wip

packages/social/application/use-cases/GetCurrentUserSocialUseCase.ts

@@ -0,0 +1,56 @@
+import type { ISocialGraphRepository } from '../../domain/repositories/ISocialGraphRepository';
+import type { CurrentUserSocialDTO } from '../dto/CurrentUserSocialDTO';
+import type { FriendDTO } from '../dto/FriendDTO';
+import type {
+  CurrentUserSocialViewModel,
+  ICurrentUserSocialPresenter,
+} from '../presenters/ISocialPresenters';
+
+export interface GetCurrentUserSocialParams {
+  driverId: string;
+}
+
+/**
+ * Application-level use case to retrieve the current user's social context.
+ *
+ * Keeps orchestration in the social bounded context while delegating
+ * data access to domain repositories and presenting via a presenter.
+ */
+export class GetCurrentUserSocialUseCase {
+  constructor(
+    private readonly socialGraphRepository: ISocialGraphRepository,
+    public readonly presenter: ICurrentUserSocialPresenter,
+  ) {}
+
+  async execute(params: GetCurrentUserSocialParams): Promise<void> {
+    const { driverId } = params;
+
+    const friendsDomain = await this.socialGraphRepository.getFriends(driverId);
+
+    const friends: FriendDTO[] = friendsDomain.map((friend) => ({
+      driverId: friend.id,
+      displayName: friend.name,
+      avatarUrl: '',
+      isOnline: false,
+      lastSeen: new Date(),
+      primaryLeagueId: undefined,
+      primaryTeamId: undefined,
+    }));
+
+    const currentUser: CurrentUserSocialDTO = {
+      driverId,
+      displayName: '',
+      avatarUrl: '',
+      countryCode: '',
+      primaryTeamId: undefined,
+      primaryLeagueId: undefined,
+    };
+
+    const viewModel: CurrentUserSocialViewModel = {
+      currentUser,
+      friends,
+    };
+
+    this.presenter.present(viewModel);
+  }
+}