From 509aefbdb361f23758dd1e1770cd5038cb32ad53 Mon Sep 17 00:00:00 2001
From: cxt <853663049@qq.com>
Date: Thu, 5 Mar 2020 13:51:10 +0800
Subject: [PATCH] tiaoz

---
 app/jobs/student_join_attendance_record_job.rb | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/jobs/student_join_attendance_record_job.rb b/app/jobs/student_join_attendance_record_job.rb
index a7a5d285d..28935f771 100644
--- a/app/jobs/student_join_attendance_record_job.rb
+++ b/app/jobs/student_join_attendance_record_job.rb
@@ -21,7 +21,9 @@ class StudentJoinAttendanceRecordJob < ApplicationJob
     CourseMemberAttendance.bulk_insert(*attrs) do |worker|
 
       current_attendance_ids.each do |attendance_id|
-        worker.add same_attrs.merge(course_attendance_id: attendance_id)
+        unless course.course_member_attendances.where(course_member_id: member_id, course_attendance_id: attendance_id).exists?
+          worker.add same_attrs.merge(course_attendance_id: attendance_id)
+        end
       end
     end
   end