34 lines
1.4 KiB
Ruby
34 lines
1.4 KiB
Ruby
class Exercise < ActiveRecord::Base
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#exercise_status: 1,新建；2，发布；3，关闭
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include Redmine::SafeAttributes
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belongs_to :user
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belongs_to :course ,:touch => true
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has_many :exercise_questions, :dependent => :destroy,:order => "#{ExerciseQuestion.table_name}.question_number"
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has_many :exercise_users, :dependent => :destroy
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has_many :users, :through => :exercise_users #该测试被哪些用户提交答案过
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# 课程消息
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has_many :course_messages, :class_name =>'CourseMessage', :as => :course_message, :dependent => :destroy
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after_save :acts_as_course_message
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def acts_as_course_message
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if self.course
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if self.exercise_status == 2 && self.course_messages.where(:status => 2).blank? #已发布
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self.delay.send_exercise_message_delay
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#self.course.members.each do |m|
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#self.course_messages << CourseMessage.create(:user_id => User.current.id, :course_id => self.course_id, :viewed => false,:status=>2)
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#end
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else
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#self.course_messages.destroy_all #这里的destory_all值得商榷。因为我这里是通过status来控制不同的status的
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end
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end
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end
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#测验通知delay
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def send_exercise_message_delay
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self.course.members.each do |m|
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if m.user_id != self.user_id
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self.course_messages << CourseMessage.new(:user_id => m.user_id, :course_id => self.course_id, :viewed => false ,:status=>2)
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end
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end
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end
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end
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