协助老师显示数据更改

app/controllers/courses_controller.rb

@@ -1306,7 +1306,7 @@ class CoursesController < ApplicationController
     @user = current_user
     @switch_student = Course::BUSINESS < @user_course_identity && @user_course_identity < Course::STUDENT
     @is_student = @user_course_identity == Course::STUDENT
-    @teacher_users =  @course.teacher_users.where.not(id: @course.tea_id).map(&:real_name)[0..2]
+    @teacher_users =  @course.teacher_users.where.not(id: @course.tea_id).map(&:real_name)[0..3]
     @course.increment!(:visits)
   end
 

app/controllers/weapps/courses_controller.rb

@@ -76,7 +76,7 @@ class Weapps::CoursesController < Weapps::BaseController
   def show
     @course = current_course
     @current_user = current_user
-    @teacher_users =  @course.teacher_users.where.not(id: @course.tea_id).map(&:real_name)[0..2]
+    @teacher_users =  @course.teacher_users.where.not(id: @course.tea_id).map(&:real_name)[0..3]
   end
 
   def shixun_homework_category

app/views/courses/index.json.jbuilder

@@ -13,7 +13,7 @@ json.courses @courses do |course|
     json.is_end course.is_end
     json.first_category_url module_url(course.none_hidden_course_modules.first, course)
     json.excellent course.excellent
-    json.teacher_users course.teacher_users.select{|u| u.id != course.tea_id }.map(&:real_name)[0..2] # 取前3名老师
+    json.teacher_users course.teacher_users.select{|u| u.id != course.tea_id }.map(&:real_name)[0..3] # 取前4名老师
 
 end
 json.courses_count @courses_count

app/views/users/courses/shared/_course.json.jbuilder

@@ -7,7 +7,7 @@ json.homework_commons_count get_tasks_count course
 json.attachments_count course.attachments.count
 json.visits course.visits
 json.school course.school&.name
-json.teacher_users course.teacher_users.select{|u| u.id != course.tea_id }.map(&:real_name)[0..2] # 取前3名老师
+json.teacher_users course.teacher_users.select{|u| u.id != course.tea_id }.map(&:real_name)[0..3] # 取前4名老师
 
 
 json.first_category_url module_url(course.course_modules.where(hidden: 0).order(position: :desc).first, course)

app/views/weapps/homes/show.json.jbuilder

@@ -26,6 +26,6 @@ json.courses @courses.each do |course|
   course_member = @category == "study" ? course.students.where(user_id: @user.id).first : course.teachers.where(user_id: @user.id).first
   json.sticky course_member.sticky
   json.course_identity current_user.course_identity(course)
-  json.teacher_users course.teacher_users.select{|u| u.id != course.tea_id }.map(&:real_name)[0..2] # 取前3名老师
+  json.teacher_users course.teacher_users.select{|u| u.id != course.tea_id }.map(&:real_name)[0..3] # 取前4名老师
 end