权限控制，及修改获取当前任务的方法

app/controllers/games_controller.rb

@@ -4,7 +4,7 @@ class GamesController < ApplicationController
   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]
   before_filter :find_repository, :only => [:show, :entry, :file_edit, :file_update]
-  before_filter :allowd_manager, :only => [:game_build]
+  before_filter :allowd_manager
   include ApplicationHelper
 
   def index
@@ -165,7 +165,7 @@ class GamesController < ApplicationController
   end
 
   def allowd_manager
-    render_403 unless User.current.manager_of_myshixun?(@myshixun)
+    render_403 unless (User.current.manager_of_myshixun?(@myshixun) || User.current.admin?)
   end
 
   # Find myshixun of id params[:id]

app/models/myshixun.rb

@@ -6,12 +6,13 @@ class Myshixun < ActiveRecord::Base
   has_many :games, :dependent => :destroy, :order => "games.id ASC"
 
   # 当前任务：一个实训中只可能一个未完成任务(status 0或1只会存在一条记录)
-  # 优先取未完成的任务，如果任务都完成则取stage最大的任务（有下一步）
+  # status:0 可以测评的，正在测评的
+  # 如果都完成，则当前任务为最后一个任务
   def current_task
     games = self.games
-    current_game = games.select{|game| game.status != 2 && game.status != 3}
+    current_game = games.select{|game| game=[0,1]}.first
     if current_game.blank?
-      current_game = Game.where(:status => 2, :myshixun_id => self.id).order("stage desc").first
+      current_game = self.games.last
     end
     return current_game
   end