From 053587bd53713880e75cfa26a9204529f2faf01b Mon Sep 17 00:00:00 2001
From: sw <939547590@qq.com>
Date: Tue, 11 Aug 2015 17:11:10 +0800
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---
 app/models/course.rb                           | 9 ++++++++-
 db/migrate/20150811080754_course_activities.rb | 1 +
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/app/models/course.rb b/app/models/course.rb
index 6d71ad967..a56ea5949 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -33,6 +33,8 @@ class Course < ActiveRecord::Base
   has_many :student_works, :through => :homework_commons, :dependent => :destroy
 
   has_many :course_groups, :dependent => :destroy
+  # 课程动态
+  has_many :course_acts, :class_name => 'CourseActivity',:as =>:course_act ,:dependent => :destroy
 
   acts_as_taggable
   acts_as_nested_set :order => 'name', :dependent => :destroy
@@ -44,7 +46,7 @@ class Course < ActiveRecord::Base
   validates_format_of  :name,:with =>/^[^ ]+[a-zA-Z0-9_\u4e00-\u9fa5\s\S]+$/
   validates_length_of :description, :maximum => 10000
   before_save :self_validate
-  after_create :create_board_sync
+  after_create :create_board_sync, :act_as_course_activity
   before_destroy :delete_all_members
 
   safe_attributes 'extra',
@@ -310,6 +312,11 @@ class Course < ActiveRecord::Base
     end
   end
 
+  #课程动态公共表记录
+  def act_as_course_activity
+    self.course_acts << CourseActivity.new(:user_id => self.tea_id,:course_id => self.id)
+  end
+
   #项目与课程分离后，很多课程的名称等信息为空，这些数据信息存储在项目表中！！就是数据兼容的问题
   #def name
   #  read_attribute('name') || Project.find_by_identifier(self.extra).try(:name)
diff --git a/db/migrate/20150811080754_course_activities.rb b/db/migrate/20150811080754_course_activities.rb
index bdb8e19c0..a4cae915d 100644
--- a/db/migrate/20150811080754_course_activities.rb
+++ b/db/migrate/20150811080754_course_activities.rb
@@ -3,6 +3,7 @@ class CourseActivities < ActiveRecord::Migration
   def up
     Course.all.each do |course|
       transaction do
+        course.course_acts << CourseActivity.new(:user_id => course.tea_id,:course_id => course.id)
         #作业
         course.homework_commons.each do |homework_common|
           homework_common.course_acts << CourseActivity.new(:user_id => homework_common.user_id,:course_id => course.id)