refactor

core/racing/application/use-cases/GetLeagueJoinRequestsUseCase.ts

@@ -1,33 +1,27 @@
 import type { ILeagueMembershipRepository } from '../../domain/repositories/ILeagueMembershipRepository';
 import type { IDriverRepository } from '../../domain/repositories/IDriverRepository';
-import type { IGetLeagueJoinRequestsPresenter, GetLeagueJoinRequestsResultDTO, GetLeagueJoinRequestsViewModel } from '../presenters/IGetLeagueJoinRequestsPresenter';
-import type { UseCase } from '@core/shared/application/UseCase';
+import type { AsyncUseCase } from '@core/shared/application';
+import { Result } from '@core/shared/result/Result';
+import type { GetLeagueJoinRequestsUseCaseParams } from '../dto/GetLeagueJoinRequestsUseCaseParams';
+import type { GetLeagueJoinRequestsResultDTO } from '../dto/GetLeagueJoinRequestsResultDTO';
 
-export interface GetLeagueJoinRequestsUseCaseParams {
-  leagueId: string;
-}
-
-export interface GetLeagueJoinRequestsResultDTO {
-  joinRequests: unknown[];
-  drivers: { id: string; name: string }[];
-}
-
-export class GetLeagueJoinRequestsUseCase implements UseCase<GetLeagueJoinRequestsUseCaseParams, GetLeagueJoinRequestsResultDTO, GetLeagueJoinRequestsViewModel, IGetLeagueJoinRequestsPresenter> {
+export class GetLeagueJoinRequestsUseCase implements AsyncUseCase<GetLeagueJoinRequestsUseCaseParams, Result<GetLeagueJoinRequestsResultDTO, never>> {
   constructor(
     private readonly leagueMembershipRepository: ILeagueMembershipRepository,
     private readonly driverRepository: IDriverRepository,
   ) {}
 
-  async execute(params: GetLeagueJoinRequestsUseCaseParams, presenter: IGetLeagueJoinRequestsPresenter): Promise<void> {
+  async execute(params: GetLeagueJoinRequestsUseCaseParams): Promise<Result<GetLeagueJoinRequestsResultDTO, never>> {
     const joinRequests = await this.leagueMembershipRepository.getJoinRequests(params.leagueId);
-    const driverIds = joinRequests.map(r => r.driverId);
-    const drivers = await this.driverRepository.findByIds(driverIds);
-    const driverMap = new Map(drivers.map(d => [d.id, { id: d.id, name: d.name }]));
-    const dto: GetLeagueJoinRequestsResultDTO = {
-      joinRequests,
-      drivers: Array.from(driverMap.values()),
-    };
-    presenter.reset();
-    presenter.present(dto);
+    const driverIds = [...new Set(joinRequests.map(r => r.driverId))];
+    const drivers = await Promise.all(driverIds.map(id => this.driverRepository.findById(id)));
+    const driverMap = new Map(drivers.filter(d => d !== null).map(d => [d!.id, { id: d!.id, name: d!.name }]));
+    const enrichedJoinRequests = joinRequests.map(request => ({
+      ...request,
+      driver: driverMap.get(request.driverId)!,
+    }));
+    return Result.ok({
+      joinRequests: enrichedJoinRequests,
+    });
   }
 }