过滤之后现在所有的TAG云

app/controllers/files_controller.rb

@@ -79,7 +79,8 @@ class FilesController < ApplicationController
         @result = find_course_attache q,@course,sort
         @result = visable_attachemnts @result
         @searched_attach = paginateHelper @result,10
-        @tag_list = attachment_tag_list @result
+
+        @tag_list = get_course_tag_list @course
       end
     #rescue Exception => e
     #  #render 'stores'
@@ -541,7 +542,7 @@ class FilesController < ApplicationController
     @result = visable_attachemnts @result
     @result = @result.select{|attachment| attachment.tag_list.include?(@tag_name)}
     @searched_attach = paginateHelper @result,10
-    @tag_list = attachment_tag_list @result
+    @tag_list = get_course_tag_list @course
 
     respond_to do |format|
       format.js

app/controllers/tags_controller.rb

@@ -223,11 +223,7 @@ class TagsController < ApplicationController
 
       if @obj && @object_flag == '6' && @obj.container.kind_of?(Course)
         @course = @obj.container
-        all_attachments = @course.attachments.select{|attachment| attachment.is_public? ||
-            (attachment.container_type == "Course" && User.current.member_of_course?(@course))||
-            attachment.author_id == User.current.id
-        }
-        @tag_list = attachment_tag_list all_attachments
+        @tag_list = get_course_tag_list @course
       end
       # end
     end
@@ -274,11 +270,7 @@ class TagsController < ApplicationController
     end
     if @obj && @obj_flag == '6' && @obj.container.kind_of?(Course)
       @course = @obj.container
-      all_attachments = @course.attachments.select{|attachment| attachment.is_public? ||
-          (attachment.container_type == "Course" && User.current.member_of_course?(@course))||
-          attachment.author_id == User.current.id
-      }
-      @tag_list = attachment_tag_list all_attachments
+      @tag_list = @tag_list = get_course_tag_list @course
     end
     respond_to do |format|
       format.js

app/helpers/application_helper.rb

@@ -2106,4 +2106,14 @@ module ApplicationHelper
     end
     tag_list.sort {|a,b| b[1]<=>a[1]}
   end
+
+  #获取课程资源的TAG云
+  def get_course_tag_list course
+    all_attachments = course.attachments.select{|attachment| attachment.is_public? ||
+        (attachment.container_type == "Course" && User.current.member_of_course?(course))||
+        attachment.author_id == User.current.id
+    }
+    tag_list = attachment_tag_list all_attachments
+    tag_list
+  end
 end