学生加入课堂和退出课堂时的数据处理

app/controllers/courses_controller.rb

@@ -548,6 +548,7 @@ class CoursesController < ApplicationController
     course_teacher = CourseMember.find_by(user_id: current_user.id, role: %i[CREATOR PROFESSOR ASSISTANT_PROFESSOR], course_id: @course.id)
     course_student.destroy!
     course_teacher.update_attributes(is_active: 1) if course_teacher.present? && !course_teacher.is_active
+    CourseDeleteStudentDeleteWorksJob.perform_later(@course.id, [current_user.id])
     normal_status(0, "退出成功")
   end
 
@@ -684,11 +685,16 @@ class CoursesController < ApplicationController
     ActiveRecord::Base.transaction do
       begin
         students = params[:students]
+        student_ids = []
 
         students.each do |student|
-          course_member = CourseMember.find_by!(id: student[:course_member_id].to_i, course_id: @course.id)
+          course_member = CourseMember.find_by(id: student[:course_member_id].to_i, course_id: @course.id)
+          if course_member.present?
+            student_ids << course_member.user_id
             course_member.destroy!
           end
+        end
+        CourseDeleteStudentDeleteWorksJob.perform_later(@course.id, student_ids) if student_ids.present?
         normal_status(0, "操作成功")
       rescue => e
         uid_logger(e.message)
@@ -720,6 +726,7 @@ class CoursesController < ApplicationController
             else
               new_student.is_active = 0 if existing_course_member.is_active
               new_student.save!
+              student_ids << user_id
             end
           else
             new_student.save!
@@ -727,6 +734,7 @@ class CoursesController < ApplicationController
           end
         end
 
+        CourseAddStudentCreateWorksJob.perform_later(@course.id, student_ids) if student_ids.present?
         TeacherInviteJoinCourseNotifyJob.perform_later(current_user.id, @course.id, 10, student_ids) if student_ids.present?
         normal_status(0, "添加成功")
       rescue => e
@@ -868,6 +876,7 @@ class CoursesController < ApplicationController
             new_student.course_group_id = course_group.id if course_group.present?
             new_student.save!
 
+            CourseAddStudentCreateWorksJob.perform_later(course.id, [current_user.id])
             StudentJoinCourseNotifyJob.perform_later(current_user.id, course.id)
           end
         end

app/jobs/course_add_student_create_works_job.rb

@@ -22,8 +22,45 @@ class CourseAddStudentCreateWorksJob < ApplicationJob
     attrs = %i[homework_common_id user_id created_at updated_at]
 
     StudentWork.bulk_insert(*attrs) do |worker|
-      student_ids.each do |teacher|
+      student_ids.each do |user_id|
-        worker.add same_attrs.merge(user_id: teacher.user_id)
+        same_attrs = {user_id: user_id}
+        course.homework_commons.where(homework_type: %i[normal group practice]).each do |homework|
+          next if homework.student_works.where(user_id: user_id).any?
+          worker.add same_attrs.merge(homework_common_id: homework.id)
+        end
+      end
+    end
+
+    attrs = %i[exercise_id user_id created_at updated_at]
+    ExerciseUser.bulk_insert(*attrs) do |worker|
+      student_ids.each do |user_id|
+        same_attrs = {user_id: user_id}
+        course.exercises.each do |exercise|
+          next if exercise.exercise_users.where(user_id: user_id).any?
+          worker.add same_attrs.merge(exercise_id: exercise.id)
+        end
+      end
+    end
+
+    attrs = %i[poll_id user_id created_at updated_at]
+    PollUser.bulk_insert(*attrs) do |worker|
+      student_ids.each do |user_id|
+        same_attrs = {user_id: user_id}
+        course.polls.each do |poll|
+          next if poll.poll_users.where(user_id: user_id).any?
+          worker.add same_attrs.merge(poll_id: poll.id)
+        end
+      end
+    end
+
+    attrs = %i[graduation_task_id user_id course_id created_at updated_at]
+    GraduationWork.bulk_insert(*attrs) do |worker|
+      student_ids.each do |user_id|
+        same_attrs = {user_id: user_id, course_id: course.id}
+        course.graduation_tasks.each do |task|
+          next if task.graduation_works.where(user_id: user_id).any?
+          worker.add same_attrs.merge(graduation_task_id: task.id)
+        end
       end
     end
   end

app/jobs/course_delete_student_delete_works_job.rb

@@ -1,7 +1,19 @@
 class CourseDeleteStudentDeleteWorksJob < ApplicationJob
   queue_as :course_member
 
-  def perform(*args)
+  def perform(course_id, student_ids)
-    # Do something later
+    course = Course.find_by(id: course_id)
+    return if course.blank?
+    course = self.course
+    student_works = StudentWork.joins(:homework_common).where(user_id: student_ids, homework_commons: {course_id: course.id})
+    student_works.update_all(is_delete: 1)
+
+    exercise_users = ExerciseUser.joins(:exercise).where(user_id: student_ids, exercises: {course_id: course.id})
+    exercise_users.update_all(is_delete: 1)
+
+    poll_users = PollUser.joins(:poll).where(user_id: student_ids, polls: {course_id: course.id})
+    poll_users.update_all(is_delete: 1)
+
+    course.graduation_works.where(user_id: student_ids).update_all(is_delete: 1)
   end
 end

app/models/course_member.rb

@@ -20,8 +20,8 @@ class CourseMember < ApplicationRecord
   # 未分班
   scope :ungroup_students, -> { where(course_group_id: 0, role: 4) }
 
-  after_destroy :delete_works
+  # after_destroy :delete_works
-  after_create :work_operation
+  # after_create :work_operation
   def delete_works
     if self.role == "STUDENT"
       course = self.course