http-logger.interceptor.ts

/**
 * @see https://github.com/mikemajesty/nestjs-microservice-boilerplate-api/blob/master/guides/middlewares/http-logger.interceptor.md
 */
import { CallHandler, ExecutionContext, Injectable, NestInterceptor } from '@nestjs/common'
import { Observable } from 'rxjs'

import { ILoggerAdapter } from '@/infra/logger'
import { IDGeneratorUtils } from '@/utils/id-generator'

@Injectable()
export class HttpLoggerInterceptor implements NestInterceptor {
  constructor(private readonly logger: ILoggerAdapter) {}

  intercept(executionContext: ExecutionContext, next: CallHandler): Observable<unknown> {
    const context = `${executionContext.getClass().name}/${executionContext.getHandler().name}`

    const request = executionContext.switchToHttp().getRequest()

    request['context'] = context

    if (!request.headers?.traceid) {
      request.headers.traceid = IDGeneratorUtils.uuid()
      request.id = request.headers.traceid
    }

    this.logger.setGlobalParameters({ traceid: request.id })

    return next.handle()
  }
}