refactor use cases

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

@@ -2,7 +2,6 @@ import type { ILeagueMembershipRepository } from '../../domain/repositories/ILea
 import type { IRaceRepository } from '../../domain/repositories/IRaceRepository';
 import { Result } from '@core/shared/application/Result';
 import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
-import type { UseCaseOutputPort } from '@core/shared/application/UseCaseOutputPort';
 
 export interface GetLeagueStatsInput {
   leagueId: string;
@@ -24,12 +23,11 @@ export class GetLeagueStatsUseCase {
     private readonly getDriverRating: (input: {
       driverId: string;
     }) => Promise<{ rating: number | null; ratingChange: number | null }>,
-    private readonly output: UseCaseOutputPort<GetLeagueStatsResult>,
   ) {}
 
   async execute(
     input: GetLeagueStatsInput,
-  ): Promise<Result<void, ApplicationErrorCode<GetLeagueStatsErrorCode, { message: string }>>> {
+  ): Promise<Result<GetLeagueStatsResult, ApplicationErrorCode<GetLeagueStatsErrorCode, { message: string }>>> {
     try {
       const memberships = await this.leagueMembershipRepository.getLeagueMembers(input.leagueId);
 
@@ -62,9 +60,7 @@ export class GetLeagueStatsUseCase {
         averageRating,
       };
 
-      this.output.present(result);
-
-      return Result.ok(undefined);
+      return Result.ok(result);
     } catch (error) {
       const message =
         error instanceof Error && error.message ? error.message : 'Failed to fetch league stats';
@@ -75,4 +71,4 @@ export class GetLeagueStatsUseCase {
       });
     }
   }
-}
+}