课堂增加签到模块

app/helpers/courses_helper.rb

@@ -81,6 +81,8 @@ module CoursesHelper
       "/classrooms/#{course.id}/statistics"
     when "video"
       "/classrooms/#{course.id}/course_videos"
+    when "attendance"
+      "/classrooms/#{course.id}/signin"
     end
   end
 
@@ -156,6 +158,8 @@ module CoursesHelper
       course.shixuns.count
     when "video"
       course.videos_count + course.live_links.count
+    when "attendance"
+      course.attendances.count
     end
   end
 

app/models/course.rb

@@ -226,7 +226,7 @@ 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 video]
+    %w[activity announcement online_learning shixun_homework common_homework group_homework exercise attachment course_group graduation poll board statistics video attendance]
   end
 
   def get_course_module_by_type(type)
@@ -429,6 +429,7 @@ class Course < ApplicationRecord
     when 'video'           then '视频直播'
     when 'board'           then '讨论'
     when 'course_group'    then '分班'
+    when 'attendance'      then '签到'
     when 'statistics'      then '统计'
     else ''
     end
@@ -449,7 +450,8 @@ class Course < ApplicationRecord
     when 'video'           then 11
     when 'board'           then 12
     when 'course_group'    then 13
-    when 'statistics'      then 14
+    when 'attendance'      then 14
+    when 'statistics'      then 15
     else 100
     end
   end

db/migrate/20200312075912_add_attendance_to_course_module.rb

@@ -0,0 +1,16 @@
+class AddAttendanceToCourseModule < ActiveRecord::Migration[5.2]
+  def change
+    Course.all.each do |course|
+      unless course.course_modules.exists?(module_type: "attendance")
+        atta_position = course.course_modules.find_by(module_type: 'course_group')&.position.to_i
+        attendance_position = atta_position != 0 ? (atta_position + 1) : 14
+        course.course_modules.where("position >= #{attendance_position}").update_all("position = position + 1")
+        if course.is_end
+          course.course_modules << CourseModule.new(module_type: "attendance", hidden: 1, module_name: "签到", position: attendance_position)
+        else
+          course.course_modules << CourseModule.new(module_type: "attendance", hidden: 0, module_name: "签到", position: attendance_position)
+        end
+      end
+    end
+  end
+end