refactor use cases

core/media/application/use-cases/DeleteMediaUseCase.ts

@@ -6,71 +6,73 @@
 
 import type { IMediaRepository } from '../../domain/repositories/IMediaRepository';
 import type { MediaStoragePort } from '../ports/MediaStoragePort';
-import type { Logger } from '@core/shared/application';
-import type { IDeleteMediaPresenter } from '../presenters/IDeleteMediaPresenter';
+import type { Logger, UseCaseOutputPort } from '@core/shared/application';
+import { Result } from '@core/shared/application/Result';
+import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
 
 export interface DeleteMediaInput {
   mediaId: string;
 }
 
 export interface DeleteMediaResult {
-  success: boolean;
-  errorMessage?: string;
+  mediaId: string;
+  deleted: boolean;
 }
 
-export interface IDeleteMediaPresenter {
-  present(result: DeleteMediaResult): void;
-}
+export type DeleteMediaErrorCode = 'MEDIA_NOT_FOUND' | 'REPOSITORY_ERROR';
+
+export type DeleteMediaApplicationError = ApplicationErrorCode<
+  DeleteMediaErrorCode,
+  { message: string }
+>;
 
 export class DeleteMediaUseCase {
   constructor(
     private readonly mediaRepo: IMediaRepository,
     private readonly mediaStorage: MediaStoragePort,
+    private readonly output: UseCaseOutputPort<DeleteMediaResult>,
     private readonly logger: Logger,
   ) {}
 
-  async execute(
-    input: DeleteMediaInput,
-    presenter: IDeleteMediaPresenter,
-  ): Promise<void> {
-    try {
-      this.logger.info('[DeleteMediaUseCase] Deleting media', {
-        mediaId: input.mediaId,
-      });
+  async execute(input: DeleteMediaInput): Promise<Result<void, DeleteMediaApplicationError>> {
+    this.logger.info('[DeleteMediaUseCase] Deleting media', {
+      mediaId: input.mediaId,
+    });
 
+    try {
       const media = await this.mediaRepo.findById(input.mediaId);
 
       if (!media) {
-        presenter.present({
-          success: false,
-          errorMessage: 'Media not found',
+        return Result.err({
+          code: 'MEDIA_NOT_FOUND',
+          details: { message: 'Media not found' },
         });
-        return;
       }
 
-      // Delete from storage
       await this.mediaStorage.deleteMedia(media.url.value);
-
-      // Delete from repository
       await this.mediaRepo.delete(input.mediaId);
 
-      presenter.present({
-        success: true,
+      this.output.present({
+        mediaId: input.mediaId,
+        deleted: true,
       });
 
       this.logger.info('[DeleteMediaUseCase] Media deleted successfully', {
         mediaId: input.mediaId,
       });
 
+      return Result.ok(undefined);
     } catch (error) {
+      const err = error instanceof Error ? error : new Error(String(error));
+
       this.logger.error('[DeleteMediaUseCase] Error deleting media', {
-        error: error instanceof Error ? error.message : 'Unknown error',
+        error: err.message,
         mediaId: input.mediaId,
       });
 
-      presenter.present({
-        success: false,
-        errorMessage: 'Internal error occurred while deleting media',
+      return Result.err({
+        code: 'REPOSITORY_ERROR',
+        details: { message: err.message ?? 'Unexpected repository error' },
       });
     }
   }