完成作业截止定时发送消息

app/models/mailer.rb

@@ -34,8 +34,10 @@ class Mailer < ActionMailer::Base
     end
     def method_missing(name, *args, &block)
       if Setting.delayjob_enabled? && Object.const_defined?('Delayed')
+        # with delayed_job
         @target.delay.send(name, *args, &block)
       else
+        # without delayed_job
         @target.send(name, *args, &block).deliver
       end
     end

app/tasks/homework_endtime_task.rb

@@ -0,0 +1,23 @@
+#coding=utf-8
+#
+
+class HomeworkEndtimeTask
+  def massage_for_endtime
+    desc "send a message for Job deadline"
+    task :message => :environment do
+      current_day = Date.today.day
+      homework_commons = HomeworkCommon.where("end_time >?",Date.today)
+      homework_commons.each do |homework_common|
+        if homework_common.end_time.day - Date.today < 2 && homework_common.end_time.year == Date.year
+          homework_common.course.student.each do |s|
+            homework_common.course_messages << CourseMessage.new(:user_id => s.student_id, :course_id => homework_common.course_id, :viewed => false, :course_message_id => homework_common.id, :course_message_type => "HomeworkEndtime")
+          end
+        end
+      end
+    end
+    handle_asynchronously :massage_for_endtime, :run_at => HomeworkEndtimeTask.new { 1.minutes.from_now }
+  end
+
+  homwork_endtime = HomeworkEndtimeTask.new
+  homwork_endtime.massage_for_endtime
+end

lib/tasks/email.rake

@@ -202,13 +202,5 @@ END_DESC
         Mailer.run.send_for_user_activities(user, Date.today, 1)
       end
     end
-
-    desc "send a message for Job deadline"
-    task :message => :environment do
-      users = User.where(mail_notification: 'day')
-      users.each do |user|
-        Mailer.run.send_for_user_activities(user, Date.today, 1)
-      end
-    end
   end
 end

lib/tasks/homework_endtime.rake

@@ -0,0 +1,16 @@
+#coding=utf-8
+
+namespace :homework_endtime do
+  desc "send a message for Job deadline"
+  task :message => :environment do
+    current_day = Date.today.day
+    homework_commons = HomeworkCommon.where("end_time >?",Date.today)
+    homework_commons.each do |homework_common|
+      if homework_common.end_time.day - Date.today.day < 2 && homework_common.end_time.year == Date.today.year
+        homework_common.course.student.each do |s|
+          homework_common.course_messages << CourseMessage.new(:user_id => s.student_id, :course_id => homework_common.course_id, :viewed => false, :status => true)
+        end
+      end
+    end
+  end
+end