二级目录的调整

app/controllers/courses_controller.rb

@@ -103,7 +103,10 @@ class CoursesController < ApplicationController
 
   def course_videos
     videos = @course.videos
+    @video_module = @course.course_modules.find_by(module_type: "video")
     if params[:category_id].present? && params[:category_id].to_i != 0
+      @category = @video_module&.course_second_categories.find_by(id: params[:category_id])
+      tip_exception("子目录id有误") if !@category.present?
       videos = videos.where(course_videos: {course_second_category_id: params[:category_id].to_i})
     end
 

app/views/courses/course_videos.json.jbuilder

@@ -1,3 +1,8 @@
 json.count @count
 json.videos @videos, partial: 'users/videos/video', as: :video
 json.course_id @course.id
+if @category.present?
+  json.category_id @category.id
+  json.category_name @category.name
+end
+json.course_module_id @video_module&.id