修改《admin可以访问courses和users列表》

Signed-off-by: alan <547533434@qq.com>

Gemfile.lock

@@ -130,6 +130,7 @@ GEM
       rspec (~> 2.11)
     hashie (3.3.1)
     hike (1.2.3)
+    hitimes (1.2.2)
     hitimes (1.2.2-x86-mingw32)
     htmlentities (4.3.2)
     i18n (0.6.1)
@@ -176,6 +177,10 @@ GEM
       cocaine (~> 0.5.3)
       mime-types
     polyglot (0.3.5)
+    pry (0.9.12.6)
+      coderay (~> 1.0)
+      method_source (~> 0.8)
+      slop (~> 3.4)
     pry (0.9.12.6-x86-mingw32)
       coderay (~> 1.0)
       method_source (~> 0.8)

app/controllers/courses_controller.rb

@@ -8,6 +8,7 @@ class CoursesController < ApplicationController
   menu_item :overview
   menu_item :feedback, :only => :feedback
   menu_item :homework, :only => :homework
+
   menu_item :new_homework, :only => :new_homework
 
   menu_item l(:label_sort_by_time), :only => :index
@@ -675,8 +676,10 @@ class CoursesController < ApplicationController
   end
 
   def index
-    render_404 unless User.current.admin?
-
+    if !User.current.admin?
+       render_404
+       return
+    end
     @course_type = params[:course_type]
     @school_id = params[:school_id]
     per_page_option = 10
@@ -724,7 +727,7 @@ class CoursesController < ApplicationController
 
     respond_to do |format|
       format.html {
-        # render :layout => 'base'
+         render :layout => 'base'
       }
       format.atom {
         courses = Course.visible.order('created_on DESC').limit(Setting.feeds_limit.to_i).all