معالجة الاستثناءات المخصصة على .NET API

[HttpGet]
[Route("GetWithoutExceptionHandler")]
public Task GetWithoutExceptionHandler()
{
    throw new Exception("This is a custom exception!");
}

System.Exception: This is a custom exception!
   at CustomExceptionHandleDemo.Controllers.WeatherForecastController.GetWithoutExceptionHandler()
   at lambda_method16(Closure , Object , Object[] )
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.AwaitableResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Logged|12_1(ControllerActionInvoker invoker)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeFilterPipelineAsync>g__Awaited|20_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.<Invoke>g__AwaitRequestTask|6_0(Endpoint endpoint, Task requestTask, ILogger logger)
   at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)
   at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext)
   at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider)
   at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)

namespace CustomExceptionHandleDemo.Exceptions
{
    public class CustomException : Exception
    {
        /// <summary>
        /// Constructor for <see cref="CustomException"/>
        /// </summary>
        public CustomException() { }

        /// <summary>
        /// Constructor for <see cref="CustomException"/>
        /// </summary>
        /// <param cref="string" name="message">Parameter for message</param>
        public CustomException(string message) : base(message) { }

        /// <summary>
        /// Constructor for <see cref="CustomException"/>
        /// </summary>
        /// <param cref="string" name="message">Parameter for message</param>
        /// <param cref="Exception" name="inner">Parameter for inner</param>
        public CustomException(string message, Exception inner) : base(message, inner) { }
    }
}

[HttpGet]
[Route("GetWithoutExceptionHandler")]
public Task GetWithoutExceptionHandler()
{
    throw new CustomException("This is a custom exception!");
}

CustomExceptionHandleDemo.Exceptions.CustomException: This is a custom exception!
   at CustomExceptionHandleDemo.Controllers.WeatherForecastController.GetWithoutExceptionHandler()
   at lambda_method24(Closure , Object , Object[] )
   at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.AwaitableResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Logged|12_1(ControllerActionInvoker invoker)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeFilterPipelineAsync>g__Awaited|20_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
   at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Logged|17_1(ResourceInvoker invoker)
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.<Invoke>g__AwaitRequestTask|6_0(Endpoint endpoint, Task requestTask, ILogger logger)
   at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)
   at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext)
   at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider)
   at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)

using Microsoft.AspNetCore.Mvc.Filters;
using Microsoft.AspNetCore.Mvc;
using CustomExceptionHandleDemo.Exceptions;

namespace CustomExceptionHandleDemo.ExceptionFilterAttributes
{
    public class CustomExceptionFilterAttribute : ExceptionFilterAttribute
    {
        /// <summary>
        /// OnException
        /// </summary>
        /// <param cref="ExceptionContext" name="context">Parameter for context</param>
        public override void OnException(ExceptionContext context)
        {
            if (context.Exception is CustomException)
            {
                context.HttpContext.Response.StatusCode = 500;
                context.Result = new ObjectResult(context.Exception.Message);
            }
        }
    }
}

using CustomExceptionHandleDemo.ExceptionFilterAttributes;
using CustomExceptionHandleDemo.Exceptions;
using Microsoft.AspNetCore.Mvc;

namespace CustomExceptionHandleDemo.Controllers
{
    [ApiController]
    [Route("[controller]")]
    public class WeatherForecastController : ControllerBase
    {
        public WeatherForecastController()
        {
        }

        [HttpGet]
        [Route("GetWithoutExceptionHandler")]
        public Task GetWithoutExceptionHandler()
        {
            throw new CustomException("This is a custom exception!");
        }

        [HttpGet]
        [Route("GetWithExceptionHandler")]
        [CustomExceptionFilter]
        public Task GetWithExceptionHandler()
        {
            throw new CustomException("This is a custom exception!");
        }
    }
}