升级通知

app/controllers/users_controller.rb

@@ -3,6 +3,12 @@ class UsersController < ApplicationController
   before_action :load_user, only: [:show, :homepage_info]
   before_action :check_user_exist, only: [:show, :homepage_info]
 
+  # 检查是否更新
+  def system_update
+    @notice = SystemUpdateNotice.last
+  end
+
+
   def show;end
 
   def update

app/views/users/system_update.json.jbuilder

@@ -0,0 +1,6 @@
+if @notice && @notice.end.time < Time.now
+  json.system_update true
+  json.(@notice, :subject, :notes, :start_time, :end_time)
+else
+  json.system_update false
+end