refactor

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

@@ -0,0 +1,20 @@
+import type { IRaceRepository } from '../../domain/repositories/IRaceRepository';
+import type { IGetTotalRacesPresenter, GetTotalRacesResultDTO, GetTotalRacesViewModel } from '../presenters/IGetTotalRacesPresenter';
+import type { UseCase } from '@gridpilot/shared/application/UseCase';
+
+export interface GetTotalRacesUseCaseParams {}
+
+export interface GetTotalRacesResultDTO {
+  totalRaces: number;
+}
+
+export class GetTotalRacesUseCase implements UseCase<GetTotalRacesUseCaseParams, GetTotalRacesResultDTO, GetTotalRacesViewModel, IGetTotalRacesPresenter> {
+  constructor(private readonly raceRepository: IRaceRepository) {}
+
+  async execute(params: GetTotalRacesUseCaseParams, presenter: IGetTotalRacesPresenter): Promise<void> {
+    const races = await this.raceRepository.findAll();
+    const dto: GetTotalRacesResultDTO = { totalRaces: races.length };
+    presenter.reset();
+    presenter.present(dto);
+  }
+}