class ExerciseUser < ApplicationRecord
  belongs_to :user
  belongs_to :exercise

  scope :commit_exercise_by_status, lambda { |s| where(commit_status: s) }
  scope :exercise_user_committed, -> {where("commit_status != ?",0) }
  scope :current_exercise_user, lambda { |user_id,exercise_id| where(user_id: user_id,exercise_id:exercise_id)}
  scope :exercise_commit_users, lambda {|user_ids| where(user_id:user_ids)}
  scope :exercise_review, -> {where("subjective_score >= ?",0.0)}  #已评阅，测试版的不一样是因为测试版的 主观题默认为0。0分，没有修改为-1分
  scope :exercise_unreview, -> {where("subjective_score < ?",0.0)} #未评阅
  scope :search_by_exercise, lambda {|ids| where(exercise_id:ids)}  #根据试卷来查找
end