refactor

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

@@ -1,9 +1,11 @@
+import { Result } from '@core/shared/application/Result';
+import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
 import type { IRaceRegistrationRepository } from '@core/racing/domain/repositories/IRaceRegistrationRepository';
 import type { WithdrawFromRaceCommandDTO } from '../dto/WithdrawFromRaceCommandDTO';
 
 /**
  * Mirrors legacy withdrawFromRace behavior:
- * - throws when driver is not registered
+ * - returns error when driver is not registered
  * - removes registration and cleans up empty race sets
  *
  * The repository encapsulates the in-memory or persistent details.
@@ -13,10 +15,14 @@ export class WithdrawFromRaceUseCase {
     private readonly registrationRepository: IRaceRegistrationRepository,
   ) {}
 
-  async execute(command: WithdrawFromRaceCommandDTO): Promise<void> {
+  async execute(command: WithdrawFromRaceCommandDTO): Promise<Result<void, ApplicationErrorCode<'NOT_REGISTERED'>>> {
     const { raceId, driverId } = command;
 
-    // Let repository enforce "not registered" error behavior to match legacy logic.
-    await this.registrationRepository.withdraw(raceId, driverId);
+    try {
+      await this.registrationRepository.withdraw(raceId, driverId);
+      return Result.ok(undefined);
+    } catch {
+      return Result.err({ code: 'NOT_REGISTERED' });
+    }
   }
 }