refactor

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

@@ -2,34 +2,18 @@ import type { IStandingRepository } from '../../domain/repositories/IStandingRep
 import type { IResultRepository } from '../../domain/repositories/IResultRepository';
 import type { IPenaltyRepository } from '../../domain/repositories/IPenaltyRepository';
 import type { IRaceRepository } from '../../domain/repositories/IRaceRepository';
-import type {
-  ILeagueDriverSeasonStatsPresenter,
-  LeagueDriverSeasonStatsResultDTO,
-  LeagueDriverSeasonStatsViewModel,
-} from '../presenters/ILeagueDriverSeasonStatsPresenter';
-import type { UseCase } from '@core/shared/application/UseCase';
-
-export interface DriverRatingPort {
-  getRating(driverId: string): { rating: number | null; ratingChange: number | null };
-}
-
-export interface GetLeagueDriverSeasonStatsUseCaseParams {
-  leagueId: string;
-}
+import type { LeagueDriverSeasonStatsResultDTO } from '../presenters/ILeagueDriverSeasonStatsPresenter';
+import type { AsyncUseCase } from '@core/shared/application';
+import { Result } from '@core/shared/result/Result';
+import { RacingDomainValidationError } from '../../domain/errors/RacingDomainError';
+import type { GetLeagueDriverSeasonStatsUseCaseParams } from './GetLeagueDriverSeasonStatsUseCaseParams';
+import type { DriverRatingPort } from './DriverRatingPort';
 
 /**
  * Use Case for retrieving league driver season statistics.
- * Orchestrates domain logic and delegates presentation to the presenter.
+ * Orchestrates domain logic and returns the result.
  */
-export class GetLeagueDriverSeasonStatsUseCase
-  implements
-    UseCase<
-      GetLeagueDriverSeasonStatsUseCaseParams,
-      LeagueDriverSeasonStatsResultDTO,
-      LeagueDriverSeasonStatsViewModel,
-      ILeagueDriverSeasonStatsPresenter
-    >
-{
+export class GetLeagueDriverSeasonStatsUseCase implements AsyncUseCase<GetLeagueDriverSeasonStatsUseCaseParams, Result<LeagueDriverSeasonStatsResultDTO, RacingDomainValidationError>> {
   constructor(
     private readonly standingRepository: IStandingRepository,
     private readonly resultRepository: IResultRepository,
@@ -38,11 +22,7 @@ export class GetLeagueDriverSeasonStatsUseCase
     private readonly driverRatingPort: DriverRatingPort,
   ) {}
 
-  async execute(
-    params: GetLeagueDriverSeasonStatsUseCaseParams,
-    presenter: ILeagueDriverSeasonStatsPresenter,
-  ): Promise<void> {
-    presenter.reset();
+  async execute(params: GetLeagueDriverSeasonStatsUseCaseParams): Promise<Result<LeagueDriverSeasonStatsResultDTO, RacingDomainValidationError>> {
     const { leagueId } = params;
 
     // Get standings and races for the league
@@ -62,15 +42,15 @@ export class GetLeagueDriverSeasonStatsUseCase
     for (const p of penaltiesForLeague) {
       // Only count applied penalties
       if (p.status !== 'applied') continue;
-      
+
       const current = penaltiesByDriver.get(p.driverId) ?? { baseDelta: 0, bonusDelta: 0 };
-      
+
       // Convert penalty to points delta based on type
       if (p.type === 'points_deduction' && p.value) {
         // Points deductions are negative
         current.baseDelta -= p.value;
       }
-      
+
       penaltiesByDriver.set(p.driverId, current);
     }
 
@@ -104,6 +84,6 @@ export class GetLeagueDriverSeasonStatsUseCase
       driverRatings,
     };
 
-    presenter.present(dto);
+    return Result.ok(dto);
   }
 }