From 5251ab9ca29f71bf55e9c430d6439d8d1998549d Mon Sep 17 00:00:00 2001
From: cxt <pinecxt@163.com>
Date: Thu, 12 Jan 2017 17:27:04 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=BA=E7=8F=AD=E7=BA=A7=E6=96=B0=E6=B7=BB?=
 =?UTF-8?q?=E5=8A=A0=E7=9A=84=E5=AD=A6=E7=94=9F=E5=88=9B=E5=BB=BA=E5=B7=B2?=
 =?UTF-8?q?=E5=8F=91=E5=B8=83=E4=BD=9C=E4=B8=9A=E7=9A=84=E4=BD=9C=E5=93=81?=
 =?UTF-8?q?=EF=BC=8C=E7=8A=B6=E6=80=81=E4=B8=BA=E6=9C=AA=E6=8F=90=E4=BA=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/models/students_for_course.rb             | 13 +++++++++-
 .../20170112072122_add_student_work_data.rb   | 26 +++++++++++++++++++
 2 files changed, 38 insertions(+), 1 deletion(-)
 create mode 100644 db/migrate/20170112072122_add_student_work_data.rb

diff --git a/app/models/students_for_course.rb b/app/models/students_for_course.rb
index d9bf96770..8e7026912 100644
--- a/app/models/students_for_course.rb
+++ b/app/models/students_for_course.rb
@@ -1,3 +1,4 @@
+#encoding: utf-8
 class StudentsForCourse < ActiveRecord::Base
   attr_accessible :course_id, :student_id
   
@@ -9,7 +10,7 @@ class StudentsForCourse < ActiveRecord::Base
   validates_uniqueness_of :student_id, :scope => :course_id
 
   after_destroy :delete_student_works
-  after_create :recovery_student_works
+  after_create :recovery_student_works, :create_student_works
 
   #退出班级或删除学生时隐藏学生的作品
   def delete_student_works
@@ -26,4 +27,14 @@ class StudentsForCourse < ActiveRecord::Base
     student_works = StudentWork.where("user_id = #{self.student_id} && homework_common_id in #{homework_ids}")
     student_works.update_all(:is_delete => 0)
   end
+
+  #加入班级时创建已发布作业的作品
+  def create_student_works
+    course = self.course
+    course.homework_commons.each do |hw|
+      if hw.homework_type != 3 && hw.student_works.where("user_id = #{self.student_id}").count == 0
+        hw.student_works << StudentWork.new(:user_id => self.student_id, :name => hw.name.to_s+"的作品提交", :work_status => 0)
+      end
+    end
+  end
 end
diff --git a/db/migrate/20170112072122_add_student_work_data.rb b/db/migrate/20170112072122_add_student_work_data.rb
new file mode 100644
index 000000000..24f966d03
--- /dev/null
+++ b/db/migrate/20170112072122_add_student_work_data.rb
@@ -0,0 +1,26 @@
+#encoding: utf-8
+class AddStudentWorkData < ActiveRecord::Migration
+  def up
+    count = Course.all.count / 30 + 2
+    transaction do
+      for i in 1 .. count do i
+      Course.page(i).per(30).each do |course|
+        begin
+          course.student.each do |student|
+            course.homework_commons.each do |hw|
+              if hw.homework_type != 3 && hw.student_works.where("user_id = #{student.student_id}").count == 0
+                hw.student_works << StudentWork.new(:user_id => student.student_id, :name => hw.name.to_s+"的作品提交", :work_status => 0)
+              end
+            end
+          end
+        rescue Exception => e
+          logger.error  "[AddStudentWorkData] ===> #{e}"
+        end
+      end
+      end
+    end
+  end
+
+  def down
+  end
+end