presenter refactoring

apps/api/src/domain/race/presenters/RacesPageDataPresenter.ts

@@ -0,0 +1,43 @@
+import type { RacesPageOutputPort } from '@core/racing/application/ports/output/RacesPageOutputPort';
+import type { ILeagueRepository } from '@core/racing/domain/repositories/ILeagueRepository';
+import type { RacesPageDataDTO } from '../dtos/RacesPageDataDTO';
+import type { RacesPageDataRaceDTO } from '../dtos/RacesPageDataRaceDTO';
+
+export class RacesPageDataPresenter {
+  private result: RacesPageDataDTO | null = null;
+
+  constructor(private readonly leagueRepository: ILeagueRepository) {}
+
+  async present(outputPort: RacesPageOutputPort): Promise<void> {
+    const allLeagues = await this.leagueRepository.findAll();
+    const leagueMap = new Map(allLeagues.map(l => [l.id, l.name]));
+
+    const races: RacesPageDataRaceDTO[] = outputPort.races.map(race => ({
+      id: race.id,
+      track: race.track,
+      car: race.car,
+      scheduledAt: race.scheduledAt.toISOString(),
+      status: race.status,
+      leagueId: race.leagueId,
+      leagueName: leagueMap.get(race.leagueId) ?? 'Unknown League',
+      strengthOfField: race.strengthOfField,
+      isUpcoming: race.scheduledAt > new Date(),
+      isLive: race.status === 'running',
+      isPast: race.scheduledAt < new Date() && race.status === 'completed',
+    }));
+
+    this.result = { races } as RacesPageDataDTO;
+  }
+
+  getViewModel(): RacesPageDataDTO | null {
+    return this.result;
+  }
+
+  get viewModel(): RacesPageDataDTO {
+    if (!this.result) {
+      throw new Error('Presenter not presented');
+    }
+
+    return this.result;
+  }
+}