接口调整

app/controllers/courses_controller.rb

@@ -739,8 +739,6 @@ class CoursesController < ApplicationController
 
   # 获取历史课堂，即用户管理的所有课堂以及课堂下的分班(去除当前课堂)
   def get_historical_courses
-    user_id = current_user.id
-
     @courses = Course.where.not(id: @course.id).joins(:course_members).
         where(is_delete: 0, course_members: {user_id: current_user.id, role: %i[CREATOR PROFESSOR ASSISTANT_PROFESSOR]}).includes(:course_groups)
     # @courses = Course.includes(:course_groups).where(id: current_user.course_members, is_delete: 0)
@@ -756,6 +754,7 @@ class CoursesController < ApplicationController
       @students = @students.where(course_group_id: course_group_id)
     end
 
+    @students = @students.includes(user: [user_extension: :school])
     @students_count = @students.size
   end
 

app/views/courses/get_historical_course_students.json.jbuilder

@@ -2,8 +2,8 @@ json.students do
   json.array! @students do |student|
     json.user_id student.user_id
     json.name student.user.real_name
-    json.student_id student.user.user_extension.try(:student_id)
-    json.school_name student.user.user_extension.school.try(:name)
+    json.student_id student.user.student_id
+    json.school_name student.user.school_name
   end
 end
 json.students_count @students_count