[PM-14219] Add service for new device verification notice (#11988)

* added service and spec file for new device verification notice

libs/common/src/platform/state/state-definitions.ts

@@ -173,3 +173,7 @@ export const PREMIUM_BANNER_DISK_LOCAL = new StateDefinition("premiumBannerRepro
 });
 export const BANNERS_DISMISSED_DISK = new StateDefinition("bannersDismissed", "disk");
 export const VAULT_BROWSER_UI_ONBOARDING = new StateDefinition("vaultBrowserUiOnboarding", "disk");
+export const NEW_DEVICE_VERIFICATION_NOTICE = new StateDefinition(
+  "newDeviceVerificationNotice",
+  "disk",
+);

libs/vault/src/services/new-device-verification-notice.service.spec.ts

@@ -0,0 +1,85 @@
+import { firstValueFrom } from "rxjs";
+
+import { Utils } from "@bitwarden/common/platform/misc/utils";
+import { UserId } from "@bitwarden/common/types/guid";
+
+import {
+  FakeAccountService,
+  FakeSingleUserState,
+  FakeStateProvider,
+  mockAccountServiceWith,
+} from "../../../common/spec";
+
+import {
+  NewDeviceVerificationNoticeService,
+  NewDeviceVerificationNotice,
+  NEW_DEVICE_VERIFICATION_NOTICE_KEY,
+} from "./new-device-verification-notice.service";
+
+describe("New Device Verification Notice", () => {
+  const sut = NEW_DEVICE_VERIFICATION_NOTICE_KEY;
+  const userId = Utils.newGuid() as UserId;
+  let newDeviceVerificationService: NewDeviceVerificationNoticeService;
+  let mockNoticeState: FakeSingleUserState<NewDeviceVerificationNotice>;
+  let stateProvider: FakeStateProvider;
+  let accountService: FakeAccountService;
+
+  beforeEach(() => {
+    accountService = mockAccountServiceWith(userId);
+    stateProvider = new FakeStateProvider(accountService);
+    mockNoticeState = stateProvider.singleUser.getFake(userId, NEW_DEVICE_VERIFICATION_NOTICE_KEY);
+    newDeviceVerificationService = new NewDeviceVerificationNoticeService(stateProvider);
+  });
+
+  it("should deserialize newDeviceVerificationNotice values", async () => {
+    const currentDate = new Date();
+    const inputObj = {
+      last_dismissal: currentDate,
+      permanent_dismissal: false,
+    };
+
+    const expectedFolderData = {
+      last_dismissal: currentDate.toJSON(),
+      permanent_dismissal: false,
+    };
+
+    const result = sut.deserializer(JSON.parse(JSON.stringify(inputObj)));
+
+    expect(result).toEqual(expectedFolderData);
+  });
+
+  describe("notice$", () => {
+    it("emits new device verification notice state", async () => {
+      const currentDate = new Date();
+      const data = {
+        last_dismissal: currentDate,
+        permanent_dismissal: false,
+      };
+      await stateProvider.setUserState(NEW_DEVICE_VERIFICATION_NOTICE_KEY, data, userId);
+
+      const result = await firstValueFrom(newDeviceVerificationService.noticeState$(userId));
+
+      expect(result).toBe(data);
+    });
+  });
+
+  describe("update notice state", () => {
+    it("should update the date with a new value", async () => {
+      const currentDate = new Date();
+      const oldDate = new Date("11-11-2011");
+      const oldState = {
+        last_dismissal: oldDate,
+        permanent_dismissal: false,
+      };
+      const newState = {
+        last_dismissal: currentDate,
+        permanent_dismissal: true,
+      };
+      mockNoticeState.nextState(oldState);
+      await newDeviceVerificationService.updateNewDeviceVerificationNoticeState(userId, newState);
+
+      const result = await firstValueFrom(newDeviceVerificationService.noticeState$(userId));
+      expect(result).toEqual(newState);
+    });
+  });
+});

libs/vault/src/services/new-device-verification-notice.service.ts

@@ -0,0 +1,65 @@
+import { Injectable } from "@angular/core";
+import { Observable } from "rxjs";
+import { Jsonify } from "type-fest";
+
+import {
+  StateProvider,
+  UserKeyDefinition,
+  NEW_DEVICE_VERIFICATION_NOTICE,
+  SingleUserState,
+} from "@bitwarden/common/platform/state";
+import { UserId } from "@bitwarden/common/types/guid";
+
+// This service checks when to show New Device Verification Notice to Users
+// It will be a two phase approach and the values below will work with two different feature flags
+// If a user dismisses the notice, use "last_dismissal" to wait 7 days before re-prompting
+// permanent_dismissal will be checked if the user should never see the notice again
+export class NewDeviceVerificationNotice {
+  last_dismissal: Date;
+  permanent_dismissal: boolean;
+
+  constructor(obj: Partial<NewDeviceVerificationNotice>) {
+    if (obj == null) {
+      return;
+    }
+    this.last_dismissal = obj.last_dismissal || null;
+    this.permanent_dismissal = obj.permanent_dismissal || null;
+  }
+
+  static fromJSON(obj: Jsonify<NewDeviceVerificationNotice>) {
+    return Object.assign(new NewDeviceVerificationNotice({}), obj);
+  }
+}
+
+export const NEW_DEVICE_VERIFICATION_NOTICE_KEY =
+  new UserKeyDefinition<NewDeviceVerificationNotice>(
+    NEW_DEVICE_VERIFICATION_NOTICE,
+    "noticeState",
+    {
+      deserializer: (obj: Jsonify<NewDeviceVerificationNotice>) =>
+        NewDeviceVerificationNotice.fromJSON(obj),
+      clearOn: [],
+    },
+  );
+
+@Injectable()
+export class NewDeviceVerificationNoticeService {
+  constructor(private stateProvider: StateProvider) {}
+
+  private noticeState(userId: UserId): SingleUserState<NewDeviceVerificationNotice> {
+    return this.stateProvider.getUser(userId, NEW_DEVICE_VERIFICATION_NOTICE_KEY);
+  }
+
+  noticeState$(userId: UserId): Observable<NewDeviceVerificationNotice> {
+    return this.noticeState(userId).state$;
+  }
+
+  async updateNewDeviceVerificationNoticeState(
+    userId: UserId,
+    newState: NewDeviceVerificationNotice,
+  ): Promise<void> {
+    await this.noticeState(userId).update(() => {
+      return { ...newState };
+    });
+  }
+}