金课前一天给报名者发消息

lib/tasks/public_course_notice.rake

@@ -0,0 +1,19 @@
+desc "开放课程开课前通知报名用户"
+namespace :public_course_notice do
+  task :tiding => :environment do
+    Course.where(excellent: 1).where("start_date is not null and start_date = '#{Date.today}'").each do |course|
+      attrs = %i[user_id trigger_user_id status container_id container_type belong_container_id
+              belong_container_type tiding_type created_at updated_at]
+
+      same_attrs = {
+        trigger_user_id: 0, container_id: course.id, container_type: 'PublicCourseStart',
+        belong_container_id: course.id, belong_container_type: 'Course', tiding_type: 'System', status: 0
+      }
+      Tiding.bulk_insert(*attrs) do |worker|
+        course.students.each do |student|
+          worker.add same_attrs.merge(user_id: student.user_id)
+        end
+      end
+    end
+  end
+end