.keys).to eq(["ticket"])
+  end
+
+end