Add status to the response using NestJS - nestjs

Question

I am using NestJS and wondering how would you add a status to the response object. Say I have this controller method:
#Get()
ping(): string {
return this.appService.ping();
}
That return a string like '24 March 2020 16:56:07'. What I want is to add the status code to the response so my response and error message so the response would looks looks like this:
{
result: "24 March 2020 16:56:07"
status: "OK"
errorMessage: ""
}
Is there anyway to achieve that using some nestjs built in features?
UPDATE:
The solution proposed by #Hitech-Hitesh it is not something I am looking for, I want to buildup the response object automatically so I do just return result from the controller method return this.appService.ping(); and then something else taking place and builds up the response object.

Answer 1

You can do in your service file like this >
getData(): Message {
// return { message: 'Welcome to api!' };
return { message: '' };
}
ping() {
if (this.getData().message !== '') {
return { status: 'OK', errorMessage: '', result: this.getData().message };
}
else {
return { status: 'FAIL', errorMessage: 'Not able to fetch the result. Please try again later', result: '' };
}
}
when the ping file is called from the controller it will directly give the result
#Get()
ping(): any {
return this.appService.ping();
}
You can do this directly in your controller also but checking the service response.
#Get()
ping(): any {
const pingServiceResponse = this.appService.ping();
if (pingServiceResponse !== '')
return { status: 'OK', errorMessage: '', result: pingServiceResponse };
else
return { status: 'FAIL', errorMessage: 'Not able to fetch the result. Please try again later', result: pingServiceResponse };
// return this.appService.ping();
}