refactor

core/payments/application/use-cases/DeletePrizeUseCase.ts

@@ -0,0 +1,49 @@
+/**
+ * Application Use Case: DeletePrizeUseCase
+ *
+ * Deletes a prize.
+ */
+
+import type { IPrizeRepository } from '../../domain/repositories/IPrizeRepository';
+import type {
+  IDeletePrizePresenter,
+  DeletePrizeResultDTO,
+  DeletePrizeViewModel,
+} from '../presenters/IDeletePrizePresenter';
+import type { UseCase } from '@gridpilot/shared/application/UseCase';
+
+export interface DeletePrizeInput {
+  prizeId: string;
+}
+
+export class DeletePrizeUseCase
+  implements UseCase<DeletePrizeInput, DeletePrizeResultDTO, DeletePrizeViewModel, IDeletePrizePresenter>
+{
+  constructor(private readonly prizeRepository: IPrizeRepository) {}
+
+  async execute(
+    input: DeletePrizeInput,
+    presenter: IDeletePrizePresenter,
+  ): Promise<void> {
+    presenter.reset();
+
+    const { prizeId } = input;
+
+    const prize = await this.prizeRepository.findById(prizeId);
+    if (!prize) {
+      throw new Error('Prize not found');
+    }
+
+    if (prize.awarded) {
+      throw new Error('Cannot delete an awarded prize');
+    }
+
+    await this.prizeRepository.delete(prizeId);
+
+    const dto: DeletePrizeResultDTO = {
+      success: true,
+    };
+
+    presenter.present(dto);
+  }
+}