refactor

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

@@ -1,30 +1,23 @@
 import type { ILeagueRepository } from '../../domain/repositories/ILeagueRepository';
 import type { ILeagueMembershipRepository } from '../../domain/repositories/ILeagueMembershipRepository';
-import type {
-  IAllLeaguesWithCapacityPresenter,
-  AllLeaguesWithCapacityResultDTO,
-  AllLeaguesWithCapacityViewModel,
-} from '../presenters/IAllLeaguesWithCapacityPresenter';
-import type { UseCase } from '@core/shared/application/UseCase';
+import type { AllLeaguesWithCapacityResultDTO } from '../presenters/IAllLeaguesWithCapacityPresenter';
+import type { AsyncUseCase } from '@core/shared/application';
+import { Result } from '@core/shared/result/Result';
+import { RacingDomainValidationError } from '../../domain/errors/RacingDomainError';
 
 /**
  * Use Case for retrieving all leagues with capacity information.
- * Orchestrates domain logic and delegates presentation to the presenter.
+ * Orchestrates domain logic and returns result.
  */
 export class GetAllLeaguesWithCapacityUseCase
-  implements UseCase<void, AllLeaguesWithCapacityResultDTO, AllLeaguesWithCapacityViewModel, IAllLeaguesWithCapacityPresenter>
+  implements AsyncUseCase<void, Result<AllLeaguesWithCapacityResultDTO, RacingDomainValidationError>>
 {
   constructor(
     private readonly leagueRepository: ILeagueRepository,
     private readonly leagueMembershipRepository: ILeagueMembershipRepository,
   ) {}
 
-  async execute(
-    _input: void,
-    presenter: IAllLeaguesWithCapacityPresenter,
-  ): Promise<void> {
-    presenter.reset();
-
+  async execute(): Promise<Result<AllLeaguesWithCapacityResultDTO, RacingDomainValidationError>> {
     const leagues = await this.leagueRepository.findAll();
 
     const memberCounts = new Map<string, number>();
@@ -49,6 +42,6 @@ export class GetAllLeaguesWithCapacityUseCase
       memberCounts,
     };
 
-    presenter.present(dto);
+    return Result.ok(dto);
   }
 }