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class StudentWork < ApplicationRecord
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#学生提交作品表 #work_status :0 未提交 1 已提交 2 迟交
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belongs_to :user
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belongs_to :commit_user, class_name: 'User', foreign_key: :commit_user_id, optional: true
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belongs_to :homework_common
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belongs_to :myshixun, optional: true
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has_many :student_works_evaluation_distributions, dependent: :destroy
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has_many :student_works_scores, dependent: :destroy
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belongs_to :project, optional: true
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# attachtype: 1（正常提交的附件）， 7（补交的附件）
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has_many :attachments, as: :container, dependent: :destroy
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has_many :tidings, as: :container, dependent: :destroy
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has_many :challenge_work_scores, dependent: :destroy
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before_save :set_work_score
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validates :description, length: { maximum: 5000 }
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scope :has_committed, lambda { where("work_status != 0") }
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# 未提交
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scope :unfinished, -> {where(work_status: 0)}
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# 按时提交
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scope :finished, -> {where(work_status: 1)}
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# 延迟提交
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scope :delay_finished, -> {where(work_status: 2)}
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#按用户id查找
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scope :homework_by_user, lambda{|ids| where(user_id: ids)}
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#根据homework_common_id查找
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scope :find_by_homework, lambda{|ids| where(homework_common_id: ids)}
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def myshixun_consume
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self.myshixun && self.myshixun.passed_count > 0 ? self.myshixun.total_spend_time : "--"
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end
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# 助教评分次数
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def ta_comment_count
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self.student_works_scores.select{|score| score.reviewer_role == 2}.group_by(&:user_id).count
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end
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# 匿评次数
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def student_comment_num
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homework_common.homework_detail_manual.comment_status > 2 ? self.student_works_scores.select{|score| score.reviewer_role == 3}.group_by(&:user_id).count : 0
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end
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# 匿评申诉总条数
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def appeal_all_count
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homework_common.homework_detail_manual.comment_status >= 3 ? self.student_works_scores.
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select{|score| score.reviewer_role == 3 && score.appeal_status != 0}.group_by(&:user_id).count : 0
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end
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# 匿评申诉待处理条数
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def appeal_deal_count
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homework_common.homework_detail_manual.comment_status >= 3 ? self.student_works_scores.
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select{|score| score.reviewer_role == 3 && score.appeal_status == 1}.group_by(&:user_id).count : 0
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end
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# 当前用户该作品的匿评申诉总条数
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def my_appeal_all_count user_id
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student_works_scores.select{|score| score.reviewer_role == 3 && score.appeal_status != 0 && score.user_id == user_id}.size
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end
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# 当前用户该作品的匿评申诉总条数
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def my_appeal_deal_count user_id
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student_works_scores.select{|score| score.reviewer_role == 3 && score.appeal_status == 1 && score.user_id == user_id}.size
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end
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# 分组名
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def work_group_name
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self.group_id == 0 ? "--" : "分组#{self.group_id}"
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end
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# 助教评分
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def ta_score ta_mode
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if ta_mode == 1
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ts_score = StudentWorksScore.find_by_sql("SELECT AVG(score) AS score FROM (SELECT * FROM
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(SELECT * FROM student_works_scores WHERE student_work_id = #{self.id}
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AND reviewer_role = 2 AND score IS NOT NULL ORDER BY created_at DESC)
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AS t GROUP BY user_id) AS a")
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score = ts_score.first.score.nil? ? nil : ts_score.first.score.to_f.try(:round, 2)
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else
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score = StudentWorksScore.where("student_work_id = #{self.id} AND reviewer_role = 2 AND score IS NOT NULL").last.try(:score)
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end
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end
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# 缺评次数
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def absence_count
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absence_penalty_count = self.user.student_works_evaluation_distributions.joins(:student_work).
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where("homework_common_id = #{self.homework_common_id}").count -
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self.user.student_works_scores.joins(:student_work).where("homework_common_id = #{self.homework_common_id}
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and reviewer_role = 3").select("distinct student_work_id").count
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absence_penalty_count = absence_penalty_count < 0 ? 0 : absence_penalty_count
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end
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# 违规匿评次数
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def appeal_count
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appeal_count = self.user.student_works_scores.joins(:student_work).where("homework_common_id = #{self.homework_common_id}
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and appeal_status = 3").select("distinct student_work_id").count
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end
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def delete_atta atta
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last_score = student_works_scores.where.not(score: nil).last
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atta.author_id == user_id && (!last_score.present? || last_score.try(:created_at) < atta.created_on)
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end
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# 作品总体评价
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def overall_appraisal
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case self.work_score.to_i
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when (90..100)
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'优秀'
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when (70...90)
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'良好'
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when (60...70)
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'及格'
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when (0...60)
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'不及格'
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end
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end
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# 更新作品成绩
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def set_work_score
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if work_status > 0 && homework_common && homework_common.homework_detail_manual && !self.ultimate_score
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case homework_common.homework_type
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when "normal", "group"
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if !homework_common.homework_detail_manual.final_mode
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tea_ass_proportion = homework_common.homework_detail_manual.ta_proportion
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tea_proportion = homework_common.homework_detail_manual.te_proportion
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if self.teacher_score
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if self.teaching_asistant_score.nil?
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if self.student_score.nil?
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self.final_score = self.teacher_score
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else
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te_proportion = tea_proportion + tea_ass_proportion / 2
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final_te_score = BigDecimal.new("#{self.teacher_score}") * BigDecimal.new("#{te_proportion}")
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final_s_score = BigDecimal.new("#{self.student_score}") * (BigDecimal.new('1.0') -
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BigDecimal.new("#{te_proportion}"))
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final_score = final_te_score + final_s_score
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self.final_score = format("%.2f", final_score.to_f)
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end
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else
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if self.student_score.nil?
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te_proportion = tea_proportion + (1.0 - tea_proportion - tea_ass_proportion) / 2
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final_te_score = BigDecimal.new("#{self.teacher_score}") * BigDecimal.new("#{te_proportion}")
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final_ta_score = BigDecimal.new("#{self.teaching_asistant_score}") * (BigDecimal.new('1.0') -
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BigDecimal.new("#{te_proportion}"))
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final_score = final_te_score + final_ta_score
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self.final_score = format("%.2f",final_score.to_f)
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else
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final_te_score = BigDecimal.new("#{self.teacher_score}") * BigDecimal.new("#{tea_proportion}")
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final_ta_score = BigDecimal.new("#{self.teaching_asistant_score}") * BigDecimal.new("#{tea_ass_proportion}")
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final_s_score = BigDecimal.new("#{self.student_score}") * (BigDecimal.new('1.0') -
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BigDecimal.new("#{tea_proportion}") - BigDecimal.new("#{tea_ass_proportion}"))
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final_score = final_te_score + final_ta_score + final_s_score
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self.final_score = format("%.2f",final_score.to_f)
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end
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end
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else
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if self.teaching_asistant_score.nil?
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self.final_score = self.student_score
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elsif self.student_score.nil?
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self.final_score = self.teaching_asistant_score
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else
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ta_proportion = tea_ass_proportion + tea_proportion / 2
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final_ta_score = BigDecimal.new("#{self.teaching_asistant_score}") * BigDecimal.new("#{ta_proportion}")
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final_s_score = BigDecimal.new("#{self.student_score}") * (BigDecimal.new('1.0') -
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BigDecimal.new("#{ta_proportion}"))
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final_score = final_ta_score + final_s_score
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self.final_score = format("%.2f",final_score.to_f)
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end
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end
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else
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self.final_score = self.teacher_score ? self.teacher_score :
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(self.teaching_asistant_score ? self.teaching_asistant_score : self.student_score)
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end
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# 作品最终得分work_score 等于作品得分 - 缺评扣分 - 迟交扣分 - 申诉扣分
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score = self.final_score.to_f - self.absence_penalty - self.late_penalty - self.appeal_penalty if self.final_score
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self.work_score = score ? format("%.2f",(score < 0 ? 0 : score).to_f) : nil
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when "practice"
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# 作品最终得分work_score 等于作品关卡得分 + 效率分 - 迟交扣分
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work_score = self.final_score + self.eff_score - self.late_penalty if self.final_score
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self.work_score = work_score ? format("%.2f", work_score < 0 ? 0 : work_score) : nil
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end
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end
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end
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def scored?
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student_works_scores.where.not(reviewer_role: 3).exists?
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end
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end
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