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educoder/app/models/challenge.rb

121 lines
3.6 KiB

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
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_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]) }
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.pluck(:score).sum
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, 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
## 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