同步trustie编程作业

app/models/hack_set.rb

@@ -1,6 +1,6 @@
 class HackSet < ApplicationRecord
-  validates_length_of :input, maximum: 500
-  validates_length_of :output, maximum: 500
+  validates_length_of :input, maximum: 1000
+  validates_length_of :output, maximum: 1000
   validates :input, presence: { message: "测试集输入不能为空" }
   validates :output, presence: { message: "测试集输出不能为空" }
   validates_uniqueness_of :input, scope: [:hack_id, :input], message: "多个测试集的输入不能相同"

app/models/program_bank.rb

@@ -0,0 +1,34 @@
+class ProgramBank < ApplicationRecord
+
+  def oj_language
+    result = case language
+             when '1'
+             then 'C'
+             when '2'
+             then 'C++'
+             when '3'
+             then 'Python'
+             when '4'
+             then 'Java'
+             end
+    result
+  end
+
+  def strip_description
+    strip_html description
+  end
+
+  def oj_sub_discipline_id
+    result = case language
+             when '1'
+             then 3
+             when '2'
+             then 4
+             when '3'
+             then 5
+             when '4'
+             then 2
+             end
+    result
+  end
+end

app/models/program_bank_test.rb

@@ -0,0 +1,2 @@
+class ProgramBankTest < ApplicationRecord
+end

lib/tasks/sync_trustie_program_question.rake

@@ -0,0 +1,70 @@
+desc "同步trustie的编程作业"
+
+namespace :sync_program do
+  DCODES = %W(2 3 4 5 6 7 8 9 a b c f e f g h i j k l m n o p q r s t u v w x y z)
+  task data: :environment do
+    ProgramBank.where(homework_type: 2).each do |program|
+      unless Hack.where(name: program.name).exists?
+        strip_des = strip_html(program.description, 5000)
+        description = strip_des.present? ? strip_des : program.name
+        hack_params = {name: program.name[0..59], description: description, difficult: 1, open_or_not: 1, score: 200, sub_discipline_id: program.oj_sub_discipline_id}
+        puts "language::::#{program.language}"
+        puts "program_bank::::#{program.id}"
+        hack = Hack.new(hack_params)
+        hack.user_id = 1
+        hack.identifier = generate_identifier Hack, 8
+        ActiveRecord::Base.transaction do
+          hack.save!
+          # 创建测试集与代码
+          position = 1
+          ProgramBankTest.where(homework_bank_id: program.id).each do |test_set|
+            if !test_set.input.blank? && !test_set.output.blank? && !hack.hack_sets.where(input: test_set.input).exists? && test_set.input.length <= 1000 && test_set.output.length <= 1000
+              hack.hack_sets.create!(input: test_set.input, output: test_set.output, position: position)
+              position += 1
+            end
+          end
+          # 新建知识点
+          hack_code_params = {code: program.standard_code, language: program.oj_language}
+          hack_codes = hack.hack_codes.new(hack_code_params)
+          hack_codes.modify_time = Time.now
+          hack_codes.save!
+          new_item_params = {name: program.name, sub_discipline_id: program.oj_sub_discipline_id, container: hack, item_type: 'PROGRAM', public: 1, difficulty: 1, user_id: 1}
+          ItemBank.create!(new_item_params)
+        end
+        puts hack.id
+      end
+    end
+  end
+
+  # 随机生成字符
+  def generate_identifier(container, num)
+    code = DCODES.sample(num).join
+    if container == User
+      while container.exists?(login: code) do
+        code = DCODES.sample(num).join
+      end
+    else
+      while container.exists?(identifier: code) do
+        code = DCODES.sample(num).join
+      end
+    end
+    code
+  end
+
+  def strip_html(text, len=0, endss="...")
+    ss = ""
+    if !text.nil? && text.length>0
+      ss=text.gsub(/<\/?.*?>/, '').strip
+      ss = ss.gsub(/&nbsp;*/, '')
+      ss = ss.gsub(/\r\n/,'')  #新增
+      ss = ss.gsub(/\n/,'')  #新增
+      if len > 0 && ss.length > len
+        ss = ss[0, len-4] + endss
+      elsif len > 0 && ss.length <= len
+        ss = ss
+        #ss = truncate(ss, :length => len)
+      end
+    end
+    ss
+  end
+end

spec/models/program_bank_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe ProgramBank, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end

spec/models/program_bank_test_spec.rb

@@ -0,0 +1,5 @@
+require 'rails_helper'
+
+RSpec.describe ProgramBankTest, type: :model do
+  pending "add some examples to (or delete) #{__FILE__}"
+end