init project

app/models/challenge.rb

@@ -0,0 +1,150 @@
+class Challenge < ApplicationRecord
+  # difficulty: 关卡难度: 1.简单 2.中等 3.困难
+  # show_type: 效果展示：-1.无效果 1.图片 2.apk/exe 3.txt 4.html 5.mp3 6.mp4
+
+  belongs_to :shixun, :touch => true, counter_cache: true
+  belongs_to :user
+  has_many :challenge_samples, :dependent => :destroy
+  has_many :test_sets, :dependent => :destroy
+  has_many :challenge_tags, :dependent => :destroy
+  has_many :games, :dependent => :destroy
+  has_many :challenge_chooses, :dependent => :destroy
+  has_many :homework_challenge_settings, :dependent => :destroy
+  has_many :praise_treads, as: :praise_tread_object, dependent: :destroy
+  has_one :praise_tread_cache, as: :object, dependent: :destroy
+  has_many :tidings
+  # 参考答案
+  has_many :challenge_answers, :dependent => :destroy
+  has_many :exercise_bank_shixun_challenges, :dependent => :destroy
+  # 回复
+  has_many :discusses, :dependent => :destroy
+
+  # acts_as_attachable
+
+  scope :base_attrs, -> { select([:id, :subject, :position, :shixun_id, :st, :score, :path, :task_pass, :modify_time,
+                                  :web_route, :answer, :exec_time, :praises_count]) }
+  scope :choose_type, -> { where(st: 1) }
+  scope :practice_type, -> { where(st: 0) }
+
+  scope :fields_for_list, -> { select([:id, :subject, :st, :score, :position, :shixun_id]) }
+
+  validates :task_pass, length: { maximum: 35000, too_long: "不能超过35000个字符" }
+
+
+  after_commit :create_diff_record
+
+  def next_challenge
+    position = self.position + 1
+    Challenge.where(:position => position, :shixun_id => self.shixun).first
+  end
+
+  # 用户关卡是否通关
+  def has_passed?(user_id)
+    self.games.present? && self.games.select{|game| game.user_id == user_id && game.status == 2}.length > 0
+  end
+
+  ## 选择题总分
+  def choose_score
+    self.score
+    #self.challenge_chooses.pluck(:score).sum
+  end
+
+  def challenge_difficulty
+    case difficulty
+    when 1 then "简单"
+    when 2 then "中等"
+    when 3 then "困难"
+    else ''
+    end
+  end
+
+    # 关卡总分
+  def all_score
+    self.score
+    # if self.st == 1
+    #   self.choose_score
+    # else
+    #   self.score
+    # end
+  end
+
+  # 开启挑战
+  def open_game user_id, shixun
+    game = self.games.where(user_id: user_id).first
+    if game.present?
+      shixun.task_pass || game.status != 3 ? "/tasks/#{game.identifier}" : ""
+    else
+      "/api/shixuns/#{shixun.identifier}/shixun_exec"
+    end
+  end
+
+  # # 开启挑战
+  # def open_game(user_id, shixun)
+  #
+  #
+  #   game = self.games.select([:status, :identifier]).where(user_id: user_id).first
+  #   game = self.games.select{|game| game.user_id == user_id}
+  #   if game.present?
+  #     shixun.task_pass || game.status != 3 ? "/tasks/#{game.identifier}" : ""
+  #   else
+  #     "/api/shixuns/#{shixun.identifier}/shixun_exec"
+  #   end
+  # end
+
+  ## 用户关卡状态 0: 不能开启实训; 1:直接开启; 2表示已完成
+  def user_tpi_status user_id
+    # todo: 以前没加索引导致相同关卡,同一用户有多个games
+    # 允许跳关则直接开启
+    game = games.where(user_id: user_id).take
+    if game.blank?
+      position == 1 ? 1 : 0
+    else
+      if game.status == 3
+        shixun.task_pass ? 1 : 0
+      elsif game.status == 2
+        2
+      else
+        1
+      end
+    end
+  end
+
+  def tags_show
+    if self.challenge_tags.nil?
+      "--"
+    else
+      self.try(:challenge_tags).map(&:name).join(";")
+    end
+  end
+
+  ## 选择题答案
+  def choose_answer
+    result = []
+    self.challenge_chooses.each do |choose|
+      result << {:position => choose.position, :answer => (choose.answer.blank? ? choose.standard_answer : choose.answer)}
+    end
+  end
+
+  # 关卡用户通关数
+  def user_passed_count
+    games.where(status: 2).count
+  end
+
+  # 关卡用户正在挑战的人数
+  def playing_count
+    games.where(status: [0, 1]).count
+  end
+
+  def last_challenge
+    Challenge.find_by(position: position - 1, shixun_id: shixun_id)
+  end
+
+  # 关卡评测文件
+
+  private
+
+  def create_diff_record
+    return unless task_pass_previously_changed?
+    CreateDiffRecordJob.perform_later(User.current.id, id, 'Challenge', 'task_pass', task_pass_before_last_save, task_pass)
+  end
+end