presenter refactoring

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

@@ -0,0 +1,107 @@
+import type { RaceDetailOutputPort } from '@core/racing/application/ports/output/RaceDetailOutputPort';
+import type { DriverRatingProvider } from '@core/racing/application/ports/DriverRatingProvider';
+import type { IImageServicePort } from '@core/racing/application/ports/IImageServicePort';
+import type { GetRaceDetailParamsDTO } from '../dtos/GetRaceDetailParamsDTO';
+import type { RaceDetailDTO } from '../dtos/RaceDetailDTO';
+import type { RaceDetailRaceDTO } from '../dtos/RaceDetailRaceDTO';
+import type { RaceDetailLeagueDTO } from '../dtos/RaceDetailLeagueDTO';
+import type { RaceDetailEntryDTO } from '../dtos/RaceDetailEntryDTO';
+import type { RaceDetailRegistrationDTO } from '../dtos/RaceDetailRegistrationDTO';
+import type { RaceDetailUserResultDTO } from '../dtos/RaceDetailUserResultDTO';
+
+export class RaceDetailPresenter {
+  private result: RaceDetailDTO | null = null;
+
+  constructor(
+    private readonly driverRatingProvider: DriverRatingProvider,
+    private readonly imageService: IImageServicePort,
+  ) {}
+
+  async present(outputPort: RaceDetailOutputPort, params: GetRaceDetailParamsDTO): Promise<void> {
+    const raceDTO: RaceDetailRaceDTO | null = outputPort.race
+      ? {
+          id: outputPort.race.id,
+          leagueId: outputPort.race.leagueId,
+          track: outputPort.race.track,
+          car: outputPort.race.car,
+          scheduledAt: outputPort.race.scheduledAt.toISOString(),
+          sessionType: outputPort.race.sessionType,
+          status: outputPort.race.status,
+          strengthOfField: outputPort.race.strengthOfField ?? null,
+          registeredCount: outputPort.race.registeredCount ?? undefined,
+          maxParticipants: outputPort.race.maxParticipants ?? undefined,
+        }
+      : null;
+
+    const leagueDTO: RaceDetailLeagueDTO | null = outputPort.league
+      ? {
+          id: outputPort.league.id.toString(),
+          name: outputPort.league.name.toString(),
+          description: outputPort.league.description.toString(),
+          settings: {
+            maxDrivers: outputPort.league.settings.maxDrivers ?? undefined,
+            qualifyingFormat: outputPort.league.settings.qualifyingFormat ?? undefined,
+          },
+        }
+      : null;
+
+    const entryListDTO: RaceDetailEntryDTO[] = await Promise.all(
+      outputPort.drivers.map(async driver => {
+        const ratingResult = await this.driverRatingProvider.getDriverRating({ driverId: driver.id });
+        const avatarResult = await this.imageService.getDriverAvatar({ driverId: driver.id });
+        return {
+          id: driver.id,
+          name: driver.name.toString(),
+          country: driver.country.toString(),
+          avatarUrl: avatarResult.avatarUrl,
+          rating: ratingResult.rating,
+          isCurrentUser: driver.id === params.driverId,
+        };
+      }),
+    );
+
+    const registrationDTO: RaceDetailRegistrationDTO = {
+      isUserRegistered: outputPort.isUserRegistered,
+      canRegister: outputPort.canRegister,
+    };
+
+    const userResultDTO: RaceDetailUserResultDTO | null = outputPort.userResult
+      ? {
+          position: outputPort.userResult.position.toNumber(),
+          startPosition: outputPort.userResult.startPosition.toNumber(),
+          incidents: outputPort.userResult.incidents.toNumber(),
+          fastestLap: outputPort.userResult.fastestLap.toNumber(),
+          positionChange: outputPort.userResult.getPositionChange(),
+          isPodium: outputPort.userResult.isPodium(),
+          isClean: outputPort.userResult.isClean(),
+          ratingChange: this.calculateRatingChange(outputPort.userResult.position.toNumber()),
+        }
+      : null;
+
+    this.result = {
+      race: raceDTO,
+      league: leagueDTO,
+      entryList: entryListDTO,
+      registration: registrationDTO,
+      userResult: userResultDTO,
+    } as RaceDetailDTO;
+  }
+
+  getViewModel(): RaceDetailDTO | null {
+    return this.result;
+  }
+
+  get viewModel(): RaceDetailDTO {
+    if (!this.result) {
+      throw new Error('Presenter not presented');
+    }
+
+    return this.result;
+  }
+
+  private calculateRatingChange(position: number): number {
+    const baseChange = position <= 3 ? 25 : position <= 10 ? 10 : -5;
+    const positionBonus = Math.max(0, (20 - position) * 2);
+    return baseChange + positionBonus;
+  }
+}