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feat: add ApiEnvelopePayload carrier, update TransformInterceptor to handle it

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This commit is contained in:
Sergey Krylov 2026-06-24 19:36:28 +03:00
parent 659be4636c
commit 3a89cef76c
2 changed files with 12 additions and 1 deletions
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8
apps/backend/src/common/dto/api-response.dto.ts
View File

@ -13,6 +13,14 @@ export class ApiResponseMeta {
}
}
export class ApiEnvelopePayload<T> {
constructor(
public readonly data: T,
public readonly fromCache: boolean,
public readonly cachedAt: string | null,
) {}
}
export class ApiResponse<T> {
data: T;
meta: ApiResponseMeta;

5
apps/backend/src/common/interceptors/transform.interceptor.ts
View File

@ -1,7 +1,7 @@
import { Injectable, NestInterceptor, ExecutionContext, CallHandler } from '@nestjs/common';
import { Observable } from 'rxjs';
import { map } from 'rxjs/operators';
import { ApiResponse } from '../dto/api-response.dto';
import { ApiEnvelopePayload, ApiResponse } from '../dto/api-response.dto';
@Injectable()
export class TransformInterceptor<T> implements NestInterceptor<T, ApiResponse<T>> {
@ -9,6 +9,9 @@ export class TransformInterceptor<T> implements NestInterceptor<T, ApiResponse<T
return next.handle().pipe(
map((data) => {
if (data instanceof ApiResponse) return data;
if (data instanceof ApiEnvelopePayload) {
return new ApiResponse(data.data, data.fromCache, data.cachedAt);
}
return new ApiResponse(data, false, null);
}),
);