json.left_banner_id @left_banner_id
json.left_banner_name @left_banner_name
json.partial! "commons/success"

json.exercise do
  json.extract! @exercise, :id, :exercise_name,:exercise_description,:exercise_status, :is_random, :difficulty, :source
  json.is_md true
  json.time @exercise.time
end

json.partial! "exercises/exercise_scores"

json.exercise_questions do
  json.array! @exercise_questions do |q|
    json.partial! "exercise_questions/exercise_questions", question: q,
                  choices:q.exercise_choices,
                  shixun_challenges: q.exercise_shixun_challenges,
                  exercise_type:1,
                  user_answer:[],
                  shixun_type:0,
                  ques_position:nil,
                  edit_type:true,
                  ex_answerer:nil,
                  start_at:nil
  end
end

if @exercise.is_random?
  json.contents(@exercise_random_settings) do |exercise_random_setting|
    json.extract!(exercise_random_setting, :item_type, :difficulty, :sub_discipline_id, :quanlity)
    json.sub_discipline_name exercise_random_setting.sub_discipline.name
    json.discipline_name exercise_random_setting.sub_discipline.discipline.name
  end
  json.score_settings(@exercise_score_settings) do |exericse_score_setting|
    json.item_type exericse_score_setting.item_type
    json.score exericse_score_setting.score
  end
  json.all_sub_disciplines(@exercise_random_settings.joins(:sub_discipline).
      select(:sub_discipline_id, "sub_disciplines.name sub_discipline_name").collect{|ebrs| [ebrs.sub_discipline_id, ebrs.sub_discipline_name]}.uniq) do |examination_bank_random_setting|
    json.sub_discipline_id examination_bank_random_setting[0]
    json.sub_discipline_name examination_bank_random_setting[1]
  end
end
#exercise_type 表示选择公用的模板类型，1为教师预览/编辑，2为空白试卷。