refactor

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

@@ -7,14 +7,15 @@ import type { ILeagueMembershipRepository } from '../../domain/repositories/ILea
 import type { DriverRatingProvider } from '../ports/DriverRatingProvider';
 import type { IImageServicePort } from '../ports/IImageServicePort';
 import type {
-  IRaceDetailPresenter,
   RaceDetailViewModel,
   RaceDetailRaceViewModel,
   RaceDetailLeagueViewModel,
   RaceDetailEntryViewModel,
   RaceDetailUserResultViewModel,
 } from '../presenters/IRaceDetailPresenter';
-import type { UseCase } from '@core/shared/application/UseCase';
+import type { AsyncUseCase } from '@core/shared/application/AsyncUseCase';
+import { Result } from '@core/shared/application/Result';
+import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
 
 /**
  * Use Case: GetRaceDetailUseCase
@@ -31,8 +32,10 @@ export interface GetRaceDetailQueryParams {
   driverId: string;
 }
 
+type GetRaceDetailErrorCode = 'RACE_NOT_FOUND';
+
 export class GetRaceDetailUseCase
-  implements UseCase<GetRaceDetailQueryParams, RaceDetailViewModel, RaceDetailViewModel, IRaceDetailPresenter>
+  implements AsyncUseCase<GetRaceDetailQueryParams, RaceDetailViewModel, GetRaceDetailErrorCode>
 {
   constructor(
     private readonly raceRepository: IRaceRepository,
@@ -45,26 +48,12 @@ export class GetRaceDetailUseCase
     private readonly imageService: IImageServicePort,
   ) {}
 
-  async execute(params: GetRaceDetailQueryParams, presenter: IRaceDetailPresenter): Promise<void> {
-    presenter.reset();
-
+  async execute(params: GetRaceDetailQueryParams): Promise<Result<RaceDetailViewModel, ApplicationErrorCode<GetRaceDetailErrorCode>>> {
     const { raceId, driverId } = params;
 
     const race = await this.raceRepository.findById(raceId);
     if (!race) {
-      const emptyViewModel: RaceDetailViewModel = {
-        race: null,
-        league: null,
-        entryList: [],
-        registration: {
-          isUserRegistered: false,
-          canRegister: false,
-        },
-        userResult: null,
-        error: 'Race not found',
-      };
-      presenter.present(emptyViewModel);
-      return;
+      return Result.err({ code: 'RACE_NOT_FOUND' });
     }
 
     const [league, registeredDriverIds, membership] = await Promise.all([
@@ -156,7 +145,7 @@ export class GetRaceDetailUseCase
       userResult: userResultView,
     };
 
-    presenter.present(viewModel);
+    return Result.ok(viewModel);
   }
 
   private calculateRatingChange(position: number): number {