socialforge/app/models/work.rb

class Work < ActiveRecord::Base
  # work_status 0：未发布/挂起  1：提交中  2：提交截止  3：启动在线评审  4：评审结束
  belongs_to :user
  belongs_to :contest
  attr_accessible :description, :end_time, :is_delete, :is_open, :name, :publish_time, :score_open, :work_status, :work_type, :contest_id, :user_id
  include ApplicationHelper

  has_one :work_detail_group, :dependent => :destroy
  has_one :work_detail_manual, :dependent => :destroy
  has_many :contestant_work_projects, :dependent => :destroy
  has_many :contestant_works, :dependent => :destroy, :conditions => "is_delete != 1"
  has_many :journals_for_messages, :as => :jour, :dependent => :destroy
  has_many :praise_tread, as: :praise_tread_object, dependent: :destroy
  has_one :praise_tread_cache, as: :object, dependent: :destroy
  # 竞赛动态
  has_many :contest_acts, :class_name => 'ContestActivity',:as =>:contest_act ,:dependent => :destroy
  # 竞赛消息
  has_many :contest_messages, :class_name =>'ContestMessage', :as => :contest_message, :dependent => :destroy
  acts_as_attachable

  after_create :act_as_contest_message
  after_update :update_activity
  after_save :act_as_contest_activity
  #after_destroy :delete_kindeditor_assets

  def is_group_work?
    self.work_type == 3 && self.work_detail_group
  end

  ###添加回复
  def self.add_work_jour(user, notes, id, root_id, options = {})
    homework = Work.find(id)
    if options.count == 0
      jfm = homework.journals_for_messages.build(:user_id => user.id, :notes => notes, :reply_id => 0, :root_id => root_id)
    else
      jfm = homework.journals_for_messages.build(options)
    end
    jfm.save
    jfm
  end

  def act_as_contest_activity
    if self.contest
      if self.work_status == 0
        self.contest_acts.destroy_all
      else
        if self.contest_acts.size == 0
          self.contest_acts << ContestActivity.new(:user_id => self.user_id,:contest_id => self.contest_id)
        end
      end
    end
  end

  #动态的更新
  def update_activity
    update_contest_activity(self.class, self.id)
    update_user_activity(self.class, self.id)
  end

  def act_as_contest_message
    if self.contest
      if self.work_status == 0
        self.contest_messages.destroy_all
      else
        self.contest.contestants.each do |m|
          self.contest_messages << ContestMessage.new(:user_id => m.student_id, :contest_id => self.contest_id, :viewed => false)
        end
      end
    end
  end
end