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class Hack < ApplicationRecord
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# status: 0 未发布； 1已发布
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# diffcult: 难度 1：简单；2：中等； 3：困难
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# 编程题
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validates_length_of :name, maximum: 60, message: "不能超过60个字符"
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validates_length_of :description, maximum: 5000, message: "不能超过5000个字符"
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validates_presence_of :description, message: "描述不能为空"
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validates_presence_of :name, message: "名称不能为空"
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# 测试集
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has_many :hack_sets, ->{order("position asc")}, :dependent => :destroy
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# 代码
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has_many :hack_codes, :dependent => :destroy
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has_many :hack_user_lastest_codes, :dependent => :destroy
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has_many :discusses, as: :dis, dependent: :destroy
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# 点赞
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has_many :praise_treads, as: :praise_tread_object, dependent: :destroy
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# 消息
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has_many :tidings, as: :container
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# 知识点
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has_many :tag_discipline_containers, as: :container, dependent: :destroy
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has_one :exercise_question, dependent: :destroy
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belongs_to :user
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belongs_to :sub_discipline
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has_one :item_bank, as: :container, dependent: :destroy
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scope :published, -> { where(status: 1) }
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scope :unpublish, -> { where(status: 0) }
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scope :opening, -> {where(open_or_not: 1)}
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scope :mine, -> (author_id){ where(user_id: author_id) }
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def language
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if hack_codes.count == 1
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hack_codes.first.language
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else
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hack_codes.pluck(:language).first
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end
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end
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def exercise_course
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exercise_question.present? ? exercise_question&.exercise&.course : nil
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end
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def code
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if hack_codes.count == 1
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#tran_base64_decode64(hack_codes.first.code)
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hack_codes.first.code
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else
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#tran_base64_decode64(hack_codes.pluck(:code))
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hack_codes.pluck(:code)
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end
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end
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# 用于用户调试的第一个测试用例
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def input_test_case
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hack_sets.first&.input
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end
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# 管理员
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def manager?(user)
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user_id == user.id || user.admin_or_business?
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end
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# 复制fork
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def fork
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new_hack = Hack.new
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new_hack.attributes = self.attributes.dup.except("id", "user_id", "status", "identifier", "comments_count", "praises_count",
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"pass_num", "created_at", "updated_at", "hack_user_lastest_codes_count",
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"open_or_not", "submit_num")
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new_hack.user_id = User.current.id
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new_hack.identifier = Util::UUID.generate_identifier(Hack, 8)
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new_hack.fork_id = self.id
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new_hack.save!
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# 创建测试集与代码
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hack_sets.each do |set|
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new_hack.hack_sets.create!(input: set.input, output: set.output, position: set.position)
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end
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# 新建知识点
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tag_discipline_containers.each do |tag|
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new_hack.tag_discipline_containers.create!(tag_discipline_id: tag.tag_discipline_id)
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end
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hack_codes.each do |code|
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new_hack.hack_codes.create!(code: code.code, language: code.language, modify_time: Time.now)
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end
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new_hack
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end
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end
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