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class QuestionBanksController < ApplicationController
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before_action :require_login
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before_action :params_filter
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# 题库选用列表
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# object_type: # normal 普通作业题库； group 分组作业题库； poll问卷题库； exercise试卷题库; gtask 毕设选题题库；gtopic 毕设任务
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# filter: 过滤条件 public公共题库， myself我的题库
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# search: 搜索条件
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def bank_list
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page = params[:page] || 1
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limit = params[:limit] || 15
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@certification_teacher = current_user.is_certification_teacher || current_user.admin?
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@objects = @object_type.classify.constantize.where(@object_filter)
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@objects =
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if params[:search]
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if params[:filter] == 'public'
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# 已认证才能获取题库
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if @certification_teacher
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sql = %Q{
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#{@objects.table_name}.is_public = 1 and concat(#{@objects.table_name}.name, course_lists.name) like
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'%#{params[:search]}%'
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}
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@objects.joins(:course_list).where(sql)
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else
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@objects.none
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end
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else
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sql = %Q{
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#{@objects.table_name}.user_id = #{current_user.id} and concat(#{@objects.table_name}.name, course_lists.name) like
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'%#{params[:search]}%'
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}
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@objects.joins(:course_list).where(sql)
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end
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else
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if params[:filter] == 'public'
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if @certification_teacher # 只用平台已认证的老师才能获取题库
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@objects.is_public
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else
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@objects.none
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end
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else
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@objects.myself(current_user.id)
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end
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end
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@objects = @objects.page(page).per(limit)
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end
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# 保存题库
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def save_banks
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tip_exception("bank_id不能为空") if params[:bank_id].blank?
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tip_exception("一次最多只能选用15份题库") if params[:bank_id].count > 15
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tip_exception("course_id不能为空") if params[:course_id].blank?
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begin
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objects = @object_type.classify.constantize.where(id: params[:bank_id])
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course = Course.find params[:course_id]
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new_object_ids = []
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objects.each do |object|
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case @object_type
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when 'HomeworkBank' # 作业
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new_object = quote_homework_bank object,course
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when 'ExerciseBank'
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if object.container_type == 'Exercise' # 试卷
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new_object = quote_exercise_bank object, course
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else # 问卷
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new_object = quote_poll_bank object, course
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end
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when 'GtaskBank'
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new_object = quote_gtask_bank object, course
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when 'GtopicBank'
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new_object = quote_gtopic_bank object, course
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end
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new_object_ids << new_object.id
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end
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render json: {status: 0, message: "选题成功", object_ids: new_object_ids}
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rescue Exception => e
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uid_logger_error(e.message)
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tip_exception("题库选用失败")
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raise ActiveRecord::Rollback
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end
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end
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def destroy
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bank = current_bank
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unless user.admin? || bank.user_id == user.id
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render_forbidden
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return
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end
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bank.destroy!
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render_ok
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end
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def public
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current_bank.update!(is_public: true)
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render_ok
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end
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private
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def current_bank
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@_current_bank ||= @object_type.classify.constantize.where(@object_filter).find(params[:id])
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end
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def params_filter
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type = ["normal", "group", "poll", "exercise", "gtask", "gtopic"]
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tip_exception("object_type类型不正确") unless type.include?(params[:object_type])
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# HomeworkBank 普通、分组作业题库；ExerciseBank试卷、问卷题库；GtaskBank毕设选题题库；GtopicBank毕设任务题库；
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case params[:object_type]
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when 'normal'
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@object_type = "HomeworkBank"
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@object_filter = "homework_type = 1" # 普通作业
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when 'group'
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@object_type = "HomeworkBank"
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@object_filter = "homework_type = 3" # 分组作业
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when 'poll'
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@object_type = "ExerciseBank"
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@object_filter = "container_type = 'Poll'" # 问卷
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when 'exercise'
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@object_type = "ExerciseBank"
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@object_filter = "container_type = 'Exercise'" # 试卷
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when 'gtask'
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@object_type = "GtaskBank"
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@object_filter = nil
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when 'gtopic'
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@object_type = "GtopicBank"
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@object_filter = nil
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end
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end
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def quote_homework_bank homework, course
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ActiveRecord::Base.transaction do
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# 复制作业的基本信息
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new_homework = HomeworkCommon.new(name: homework.name, user_id: current_user.id, description: homework.description,
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homework_type: homework.homework_type, course_id: course.id, homework_bank_id: homework.id,
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reference_answer: homework.reference_answer)
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# 作业的基本设置复制
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new_homework.homework_detail_manual = HomeworkDetailManual.new
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new_homework_detail_manual = new_homework.homework_detail_manual
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if new_homework.homework_type == "group"
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# 分组作业表的复制
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new_homework.homework_detail_group = HomeworkDetailGroup.new
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new_homework.homework_detail_group.min_num = homework.min_num
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new_homework.homework_detail_group.max_num = homework.max_num
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new_homework.homework_detail_group.base_on_project = homework.base_on_project
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end
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# 附件
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homework.attachments.try(:each) do |attachment|
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att = attachment.copy
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att.container_id = nil
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att.container_type = nil
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att.author_id = homework.user_id
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att.copy_from = attachment.id
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att.save
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new_homework.attachments << att
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end
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if new_homework.save
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new_homework_detail_manual.save if new_homework_detail_manual
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new_homework.homework_detail_group.save if new_homework.homework_detail_group
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HomeworksService.new.create_works_list(new_homework, course)
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homework.update_column(:quotes, homework.quotes+1)
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end
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new_homework
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end
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end
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def quote_exercise_bank exercise, course
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ActiveRecord::Base.transaction do
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new_exercise = Exercise.new(:exercise_name => exercise.name, :exercise_description => exercise.description,
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:user_id => current_user.id, :course_id => course.id, :exercise_bank_id => exercise.id)
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# 复制试卷基本信息
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exercise.exercise_bank_questions.each do |q|
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option = {
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:question_title => q.question_title,
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:question_type => q.question_type || 1,
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:question_number => q.question_number,
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:question_score => q.question_score,
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:shixun_id => q.shixun_id
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}
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exercise_question = new_exercise.exercise_questions.new option
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# question_type：5实训题；其他是非实训题
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if q.question_type != 5
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# 复制选择题题目选项
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q.exercise_bank_choices.try(:each_with_index) do |choice, index|
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exercise_question.exercise_choices.new({choice_position: index+1, choice_text: choice.choice_text})
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end
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# 复制标准答案(填空题和问答题) 多空填空题的话，应该是原标准答案的exercise_choice_id，即为题空的位置。
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q.exercise_bank_standard_answers.try(:each) do |answer|
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exercise_question.exercise_standard_answers.new({exercise_choice_id: answer.exercise_bank_choice_id, answer_text: answer.answer_text})
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end
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else
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# 复制实训题
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q.exercise_bank_shixun_challenges.try(:each_with_index) do |sc, index|
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exercise_question.exercise_shixun_challenges.new({position: index+1, challenge_id: sc.challenge_id,
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shixun_id: sc.shixun_id, question_score: sc.question_score})
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end
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end
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end
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# 添加学生
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# if new_exercise.save
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# new_exercise.create_exercise_list
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# exercise.update_column(:quotes, exercise.quotes+1)
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# end
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new_exercise if new_exercise.save!
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end
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end
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def quote_poll_bank poll, course
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ActiveRecord::Base.transaction do
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new_poll = Poll.new(:polls_name => poll.name, :polls_description => poll.description, :user_id => current_user.id,
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:polls_type => 'Course', :course_id => course.id, :exercise_bank_id => poll.id)
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poll.exercise_bank_questions.try(:each) do |q|
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option = {
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:question_title => q.question_title,
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:question_type => q.question_type || 1,
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:is_necessary => q.is_necessary,
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:question_number => q.question_number,
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:max_choices => q.max_choices,
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:min_choices => q.min_choices
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}
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poll_question = new_poll.poll_questions.new option
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q.exercise_bank_choices.try(:each_with_index) do |choice, index|
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poll_question.poll_answers.new({answer_position: index+1, answer_text: choice.choice_text})
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end
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end
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# if new_poll.save
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# new_poll.create_polls_list
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# poll.update_column(:quotes, poll.quotes+1)
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# end
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new_poll if new_poll.save!
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end
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end
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def quote_gtask_bank task, course
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ActiveRecord::Base.transaction do
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new_task = GraduationTask.new
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new_task.attributes = task.attributes.dup.except("id", "course_id", "user_id", "quotes", "graduation_task_id",
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"course_list_id", "gtask_bank_id")
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new_task.course_id = course.id
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new_task.gtask_bank_id = task.id
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new_task.user_id = current_user.id
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if new_task.save!
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new_task.create_work_list
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end
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# 复制附件内容
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task.attachments.try(:each) do |attachment|
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att = attachment.copy
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att.container_id = nil
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att.container_type = nil
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att.author_id = task.user_id
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att.copy_from = attachment.id
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att.save
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new_task.attachments << att
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end
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task.update_column(:quotes, task.quotes+1)
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new_task
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end
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end
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def quote_gtopic_bank topic, course
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ActiveRecord::Base.transaction do
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new_topic = GraduationTopic.new
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new_topic.attributes = topic.attributes.dup.except("id", "course_id", "user_id", "graduation_topic_id",
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"course_list_id", "gtopic_bank_id")
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new_topic.course_id = course.id
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new_topic.gtopic_bank_id = topic.id
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new_topic.user_id = current_user.id
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new_topic.save
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topic.attachments.each.try(:each) do |attachment|
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att = attachment.copy
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att.container_id = nil
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att.container_type = nil
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att.author_id = topic.user_id
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att.copy_from = attachment.id
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att.save
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new_topic.attachments << att
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end
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topic.update_column(:quotes, topic.quotes+1)
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new_topic
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end
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end
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end
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