智能组卷

app/controllers/examination_intelligent_settings_controller.rb

@@ -1,14 +1,89 @@
 class ExaminationIntelligentSettingsController < ApplicationController
+  before_action :require_login
+  before_action :find_exam, only: [:exchange_one_item, :exchange_items]
 
   def optinal_items
-    items = OptionalItemQuery.call(params)
-    @single_question_count = items[:single_question_count]
-    @multiple_question_count = items[:multiple_question_count]
-    @judgement_question_count = items[:judgement_question_count]
-    @program_question_count = items[:program_question_count]
+    sub_discipline_id = params[:sub_discipline_id]
+    tag_discipline_id = params[:tag_discipline_id]
+    difficulty = params[:difficulty]
+    source = params[:source]
+
+    items = OptionalItemQuery.call(sub_discipline_id, tag_discipline_id, difficulty, source)
+    @single_question_count = items.select{ |item| item.item_type == "SINGLE" }.size
+    @multiple_question_count = items.select{ |item| item.item_type == "MULTIPLE" }.size
+    @judgement_question_count = items.select{ |item| item.item_type == "JUDGMENT" }.size
+    @program_question_count = items.select{ |item| item.item_type == "PROGRAM" }.size
   end
 
   def create
+    ActiveRecord::Base.transaction do
+      exam = ExaminationIntelligentSetting.new(user: current_user)
+      # 保存试卷基础信息
+      exam = ExaminationIntelligentSettings::SaveSettingService.call(exam, form_params)
+      render_ok({exam_setting_id: exam.id})
+    end
+  rescue ApplicationService::Error => ex
+    render_error(ex.message)
+  end
+
+  def exchange_one_item
+    item = @exam.item_baskets.find_by!(id: params[:item_id])
+    exam_type_setting = @exam.examination_type_settings.find_by!(item_type: item.item_type)
+
+    # 获取可选的题
+    items = OptionalItemQuery.call(@exam.sub_discipline_id, @exam.tag_discipline_containers.pluck(:tag_discipline_id), @exam.difficulty, @exam.public)
+    type_items = items.select{ |t_item| t_item.item_type == item.item_type }
+    # 如果可选的题数小于等于设置的题数则提示无可换的题
+    tip_exception("无可换的题") if type_items.size <= exam_type_setting.count
+    # 可选题中去掉已组卷的同题型试题
+    optional_item_ids = type_items.pluck(:id) - @exam.item_baskets.where(item_type: item.item_type).pluck(:item_bank_id)
+    new_item = ItemBank.find optional_item_ids.sample(1).first
+    ActiveRecord::Base.transaction do
+      @exam.item_baskets << ItemBasket.new(item_bank_id: new_item.id, position: item.position, score: item.score, item_type: new_item.item_type)
+      item.destroy!
+    end
+    render_ok
+  end
+
+  def exchange_items
+    exam_type_setting = @exam.examination_type_settings.find_by!(item_type: params[:item_type])
+    choosed_items = @exam.item_baskets.where(item_type: params[:item_type])
+
+    # 获取可选的题
+    items = OptionalItemQuery.call(@exam.sub_discipline_id, @exam.tag_discipline_containers.pluck(:tag_discipline_id), @exam.difficulty, @exam.public)
+    type_items = items.select{ |t_item| t_item.item_type == params[:item_type] }
+    # 如果可选的题数小于等于设置的题数则提示无可换的题
+    tip_exception("无可换的题") if type_items.size <= exam_type_setting.count
+    # 可选题中去掉已组卷的同题型试题
+    choosed_item_ids = choosed_items.pluck(:item_bank_id)
+    optional_item_ids = type_items.pluck(:id) - choosed_item_ids
+
+    # 如果可选题数小于设置的题数n，则在原来的选题中随机选n个，确保换题时能选到新的题
+    if optional_item_ids.size < exam_type_setting.count
+      absence_count = exam_type_setting.count - optional_item_ids.size
+      optional_item_ids = optional_item_ids + choosed_item_ids.sample(absence_count)
+    end
+
+    ActiveRecord::Base.transaction do
+      # 取试题分数
+      score = choosed_items.first&.score || (params[:item_type] == "PROGRAM" ? 10 : 5)
+      choosed_items.destroy_all
+      optional_item_ids.sample(exam_type_setting.count).each_with_index do |item_id, index|
+        new_item = ItemBank.find item_id
+        @exam.item_baskets << ItemBasket.new(item_bank_id: new_item.id, position: index+1, score: score, item_type: new_item.item_type)
+      end
+    end
+    render_ok
+  end
+
+  private
+
+  def find_exam
+    @exam = ExaminationIntelligentSetting.find_by!(id: params[:id])
+    tip_exception(403,"无权限编辑") unless current_user.admin_or_business? || @exam.user_id == current_user.id
+  end
 
+  def form_params
+    params.permit(:discipline_id, :sub_discipline_id, :difficulty, :source, tag_discipline_id: [], question_settings: %i[item_type count])
   end
 end

app/controllers/item_banks_controller.rb

@@ -9,7 +9,14 @@ class ItemBanksController < ApplicationController
     @items_count = items.size
     @items = paginate items.includes(:item_analysis, :user, :container)
     exam = ExaminationBank.find_by(id: params[:exam_id]) if params[:exam_id].present?
-    @item_basket_ids = exam ? exam.examination_items.pluck(:item_bank_id) : current_user.item_baskets.pluck(:item_bank_id)
+    exam_setting = ExaminationIntelligentSetting.find_by(id: params[:exam_setting_id]) if params[:exam_setting_id].present?
+    @item_basket_ids = if exam
+                         exam.examination_items.pluck(:item_bank_id)
+                       elsif exam_setting
+                         exam_setting.item_baskets.pluck(:item_bank_id)
+                       else
+                         current_user.item_baskets.pluck(:item_bank_id)
+                       end
   end
 
   def create

app/controllers/item_baskets_controller.rb

@@ -4,7 +4,7 @@ class ItemBasketsController < ApplicationController
   helper_method :current_basket
 
   def index
-    @item_baskets = current_user.item_baskets
+    @item_baskets = basket_items
     @single_questions = @item_baskets.where(item_type: "SINGLE")
     @multiple_questions = @item_baskets.where(item_type: "MULTIPLE")
     @judgement_questions = @item_baskets.where(item_type: "JUDGMENT")
@@ -22,41 +22,41 @@ class ItemBasketsController < ApplicationController
   end
 
   def create
-    ItemBaskets::SaveItemBasketService.call(current_user, create_params)
+    ItemBaskets::SaveItemBasketService.call(current_user, create_params, exam_setting)
     render_ok
   rescue ApplicationService::Error => ex
     render_error(ex.message)
   end
 
   def destroy
-    item = current_user.item_baskets.find_by!(item_bank_id: params[:id])
+    item = basket_items.find_by!(item_bank_id: params[:id])
     ActiveRecord::Base.transaction do
-      current_user.item_baskets.where(item_type: item.item_type).where("position > #{item.position}").update_all("position = position -1")
+      basket_items.where(item_type: item.item_type).where("position > #{item.position}").update_all("position = position -1")
       item.destroy!
     end
     render_ok
   end
 
   def delete_item_type
-    baskets = ItemBasket.where(item_type: params[:item_type])
+    baskets = basket_items.where(item_type: params[:item_type])
     baskets.destroy_all
     render_ok
   end
 
   def set_score
     current_basket.update_attributes!(score: params[:score])
-    @questions_score = current_user.item_baskets.where(item_type: current_basket.item_type).pluck(:score).sum
-    @all_score = current_user.item_baskets.pluck(:score).sum
+    @questions_score = basket_items.where(item_type: current_basket.item_type).pluck(:score).sum
+    @all_score = basket_items.pluck(:score).sum
   end
 
   def batch_set_score
-    current_user.item_baskets.where(item_type: params[:item_type]).update_all(score: params[:score])
-    @questions_score = current_user.item_baskets.where(item_type: params[:item_type]).pluck(:score).sum
-    @all_score = current_user.item_baskets.pluck(:score).sum
+    basket_items.where(item_type: params[:item_type]).update_all(score: params[:score])
+    @questions_score = basket_items.where(item_type: params[:item_type]).pluck(:score).sum
+    @all_score = basket_items.pluck(:score).sum
   end
 
   def adjust_position
-    same_items = current_user.item_baskets.where(item_type: current_basket.item_type)
+    same_items = basket_items.where(item_type: current_basket.item_type)
     max_position = same_items.size
     tip_exception("position超出范围") unless params[:position].present? && params[:position].to_i <= max_position && params[:position].to_i >= 1
     ActiveRecord::Base.transaction do
@@ -79,8 +79,19 @@ class ItemBasketsController < ApplicationController
     params.permit(item_ids: [])
   end
 
+  def exam_setting
+    @_exam_setting = ExaminationIntelligentSetting.find_by(id: params[:exam_setting_id])
+  end
+
+  def basket_items
+    @_items = params[:exam_setting_id] ? exam_setting.item_baskets : current_user.item_baskets
+  end
+
   def current_basket
-    @_current_basket = current_user.item_baskets.find_by!(id: params[:id])
+    @_current_basket = ItemBasket.find_by!(id: params[:id])
+    tip_exception(403, "无权限编辑") unless current_user.admin_or_business? || @_current_basket.user_id.to_i == current_user.id ||
+      @_current_basket.examination_intelligent_setting&.user_id.to_i == current_user.id
+    @_current_basket
   end
 
   def validate_score

app/forms/examination_intelligent_settings/save_exam_setting_form.rb

@@ -0,0 +1,11 @@
+class ExaminationIntelligentSettings::SaveExamSettingForm
+  include ActiveModel::Model
+
+  attr_accessor :discipline_id, :sub_discipline_id, :source, :difficulty, :tag_discipline_id, :question_settings
+
+  validates :discipline_id, presence: true
+  validates :sub_discipline_id, presence: true
+  validates :source, presence: true
+  validates :difficulty, presence: true, inclusion: {in: 1..3}, numericality: { only_integer: true }
+  validates :question_settings, presence: true
+end

app/forms/item_banks/save_item_form.rb

@@ -15,9 +15,9 @@ class ItemBanks::SaveItemForm
     return unless errors.blank?
     choices.each { |item| SubForm.new(item).validate! } if  %W(SINGLE MULTIPLE JUDGMENT).include?(item_type)
     return unless errors.blank?
-    if [0, 2].include?(item_type) && choices.pluck(:is_answer).select{|item| item == 1}.length > 1
+    if ["SINGLE", "JUDGMENT"].include?(item_type) && choices.pluck(:is_answer).select{|item| item == 1}.length > 1
       raise("正确答案只能有一个")
-    elsif item_type == 1 && choices.pluck(:is_answer).select{|item| item == 1}.length <= 1
+    elsif item_type == "MULTIPLE" && choices.pluck(:is_answer).select{|item| item == 1}.length <= 1
       raise("多选题至少有两个正确答案")
     end
   end

app/models/examination_intelligent_setting.rb

@@ -1,4 +1,7 @@
 class ExaminationIntelligentSetting < ApplicationRecord
   belongs_to :sub_discipline
+  belongs_to :user
   has_many :examination_type_settings, dependent: :destroy
+  has_many :tag_discipline_containers, as: :container, dependent: :destroy
+  has_many :item_baskets, dependent: :destroy
 end

app/models/examination_type_setting.rb

@@ -1,3 +1,4 @@
 class ExaminationTypeSetting < ApplicationRecord
+  enum item_type: { SINGLE: 0, MULTIPLE: 1, JUDGMENT: 2, COMPLETION: 3, SUBJECTIVE: 4, PRACTICAL: 5, PROGRAM: 6 }
   belongs_to :examination_intelligent_setting
 end

app/models/item_basket.rb

@@ -2,13 +2,6 @@ class ItemBasket < ApplicationRecord
   enum item_type: { SINGLE: 0, MULTIPLE: 1, JUDGMENT: 2, COMPLETION: 3, SUBJECTIVE: 4, PRACTICAL: 5, PROGRAM: 6 }
 
   belongs_to :item_bank
-  belongs_to :user
-
-  def all_score
-    User.current.item_baskets.map(&:score).sum
-  end
-
-  def question_count
-    User.current.item_baskets.size
-  end
+  belongs_to :user, optional: true
+  belongs_to :examination_intelligent_setting, optional: true
 end

app/models/user.rb

@@ -156,6 +156,8 @@ class User < ApplicationRecord
   # 题库
   has_many :item_banks, dependent: :destroy
   has_many :item_baskets,  -> { order("item_baskets.position ASC") }, dependent: :destroy
+  has_many :examination_banks, dependent: :destroy
+  has_many :examination_intelligent_settings, dependent: :destroy
 
   # Groups and active users
   scope :active, lambda { where(status: STATUS_ACTIVE) }

app/queries/optional_item_query.rb

@@ -1,32 +1,35 @@
 class OptionalItemQuery < ApplicationQuery
-  attr_reader :params
+  attr_reader :sub_discipline_id, :tag_discipline_id, :difficulty, :source
 
-  def initialize(params)
-    @params = params
+  def initialize(sub_discipline_id, tag_discipline_id, difficulty, source)
+    @sub_discipline_id = sub_discipline_id
+    @tag_discipline_id = tag_discipline_id
+    @difficulty = difficulty
+    @source = source
   end
 
   def call
     items = ItemBank.all
-    if params[:tag_discipline_id].present? && params[:sub_discipline_id].present?
-      items = items.joins(:tag_discipline_containers).where(tag_discipline_containers: {tag_discipline_id: params[:tag_discipline_id]})
-      hacks = Hack.joins(:tag_discipline_containers).where(tag_discipline_containers: {tag_discipline_id: params[:tag_discipline_id]})
-    elsif params[:sub_discipline_id].present?
-      items = items.where(sub_discipline_id: params[:sub_discipline_id])
-      hacks = Hack.where(sub_discipline_id: params[:sub_discipline_id])
+    if tag_discipline_id.present? && sub_discipline_id.present?
+      items = items.joins(:tag_discipline_containers).where(tag_discipline_containers: {tag_discipline_id: tag_discipline_id})
+      hacks = Hack.joins(:tag_discipline_containers).where(tag_discipline_containers: {tag_discipline_id: tag_discipline_id})
+    elsif sub_discipline_id.present?
+      items = items.where(sub_discipline_id: sub_discipline_id)
+      hacks = Hack.where(sub_discipline_id: sub_discipline_id)
+    end
+
+    if hacks.present?
+      items = ItemBank.where(container_id: hacks.pluck(:id), container_type: "Hack").or(ItemBank.where(id: items.pluck(:id)))
     end
 
     # 来源
-    source = params[:source].present? ? params[:source].to_i : 1
-    public = source == 3 ? [0, 1] : source
+    public = source.present? ? source.to_i : 1
+    public = public == 2 ? [0, 1] : public
     items = items.where(public: public)
 
     # 难度
-    difficulty = params[:difficulty] ? params[:difficulty].to_i : 1
+    difficulty = difficulty ? difficulty.to_i : 1
     items = items.where(difficulty: difficulty)
-    single_question_count = items.select{ |item| item.item_type == "SINGLE" }.size
-    multiple_question_count = items.select{ |item| item.item_type == "MULTIPLE" }.size
-    judgement_question_count = items.select{ |item| item.item_type == "JUDGMENT" }.size
-    program_question_count = hacks.present? ? hacks.pluck(:item_bank_id).reject(&:blank?).size : items.select{ |item| item.item_type == "PROGRAM" }.size
-    {single_question_count: single_question_count, multiple_question_count: multiple_question_count, judgement_question_count: judgement_question_count, program_question_count: program_question_count}
+    items
   end
 end

app/services/examination_intelligent_settings/save_setting_service.rb

@@ -0,0 +1,63 @@
+class ExaminationIntelligentSettings::SaveSettingService < ApplicationService
+  attr_reader :exam, :params
+
+  def initialize(exam, params)
+    @exam = exam
+    @params = params
+  end
+
+  def call
+    ExaminationIntelligentSettings::SaveExamSettingForm.new(params).validate!
+    items = OptionalItemQuery.call(params[:sub_discipline_id], params[:tag_discipline_id], params[:difficulty], params[:source])
+    params[:question_settings].each do |setting|
+      raise "超出可选题数范围" if items.select{ |item| item.item_type == setting[:item_type] }.size.to_i < setting[:count].to_i
+    end
+
+    exam.difficulty = params[:difficulty]
+    exam.sub_discipline_id = params[:sub_discipline_id]
+    exam.public = params[:source].present? ? params[:source].to_i : 1
+    exam.save!
+
+    # 知识点的创建
+    params[:tag_discipline_id].each do |tag_id|
+      exam.tag_discipline_containers << TagDisciplineContainer.new(tag_discipline_id: tag_id)
+    end
+
+    # 智能选题的设置
+    params[:question_settings].each do |setting|
+      if setting[:count].to_i > 0
+        exam.examination_type_settings << ExaminationTypeSetting.new(item_type: setting[:item_type], count: setting[:count].to_i)
+      end
+    end
+
+    # 选题
+    choose_question items
+
+    exam
+  end
+
+  private
+
+  def choose_question items
+    exam.examination_type_settings.each do |setting|
+      questions = items.select{ |item| item.item_type == setting.item_type }
+      questions.pluck(:id).sample(setting.count).each_with_index do |item_id, index|
+        item = ItemBank.find item_id
+        exam.item_baskets << ItemBasket.new(item_bank_id: item.id, position: index+1, score: item_score(item.item_type), item_type: item.item_type)
+      end
+    end
+  end
+
+  def item_score item_type
+    score =
+      case item_type
+      when "SINGLE", "MULTIPLE", "JUDGMENT"
+        5
+      when "PROGRAM"
+        10
+      else
+        5
+      end
+    score
+  end
+end

app/services/item_baskets/save_item_basket_service.rb

@@ -1,9 +1,10 @@
 class ItemBaskets::SaveItemBasketService < ApplicationService
-  attr_reader :user, :params
+  attr_reader :user, :params, :exam_setting
 
-  def initialize(user, params)
+  def initialize(user, params, exam_setting)
     @user = user
     @params = params
+    @exam_setting = exam_setting
   end
 
   def call
@@ -13,9 +14,14 @@ class ItemBaskets::SaveItemBasketService < ApplicationService
     items = ItemBank.where(public: 1).or(ItemBank.where(user_id: user.id))
 
     # 已选到过试题篮的不重复选用
-    item_ids = params[:item_ids] - user.item_baskets.pluck(:item_bank_id)
+    item_ids = params[:item_ids] - basket_items.pluck(:item_bank_id)
     items.where(id: item_ids).each do |item|
-      new_item = ItemBasket.new(user_id: user.id, item_bank_id: item.id, item_type: item.item_type)
+      new_item = ItemBasket.new(item_bank_id: item.id, item_type: item.item_type)
+      if exam_setting.present?
+        new_item.examination_intelligent_setting_id = exam_setting.id
+      else
+        new_item.user_id = user.id
+      end
       new_item.score = item_score item.item_type
       new_item.position = item_position item.item_type
       new_item.save!
@@ -25,8 +31,8 @@ class ItemBaskets::SaveItemBasketService < ApplicationService
   private
 
   def item_score item_type
-    if user.item_baskets.where(item_type: item_type).last.present?
-      score = user.item_baskets.where(item_type: item_type).last.score
+    if basket_items.where(item_type: item_type).last.present?
+      score = basket_items.where(item_type: item_type).last.score
     else
       score =
         case item_type
@@ -42,6 +48,10 @@ class ItemBaskets::SaveItemBasketService < ApplicationService
   end
 
   def item_position item_type
-    user.item_baskets.where(item_type: item_type).last&.position.to_i + 1
+    basket_items.where(item_type: item_type).last&.position.to_i + 1
+  end
+
+  def basket_items
+    exam_setting.present? ? exam_setting.item_baskets : user.item_baskets
   end
 end

config/routes.rb

@@ -100,6 +100,11 @@ Rails.application.routes.draw do
       collection do
         get :optinal_items
       end
+
+      member do
+        post :exchange_one_item
+        post :exchange_items
+      end
     end
 
     resources :hacks, path: :problems,  param: :identifier do

db/migrate/20200108030930_add_user_id_to_intelligent_settings.rb

@@ -0,0 +1,5 @@
+class AddUserIdToIntelligentSettings < ActiveRecord::Migration[5.2]
+  def change
+    add_column :examination_intelligent_settings, :user_id, :integer, index: true
+  end
+end

db/migrate/20200108061139_add_intelligent_setting_id_to_item_baskets.rb

@@ -0,0 +1,5 @@
+class AddIntelligentSettingIdToItemBaskets < ActiveRecord::Migration[5.2]
+  def change
+    add_column :item_baskets, :examination_intelligent_setting_id, :integer, index: true
+  end
+end