refactor

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

@@ -1,22 +1,33 @@
 import type { ISeasonRepository } from '../../domain/repositories/ISeasonRepository';
-import type { IGetLeagueSeasonsPresenter, GetLeagueSeasonsResultDTO, GetLeagueSeasonsViewModel } from '../presenters/IGetLeagueSeasonsPresenter';
-import type { UseCase } from '@core/shared/application/UseCase';
+import type { GetLeagueSeasonsViewModel } from '../presenters/IGetLeagueSeasonsPresenter';
+import { Result } from '@core/shared/application/Result';
+import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
 
 export interface GetLeagueSeasonsUseCaseParams {
   leagueId: string;
 }
 
-export interface GetLeagueSeasonsResultDTO {
-  seasons: unknown[];
-}
-
-export class GetLeagueSeasonsUseCase implements UseCase<GetLeagueSeasonsUseCaseParams, GetLeagueSeasonsResultDTO, GetLeagueSeasonsViewModel, IGetLeagueSeasonsPresenter> {
+export class GetLeagueSeasonsUseCase {
   constructor(private readonly seasonRepository: ISeasonRepository) {}
 
-  async execute(params: GetLeagueSeasonsUseCaseParams, presenter: IGetLeagueSeasonsPresenter): Promise<void> {
-    const seasons = await this.seasonRepository.findByLeagueId(params.leagueId);
-    const dto: GetLeagueSeasonsResultDTO = { seasons };
-    presenter.reset();
-    presenter.present(dto);
+  async execute(params: GetLeagueSeasonsUseCaseParams): Promise<Result<GetLeagueSeasonsViewModel, ApplicationErrorCode<'REPOSITORY_ERROR'>>> {
+    try {
+      const seasons = await this.seasonRepository.findByLeagueId(params.leagueId);
+      const activeCount = seasons.filter(s => s.status === 'active').length;
+      const viewModel: GetLeagueSeasonsViewModel = {
+        seasons: seasons.map(s => ({
+          seasonId: s.id,
+          name: s.name,
+          status: s.status,
+          startDate: s.startDate,
+          endDate: s.endDate,
+          isPrimary: false,
+          isParallelActive: s.status === 'active' && activeCount > 1
+        }))
+      };
+      return Result.ok(viewModel);
+    } catch {
+      return Result.err({ code: 'REPOSITORY_ERROR', message: 'Failed to fetch seasons' });
+    }
   }
 }