feat: improve performance table to support tutor filtering

app/controllers/course/statistics/aggregate_controller.rb

@@ -9,8 +9,9 @@ def course_progression
   end
 
   def course_performance
-    @students = students
+    @students = course_users.students.ordered_by_experience_points.with_performance_statistics
     @correctness_hash = correctness_hash
+    @service = group_manager_preload_service
   end
 
   def all_staff
@@ -99,10 +100,6 @@ def course_users
     @course_users ||= current_course.course_users.includes(:groups)
   end
 
-  def students
-    @students = current_course.course_users.students.with_performance_statistics
-  end
-
   def group_manager_preload_service
     staff = course_users.staff
     Course::GroupManagerPreloadService.new(staff)

app/views/course/statistics/aggregate/course_performance.json.jbuilder

@@ -4,21 +4,32 @@ is_course_gamified = current_course.gamified?
 course_videos = current_course.videos
 course_video_count = course_videos.exists? ? course_videos.count : 0
 show_video = course_videos.exists? && can?(:analyze_videos, current_course)
+no_group_managers = @service.no_group_managers?
 
 json.hasPersonalizedTimeline has_personalized_timeline
 json.isCourseGamified is_course_gamified
 json.showVideo show_video
 json.courseVideoCount course_video_count
+json.hasGroupManagers !no_group_managers
 
 json.students @students do |student|
   json.id student.id
   json.name student.name
+  json.nameLink json.nameLink course_user_path(current_course, student)
   json.isPhantom student.phantom?
   json.numSubmissions student.assessment_submission_count
   json.correctness @correctness_hash[student.id]
 
   json.learningRate student.latest_learning_rate if has_personalized_timeline
 
+  unless no_group_managers
+    json.groupManagers @service.group_managers_of(student) do |manager|
+      json.id manager.id
+      json.name manager.name
+      json.nameLink course_user_path(current_course, manager)
+    end
+  end
+
   if is_course_gamified
     json.achievementCount student.achievement_count
     json.level student.level_number

client/app/bundles/course/statistics/actions.js

@@ -91,6 +91,7 @@ export function fetchCoursePerformanceStatistics(failureMessage) {
           isCourseGamified: response.data.isCourseGamified,
           showVideo: response.data.showVideo,
           courseVideoCount: parseInt(response.data.courseVideoCount, 10),
+          hasGroupManagers: response.data.hasGroupManagers,
         });
       })
       .catch(() => {