module ExportHelper include ApplicationHelper require "base64" require 'zip' # 附件导出最大值 MAX_DOWN_SIZE = 500 * 1024 * 1024 SAVE_FOLDER = "#{Rails.root}/files" OUTPUT_FOLDER = "#{Rails.root}/files/archiveZip" MAX_PATH = 50 # 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 def student_work_to_xlsx(works,homework) @work_head_cells = [] @work_cells_column = [] course = homework.course head_cells_format = %w(序号 登录名 真实姓名 邮箱 学号 分班 提交状态) allow_late_boolean = homework.allow_late if allow_late_boolean #允许迟交 allow_late_cell = ["迟交扣分"] else allow_late_cell = [] end if homework.homework_type != "practice" #普通作业/分组作业 homework_type_name = homework.homework_type if homework_type_name == "group" #分组作业 group_cells = ["关联项目"] else group_cells = [] end normal_head_cells = %w(作品描述 教师评分 教辅评分) anon_boolean = homework.anonymous_comment if anon_boolean head_cells_add = %w(匿名评分 缺评扣分 违规匿评申诉扣分) else head_cells_add = [] end normal_head_b_cells = %w(最终成绩 提交时间 更新时间 评语) @work_head_cells = (head_cells_format + group_cells + normal_head_cells + head_cells_add + allow_late_cell + normal_head_b_cells).reject(&:blank?) works.each_with_index do |w, index| w_user = w.user w_1 = (index + 1) w_2 = w_user.login w_3 = w_user.real_name w_3_1 = w_user.mail w_4 = w_user.student_id.present? ? w_user.student_id : "--" course_name = course.course_member(w.user_id).try(:course_group_name) w_5 = course_name.present? ? course_name : "--" #0： 未提交， 1 按时提交， 2 延迟提交 if w.work_status == 0 w_6 = "未提交" elsif w.work_status == 1 w_6 = "按时提交" elsif w.work_status == 2 w_6 = "延迟提交" else w_6 = "--" end if homework_type_name == "group" project_name = w.project if project_name.present? w_7 = w.project.name else w_7 = "--" end else w_7 = nil end w_8 = w.description.present? ? strip_html(w.description) : "--" w_9 = w.teacher_score.nil? ? "未评分" : w.teacher_score.round(1) w_10 = w.teaching_asistant_score.nil? ? "未评分" : w.teaching_asistant_score.round(1) if anon_boolean w_11 = w.student_score.nil? ? "未评分" : w.student_score.round(1) w_12 = (homework.teacher_priority == 1 && !w.teacher_score.nil?) ? 0 : w.absence_penalty #缺评扣分 home_work_de = homework.homework_detail_manual w_13 = home_work_de.present? ? home_work_de.appeal_penalty : "--" #违规匿评申诉扣分 else w_11,w_12,w_13 = nil end if allow_late_boolean #允许迟交 w_14 = (homework.teacher_priority == 1 && !w.teacher_score.nil?) ? 0 : w.late_penalty #迟交扣分 else w_14 = nil end w_15 = w.work_score.nil? ? "未评分" : w.work_score.round(1) w_16 = w.commit_time ? format_time(w.commit_time) : "--" w_17 = w.update_time ? format_time(w.update_time) : "--" teacher_comments = w.student_works_scores if teacher_comments.present? w_18 = "" teacher_comments.each do |t| user_name = t.user&.real_name user_time = format_time(t.updated_at) user_score = t&.score user_comment = t.comment.present? ? t.comment : "--" comment_title = "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" w_18 = w_18 + comment_title end else w_18 = "--" end 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] row_cells_column = row_cells_column.reject(&:blank?) @work_cells_column.push(row_cells_column) end else #实训题 shixun = homework.shixuns.first 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) eff_boolean = homework.work_efficiency if eff_boolean eff_score_cell = ["效率分"] else eff_score_cell = [] end if allow_late_boolean #允许迟交 eff_score_cell.push("迟交扣分") end shixun_time_cells = %w(最终成绩 更新时间 提交耗时 评语) @work_head_cells = (head_cells_format + shixun_head_cells + eff_score_cell + shixun_time_cells).reject(&:blank?) works.each_with_index do |w, index| myshixun = w.try(:myshixun) w_user = w.user w_1 = (index + 1) w_2 = w_user.login w_3 = w_user.real_name w_3_1 = w_user.mail w_4 = w_user.student_id.present? ? w_user.student_id : "--" course_name = course.course_member(w.user_id).try(:course_group_name) w_5 = course_name.present? ? course_name : "--" #0： 未提交， 1 按时提交， 2 延迟提交 if w.work_status == 0 w_6 = "未提交" elsif w.work_status == 1 w_6 = "按时提交" elsif w.work_status == 2 w_6 = "延迟提交" else w_6 = "--" end w_7 = w.work_status == 0 ? '--' : myshixun.try(:passed_count).to_s+"/"+shixun.challenges.count.to_s w_8 = myshixun ? myshixun.try(:passed_time) == "--" ? "--" : format_time(myshixun.try(:passed_time)) : "--" # 通关时间 w_9 = myshixun ? (myshixun.try(:passed_count) > 0 ? myshixun.total_spend_time : '--') : "--" #总耗时 w_10 = myshixun ? myshixun.output_times : 0 #评测次数 w_11 = myshixun ? myshixun.total_score : "--" #获得经验值 w_12 = w.final_score.present? ? w.final_score : 0 if eff_boolean w_13 = w.eff_score else w_13 = nil end if allow_late_boolean #允许迟交 w_14 = w.late_penalty #迟交扣分 else w_14 = nil end w_15 = w.work_score.nil? ? "--" : w.work_score.round(1) w_16 = w.update_time ? format_time(w.update_time) : "--" "更新时间" w_17 = w.cost_time teacher_comments = w.student_works_scores if teacher_comments.present? w_18 = "" teacher_comments.each do |t| user_name = t.user&.real_name user_time = format_time(t.updated_at) user_score = t&.score user_comment = t.comment.present? ? t.comment : "--" comment_title = "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" # ("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") w_18 = w_18 + comment_title end else w_18 = "--" end 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] row_cells_column = row_cells_column.reject(&:blank?) @work_cells_column.push(row_cells_column) end end end #毕设任务的导出 def graduation_work_to_xlsx(items,task,current_user) head_cells_format = %w(序号 登录名 真实姓名 邮箱 学号 分班) task_type_boolean = task.task_type == 2 if task_type_boolean #是否分组 head_cells_format = head_cells_format + ["分组"] end head_cells_format = head_cells_format + ["提交状态"] task_project_boolean = task.base_on_project if task_project_boolean #关联项目 head_cells_format = head_cells_format + ["关联项目"] end head_cells_format = head_cells_format + %w(作品描述 教师评分) task_comment_boolean = task.cross_comment if task_comment_boolean #是否交叉评阅 head_cells_format = head_cells_format + ["交叉评分"] end head_cells_format = head_cells_format + %w(迟交扣分 最终成绩 提交时间 更新时间) @head_cells_column = head_cells_format @task_cells_column = [] items.each_with_index do |work,index| w_1 = (index+1) w_user = work.user w_2 = w_user.login w_3 = w_user.real_name w_3_1 = w_user.mail w_4 = w_user.student_id.present? ? w_user.student_id : "--" w_5 = work.class_grouping_name if task_type_boolean #是否分组 w_6 = work.grouping_name else w_6 = nil end w_7 = work.work_status if task_project_boolean #关联项目 w_project = project_info work, current_user, @user_course_identity #因为课堂引用了export_helper w_8 = w_project[:name] else w_8 = nil end if work.description w_9 = strip_html work.description else w_9 = "--" end w_10 = work.teacher_score.nil? ? "未评分" : work.teacher_score.round(1) if task_comment_boolean #是否交叉评阅 w_11 = work.cross_score.nil? ? "未评分" : work.cross_score.round(1) else w_11 = nil end w_12 = work.late_penalty w_13 = work.work_score.nil? ? "未评分" : work.work_score.round(1) w_14 = work.commit_time.present? ? format_time(work.commit_time) : "--" w_15 = work.update_time.present? ? format_time(work.update_time) : "--" 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] row_cells_column = row_cells_column.reject(&:blank?) @task_cells_column.push(row_cells_column) end end #试卷的导出 def get_export_users(exercise,course,export_ex_users) question_types = exercise.exercise_questions.pluck(:question_type).uniq @table_columns = %w(序号 登录名 真实姓名 邮箱 学号 分班 提交状态) @user_columns = [] ques_type_boolean = question_types.include?(4) if ques_type_boolean #仅存在主观题或客观题的时候 @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) else @table_columns = @table_columns + %w(最终成绩 开始答题时间 提交时间) end export_ex_users.each_with_index do |e_user,index| user_info = e_user.user user_course_id = user_info.course_members.course_find_by_ids("course_id",course.id)&.first if user_course_id.present? get_course_group_id = user_course_id.course_group_id if get_course_group_id.present? && get_course_group_id != 0 user_course_info = CourseGroup.by_group_ids(get_course_group_id) user_course = user_course_info.first.name else user_course = "未分班" end else user_course = "--" end user_obj_score = e_user.objective_score < 0.0 ? 0.0 : e_user.objective_score.round(1).to_s user_suj_score = e_user.subjective_score < 0.0 ? 0.0 : e_user.subjective_score.round(1).to_s user_score = e_user.score.present? ? e_user.score.round(1).to_s : 0.0 if e_user.commit_status.present? && e_user.commit_status == 1 user_commit_stu = "按时提交" else user_commit_stu = "未提交" end user_start_time = e_user.start_at.present? ? e_user.start_at.strftime('%Y-%m-%d %H:%M') : "--" user_end_time = e_user.end_at.present? ? e_user.end_at.strftime('%Y-%m-%d %H:%M') : "--" user_student_id = user_info.student_id.present? ? user_info.student_id : "--" user_option = [index+1,user_info.login,user_info.real_name, user_info.mail || '--', user_student_id,user_course,user_commit_stu] if ques_type_boolean other_user_option = [user_obj_score,user_suj_score,user_score,user_start_time,user_end_time] else other_user_option = [user_score,user_start_time,user_end_time] end user_option = user_option + other_user_option @user_columns.push(user_option) end end #毕设选题的导出 def graduation_topic_to_xlsx(students,course) @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.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 w_3 = user.real_name w_3_1 = user.mail w_4 = user.user_extension.student_id w_5 = 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 = -1 elsif file_count > 0 status = 0 else status = -2 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}" 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 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 end