Display badge indicating when a student dropped an assignment

lms/static/scripts/frontend_apps/api-types.ts

@@ -194,6 +194,9 @@ export type Student = {
   h_userid: string;
   lms_id: string;
   display_name: string | null;
+
+  /** Whether this student is active in the course/assignment or roster */
+  active: boolean;
 };
 
 export type AutoGradingGrade = {

lms/static/scripts/frontend_apps/components/dashboard/AssignmentActivity.tsx

@@ -28,6 +28,7 @@ import FormattedDate from './FormattedDate';
 import GradeIndicator from './GradeIndicator';
 import type { OrderableActivityTableColumn } from './OrderableActivityTable';
 import OrderableActivityTable from './OrderableActivityTable';
+import StudentStatusBadge from './StudentStatusBadge';
 import SyncGradesButton from './SyncGradesButton';
 
 type StudentsTableRow = {
@@ -47,6 +48,9 @@ type StudentsTableRow = {
    * If the assignment is not auto-grading, this will be ´undefined`.
    */
   last_grade?: number | null;
+
+  /** Whether this student is active in the course/assignment or roster */
+  active: boolean;
 };
 
 /**
@@ -150,7 +154,8 @@ export default function AssignmentActivity() {
 
     return students.data.students
       .filter(
-        ({ auto_grading_grade }) =>
+        ({ auto_grading_grade, active }) =>
+          active &&
           !!auto_grading_grade &&
           auto_grading_grade.current_grade !== auto_grading_grade.last_grade,
       )
@@ -381,15 +386,25 @@ export default function AssignmentActivity() {
               );
             case 'display_name':
               return (
-                stats.display_name ?? (
-                  <span className="flex flex-col gap-1.5">
-                    <span className="italic">Unknown</span>
-                    <span className="text-xs text-grey-7">
-                      This student launched the assignment but didn{"'"}t
-                      annotate yet
+                <div className="flex items-center justify-between gap-x-2">
+                  {stats.display_name ?? (
+                    <span className="flex flex-col gap-1.5">
+                      <span className="italic">Unknown</span>
+                      <span className="text-xs text-grey-7">
+                        This student launched the assignment but didn{"'"}t
+                        annotate yet
+                      </span>
                     </span>
-                  </span>
-                )
+                  )}
+                  {!stats.active && (
+                    <div
+                      className="-my-0.5"
+                      title="This student is no longer in this assignment"
+                    >
+                      <StudentStatusBadge type="drop" />
+                    </div>
+                  )}
+                </div>
               );
             case 'current_grade':
               return (

lms/static/scripts/frontend_apps/components/dashboard/GradeIndicator.tsx

@@ -12,6 +12,8 @@ import type {
   StudentGradingSyncStatus,
 } from '../../api-types';
 import GradeStatusChip from './GradeStatusChip';
+import type { StudentStatusType } from './StudentStatusBadge';
+import StudentStatusBadge from './StudentStatusBadge';
 
 type AnnotationCountProps = {
   children: ComponentChildren;
@@ -57,27 +59,6 @@ function SectionTitle({ children }: { children: ComponentChildren }) {
   );
 }
 
-type BadgeType = 'new' | 'error' | 'syncing';
-
-function Badge({ type }: { type: BadgeType }) {
-  return (
-    <div
-      className={classnames(
-        'px-1 py-0.5 rounded cursor-auto font-bold uppercase text-[0.65rem]',
-        {
-          'bg-grey-7 text-white': type === 'new',
-          'bg-grade-error-light text-grade-error': type === 'error',
-          'bg-grey-2 text-grey-7': type === 'syncing',
-        },
-      )}
-    >
-      {type === 'new' && 'New'}
-      {type === 'error' && 'Error'}
-      {type === 'syncing' && 'Syncing'}
-    </div>
-  );
-}
-
 export type GradeIndicatorProps = {
   grade: number;
   lastGrade?: number | null;
@@ -114,7 +95,7 @@ export default function GradeIndicator({
   // Checking typeof lastGrade to avoid number zero to be treated as false
   const hasLastGrade = typeof lastGrade === 'number';
   const gradeHasChanged = lastGrade !== grade;
-  const badgeType = ((): BadgeType | undefined => {
+  const badgeType = ((): StudentStatusType | undefined => {
     if (status === 'in_progress') {
       return 'syncing';
     }
@@ -142,7 +123,7 @@ export default function GradeIndicator({
         >
           <GradeStatusChip grade={grade} />
         </button>
-        {badgeType && <Badge type={badgeType} />}
+        {badgeType && <StudentStatusBadge type={badgeType} />}
       </div>
       <div aria-live="polite" aria-relevant="additions">
         {popoverVisible && (

lms/static/scripts/frontend_apps/components/dashboard/StudentStatusBadge.tsx

@@ -0,0 +1,39 @@
+import classnames from 'classnames';
+
+/**
+ * Grade syncing:
+ *  - `new`: A new grade exists that has not been synced.
+ *  - `error`: Last attempt on syncing a grade failed.
+ *  - `syncing`: Syncing grades is in progress for a particular student.
+ * Assignment participation:
+ *  - `drop`: The student dropped the assignment.
+ */
+export type StudentStatusType = 'new' | 'error' | 'syncing' | 'drop';
+
+/**
+ * Badge displaying different student-related statuses around assignment
+ * participation or grade syncing
+ */
+export default function StudentStatusBadge({
+  type,
+}: {
+  type: StudentStatusType;
+}) {
+  return (
+    <div
+      className={classnames(
+        'px-1 py-0.5 rounded cursor-auto font-bold uppercase text-[0.65rem]',
+        {
+          'bg-grey-7 text-white': type === 'new' || type === 'drop',
+          'bg-grade-error-light text-grade-error': type === 'error',
+          'bg-grey-2 text-grey-7': type === 'syncing',
+        },
+      )}
+    >
+      {type === 'new' && 'New'}
+      {type === 'error' && 'Error'}
+      {type === 'syncing' && 'Syncing'}
+      {type === 'drop' && 'Drop'}
+    </div>
+  );
+}

lms/static/scripts/frontend_apps/components/dashboard/test/AssignmentActivity-test.js

@@ -23,6 +23,7 @@ describe('AssignmentActivity', () => {
         current_grade: 0.5,
         last_grade: null,
       },
+      active: true,
     },
     {
       display_name: 'a',
@@ -35,6 +36,7 @@ describe('AssignmentActivity', () => {
         current_grade: 0.8,
         last_grade: 0.61,
       },
+      active: true,
     },
     {
       display_name: 'c',
@@ -47,6 +49,7 @@ describe('AssignmentActivity', () => {
         current_grade: 0.4,
         last_grade: null,
       },
+      active: false,
     },
   ];
   const activeAssignment = {
@@ -121,6 +124,8 @@ describe('AssignmentActivity', () => {
       // Do not mock FormattedDate, for consistency when checking
       // rendered values in different columns
       './FormattedDate': true,
+      // Let badges render normally so that we can assert on their text
+      './StudentStatusBadge': true,
     });
     $imports.$mock({
       '../../utils/api': {
@@ -221,14 +226,35 @@ describe('AssignmentActivity', () => {
       expectedValue: '',
       studentStats: { last_activity: null },
     },
-    // Render display_name when it's null
+    // Render fallback when display_name is null
     {
       fieldName: 'display_name',
       expectedValue:
         "UnknownThis student launched the assignment but didn't annotate yet",
       studentStats: {
         id: 'e4ca30ee27eda1169d00b83f2a86e3494ffd9b12',
         display_name: null,
+        active: true,
+      },
+    },
+    // Render fallback when display_name is null and user is not active
+    {
+      fieldName: 'display_name',
+      expectedValue:
+        "UnknownThis student launched the assignment but didn't annotate yetDrop",
+      studentStats: {
+        id: 'e4ca30ee27eda1169d00b83f2a86e3494ffd9b12',
+        display_name: null,
+        active: false,
+      },
+    },
+    // Render inactive user's display name
+    {
+      fieldName: 'display_name',
+      expectedValue: 'Jane DoeDrop',
+      studentStats: {
+        display_name: 'Jane Doe',
+        active: false,
       },
     },
   ].forEach(({ fieldName, expectedValue, studentStats }) => {
@@ -238,6 +264,7 @@ describe('AssignmentActivity', () => {
         last_activity: '2024-01-01T10:35:18',
         annotations: 37,
         replies: 25,
+        active: true,
       };
       const wrapper = createComponent();
 
@@ -566,6 +593,7 @@ describe('AssignmentActivity', () => {
               auto_grading_grade: {
                 current_grade: 0.5,
               },
+              active: true,
             },
             // Included, because last grade and current grade are different
             {
@@ -575,11 +603,13 @@ describe('AssignmentActivity', () => {
                 current_grade: 0.87,
                 last_grade: 0.7,
               },
+              active: true,
             },
             // Ignored, because auto_grading_grade is not set
             {
               display_name: 'c',
               h_userid: 'baz',
+              active: true,
             },
             // Ignored, because last and current grades are the same
             {
@@ -589,6 +619,16 @@ describe('AssignmentActivity', () => {
                 current_grade: 0.64,
                 last_grade: 0.64,
               },
+              active: true,
+            },
+            // Ignored, because it's not active
+            {
+              display_name: 'e',
+              h_userid: 'foo',
+              auto_grading_grade: {
+                current_grade: 0.5,
+              },
+              active: false,
             },
           ],
         },

lms/static/scripts/frontend_apps/components/dashboard/test/GradeIndicator-test.js

@@ -216,7 +216,7 @@ describe('GradeIndicator', () => {
   ].forEach(({ lastGrade, shouldShowBadge, shouldShowPrevGrade }) => {
     it('shows the "new" badge if last grade is not set or is different than current grade', () => {
       const wrapper = createComponent({ lastGrade });
-      const badge = wrapper.find('Badge[type="new"]');
+      const badge = wrapper.find('StudentStatusBadge[type="new"]');
 
       assert.equal(badge.exists(), shouldShowBadge);
       if (shouldShowBadge) {
@@ -244,7 +244,7 @@ describe('GradeIndicator', () => {
   ].forEach(({ status, expectedBadge, expectedBadgeText }) => {
     it('shows the corresponding badge based on status', () => {
       const wrapper = createComponent({ status });
-      const badge = wrapper.find(`Badge[type="${expectedBadge}"]`);
+      const badge = wrapper.find(`StudentStatusBadge[type="${expectedBadge}"]`);
 
       assert.isTrue(badge.exists());
       assert.equal(badge.text(), expectedBadgeText);

lms/static/scripts/frontend_apps/components/dashboard/test/StudentStatusBadge-test.js

@@ -0,0 +1,17 @@
+import { mount } from 'enzyme';
+
+import StudentStatusBadge from '../StudentStatusBadge';
+
+describe('StudentStatusBadge', () => {
+  [
+    { type: 'new', expectedText: 'New' },
+    { type: 'error', expectedText: 'Error' },
+    { type: 'syncing', expectedText: 'Syncing' },
+    { type: 'drop', expectedText: 'Drop' },
+  ].forEach(({ type, expectedText }) => {
+    it('shows right text based on type', () => {
+      const badge = mount(<StudentStatusBadge type={type} />);
+      assert.equal(badge.text(), expectedText);
+    });
+  });
+});