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63 changes: 49 additions & 14 deletions src/common/exceptions/http-exception.filter.ts
Original file line number Diff line number Diff line change
Expand Up @@ -7,32 +7,67 @@ import {
import { Request, Response } from 'express';
import { logger } from '../logger';

@Catch(HttpException)
class ErrorResponse {
statusCode: number;
path: string;
message: string;
data?: any;

constructor({
statusCode,
path,
message,
data,
}: {
statusCode: number;
path: string;
message: string;
data?: any;
}) {
this.statusCode = statusCode;
this.path = path;
this.message = message;
this.data = data;
}
}

@Catch()
export class HttpExceptionFilter implements ExceptionFilter {
catch(exception: HttpException, host: ArgumentsHost) {
const ctx = host.switchToHttp();
const response = ctx.getResponse<Response>();
const request = ctx.getRequest<Request>();
const status = exception.getStatus();
const error = exception.getResponse() as {
error: string;
statusCode: number;
message: string | string[];
};
const { ip, method, url } = request;
logger.error(
`${method} - ${url} - ${ip.split(':').at(-1)} - ${JSON.stringify(
exception,
)}`,
);

typeof error === 'string'
? response.status(status).json({
statusCode: status,
message: error,
})
: response.status(status).json({
...error,
});
const exceptionResponse = exception.getResponse() as {
error: string;
message?: string | string[];
data?: any;
};
const exceptionMessage = (() => {
if (
exceptionResponse?.message &&
Array.isArray(exceptionResponse.message)
) {
return exceptionResponse.message.join(' ');
}

return exception.message;
})();

response.status(status).json(
new ErrorResponse({
statusCode: status,
path: request.url,
message: exceptionMessage,
data: exceptionResponse?.data,
}),
);
}
}