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module ExportHelper
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include ApplicationHelper
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require "base64"
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require 'zip'
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# 附件导出最大值
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MAX_DOWN_SIZE = 500 * 1024 * 1024
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SAVE_FOLDER = "#{Rails.root}/files"
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OUTPUT_FOLDER = "#{Rails.root}/files/archiveZip"
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MAX_PATH = 50
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# 作业导出为xlsx，homework_type 1：普通作业 2：编程作业（弃用） 3：分组作业 4：实训作业
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def student_work_to_xlsx(works,homework)
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@work_head_cells = []
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@work_cells_column = []
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course = homework.course
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head_cells_format = %w(序号 登录名 真实姓名 邮箱 学号 分班 提交状态)
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allow_late_boolean = homework.allow_late
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if allow_late_boolean #允许迟交
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allow_late_cell = ["迟交扣分"]
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else
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allow_late_cell = []
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end
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if homework.homework_type != "practice" #普通作业/分组作业
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homework_type_name = homework.homework_type
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if homework_type_name == "group" #分组作业
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group_cells = ["关联项目"]
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else
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group_cells = []
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end
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normal_head_cells = %w(作品描述 教师评分 教辅评分)
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anon_boolean = homework.anonymous_comment
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if anon_boolean
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head_cells_add = %w(匿名评分 缺评扣分 违规匿评申诉扣分)
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else
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head_cells_add = []
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end
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normal_head_b_cells = %w(最终成绩 提交时间 更新时间 评语)
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@work_head_cells = (head_cells_format + group_cells + normal_head_cells + head_cells_add + allow_late_cell + normal_head_b_cells).reject(&:blank?)
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works.includes(user: :user_extension, student_works_scores: :user).each_with_index do |w, index|
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w_user = w.user
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w_1 = (index + 1)
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if w_user.present?
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w_2 = w_user&.login.present? ? w_user&.login : "--"
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w_3 = w_user&.real_name.present? ? w_user&.real_name : "--"
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w_3_1 = w_user&.mail.present? ? w_user.mail : "--"
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w_4 = w_user.student_id.present? ? w_user.student_id : "--"
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else
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w_2 = "--"
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w_3 = "--"
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w_3_1 = "--"
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w_4 = "--"
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end
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course_name = course.students.find_by(user_id: w.user_id).try(:course_group_name)
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w_5 = course_name.present? ? course_name : "--"
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#0： 未提交， 1 按时提交， 2 延迟提交
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if w.work_status == 0
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w_6 = "未提交"
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elsif w.work_status == 1
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w_6 = "按时提交"
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elsif w.work_status == 2
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w_6 = "延迟提交"
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else
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w_6 = "--"
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end
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if homework_type_name == "group"
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project_name = w.project
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if project_name.present?
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w_7 = w.project.name
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else
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w_7 = "--"
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end
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else
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w_7 = nil
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end
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w_8 = w.description.present? ? strip_html(w.description) : "--"
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w_9 = w.teacher_score.nil? ? "未评分" : w.teacher_score.round(1)
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w_10 = w.teaching_asistant_score.nil? ? "未评分" : w.teaching_asistant_score.round(1)
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if anon_boolean
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w_11 = w.student_score.nil? ? "未评分" : w.student_score.round(1)
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w_12 = (homework.teacher_priority == 1 && !w.teacher_score.nil?) ? 0 : w.absence_penalty #缺评扣分
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home_work_de = homework.homework_detail_manual
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w_13 = home_work_de.present? ? home_work_de.appeal_penalty : "--" #违规匿评申诉扣分
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else
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w_11,w_12,w_13 = nil
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end
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if allow_late_boolean #允许迟交
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w_14 = (homework.teacher_priority == 1 && !w.teacher_score.nil?) ? 0 : w.late_penalty #迟交扣分
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else
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w_14 = nil
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end
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w_15 = w.work_score.nil? ? "未评分" : w.work_score.round(1)
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w_16 = w.commit_time ? format_time(w.commit_time) : "--"
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w_17 = w.update_time ? format_time(w.update_time) : "--"
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teacher_comments = w.student_works_scores
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if teacher_comments.present?
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w_18 = ""
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teacher_comments.each do |t|
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user_name = t.user&.real_name
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user_time = format_time(t.updated_at)
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user_score = t&.score
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user_comment = t.comment.present? ? t.comment : "--"
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comment_title = "#{user_name}： #{user_time.to_s} #{user_score.to_s}分\n#{user_comment}\n\n"
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w_18 = w_18 + comment_title
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end
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else
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w_18 = "--"
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end
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row_cells_column = [w_1,w_2,w_3,w_3_1,w_4,w_5,w_6,w_7,w_8,w_9,w_10,w_11,w_12,w_13,w_14,w_15,w_16,w_17,w_18]
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row_cells_column = row_cells_column.reject(&:blank?)
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@work_cells_column.push(row_cells_column)
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end
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else #实训题
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shixun = homework.shixuns.first
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shixun_head_cells = %w(完成情况 通关时间 总耗时 总评测次数 获得经验值 关卡得分)
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eff_boolean = homework.work_efficiency
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if eff_boolean
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eff_score_cell = ["效率分"]
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else
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eff_score_cell = []
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end
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if allow_late_boolean #允许迟交
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eff_score_cell.push("迟交扣分")
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end
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shixun_time_cells = %w(最终成绩 更新时间 提交耗时 评语)
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@work_head_cells = (head_cells_format + shixun_head_cells + eff_score_cell + shixun_time_cells).reject(&:blank?)
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works.includes(:student_works_scores, user: :user_extension, myshixun: :games).each_with_index do |w, index|
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myshixun = w.try(:myshixun)
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w_user = w.user
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w_1 = (index + 1)
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w_2 = w_user&.login.present? ? w_user&.login : "--"
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w_3 = w_user&.real_name.present? ? w_user&.real_name : "--"
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w_3_1 = w_user&.mail.present? ? w_user.mail : "--"
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w_4 = w_user.student_id.present? ? w_user.student_id : "--"
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course_name = course.students.find_by(user_id: w.user_id).try(:course_group_name)
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w_5 = course_name.present? ? course_name : "--"
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#0： 未提交， 1 按时提交， 2 延迟提交
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if w.work_status == 0
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w_6 = "未提交"
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elsif w.work_status == 1
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w_6 = "按时提交"
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elsif w.work_status == 2
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w_6 = "延迟提交"
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else
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w_6 = "--"
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end
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w_7 = w.work_status == 0 ? '--' : myshixun.try(:passed_count).to_s+"/"+shixun.challenges_count.to_s
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w_8 = myshixun ? myshixun.try(:passed_time) == "--" ? "--" : format_time(myshixun.try(:passed_time)) : "--" # 通关时间
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w_9 = myshixun ? (myshixun.try(:passed_count) > 0 ? myshixun.total_spend_time : '--') : "--" #总耗时
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w_10 = myshixun ? myshixun.output_times : 0 #评测次数
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w_11 = myshixun ? myshixun.total_score : "--" #获得经验值
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w_12 = w.final_score.present? ? w.final_score : 0
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if eff_boolean
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w_13 = w.eff_score
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else
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w_13 = nil
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end
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if allow_late_boolean #允许迟交
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w_14 = w.late_penalty #迟交扣分
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else
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w_14 = nil
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end
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w_15 = w.work_score.nil? ? "--" : w.work_score.round(1)
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w_16 = w.update_time ? format_time(w.update_time) : "--" "更新时间"
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w_17 = (game_spend_time w.cost_time)
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teacher_comments = w.student_works_scores
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if teacher_comments.present?
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w_18 = ""
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teacher_comments.each do |t|
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user_name = t.user&.real_name
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user_time = format_time(t.updated_at)
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user_score = t&.score
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user_comment = t.comment.present? ? t.comment : "--"
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comment_title = "#{user_name}： #{user_time.to_s} #{user_score.to_s}分\n#{user_comment}\n\n"
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w_18 = w_18 + comment_title
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end
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else
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w_18 = "--"
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end
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row_cells_column = [w_1,w_2,w_3,w_3_1,w_4,w_5,w_6,w_7,w_8,w_9,w_10,w_11,w_12,w_13,w_14,w_15,w_16,w_17,w_18]
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row_cells_column = row_cells_column.reject(&:blank?)
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@work_cells_column.push(row_cells_column)
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end
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end
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end
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#毕设任务的导出
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def graduation_work_to_xlsx(items,task,current_user)
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head_cells_format = %w(序号 登录名 真实姓名 邮箱 学号 分班)
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task_type_boolean = task.task_type == 2
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if task_type_boolean #是否分组
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head_cells_format = head_cells_format + ["分组"]
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end
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head_cells_format = head_cells_format + ["提交状态"]
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task_project_boolean = task.base_on_project
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if task_project_boolean #关联项目
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head_cells_format = head_cells_format + ["关联项目"]
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end
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head_cells_format = head_cells_format + %w(作品描述 教师评分)
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task_comment_boolean = task.cross_comment
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if task_comment_boolean #是否交叉评阅
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head_cells_format = head_cells_format + ["交叉评分"]
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end
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head_cells_format = head_cells_format + %w(迟交扣分 最终成绩 提交时间 更新时间 评语)
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@head_cells_column = head_cells_format
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@task_cells_column = []
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items.includes(user: :user_extension).each_with_index do |work,index|
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w_1 = (index+1)
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w_user = work.user
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w_2 = w_user&.login.present? ? w_user&.login : "--"
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w_3 = w_user&.real_name.present? ? w_user&.real_name : "--"
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w_3_1 = w_user&.mail.present? ? w_user.mail : "--"
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w_4 = w_user.student_id.present? ? w_user.student_id : "--"
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w_5 = work.class_grouping_name
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if task_type_boolean #是否分组
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w_6 = work.grouping_name
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else
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w_6 = nil
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end
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w_status = work.work_status.to_i
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if w_status == 0
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w_7 = "未提交"
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elsif w_status == 1
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w_7 = "按时提交"
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elsif w_status == 2
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w_7 = "延时提交"
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else
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w_7 = "--"
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end
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if task_project_boolean #关联项目
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w_project = project_info work, current_user, @user_course_identity #因为课堂引用了export_helper
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w_8 = w_project[:name]
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else
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w_8 = nil
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end
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if work.description
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w_9 = strip_html work.description
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else
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w_9 = "--"
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end
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w_10 = work.teacher_score.nil? ? "未评分" : work.teacher_score.round(1)
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if task_comment_boolean #是否交叉评阅
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w_11 = work.cross_score.nil? ? "未评分" : work.cross_score.round(1)
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else
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w_11 = nil
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end
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w_12 = work.late_penalty
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w_13 = work.work_score.nil? ? "未评分" : work.work_score.round(1)
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w_14 = work.commit_time.present? ? format_time(work.commit_time) : "--"
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w_15 = work.update_time.present? ? format_time(work.update_time) : "--"
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teacher_comments = work.graduation_work_scores
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if teacher_comments.present?
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w_16 = ""
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teacher_comments.each do |t|
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user_name = t.user&.real_name
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user_time = format_time(t.updated_at)
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user_score = t&.score
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user_comment = t.comment.present? ? t.comment : "--"
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comment_title = "#{user_name}： #{user_time.to_s} #{user_score.to_s}分\n#{user_comment}\n\n"
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# ("教师:" + user_name + "\n" + "时间:" + user_time.to_s + "\n" + "分数:" + user_score.to_s + "分" + "\n" + "评语:" + user_comment + "\n\n")
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w_16 = w_16 + comment_title
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end
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else
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w_16 = "--"
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end
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row_cells_column = [w_1,w_2,w_3,w_3_1,w_4,w_5,w_6,w_7,w_8,w_9,w_10,w_11,w_12,w_13,w_14,w_15,w_16]
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row_cells_column = row_cells_column.reject(&:blank?)
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@task_cells_column.push(row_cells_column)
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end
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end
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#试卷的导出
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def get_export_users(exercise,course,export_ex_users)
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question_types = exercise.exercise_questions.pluck(:question_type).uniq
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@table_columns = %w(序号 登录名 真实姓名 邮箱 学号 分班 提交状态)
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@user_columns = []
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ques_type_boolean = question_types.include?(4)
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if ques_type_boolean #仅存在主观题或客观题的时候
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@table_columns = @table_columns + %w(客观题成绩 主观题成绩 最终成绩 开始答题时间 提交时间)
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else
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@table_columns = @table_columns + %w(最终成绩 开始答题时间 提交时间)
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end
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export_ex_users.includes(user: :user_extension).each_with_index do |e_user,index|
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user_info = e_user.user
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member = course.students.find_by_user_id(e_user.user_id)
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user_course = member.try(:course_group_name)
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user_obj_score = e_user.objective_score < 0.0 ? 0.0 : e_user.objective_score.round(1).to_s
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user_suj_score = e_user.subjective_score < 0.0 ? 0.0 : e_user.subjective_score.round(1).to_s
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user_score = e_user.score.present? ? e_user.score.round(1).to_s : 0.0
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if e_user.commit_status.present? && e_user.commit_status == 1
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user_commit_stu = "按时提交"
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else
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user_commit_stu = "未提交"
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end
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user_start_time = e_user.start_at.present? ? e_user.start_at.strftime('%Y-%m-%d %H:%M') : "--"
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user_end_time = e_user.end_at.present? ? e_user.end_at.strftime('%Y-%m-%d %H:%M') : "--"
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user_student_id = user_info.student_id.present? ? user_info.student_id : "--"
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user_login = user_info&.login.present? ? user_info.login : "--"
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user_real_name = user_info.real_name.present? ? user_info.real_name : "--"
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user_mail = user_info&.mail.present? ? user_info.mail : "--"
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user_option = [index+1,user_login,user_real_name, user_mail,
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user_student_id,user_course,user_commit_stu]
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if ques_type_boolean
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other_user_option = [user_obj_score,user_suj_score,user_score,user_start_time,user_end_time]
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else
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other_user_option = [user_score,user_start_time,user_end_time]
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end
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user_option = user_option + other_user_option
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@user_columns.push(user_option)
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end
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end
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#毕设选题的导出
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def graduation_topic_to_xlsx(students,course)
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@topic_head_cells = %w(序号 登录名 真实姓名 邮箱 学号 分班 课题名称 指导教师 教师职位 设计 论文 创作 生产/社会实际 结合科研 其它 真题 模拟题 纵向课题 横向课题 自选 新题 往届题，有新要求
|
|
|
往届题，无新要求 课题来源单位 调研或实习地点 确认结果)
|
|
|
|
|
|
@topic_body_cells = []
|
|
|
if students.count > 0
|
|
|
students.includes(user: :user_extension).each_with_index do |student, index|
|
|
|
user = student.user
|
|
|
student_topic = course.student_graduation_topics.user_topics_accept(user.id).first
|
|
|
if student_topic.present?
|
|
|
topic = student_topic.graduation_topic
|
|
|
else
|
|
|
student_topic = nil
|
|
|
topic = nil
|
|
|
end
|
|
|
w_1 = (index+1)
|
|
|
w_2 = user&.login.present? ? user&.login : "--"
|
|
|
w_3 = user&.real_name.present? ? user&.real_name : "--"
|
|
|
w_3_1 = user&.mail.present? ? user.mail : "--"
|
|
|
w_4 = user.student_id.present? ? user.student_id : "--"
|
|
|
w_5 = student&.course_group_name.present? ? student.course_group_name : "--"
|
|
|
w_6 = topic.present? ? topic.name : "--"
|
|
|
w_7 = topic.present? ? topic.teacher.full_name : "--"
|
|
|
w_8 = topic.present? ? topic.teacher.identity : "--"
|
|
|
|
|
|
if topic.present?
|
|
|
w_9 = topic.topic_type == 1 ? "√" : ""
|
|
|
w_10 = topic.topic_type == 2 ? "√" : ""
|
|
|
w_11 = topic.topic_type == 3 ? "√" : ""
|
|
|
w_12 = topic.topic_source == 1 ? "√" : ""
|
|
|
w_13 = topic.topic_source == 2 ? "√" : ""
|
|
|
w_14 = topic.topic_source == 3 ? "√" : ""
|
|
|
w_15 = topic.topic_property_first == 1 ? "√" : ""
|
|
|
w_16 = topic.topic_property_first == 2 ? "√" : ""
|
|
|
w_17 = topic.topic_property_second == 1 ? "√" : ""
|
|
|
w_18 = topic.topic_property_second == 2 ? "√" : ""
|
|
|
w_19 = topic.topic_property_second == 3 ? "√" : ""
|
|
|
w_20 = topic.topic_repeat == 1 ? "√" : ""
|
|
|
w_21 = topic.topic_repeat == 2 ? "√" : ""
|
|
|
w_22 = topic.topic_repeat == 3 ? "√" : ""
|
|
|
w_23 = topic.source_unit
|
|
|
w_24 = "#{topic.province}#{topic.city}"
|
|
|
else
|
|
|
w_9,w_10,w_11,w_12,w_13,w_14,w_15,w_16,w_17,w_18,w_19,w_20,w_21,w_22,w_23,w_24 = "--"
|
|
|
end
|
|
|
if student_topic.present?
|
|
|
w_25 = student_topic.status == 0 ? "待确认" : "已同意"
|
|
|
else
|
|
|
w_25 = "--"
|
|
|
end
|
|
|
student_info_array = [w_1,w_2,w_3,w_3_1,w_4,w_5,w_6,w_7,w_8,w_9,w_10,w_11,w_12,w_13,w_14,w_15,w_16,w_17,w_18,w_19,w_20,w_21,w_22,w_23,w_24,w_25]
|
|
|
@topic_body_cells.push(student_info_array)
|
|
|
end
|
|
|
end
|
|
|
end
|
|
|
|
|
|
def encode64(str)
|
|
|
Base64.urlsafe_encode64(str)
|
|
|
end
|
|
|
|
|
|
def decode64(str)
|
|
|
Base64.urlsafe_decode64(str)
|
|
|
end
|
|
|
|
|
|
# 检测文件大小是否超过500m
|
|
|
def checkfileSize(works)
|
|
|
file_count = 0
|
|
|
file_size = 0
|
|
|
works.each do |work|
|
|
|
file_count += work.attachments.count
|
|
|
work.attachments.each do |attach|
|
|
|
file_size += attach.filesize
|
|
|
end
|
|
|
end
|
|
|
|
|
|
if file_size > MAX_DOWN_SIZE
|
|
|
status = -2
|
|
|
elsif file_count > 0
|
|
|
status = 0
|
|
|
else
|
|
|
status = -1
|
|
|
end
|
|
|
status
|
|
|
end
|
|
|
|
|
|
def zip_homework_common homework_common, student_works
|
|
|
bid_homework_path = []
|
|
|
digests = []
|
|
|
student_works.each do |work|
|
|
|
unless work.attachments.empty?
|
|
|
out_file = zip_student_work_by_user(work, homework_common)
|
|
|
|
|
|
bid_homework_path << out_file.file_path
|
|
|
digests << out_file.file_digest
|
|
|
end
|
|
|
end
|
|
|
|
|
|
out_file_name = "#{Time.now.to_i}_#{homework_common.name}.zip"
|
|
|
out_file_name.gsub!(" ", "-")
|
|
|
out_file_name.gsub!("/", "_")
|
|
|
out_file = find_or_pack(homework_common, homework_common.user_id, digests.sort){
|
|
|
zipping(out_file_name, bid_homework_path, OUTPUT_FOLDER)
|
|
|
}
|
|
|
|
|
|
[{files:[out_file.file_path], count: 1, index: 1,
|
|
|
real_file: out_file.file_path,
|
|
|
file: File.basename(out_file.file_path),
|
|
|
base64file: encode64(File.basename(out_file.file_path)),
|
|
|
size:(out_file.pack_size / 1024.0 / 1024.0).round(2)
|
|
|
}]
|
|
|
end
|
|
|
|
|
|
def zip_student_work_by_user(work, object)
|
|
|
homeworks_attach_path = []
|
|
|
not_exist_file = []
|
|
|
filename = []
|
|
|
# 需要将所有homework.attachments遍历加入zip
|
|
|
digests = []
|
|
|
work.attachments.each do |attach|
|
|
|
if File.exist?(attach.diskfile)
|
|
|
homeworks_attach_path << attach.diskfile
|
|
|
digests << attach.digest
|
|
|
filename << attach.filename
|
|
|
else
|
|
|
not_exist_file << attach.filename
|
|
|
digests << 'not_exist_file'
|
|
|
filename << attach.filename
|
|
|
end
|
|
|
end
|
|
|
|
|
|
#单个文件的话,不需要压缩,只改名
|
|
|
if homeworks_attach_path.size == 1
|
|
|
out_file = find_or_pack(object, work.user_id, digests.sort){
|
|
|
des_path = "#{OUTPUT_FOLDER}/#{make_zip_name(work, filename.first)}_#{File.basename(homeworks_attach_path.first)}"
|
|
|
FileUtils.cp homeworks_attach_path.first, des_path
|
|
|
des_path
|
|
|
}
|
|
|
else
|
|
|
out_file = find_or_pack(object, work.user_id, digests.sort){
|
|
|
zipping("#{make_zip_name(work)}.zip",
|
|
|
homeworks_attach_path, OUTPUT_FOLDER, true, not_exist_file)
|
|
|
}
|
|
|
end
|
|
|
out_file
|
|
|
|
|
|
end
|
|
|
|
|
|
def find_or_pack(homework, user_id, digests)
|
|
|
raise "please given a pack block" unless block_given?
|
|
|
|
|
|
out_file = ZipPack.packed?(homework, user_id, digests.sort)
|
|
|
|
|
|
unless out_file && out_file.file_valid?
|
|
|
file = yield
|
|
|
|
|
|
ZipPack.where(container_id: homework.id, container_type: homework.class.to_s, user_id: user_id).delete_all
|
|
|
|
|
|
out_file = ZipPack.create(container_id: homework.id,
|
|
|
container_type: homework.class.to_s,
|
|
|
user_id: user_id,
|
|
|
file_digest: Educoder::Utils.digest(file),
|
|
|
file_path: file,
|
|
|
pack_size: File.size(file),
|
|
|
file_digests: digests.join(',')
|
|
|
)
|
|
|
else
|
|
|
out_file.pack_times = out_file.pack_times + 1
|
|
|
out_file.save
|
|
|
end
|
|
|
|
|
|
out_file
|
|
|
end
|
|
|
|
|
|
def make_zip_name(work, file_name="")
|
|
|
Rails.logger.info("######################file_name: #{file_name}")
|
|
|
name = file_name === "" ? "" : (file_name[0, file_name.rindex('.')]+"_")
|
|
|
"#{name}#{work.user.real_name}_#{((work.user.student_id.nil?) ? "" : work.user.student_id)}"
|
|
|
end
|
|
|
|
|
|
def zipping(zip_name_refer, files_paths, output_path, is_attachment=false, not_exist_file=[])
|
|
|
rename_zipfile = zip_name_refer ||= "#{Time.now.to_i.to_s}.zip"
|
|
|
# 文件名过长
|
|
|
|
|
|
if rename_zipfile.size > MAX_PATH
|
|
|
rename_zipfile = rename_zipfile[0,rename_zipfile.size-4][0,MAX_PATH-4] + rename_zipfile[-4,4]
|
|
|
end
|
|
|
|
|
|
zipfile_name = "#{output_path}/#{rename_zipfile}"
|
|
|
|
|
|
# 同名文件重命名时用
|
|
|
index = 1
|
|
|
Dir.mkdir(File.dirname(zipfile_name)) unless File.exist?(File.dirname(zipfile_name))
|
|
|
Zip::File.open(zipfile_name, Zip::File::CREATE) do |zipfile|
|
|
|
files_paths.each do |filename|
|
|
|
rename_file = File.basename(filename)
|
|
|
rename_file = filename_to_real( File.basename(filename)) if is_attachment
|
|
|
|
|
|
begin
|
|
|
zipfile.add(rename_file, filename)
|
|
|
rescue Exception => e
|
|
|
rename_file = rename_same_file(rename_file, index)
|
|
|
index += 1
|
|
|
zipfile.add(rename_file, filename)
|
|
|
|
|
|
# zipfile.get_output_stream('FILE_NOTICE.txt'){|os| os.write "该作品中有重复命名文件，请通过文件名学号和姓名信息进入该作业详细界面手动下载"}
|
|
|
next
|
|
|
end
|
|
|
end
|
|
|
unless not_exist_file.empty?
|
|
|
zipfile.get_output_stream('FILE_LOST.txt'){|os| os.write "以下文件无法成功下载，请联系相关人员重新上传：" +
|
|
|
not_exist_file.join(',').to_s}
|
|
|
end
|
|
|
end
|
|
|
zipfile_name
|
|
|
end
|
|
|
|
|
|
def filename_to_real(name)
|
|
|
attach = Attachment.find_by_disk_filename(name)
|
|
|
attach.filename
|
|
|
end
|
|
|
|
|
|
def format_sheet_name name
|
|
|
name = name.gsub(":", "-")
|
|
|
end
|
|
|
|
|
|
def rename_same_file(name, index)
|
|
|
basename = File.basename(name, ".*")
|
|
|
new_basename = basename + "_" + index.to_s
|
|
|
extname = File.extname(name)
|
|
|
new_basename + extname
|
|
|
end
|
|
|
end
|
