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113 lines
4.7 KiB
113 lines
4.7 KiB
class ExerciseAnswersController < ApplicationController
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before_action :require_login, :check_auth
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before_action :get_exercise_question
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include ExercisesHelper
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def create #每一次答案的点击，请求一次，实训题不在这里回答
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q_type = @exercise_question.question_type #试卷的类型
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choice_id = params[:exercise_choice_id].present? ? params[:exercise_choice_id] : ""
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answer_text = params[:answer_text].present? ? params[:answer_text].strip : "" #为字符串
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if q_type < Exercise::SUBJECTIVE && (q_type != Exercise::MULTIPLE) && choice_id.blank?
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normal_status(-1,"请选择序号")
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else
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ea = @exercise_question.exercise_answers.search_answer_users("user_id",current_user.id) #试卷的当前用户的答案
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if q_type == Exercise::SINGLE || q_type == Exercise::JUDGMENT #选择题（单选）/判断题
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if ea.exists?
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ea.first.update!(exercise_choice_id: choice_id )
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else
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answer_option = {
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:user_id => current_user.id,
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:exercise_question_id => @exercise_question.id,
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:exercise_choice_id => choice_id,
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:answer_text => ""
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}
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ex_a = ExerciseAnswer.new(answer_option)
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ex_a.save!
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end
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elsif q_type == Exercise::MULTIPLE #多选题的
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choice_ids = params[:exercise_choice_id].present? ? params[:exercise_choice_id] : []
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question_choice_ids = @exercise_question.exercise_choices.pluck(:id)
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ea_ids = ea.pluck(:exercise_choice_id)
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common_answer_ids = choice_ids & ea_ids #已经存在的试卷选项id
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new_ids = (choice_ids - common_answer_ids).uniq # 新增的id
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old_ids = (ea_ids - common_answer_ids).uniq #没有选择的，则删掉
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if new_ids.size > 0
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new_ids.each do |e|
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answer_option = {
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:user_id => current_user.id,
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:exercise_question_id => @exercise_question.id,
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:exercise_choice_id => e,
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:answer_text => "",
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:choice_index => question_choice_ids.index(e).to_i + 1 # choice的序号
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}
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ex_a = ExerciseAnswer.new(answer_option)
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ex_a.save!
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end
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end
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if old_ids.size > 0
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ea_answer = ea.search_answer_users("exercise_choice_id",old_ids)
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ea_answer.destroy_all
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end
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elsif q_type == Exercise::COMPLETION #填空题
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answer_option = {
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:user_id => current_user.id,
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:exercise_question_id => @exercise_question.id,
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:exercise_choice_id => choice_id,
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:answer_text => answer_text,
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:choice_index => choice_id
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}
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ea_answer = ea.search_answer_users("exercise_choice_id",choice_id)
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if ea.present? && ea_answer.present?
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ea_answer.first.update!(answer_option)
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else
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ex_new = ExerciseAnswer.new(answer_option)
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ex_new.save!
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end
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elsif q_type == Exercise::SUBJECTIVE #简答题
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answer_option = {
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:user_id => current_user.id,
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:exercise_question_id => @exercise_question.id
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}
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if ea.present? #已经回答了的，
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ea.first.update!(answer_text: answer_text)
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else
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answer_option.merge!(answer_text:answer_text)
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ex_a = ExerciseAnswer.new(answer_option)
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ex_a.save!
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end
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end
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normal_status(0,"回答成功")
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end
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end
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private
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def get_exercise_question
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@exercise_question = ExerciseQuestion.find_by_id(params[:exercise_question_id])
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@exercise = @exercise_question&.exercise
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@course = @exercise&.course
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@exercise_user = @exercise&.exercise_users.find_by(user_id: current_user.id) #当前用户
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@exercise_user_status = @exercise.get_exercise_status(current_user)
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if @exercise_question.blank?
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normal_status(-1,"试卷问题不存在！")
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elsif @exercise.blank?
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normal_status(-1,"试卷不存在！")
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elsif @course.blank?
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normal_status(-1,"该课堂不存在！")
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elsif @exercise_user.blank?
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normal_status(-1,"试卷用户不存在！")
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elsif @exercise_user.commit_status == 1
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normal_status(-1,"已提交/已结束的试卷不允许修改！")
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else
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if (@exercise_user_status == Exercise::DEADLINE && @exercise_user.commit_status == 0) || (@exercise.time > 0 && @exercise_user.start_at.present? && ((@exercise_user.start_at + @exercise.time.to_i.minutes) < Time.now))
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commit_exercise_user @exercise, @exercise_user
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normal_status(-1,"试卷提交时间已截止！")
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end
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end
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end
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end
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