异步任务的处理

app/controllers/courses_controller.rb

@@ -812,8 +812,8 @@ class CoursesController < ApplicationController
 
   # 搜索添加学生
   def add_students_by_search
+    student_ids = []
     ActiveRecord::Base.transaction do
-      begin
       user_ids = params[:user_ids]
       course_group_id = params[:course_group_id].to_i
       if course_group_id != 0
@@ -821,7 +821,6 @@ class CoursesController < ApplicationController
         course_group_id = course_group.id
       end
 
-        student_ids = []
       user_ids.each do |user_id|
         existing_course_member = @course.course_members.find_by(user_id: user_id.to_i)
         new_student = CourseMember.new(user_id: user_id.to_i, course_id: @course.id, course_group_id: course_group_id, role: 4)
@@ -839,16 +838,11 @@ class CoursesController < ApplicationController
           student_ids << user_id
         end
       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
-        uid_logger(e.message)
-        tip_exception("添加失败")
-        raise ActiveRecord::Rollback
-      end
-    end
   end
 
   # 获取历史课堂，即用户管理的所有课堂以及课堂下的分班(去除当前课堂)

app/controllers/homework_commons_controller.rb

@@ -927,19 +927,11 @@ class HomeworkCommonsController < ApplicationController
     unless params[:category_id].blank?
       @category = @course.course_second_categories.find_by(id: params[:category_id], category_type: "shixun_homework")
     end
-    ActiveRecord::Base.transaction do
-      begin
     shixuns.each do |shixun|
       homework = HomeworksService.new.create_homework shixun, @course, @category, current_user
       @homework_ids << homework.id
       CreateStudentWorkJob.perform_later(homework.id)
     end
-      rescue Exception => e
-        uid_logger(e.message)
-        tip_exception("创建失败")
-        raise ActiveRecord::Rollback
-      end
-    end
   end
 
   # 选用实训课程
@@ -1019,8 +1011,6 @@ class HomeworkCommonsController < ApplicationController
     none_shixun_ids = ShixunSchool.where("school_id != #{current_user.school_id}").pluck(:shixun_id)
 
     course_module = @course.course_modules.find_by(module_type: "shixun_homework")
-    ActiveRecord::Base.transaction do
-      begin
     subjects.each do |subject|
 
       subject.stages.each do |stage|
@@ -1038,12 +1028,6 @@ class HomeworkCommonsController < ApplicationController
         end
       end
     end
-      rescue Exception => e
-        uid_logger(e.message)
-        tip_exception("创建失败")
-        raise ActiveRecord::Rollback
-      end
-    end
   end
 
   def publish_groups
@@ -1070,7 +1054,7 @@ class HomeworkCommonsController < ApplicationController
     charge_group_ids = @course.charge_group_ids(current_user)
     publish_groups = charge_group_ids & params[:group_ids] if params[:group_ids]
 
-    ActiveRecord::Base.transaction do
+    # ActiveRecord::Base.transaction do
       begin
         homeworks.each do |homework|
           # 作业未发布时
@@ -1141,7 +1125,7 @@ class HomeworkCommonsController < ApplicationController
         tip_exception("发布失败")
         raise ActiveRecord::Rollback
       end
-    end
+    # end
   end
 
   def end_groups
@@ -1170,9 +1154,9 @@ class HomeworkCommonsController < ApplicationController
     charge_group_ids = @course.charge_group_ids(current_user)
     end_groups = charge_group_ids & params[:group_ids] if params[:group_ids]
 
-    ActiveRecord::Base.transaction do
     begin
       homeworks.each do |homework|
+        ActiveRecord::Base.transaction do
           homework_detail_manual = homework.homework_detail_manual
 
           # 分组设置
@@ -1233,11 +1217,12 @@ class HomeworkCommonsController < ApplicationController
 =end
 
               # 更新所有学生的效率分(重新取homework确保是更新后的)
-              HomeworkEndUpdateScoreJob.perform_later(homework.id) if !homework.allow_late && homework.end_time <= time
             end
           end
           homework.save!
         end
+        HomeworkEndUpdateScoreJob.perform_later(homework.id) if !homework.allow_late && homework.end_time <= time
+      end
       normal_status(0, "更新成功")
     rescue Exception => e
       uid_logger(e.message)
@@ -1245,7 +1230,6 @@ class HomeworkCommonsController < ApplicationController
       raise ActiveRecord::Rollback
     end
   end
-  end
 
   def set_public
     tip_exception("仅公开课堂才能公开作业") if @course.is_public == 0

app/controllers/subjects_controller.rb

@@ -203,9 +203,9 @@ class SubjectsController < ApplicationController
     stages = @subject.stages.where(id: @subject.stage_shixuns.where(shixun_id: params[:shixun_ids]).pluck(:stage_id))
 
     course_module = @course.course_modules.where(module_type: "shixun_homework").first
+    homework_ids = []
 
     ActiveRecord::Base.transaction do
-      begin
       # 将实训课程下的所有已发布实训按顺序发送到课堂，同时创建与章节同名的实训作业目录
       stages.each do |stage|
         category = CourseSecondCategory.where(name: stage.name, course_id: @course.id, category_type: "shixun_homework").first ||
@@ -214,14 +214,12 @@ class SubjectsController < ApplicationController
 
         stage.shixuns.where(id: params[:shixun_ids], status: 2).each do |shixun|
           homework = HomeworksService.new.create_homework shixun, @course, category, current_user
-            CreateStudentWorkJob.perform_later(homework.id)
+          homework_ids << homework.id
         end
       end
-      rescue Exception => e
-        uid_logger(e.message)
-        tip_exception(e.message)
-        raise ActiveRecord::Rollback
     end
+    homework_ids.each do |homework_id|
+      CreateStudentWorkJob.perform_later(homework_id)
     end
   end
 

db/migrate/20190911020749_migrate_shixun_student_work.rb

@@ -0,0 +1,18 @@
+class MigrateShixunStudentWork < ActiveRecord::Migration[5.2]
+  def change
+    homework_commons = HomeworkCommon.where(homework_type: 4).where("created_at > '2019-07-01 00:00:00'")
+    attrs = %i[homework_common_id user_id created_at updated_at]
+    StudentWork.bulk_insert(*attrs) do |worker|
+      homework_commons.each do |homework|
+        course = homework.course
+        if course && homework.student_works.count != course.students.count
+          course.students.each do |student|
+            next if StudentWork.where(homework_common_id: homework.id, user_id: student.user_id).any?
+            same_attrs = {user_id: student.user_id}
+            worker.add same_attrs.merge(homework_common_id: homework.id)
+          end
+        end
+      end
+    end
+  end
+end