private static Task HandleValidationExceptionAsync(HttpContext context, ValidationApiException exception)
{
var result = JsonConvert.SerializeObject(exception.Errors);
context.Response.ContentType = "application/json";
context.Response.StatusCode = (int)HttpStatusCode.UnprocessableEntity;
return(context.Response.WriteAsync(result));
}
public async Task ErrorHandlingMiddleware_ReturnsError400_WithValidationApiException()
{
var apiErrorCode = _faker.PickRandom <ApiErrorCode>();
var expectedErrorMessage = _faker.Lorem.Sentence();
var exception = new ValidationApiException(apiErrorCode, expectedErrorMessage);
await VerifyErrorHandling(exception, expectedErrorMessage, HttpStatusCode.BadRequest, apiErrorCode);
}
private static Task HandleExceptionAsync(HttpContext context, Exception exception)
{
context.Response.ContentType = "application/json";
if (context.Request.Headers.ContainsKey("x-requester") && context.Request.Headers["x-requester"].ToString().Equals("Datatable"))
{
context.Response.StatusCode = StatusCodes.Status200OK;
ApiException ex = exception as ApiException;
var error = JsonConvert.SerializeObject(new GridDataViewModel <object>
{
draw = 1,
data = null,
recordsFiltered = 0,
recordsTotal = 0,
error = new ErrorViewModel()
{
ResponseText = ex.Content,
StatusCode = StatusCodes.Status500InternalServerError,
Message = exception.Message
}
});
return(context.Response.WriteAsync(error));
}
else
{
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
ValidationApiException ex = exception as ValidationApiException;
return(context.Response.WriteAsync(new ErrorViewModel()
{
ResponseText = ex != null ? JsonConvert.SerializeObject(ex.Content) : exception.Message,
StatusCode = context.Response.StatusCode,
Message = exception.Message
}.ToString()));
}
}
/// <summary>
/// Get exception description including all the details about request and error, as text
/// </summary>
/// <param name="exception"></param>
/// <returns></returns>
public static string GetDescription(this ValidationApiException exception)
{
return($"Couldn't execute http request. {exception.GetProblemDetailsPhrase()} {exception.GetRequestPhrase()}");
}
/// <summary>
/// Get http request caused the exception problem details as text
/// </summary>
/// <param name="exception"></param>
/// <returns></returns>
public static string GetProblemDetailsPhrase(this ValidationApiException exception)
{
return(exception.Content != null ? $"Problem details: {exception.Content.ToJson()}." : string.Empty);
}