试卷题库

app/controllers/exercise_bank_questions_controller.rb

@@ -0,0 +1,2 @@
+class ExerciseBankQuestionsController < ApplicationController
+end

app/controllers/exercise_banks_controller.rb

@@ -1,3 +1,4 @@
+#encoding: UTF-8
 class ExerciseBanksController < ApplicationController
   before_action :require_login
   before_action :find_bank

app/helpers/exercise_bank_questions_helper.rb

@@ -0,0 +1,2 @@
+module ExerciseBankQuestionsHelper
+end

app/models/exercise_bank_standard_answer.rb

@@ -2,4 +2,5 @@ class ExerciseBankStandardAnswer < ApplicationRecord
   belongs_to :exercise_bank_question
   belongs_to :exercise_bank_choice
   #attr_accessible :answer_text
+  scope :standard_by_ids, lambda { |s| where(exercise_bank_choice_id: s) }
 end

app/views/exercise_bank_questions/_exercise_bank_questions.json.jbuilder

@@ -0,0 +1,69 @@
+json.question_id question.id
+q_positon = question.question_number
+if ques_position.present?
+  q_positon = ques_position
+end
+json.q_position q_positon
+json.question_title question.question_title
+json.question_type question.question_type
+json.question_score question.question_score.round(1).to_s
+if question.question_type <= 2  #当为选择题或判断题时，只显示选项的位置
+  standard_answers_array = question.get_standard_answer_ids
+  exercise_choices = choices.order("choice_position ASC")
+  json.question_choices exercise_choices.each do |a|
+    #TODO: 旧版本来一个题只有一个标准答案的，新版又做成了一个题有多个标准答案（exercise_choice_id存放的是标准答案的位置..）
+    standard_answer_b = standard_answers_array.join("").include?(a.choice_position.to_s)
+    choice_text = a.choice_text
+    if question.question_type == 2
+      if choice_text == "对"
+        choice_text = "正确"
+      end
+      if choice_text == "错"
+        choice_text = "错误"
+      end
+    end
+    json.choice_id a.id
+    # json.choice_text (edit_type.present? || question.question_type == 2) ? a.choice_text : "#{(index+65).chr}.#{a.choice_text}"
+
+    json.choice_text choice_text
+    json.choice_position a.choice_position
+    json.standard_boolean standard_answer_b
+  end
+
+  json.standard_answer standard_answers_array
+  if question.question_type == 2   #返回答案的文字
+    standard_text = standard_answers_array.first.to_i == 1 ? "正确" : "错误"
+  else
+    array_text_answer = []
+    standard_answers_array.each{|a| array_text_answer.push((a+64).chr)}
+    standard_text = array_text_answer.join("")
+  end
+  json.standard_answer_show  standard_text
+
+elsif question.question_type == 3   #当为填空题时
+  standard_answers_count = question.exercise_bank_standard_answers
+  standard_answer_ex = standard_answers_count.pluck(:exercise_bank_choice_id).uniq
+  json.is_ordered question.is_ordered
+  json.multi_count standard_answer_ex.size #有几个填空
+  json.standard_answer do
+    json.array! standard_answer_ex.each do |a|
+      s_answer_text = standard_answers_count.standard_by_ids(a).pluck(:answer_text)
+      json.choice_id a
+      json.answer_text s_answer_text
+    end
+  end
+elsif question.question_type == 4   #简答题时
+  json.standard_answer question.exercise_bank_standard_answers.pluck(:answer_text)
+elsif question.question_type == 5
+  json.shixun_id question.shixun_id
+  json.shixun_name question.shixun_name.present? ? question.shixun_name : ""
+  json.shixun_identifier question.shixun.identifier
+  json.shixun do
+    json.array! shixun_challenges do |s|
+      json.challenge_id s.challenge_id
+      json.challenge_position s.position
+      json.challenge_name  s.challenge.subject
+      json.challenge_score s.question_score.round(1).to_s
+    end
+  end
+end

app/views/exercise_banks/show.json.jbuilder

@@ -6,13 +6,10 @@ json.partial! "exercises/exercise_scores"
 
 json.exercise_questions do
   json.array! @exercise_questions do |q|
-    json.partial! "exercise_questions/exercise_questions",
+    json.partial! "exercise_bank_questions/exercise_bank_questions",
                   question: q,
                   choices:q.exercise_bank_choices,
                   shixun_challenges: q.exercise_bank_shixun_challenges,
-                  exercise_type:1,
-                  user_answer:[],
-                  shixun_type:0,
                   ques_position:nil,
                   edit_type:nil
   end

db/migrate/20190828055710_add_is_ordered_to_exercise_bank_question.rb

@@ -0,0 +1,5 @@
+class AddIsOrderedToExerciseBankQuestion < ActiveRecord::Migration[5.2]
+  def change
+    add_column :exercise_bank_questions, :is_ordered, :boolean, :default => true
+  end
+end