33 lines
866 B
TypeScript
33 lines
866 B
TypeScript
import {
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Injectable,
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NestInterceptor,
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ExecutionContext,
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CallHandler,
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} from '@nestjs/common';
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import { Observable } from 'rxjs';
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import { map } from 'rxjs/operators';
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export interface Response<T> {
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statusCode: number;
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message: string;
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data: T;
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}
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@Injectable()
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export class TransformInterceptor<T>
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implements NestInterceptor<T, Response<T>>
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{
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intercept(
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context: ExecutionContext,
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next: CallHandler,
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): Observable<Response<T>> {
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return next.handle().pipe(
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map((data) => ({
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statusCode: context.switchToHttp().getResponse().statusCode,
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message: data?.message || 'Success', // ถ้า data มี message ให้ใช้ ถ้าไม่มีใช้ 'Success'
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data: data?.result || data, // รองรับกรณีส่ง object ที่มี key result มา
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})),
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);
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}
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}
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