MireaBackend/Endpoint/Configuration/Core/Middleware/CustomExceptionHandlerMiddleware.cs

76 lines
2.3 KiB
C#

using FluentValidation;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Logging;
using Mirea.Api.DataAccess.Application.Common.Exceptions;
using Mirea.Api.Dto.Responses;
using Mirea.Api.Endpoint.Common.Exceptions;
using System;
using System.Security;
using System.Text.Json;
using System.Threading.Tasks;
namespace Mirea.Api.Endpoint.Configuration.Core.Middleware;
public class CustomExceptionHandlerMiddleware(RequestDelegate next, ILogger<CustomExceptionHandlerMiddleware> logger)
{
public async Task InvokeAsync(HttpContext context)
{
try
{
await next(context);
}
catch (Exception exception)
{
await HandleExceptionAsync(context, exception);
}
}
private Task HandleExceptionAsync(HttpContext context, Exception exception)
{
var code = StatusCodes.Status500InternalServerError;
var result = string.Empty;
switch (exception)
{
case ValidationException validationException:
code = StatusCodes.Status400BadRequest;
result = JsonSerializer.Serialize(new ErrorResponse()
{
Error = validationException.Message,
Code = code
});
break;
case NotFoundException:
code = StatusCodes.Status404NotFound;
break;
case ControllerArgumentException:
code = StatusCodes.Status400BadRequest;
break;
case SecurityException:
code = StatusCodes.Status401Unauthorized;
break;
}
context.Response.ContentType = "application/json";
context.Response.StatusCode = code;
if (!string.IsNullOrEmpty(result))
return context.Response.WriteAsync(result);
string error;
if (code == StatusCodes.Status500InternalServerError)
{
error = "Internal Server Error";
logger.LogError(exception, "Internal server error when processing the request");
}
else
error = exception.Message;
result = JsonSerializer.Serialize(new ErrorResponse()
{
Error = error,
Code = code
});
return context.Response.WriteAsync(result);
}
}