From d71c181d12b90c4d6f6773fa928d8a008967a961 Mon Sep 17 00:00:00 2001
From: cxt <853663049@qq.com>
Date: Fri, 7 Feb 2020 17:30:50 +0800
Subject: [PATCH] =?UTF-8?q?=E8=AF=BE=E5=A0=82=E5=A2=9E=E5=8A=A0=E8=A7=86?=
 =?UTF-8?q?=E9=A2=91=E6=A8=A1=E5=9D=97?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/models/course.rb                                 | 10 ++++++----
 .../20200207090252_add_video_to_course_module.rb     | 12 ++++++++++++
 2 files changed, 18 insertions(+), 4 deletions(-)
 create mode 100644 db/migrate/20200207090252_add_video_to_course_module.rb

diff --git a/app/models/course.rb b/app/models/course.rb
index 1d5175ed3..eb7ffd91f 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -206,7 +206,7 @@ class Course < ApplicationRecord
   end
 
   def all_course_module_types
-    %w[activity announcement online_learning shixun_homework common_homework group_homework exercise attachment course_group graduation poll board statistics]
+    %w[activity announcement online_learning shixun_homework common_homework group_homework exercise attachment course_group graduation poll board statistics video]
   end
 
   def get_course_module_by_type(type)
@@ -406,6 +406,7 @@ class Course < ApplicationRecord
     when 'exercise'        then '试卷'
     when 'poll'            then '问卷'
     when 'attachment'      then '资源'
+    when 'video'           then '视频'
     when 'board'           then '讨论'
     when 'course_group'    then '分班'
     when 'statistics'      then '统计'
@@ -425,9 +426,10 @@ class Course < ApplicationRecord
     when 'exercise'        then 8
     when 'poll'            then 9
     when 'attachment'      then 10
-    when 'board'           then 11
-    when 'course_group'    then 12
-    when 'statistics'      then 13
+    when 'video'           then 11
+    when 'board'           then 12
+    when 'course_group'    then 13
+    when 'statistics'      then 14
     else 100
     end
   end
diff --git a/db/migrate/20200207090252_add_video_to_course_module.rb b/db/migrate/20200207090252_add_video_to_course_module.rb
new file mode 100644
index 000000000..1d0364524
--- /dev/null
+++ b/db/migrate/20200207090252_add_video_to_course_module.rb
@@ -0,0 +1,12 @@
+class AddVideoToCourseModule < ActiveRecord::Migration[5.2]
+  def change
+    Course.all.each do |course|
+      unless course.course_modules.exists?(module_type: "video")
+        atta_position = course.course_modules.find_by(module_type: 'attachment')&.position.to_i
+        video_position = atta_position != 0 ? (atta_position + 1) : 11
+        course.course_modules.where("position >= #{video_position}").update_all("position = position + 1")
+        course.course_modules << CourseModule.new(module_type: "video", hidden: 1, module_name: "视频", position: video_position)
+      end
+    end
+  end
+end