feat(api): add /user/get-session-user (#50557)

Co-authored-by: Shaun Hamilton <shauhami020@gmail.com>

api/src/utils/progress.test.ts

@@ -0,0 +1,39 @@
+import { getCalendar, getPoints } from './progress';
+
+describe('utils/progress', () => {
+  describe('getCalendar', () => {
+    it('should return an empty object if no timestamps are passed', () => {
+      expect(getCalendar([])).toEqual({});
+      expect(getCalendar(null)).toEqual({});
+    });
+    it('should take timestamps and return a calendar object', () => {
+      const timestamps = [-1111001, 0, 1111000, 1111500, 1113000, 9999999];
+
+      expect(getCalendar(timestamps)).toEqual({
+        '-1112': 1,
+        0: 1,
+        1111: 1,
+        1113: 1,
+        9999: 1
+      });
+    });
+
+    it('should handle null, { timestamp: number } and float entries', () => {
+      const timestamps = [null, { timestamp: 1113000 }, 1111000.5];
+
+      expect(getCalendar(timestamps)).toEqual({
+        1111: 1,
+        1113: 1
+      });
+    });
+  });
+
+  describe('getPoints', () => {
+    it('should return 1 if there are no progressTimestamps', () => {
+      expect(getPoints(null)).toEqual(1);
+    });
+    it('should return then number of progressTimestamps if there are any', () => {
+      expect(getPoints([0, 1, 2])).toEqual(3);
+    });
+  });
+});