resolve manual DTOs

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

@@ -0,0 +1,40 @@
+/**
+ * Application Use Case: GetSponsorUseCase
+ *
+ * Retrieves a single sponsor by ID.
+ */
+
+import type { ISponsorRepository } from '../../domain/repositories/ISponsorRepository';
+import { Result } from '@core/shared/application/Result';
+import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
+
+export interface GetSponsorQueryParams {
+  sponsorId: string;
+}
+
+export class GetSponsorUseCase {
+  constructor(
+    private readonly sponsorRepository: ISponsorRepository,
+  ) {}
+
+  async execute(params: GetSponsorQueryParams): Promise<Result<{ sponsor: { id: string; name: string; logoUrl?: string; websiteUrl?: string } } | null, ApplicationErrorCode<'REPOSITORY_ERROR'>>> {
+    try {
+      const sponsor = await this.sponsorRepository.findById(params.sponsorId);
+
+      if (!sponsor) {
+        return Result.ok(null);
+      }
+
+      const sponsorData = {
+        id: sponsor.id,
+        name: sponsor.name,
+        logoUrl: sponsor.logoUrl,
+        websiteUrl: sponsor.websiteUrl,
+      };
+
+      return Result.ok({ sponsor: sponsorData });
+    } catch {
+      return Result.err({ code: 'REPOSITORY_ERROR', message: 'Failed to fetch sponsor' });
+    }
+  }
+}