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class ExerciseUser < ApplicationRecord
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# commit_method 0 为默认， 1为学生的手动提交，2为倒计时结束后自动提交，3为试卷定时截止的自动提交, 4为教师手动的立即截止, 5为老师调分
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belongs_to :user
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belongs_to :exercise
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has_many :exercise_user_scores, dependent: :destroy
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scope :commit_exercise_by_status, lambda { |s| where(commit_status: s) }
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scope :exercise_user_committed, -> {where("commit_status != ?",0) }
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scope :current_exercise_user, lambda { |user_id,exercise_id| where(user_id: user_id,exercise_id:exercise_id)}
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scope :exercise_commit_users, lambda {|user_ids| where(user_id:user_ids)}
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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
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scope :exercise_unreview, -> {where("subjective_score < ?",0.0)} #未评阅
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scope :search_by_exercise, lambda {|ids| where(exercise_id:ids)} #根据试卷来查找
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end
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