编程题

app/controllers/examination_banks_controller.rb

@@ -26,16 +26,18 @@ class ExaminationBanksController < ApplicationController
         if item.present?
           new_item = ExaminationItem.new(examination_bank: exam, item_bank: item, name: item.name, item_type: item.item_type,
                                          difficulty: item.difficulty, score: basket.score, position: basket.position)
-          if new_item.save!
+          new_item.save!
           item.increment!(:quotes)
-            if item.item_choices.present?
+          if item.item_type == "PROGRAM"
+            new_hack = item.container.fork
+            new_item.update_attributes!(container: new_hack)
+          elsif item.item_choices.present?
             item.item_choices.each do |choice|
               new_item.examination_item_choices << ExaminationItemChoice.new(choice_text: choice.choice_text, is_answer: choice.is_answer)
             end
           end
         end
       end
-      end
 
       current_user.item_baskets.destroy_all
     end

app/models/examination_item.rb

@@ -1,6 +1,10 @@
 class ExaminationItem < ApplicationRecord
+  enum item_type: { SINGLE: 0, MULTIPLE: 1, JUDGMENT: 2, COMPLETION: 3, SUBJECTIVE: 4, PRACTICAL: 5, PROGRAM: 6 }
+
   belongs_to :examination_bank, touch: true
   belongs_to :item_bank, optional: true
 
   has_many :examination_item_choices, dependent: :destroy
+  belongs_to :container, polymorphic: true, optional: true
+
 end

app/models/hack.rb

@@ -22,6 +22,7 @@ class Hack < ApplicationRecord
   belongs_to :sub_discipline
 
   has_one :item_bank, as: :container, dependent: :destroy
+  has_one :examination_bank, as: :container, dependent: :destroy
 
   scope :published, -> { where(status: 1) }
   scope :unpublish, -> { where(status: 0) }
@@ -56,4 +57,31 @@ class Hack < ApplicationRecord
     user_id == user.id || user.admin_or_business?
   end
 
+  # 复制fork
+  def fork
+    new_hack = Hack.new
+    new_hack.attributes = self.attributes.dup.except("id", "user_id", "status", "identifier", "comments_count", "praises_count",
+                                                        "pass_num", "created_at", "updated_at", "hack_user_lastest_codes_count",
+                                                        "open_or_not", "submit_num")
+    new_hack.user_id = User.current.id
+    new_hack.identifier = Util::UUID.generate_identifier(Hack, 8)
+    new_hack.fork_id = self.id
+    new_hack.save!
+
+    # 创建测试集与代码
+    hack_sets.each do |set|
+      new_hack.hack_sets.create!(input: set.input, output: set.output, position: set.position)
+    end
+
+    # 新建知识点
+    tag_discipline_containers.each do |tag|
+      new_hack.tag_discipline_containers.create!(tag_discipline_id: tag.tag_discipline_id)
+    end
+
+    hack_codes.each do |code|
+      new_hack.hack_codes.create!(code: code.code, language: code.language, modify_time: Time.now)
+    end
+    new_hack
+  end
+
 end

app/services/item_baskets/save_item_basket_service.rb

@@ -30,9 +30,9 @@ class ItemBaskets::SaveItemBasketService < ApplicationService
     else
       score =
         case item_type
-        when 0, 1, 2
+        when "SINGLE", "MULTIPLE", "JUDGMENT"
           5
-        when 6
+        when "PROGRAM"
           10
         else
           5

db/migrate/20200102085722_add_fork_id_to_hacks.rb

@@ -0,0 +1,7 @@
+class AddForkIdToHacks < ActiveRecord::Migration[5.2]
+  def change
+    add_column :hacks, :fork_id, :integer, default: 0
+    add_column :examination_items, :container_id, :integer
+    add_column :examination_items, :container_type, :string
+  end
+end