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namespace AAIntegration.SimmonsBank.API.Config;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Net;
using System.Text.Json;
using System.Threading.Tasks;
public class ErrorHandlerMiddleware
{
private readonly RequestDelegate _next;
private readonly ILogger _logger;
public ErrorHandlerMiddleware(RequestDelegate next, ILogger<ErrorHandlerMiddleware> logger)
{
_next = next;
_logger = logger;
}
public async Task Invoke(HttpContext context)
{
try
{
await _next(context);
}
catch (Exception error)
{
var response = context.Response;
response.ContentType = "application/json";
switch (error)
{
case AppException e:
// custom application error
response.StatusCode = (int)HttpStatusCode.BadRequest;
break;
case KeyNotFoundException e:
// not found error
response.StatusCode = (int)HttpStatusCode.NotFound;
break;
default:
// unhandled error
_logger.LogError(error, error.Message);
response.StatusCode = (int)HttpStatusCode.InternalServerError;
break;
}
var result = JsonSerializer.Serialize(new { message = error?.Message });
await response.WriteAsync(result);
}
}
}