trustieforge/lib/tasks/exercise_close_to_deadline_warn.rake

#coding=utf-8
#需要在0点以后执行
namespace :exercise_deadline_warn do
  desc "exercise deadline warn"
  task :deadline_warn => :environment do
    #exercise_status 1 未发布  2 已发布   3已截止
    exercises = Exercise.where("exercise_status = 2 and date_format(end_time,'%Y-%m-%d')= '#{Date.today}'") #截止日期都是当天 23.59分，所以年月日相等的一定是今晚会截止的测验
    exercises.each do |exercise|
        course = exercise.course
        course.members.each do |m|
          #CourseMessage status 1 未发布 status 2 已发布  status 3 已发布快截止了
          exercise.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => course.id, :viewed => false, :status => 3) unless m.user.allowed_to?(:as_teacher,m)
        end
        # if homework.course_acts.size == 0
        #   homework.course_acts << CourseActivity.new(:user_id => homework.user_id,:course_id => homework.course_id)
        # end
        # 邮件通知
        #Mailer.run.homework_added(homework)
    end
  end
end