课程被删除后不能被搜索

app/models/course.rb

@@ -115,7 +115,7 @@ class Course < ActiveRecord::Base
       where(" LOWER(name) LIKE :p ", :p => pattern)
     end
   }
-  scope :indexable,lambda { where('is_public = 1') }
+  scope :indexable,lambda { where('is_public = 1 and is_delete = 0') }
   def self.search(query)
     __elasticsearch__.search(
         {
@@ -400,12 +400,12 @@ class Course < ActiveRecord::Base
   #   __elasticsearch__.delete_document
   # end
   def create_course_ealasticsearch_index
-    if self.is_public == 1
+    if self.is_public == 1 and self.is_delete == 0  #公开 和 没有被删除的课程才被索引
       self.__elasticsearch__.index_document
     end
   end
   def update_course_ealasticsearch_index
-    if self.is_public == 1 #如果是初次更新成为公开的情况，会报错，那么这条记录尚未被索引过。没有报错就是更新的其他属性
+    if self.is_public == 1 and self.is_delete == 0 #如果是初次更新成为公开或者恢复被删除的情况，会报错，那么这条记录尚未被索引过。没有报错就是更新的其他属性
       begin
         self.__elasticsearch__.update_document
       rescue => e