课程资源搜索bug

app/controllers/users_controller.rb

@@ -1436,7 +1436,7 @@ class UsersController < ApplicationController
     elsif params[:type] == "2" #课程资源
       if User.current.id.to_i == params[:id].to_i
         user_course_ids = User.current.courses.map { |c| c.id}
-        @attachments = Attachment.where("(author_id = #{params[:id]} and container_type = 'Course') or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')})) ").order("created_on desc")
+        @attachments = Attachment.where("(author_id = #{params[:id]} and container_type = 'Course') or (container_type = 'Course'  and container_id in (#{user_course_ids.empty? ? '0': user_course_ids.join(',')})) and (filename like '%#{search}%') ").order("created_on desc")
       else
         user_course_ids = User.find(params[:id]).courses.visible.map { |c| c.id}  #如果课程私有资源，那么要看这个资源的课程是不是在 这个user的所有我可见的课程中
         @attachments = Attachment.where("((author_id = #{params[:id]} and is_public = 1 and container_type = 'Course') "+