website refactor

core/notifications/application/use-cases/GetAllNotificationsUseCase.ts

@@ -0,0 +1,63 @@
+/**
+ * Application Use Case: GetAllNotificationsUseCase
+ *
+ * Retrieves all notifications for a recipient.
+ */
+
+import type { Logger } from '@core/shared/application';
+import { Result } from '@core/shared/application/Result';
+import type { ApplicationErrorCode } from '@core/shared/errors/ApplicationErrorCode';
+import type { Notification } from '../../domain/entities/Notification';
+import type { INotificationRepository } from '../../domain/repositories/INotificationRepository';
+
+export type GetAllNotificationsInput = {
+  recipientId: string;
+};
+
+export interface GetAllNotificationsResult {
+  notifications: Notification[];
+  totalCount: number;
+}
+
+export type GetAllNotificationsErrorCode = 'REPOSITORY_ERROR';
+
+export class GetAllNotificationsUseCase {
+  constructor(
+    private readonly notificationRepository: INotificationRepository,
+    private readonly logger: Logger,
+  ) {}
+
+  async execute(
+    input: GetAllNotificationsInput,
+  ): Promise<Result<GetAllNotificationsResult, ApplicationErrorCode<GetAllNotificationsErrorCode, { message: string }>>> {
+    const { recipientId } = input;
+    this.logger.debug(
+      `Attempting to retrieve all notifications for recipient ID: ${recipientId}`,
+    );
+
+    try {
+      const notifications = await this.notificationRepository.findByRecipientId(
+        recipientId,
+      );
+      this.logger.info(
+        `Successfully retrieved ${notifications.length} notifications for recipient ID: ${recipientId}`,
+      );
+
+      return Result.ok<GetAllNotificationsResult, ApplicationErrorCode<GetAllNotificationsErrorCode, { message: string }>>({
+        notifications,
+        totalCount: notifications.length,
+      });
+    } catch (error) {
+      const err = error instanceof Error ? error : new Error(String(error));
+      this.logger.error(
+        `Failed to retrieve notifications for recipient ID: ${recipientId}`,
+        err,
+      );
+
+      return Result.err<GetAllNotificationsResult, ApplicationErrorCode<GetAllNotificationsErrorCode, { message: string }>>({
+        code: 'REPOSITORY_ERROR',
+        details: { message: err.message },
+      });
+    }
+  }
+}