wip

packages/racing/application/use-cases/CancelRaceUseCase.ts

@@ -0,0 +1,32 @@
+import type { IRaceRepository } from '../../domain/repositories/IRaceRepository';
+
+/**
+ * Use Case: CancelRaceUseCase
+ *
+ * Encapsulates the workflow for cancelling a race:
+ * - loads the race by id
+ * - throws if the race does not exist
+ * - delegates cancellation rules to the Race domain entity
+ * - persists the updated race via the repository.
+ */
+export interface CancelRaceCommandDTO {
+  raceId: string;
+}
+
+export class CancelRaceUseCase {
+  constructor(
+    private readonly raceRepository: IRaceRepository,
+  ) {}
+
+  async execute(command: CancelRaceCommandDTO): Promise<void> {
+    const { raceId } = command;
+
+    const race = await this.raceRepository.findById(raceId);
+    if (!race) {
+      throw new Error('Race not found');
+    }
+
+    const cancelledRace = race.cancel();
+    await this.raceRepository.update(cancelledRace);
+  }
+}