class ApplyResource < ActiveRecord::Base # status:1. 等待回复 2.审核通过 3.已拒绝 attr_accessible :attachment_id, :status, :user_id, :container_type, :container_id, :apply_user_id, :content belongs_to :user belongs_to :attachment has_many :course_messages, :class_name => 'CourseMessage', :as => :course_message, :dependent => :destroy after_create :act_as_apply_resource_message def act_as_apply_resource_message self.course_messages << CourseMessage.new(:user_id => self.apply_user_id, :course_id => -1, :viewed => false, :status => 0, ) # REDO:发送邮件 # Mailer.run.apply_for_resource_request(self.container_id, User.current) end def find_attachment attachment_id Attachment.find(attachment_id) end end