试卷题库

app/controllers/exercise_banks_controller.rb

@@ -0,0 +1,71 @@
+class ExerciseBanksController < ApplicationController
+  before_action :require_login
+  before_action :find_bank
+  before_action :bank_admin, only: [:update]
+
+  def show
+    @exercise_questions = @bank.exercise_bank_questions&.includes(:exercise_bank_choices, :exercise_bank_shixun_challenges,
+                                                                  :exercise_bank_standard_answers).order("question_number ASC")
+    @exercise_ques_count = @exercise_questions.size # 全部的题目数
+    @exercise_ques_scores = @exercise_questions.pluck(:question_score).sum
+
+    #单选题的数量及分数
+    exercise_single_ques = @exercise_questions.find_by_custom("question_type", Exercise::SINGLE)
+    @exercise_single_ques_count = exercise_single_ques.size
+    @exercise_single_ques_scores = exercise_single_ques.pluck(:question_score).sum
+
+    #多选题的数量及分数
+    exercise_double_ques = @exercise_questions.find_by_custom("question_type", Exercise::MULTIPLE)
+    @exercise_double_ques_count = exercise_double_ques.size
+    @exercise_double_ques_scores = exercise_double_ques.pluck(:question_score).sum
+
+    # 判断题数量及分数
+    exercise_ques_judge = @exercise_questions.find_by_custom("question_type", Exercise::JUDGMENT)
+    @exercise_ques_judge_count = exercise_ques_judge.size
+    @exercise_ques_judge_scores = exercise_ques_judge.pluck(:question_score).sum
+
+    #填空题数量及分数
+    exercise_ques_null = @exercise_questions.find_by_custom("question_type", Exercise::COMPLETION)
+    @exercise_ques_null_count = exercise_ques_null.size
+    @exercise_ques_null_scores = exercise_ques_null.pluck(:question_score).sum
+
+    #简答题数量及分数
+    exercise_ques_main = @exercise_questions.find_by_custom("question_type", Exercise::SUBJECTIVE)
+    @exercise_ques_main_count = exercise_ques_main.size
+    @exercise_ques_main_scores = exercise_ques_main.pluck(:question_score).sum
+
+    #实训题数量及分数
+    exercise_ques_shixun = @exercise_questions.find_by_custom("question_type", Exercise::PRACTICAL)
+    @exercise_ques_shixun_count = exercise_ques_shixun.size
+    @exercise_ques_shixun_scores = exercise_ques_shixun.pluck(:question_score).sum
+  end
+
+  def update
+
+  end
+
+  private
+
+  def find_bank
+    @bank = ExerciseBank.find_by!(id: params[:id])
+    tip_exception(403, "无权限") unless (current_user.certification_teacher? && (@bank.is_public || @bank.user_id == current_user.id)) || current_user.admin?
+  end
+
+  def bank_admin
+    tip_exception(403, "无权限") unless (current_user.certification_teacher? && @bank.user_id == current_user.id) || current_user.admin?
+  end
+
+  def gtask_bank_params
+    tip_exception("name参数不能为空") if params[:gtask_bank][:name].blank?
+    tip_exception("description参数不能为空") if params[:gtask_bank][:description].blank?
+    if @bank.homework_type == 3
+      tip_exception("base_on_project参数不能为空") if params[:gtask_bank][:base_on_project].nil?
+      tip_exception("min_num参数不能为空") if params[:gtask_bank][:min_num].blank?
+      tip_exception("max_num参数不能为空") if params[:gtask_bank][:max_num].blank?
+      tip_exception("最小人数不能小于1") if params[:gtask_bank][:min_num].to_i < 1
+      tip_exception("最大人数不能小于最小人数") if params[:gtask_bank][:max_num].to_i < params[:gtask_bank][:min_num].to_i
+    end
+    params.require(:gtask_bank).permit(:name, :description) if @bank.task_type == 1
+    params.require(:gtask_bank).permit(:name, :description, :min_num, :max_num, :base_on_project) if @bank.task_type == 2
+  end
+end

app/models/exercise_bank_question.rb

@@ -5,13 +5,16 @@ class ExerciseBankQuestion < ApplicationRecord
   has_many :exercise_bank_choices, :dependent => :destroy
   has_many :exercise_bank_standard_answers, :dependent => :destroy
   #attr_accessible :question_number, :question_score, :question_title, :question_type
+  scope :find_by_custom, lambda {|k,v| where("#{k} = ?",v)}  #根据传入的参数查找问题
 
   def question_type_name
     case self.question_type
-    when 1
+    when 0
       "单选题"
-    when 2
+    when 1
       "多选题"
+    when 2
+      "判断题"
     when 3
       "填空题"
     when 4
@@ -20,4 +23,14 @@ class ExerciseBankQuestion < ApplicationRecord
       "实训题"
     end
   end
+
+
+  #获取问题的全部标准答案
+  def get_standard_answer_ids
+    exercise_bank_standard_answers.pluck(:exercise_bank_choice_id)
+  end
+
+  def get_standard_answer_text
+    exercise_bank_standard_answers.pluck(:answer_text)
+  end
 end

app/views/exercise_banks/show.json.jbuilder

@@ -0,0 +1,19 @@
+json.exercise do
+  json.extract! @bank, :id, :name, :description, :is_public
+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_bank_choices,
+                  shixun_challenges: q.exercise_bank_shixun_challenges,
+                  exercise_type:1,
+                  user_answer:[],
+                  shixun_type:0,
+                  ques_position:nil,
+                  edit_type:nil
+  end
+end

config/routes.rb

@@ -643,6 +643,7 @@ Rails.application.routes.draw do
 
     resources :gtopic_banks
     resources :task_banks
+    resources :exercise_banks
 
     resources :attachments