class Challenge < ApplicationRecord # difficulty: 关卡难度: 1.简单 2.中等 3.困难 default_scope { order("challenges.position asc") } 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_tread, 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 # acts_as_attachable scope :base_attrs, -> { select([:id, :subject, :position, :shixun_id, :st, :score, :path, :task_pass, :modify_time, :web_route, :answer]) } scope :choose_type, -> { where(st: 1) } scope :practice_type, -> { where(st: 0) } scope :fields_for_list, -> { select([:id, :subject, :st, :score, :position, :shixun_id]) } 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.challenge_chooses.sum(:score) end # 关卡总分 def all_score if self.st == 1 self.choose_score else self.score end end # 开启挑战 def open_game(user_id) game = self.games.select([:status, :identifier]).where(user_id: user_id).first shixun = self.shixun 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 game = self.games.where(user_id: user_id).last status = if game.blank? self.position == 1 ? 1 : 0 elsif game.status == 2 2 else 1 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 end