feat(notifications): Add logic for service to get recent notifications

src/notifications/NotificationService.js

@@ -1,4 +1,21 @@
-const getNotifications = async () => null;
+// @flow
+
+import DiscourseService from "../common/DiscourseService";
+import get from "lodash/get";
+
+const getNotifications = async (
+ { limit }: { limit: number } = { limit: 20 }
+): Promise<Array<$NonMaybeType<Notification>>> => {
+ try {
+ const response = await DiscourseService.get(
+ `notifications.json?recent=true&limit=${limit}`
+ );
+
+ return get(response, "notifications", []);
+ } catch (e) {
+ return [];
+ }
+};
 
 export default {
  getNotifications,

src/notifications/__tests__/NotificationService.spec.js

@@ -0,0 +1,36 @@
+import DiscourseService from "../../common/DiscourseService";
+import { notifications } from "./__fixtures__/notifications";
+import NotificationService from "../NotificationService";
+
+describe("NotificationService", () => {
+ describe("getNotifications", () => {
+ it("allows to send a request to get user recent notifications", () => {
+ DiscourseService.get = jest.fn().mockResolvedValueOnce(null);
+ NotificationService.getNotifications();
+
+ expect(DiscourseService.get).toHaveBeenNthCalledWith(
+ 1,
+ "notifications.json?recent=true&limit=20"
+ );
+ });
+
+ it("returns the notifications when request is successful", done => {
+ const response = { notifications };
+
+ DiscourseService.get = jest.fn().mockResolvedValueOnce(response);
+ NotificationService.getNotifications().then(result => {
+ expect(result).toEqual(notifications);
+ done();
+ });
+ });
+
+ it("returns null when request is unsuccessful", done => {
+ DiscourseService.get = jest.fn().mockRejectedValueOnce("Network Error");
+
+ NotificationService.getNotifications().then(result => {
+ expect(result).toEqual([]);
+ done();
+ });
+ });
+ });
+});