add delete course tiding

app/controllers/courses_controller.rb

@@ -234,6 +234,8 @@ class CoursesController < ApplicationController
   def destroy
     if @course.is_delete == 0
       @course.delete!
+      Tiding.create!(user_id: @course.tea_id, trigger_user_id: 1, container_id: @course.id,
+                     container_type: 'Course', tiding_type: 'Delete', extra: @course.name)
       normal_status(0, "成功")
     else
       normal_status(-1, "课堂已删除，无需重复操作")

app/decorators/tiding_decorator.rb

@@ -126,8 +126,12 @@ module TidingDecorator
   end
 
   def course_content
+    if tiding_type == 'Delete'
+      I18n.t(locale_format(tiding_type)) % extra
+    else
       I18n.t(locale_format) % container.name
     end
+  end
 
   def shixun_content
     I18n.t(locale_format) % container.name

config/locales/tidings/zh-CN.yml

@@ -55,6 +55,8 @@
           "2_end": "你提交的试用授权申请，审核未通过<br/><span>原因：%{reason}</span>"
         Apply_end: "提交了试用授权申请"
     Course_end: "成功创建了课堂：%s"
+    Course:
+      Delete_end: "你删除了课堂：%s"
     Shixun_end: "成功创建了实训：%s"
     Subject_end: "成功创建了实训课程：%s"
     ArchiveCourse_end: "你的课堂已经归档：%s"