rename to core

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

@@ -0,0 +1,52 @@
+import type { IDriverRepository } from '../../domain/repositories/IDriverRepository';
+import type { IRankingService } from '../../domain/services/IRankingService';
+import type { IDriverStatsService } from '../../domain/services/IDriverStatsService';
+import type { IImageServicePort } from '../ports/IImageServicePort';
+import type {
+  IDriversLeaderboardPresenter,
+  DriversLeaderboardResultDTO,
+  DriversLeaderboardViewModel,
+} from '../presenters/IDriversLeaderboardPresenter';
+import type { UseCase } from '@gridpilot/shared/application/UseCase';
+
+/**
+ * Use Case for retrieving driver leaderboard data.
+ * Orchestrates domain logic and delegates presentation to the presenter.
+ */
+export class GetDriversLeaderboardUseCase
+  implements UseCase<void, DriversLeaderboardResultDTO, DriversLeaderboardViewModel, IDriversLeaderboardPresenter>
+{
+  constructor(
+    private readonly driverRepository: IDriverRepository,
+    private readonly rankingService: IRankingService,
+    private readonly driverStatsService: IDriverStatsService,
+    private readonly imageService: IImageServicePort,
+  ) {}
+
+  async execute(_input: void, presenter: IDriversLeaderboardPresenter): Promise<void> {
+    presenter.reset();
+
+    const drivers = await this.driverRepository.findAll();
+    const rankings = this.rankingService.getAllDriverRankings();
+
+    const stats: DriversLeaderboardResultDTO['stats'] = {};
+    const avatarUrls: DriversLeaderboardResultDTO['avatarUrls'] = {};
+
+    for (const driver of drivers) {
+      const driverStats = this.driverStatsService.getDriverStats(driver.id);
+      if (driverStats) {
+        stats[driver.id] = driverStats;
+      }
+      avatarUrls[driver.id] = this.imageService.getDriverAvatar(driver.id);
+    }
+
+    const dto: DriversLeaderboardResultDTO = {
+      drivers,
+      rankings,
+      stats,
+      avatarUrls,
+    };
+
+    presenter.present(dto);
+  }
+}