educoder/app/controllers/games_controller.rb

#coding=utf-8
class GamesController < ApplicationController
  layout "base_myshixun"
  skip_before_filter :verify_authenticity_token, :only => [:file_update]
  before_filter :find_myshixun, :only => [:index]
  before_filter :find_game, :only => [:show, :game_build, :entry,:next_step, :outputs_show, :file_edit, :file_update, :game_status, :change_status]
  before_filter :find_repository, :only => [:show, :entry, :file_edit, :file_update]
  before_filter :allowd_manager
  before_filter :allowd_view, :only => [:show]
  before_filter :find__shixun_language, :only => [:show, :entry]
  include ApplicationHelper

  def index
    @games = @myshixun.games.includes(:challenge)
    @games_count = @games.count
    respond_to do |format|
      format.html
      format.js
    end
  end

  # mushixun的版本库必须创建时就创建
  # 首次进入版本库自动打开文件
  # path：""  && path: @game.path
  # @praise 判断是否点赞
  # @praise 判断是否踩
  def show
    @game_challenge = @game.challenge
    @praise = PraiseTread.where("praise_tread_object_id=? and praise_tread_object_type=? and user_id=?", @game_challenge.id, @game_challenge.class.to_s, User.current.id).first
    @tread = PraiseTread.where("praise_tread_object_id=? and praise_tread_object_type=? and user_id=?", @game_challenge.id, "ChallengeTread", User.current.id).first
    logger.info("test ................#{@game_challenge.id}")
    game_path = (@game_challenge.path.blank? ? @path : @game_challenge.path.strip)
    logger.info("test game_path ................#{game_path}")
    @rev = @rev.nil? ? "master" : @rev
    @git_url = git_repository_url(@myshixun, "Myshixun")
    @type = params[:type]
    logger.info("##########************languae is #{@language}")
    logger.info("out is666************#{@path} ")
    # 默认打开文件
    if @path == ""  && !game_path.nil? && !@repository.cat(game_path, @rev).blank? && @type != "root"
      @path = game_path
      @file_open = true
      logger.info("666666666666************languae ")
      logger.info("path is666************#{@path} ")
      @content = @repository.cat(@path, @rev)
      logger.info("666666666666************languae is #{@content}")
    else
      logger.info("77777************languae ")
      @entries = @repository.entries(@path, @rev)
      logger.info("7777************#{@entries} ")
    end
    logger.info("88888************#{@entries} ")
    @test_sets = @game_challenge.test_sets
    @test_sets.each_with_index do |test_set, index|
      @test_set_error_position = (index + 1) unless test_set.result
    end
    @test_sets_count = @test_sets.count
    (@myshixun.games.count == @game_challenge.position && @game.status ==2) ? @had_done = 1 : @had_done = 0
    @test_sets_hidden_count = @test_sets.where(:is_public => false).count

    respond_to do |format|
      format.html
      format.js
    end
  rescue Exception => e
    flash[:error] = e.message
  end

  # 代码预览
  def entry
    entry_and_raw(false)
    @content = @repository.cat(@path, @rev)
  end

  def file_edit
    # entry_and_raw(false)
    # @content = @repository.cat(@path, @rev).strip
    # # respond_to do |format|
    # #   format.js
    # end
  end

  def file_update
    @g = Gitlab.client
    content = params[:content].strip
    @g.edit_file(@myshixun.gpid, :content => params[:content], :file_path => @path, :branch_name => @rev, :commit_message => "shixun exec")
    respond_to do |format|
      format.js{redirect_to entry_myshixun_game_path(@game, :myshixun_id => @myshixun, :path => @path)}
    end
  rescue Exception => e
    puts e.message
  end

  # json调用，显示左边的隐藏具体详情@game 字段 msg
  # 刷新右边的输出结果 @game out_put
  def outputs_show
    @output = Output.find(params[:game_output_id])
    respond_to do |format|
      format.js
    end
  end

  # status 0: 未提交测评或者提交测评失败后报错；1：中间状态还没返回值；2：返回值并成功
  def game_build
    game_challenge = @game.challenge
    gitUrl = git_repository_url(@myshixun, "Myshixun")
    gitUrl = Base64.encode64(gitUrl)
    taskId = params[:id]
    jobName = "myshixun_#{@myshixun.id}"
    ActiveRecord::Base.transaction do
      @game.update_attributes!(:status => 1)
      jenkins_shixuns = Redmine::Configuration['jenkins_shixuns']
      step = game_challenge.try(:position)
      params = {:jobNameForInstance  => "#{jobName}", :buildID => "#{taskId}", :step => "#{step}",  :instanceGitURL  => "#{gitUrl}", :instanceChallenge  => "#{step}"}
      uri = URI("#{jenkins_shixuns}/jenkins-exec/api/buildJobForInstance")
      res = uri_exec uri, params
      if (res && res['code'] != 0)
        raise("Build job failed")
      end
      render :json => {data:"success"}
    end
  rescue
    raise ActiveRecord::Rollback
    redirect_to myshixun_game_path(@game, :myshixun_id => @myshixun)
  end

  def game_status
    outputs = @game.outputs
    game_challenge = @game.challenge
    if outputs.count == 0
      outputs = ""
    else
      outputs = outputs.map{|result| [result.code, result.id]}
    end
    (@myshixun.games.count == game_challenge.position && @game.status ==2) ? had_done = 1 : had_done = 0

    # 下一关自动开启
    if had_done != 1 && @game.status == 2
      @game.next_game.update_attribute(:status, 0)
    end

    latest_output = @game.latest_output.try(:out_put)
    render :json => {status: @game.status, output: latest_output, results: outputs, had_done: had_done}
  end

  def change_status
    @game.update_attribute(:status, 0)
    outputs = @game.outputs
    if outputs.count == 0
      outputs = ""
    else
      outputs = outputs.map{|result| [result.code, result.id]}
    end
    render :json => {status: @game.status, output: "服务器网络异常", results: outputs, had_done: 0}
  end

  # 自动推送下一个任务
  def next_step
    render_403 if @game.status != 2
    next_game = @game.next_game
    next_game.update_attributes(:status => 0, :open_time => Time.now) if next_game.status == 3

    respond_to do |format|
      format.js{redirect_to myshixun_game_path(next_game, :myshixun_id => @myshixun.id)}
    end
  end

  private
  def entry_and_raw(is_raw)
    @entry = @repository.entry(@path, @rev)
    (show_error_not_found; return) unless @entry

    # If the entry is a dir, show the browser
    (show; return) if @entry.is_dir?

    @content = @repository.cat(@path, @rev)
    (show_error_not_found; return) unless @content
    if is_raw || (@content.size && @content.size > Setting.file_max_size_displayed.to_i.kilobyte) || !is_entry_text_data?(@content, @path)
      # Force the download
      send_opt = { :filename => filename_for_content_disposition(@path.split('/').last) }
      send_type = Redmine::MimeType.of(@path)
      send_opt[:type] = send_type.to_s if send_type
      send_opt[:disposition] = (Redmine::MimeType.is_type?('image', @path) && !is_raw ? 'inline' : 'attachment')
      send_data @content, send_opt
    else
      # Prevent empty lines when displaying a file with Windows style eol
      # TODO: UTF-16
      # Is this needs? AttachmentsController reads file simply.
      @content.gsub!("\r\n", "\n")
      @changeset = @repository.find_changeset_by_name(@rev)
    end
  end

  def is_entry_text_data?(ent, path)
    # UTF-16 contains "\x00".
    # It is very strict that file contains less than 30% of ascii symbols
    # in non Western Europe.
    return true if Redmine::MimeType.is_type?('text', path)
    # Ruby 1.8.6 has a bug of integer divisions.
    # http://apidock.com/ruby/v1_8_6_287/String/is_binary_data%3F
    return false if ent.is_binary_data?
    true
  end

  def find_repository
    @repository = @myshixun.repository
    render_404 if @myshixun.gpid.nil?
    @path = params[:path].is_a?(Array) ? params[:path].join('/') : params[:path].to_s
    @g = Gitlab.client
    @g_project = @g.project(@myshixun.gpid)
    @g_default_branch = @g_project.default_branch
    # gitlab端获取默认分支
    @rev = params[:rev].blank? ? @g_default_branch : params[:rev].to_s.strip
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def allowd_manager
    render_403 unless (User.current.manager_of_myshixun?(@myshixun) || User.current.admin? || User.current.id == @myshixun.shixun.try(:user_id))
  end

  # 判断成员是否允许查看
  def allowd_view
    render_403 if @game.status == 3
  end

  def find__shixun_language
    language = @myshixun.shixun.try(:language)
    @language = language_switch(language)
  end

  # Find myshixun of id params[:id]
  def find_myshixun
    myshixun_id = params[:myshixun_id] || (params[:game] && params[:game][:myshixun_id])
    @myshixun = Myshixun.find(myshixun_id)
  rescue ActiveRecord::RecordNotFound
    render_404
  end

  def find_game
    @game = Game.find(params[:id])
    @myshixun = @game.myshixun
  rescue ActiveRecord::RecordNotFound
    render_404
  end
end