/// <summary>
/// Pipeline handler. Perform any additional behavior and await the <paramref name="next" /> delegate as necessary
/// </summary>
/// <param name="request">Incoming request</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <param name="next">Awaitable delegate for the next action in the pipeline. Eventually this delegate represents the handler.</param>
/// <returns>Awaitable task returning the <typeparamref name="TResponse" /></returns>
public Task <TResponse> Handle(TRequest request, CancellationToken cancellationToken, RequestHandlerDelegate <TResponse> next)
{
var failures = _validators
.Select(x => x.Validate(new ValidationContext <TRequest>(request)))
.SelectMany(x => x.Errors)
.Where(x => x != null)
.ToList();
if (!failures.Any())
{
return(next());
}
var type = typeof(TResponse);
if (!type.IsSubclassOf(typeof(OperationResult)))
{
var exception = new FluentValidation.ValidationException(failures);
throw exception;
}
var result = Activator.CreateInstance(type);
(result as OperationResult).AddError(new MicroserviceEntityValidationException());
foreach (var failure in failures)
{
(result as OperationResult)?.AppendLog($"{failure.PropertyName}: {failure.ErrorMessage}");
}
return(Task.FromResult((TResponse)result));
}
public static void Update(this ModelStateDictionary modelStateDictionary, ValidationException fluentException)
{
foreach (var validationFailure in fluentException.Errors)
{
modelStateDictionary[validationFailure.PropertyName].Errors.Add(validationFailure.ErrorMessage);
}
}
private void AddExceptionToModelErrors(ActionExecutedContext filterContext, Exception exception)
{
var validationFailure = new ValidationFailure("", exception.Message);
var validationException = new ValidationException(new[] { validationFailure });
new Validation.ValidationExceptionHandler()
.AddToModel(filterContext, validationException);
}
public static void AddValidationErrors(this ModelStateDictionary modelStateDictionary, ValidationException validationException )
{
var errorColumns = validationException.Errors.Select(error => new ErrorColumn(error.PropertyName, error.ErrorMessage));
foreach (var errorColumn in errorColumns)
{
modelStateDictionary.AddModelError(errorColumn.Name, errorColumn.Message);
}
}
public static void AddValidationErrors(this ModelStateDictionary modelstate, ValidationException validationException)
{
var validationIssues = validationException.Errors;
foreach (var validationIssue in validationIssues)
{
modelstate.AddModelError(validationIssue.PropertyName, validationIssue.ErrorMessage);
}
}
private static AjaxError CreateFromValidationException(ValidationException exception, bool includeStackTrace)
{
var details = includeStackTrace ? exception.ToString() : null;
var errors = exception
.Errors
.GroupBy(failure => failure.PropertyName)
.ToDictionary(failures => failures.Key, failures => failures.Select(failure => failure.ErrorMessage));
return new AjaxError(HttpStatusCode.BadRequest, details, Logging.DontLog, errors);
}
protected override void BecauseOf()
{
try
{
//CustomerCreator.UpdateCustomer(Username, _updateCustomerRequest);
}
catch (ValidationException exception)
{
_exception = exception;
}
}
protected virtual void ThrowHttpResponseException(ValidationException ex)
{
var errors = new StringBuilder();
foreach (var error in ex.Errors) errors.AppendLine(error.ErrorMessage);
var response = ControllerContext.Request.CreateErrorResponse(HttpStatusCode.InternalServerError, errors.ToString());
throw new HttpResponseException(response);
}
public void AddToModel(ModelStateDictionary modelState, ValidationException exception)
{
foreach (var error in exception.Errors)
modelState.AddModelError(error.PropertyName, error.ErrorMessage);
}
public void AddToModel(ActionExecutedContext filter, ValidationException exception)
{
AddToModel(filter.Controller.ViewData.ModelState, exception);
}
public ResponseForProcessingError(ValidationException exception)
: base((int)ErrorCodes.ErrorDuringProcessing, "Error during processing", exception.Errors)
{
}