refactor

core/analytics/application/use-cases/GetDashboardDataUseCase.ts

@@ -1,4 +1,6 @@
-import type { Logger } from '@core/shared/application';
+import type { Logger, UseCaseOutputPort, UseCase } from '@core/shared/application';
+import { Result } from '@core/shared/application/Result';
+import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
 
 export interface GetDashboardDataInput {}
 
@@ -9,12 +11,14 @@ export interface GetDashboardDataOutput {
   totalLeagues: number;
 }
 
-export class GetDashboardDataUseCase {
+export type GetDashboardDataErrorCode = 'REPOSITORY_ERROR';
+
+export class GetDashboardDataUseCase implements UseCase<GetDashboardDataInput, GetDashboardDataOutput, GetDashboardDataErrorCode> {
   constructor(
     private readonly logger: Logger,
   ) {}
 
-  async execute(): Promise<GetDashboardDataOutput> {
+  async execute(input: GetDashboardDataInput = {}): Promise<Result<GetDashboardDataOutput, ApplicationErrorCode<GetDashboardDataErrorCode, { message: string }>>> {
     try {
       // Placeholder implementation - would need repositories from identity and racing domains
       const totalUsers = 0;
@@ -29,15 +33,21 @@ export class GetDashboardDataUseCase {
         totalLeagues,
       });
 
-      return {
+      const result = Result.ok<GetDashboardDataOutput, ApplicationErrorCode<GetDashboardDataErrorCode, { message: string }>>({
         totalUsers,
         activeUsers,
         totalRaces,
         totalLeagues,
-      };
+      });
+      return result;
     } catch (error) {
-      this.logger.error('Failed to get dashboard data', { error });
-      throw error;
+      const err = error as Error;
+      this.logger.error('Failed to get dashboard data', err);
+      const result = Result.err<GetDashboardDataOutput, ApplicationErrorCode<GetDashboardDataErrorCode, { message: string }>>({
+        code: 'REPOSITORY_ERROR',
+        details: { message: err.message ?? 'Failed to get dashboard data' },
+      });
+      return result;
     }
   }
 }