public ValidationResult Validate(IValidationContext context)
{
var validationResults = validatorProvider
.GetValidators <T>()
.Select(validator => validator.Validate(context));
return(validationResults.Merge());
}
protected virtual void AddInstanceInternal(object instanceToValidate)
{
if (_instanceToValidators.ContainsKey(instanceToValidate))
{
RemoveInstanceInternal(instanceToValidate);
}
IValidatorContext context = CreateContext(instanceToValidate);
IList <IValidator> validators = ValidatorProvider.GetValidators(context);
for (int index = 0; index < validators.Count; index++)
{
AddValidatorInternal(validators[index]);
}
}
public async Task InvokeAsync(IMiddlewareContext context)
{
var arguments = context.Field.Arguments;
var validationResults = new List <ValidationResult>();
foreach (var argument in arguments)
{
if (argument == null ||
!_options.ShouldValidate(context, argument))
{
continue;
}
var resolvedValidators = _validatorProvider.GetValidators(context, argument);
try
{
var value = context.ArgumentValue <object>(argument.Name);
foreach (var resolvedValidator in resolvedValidators)
{
var validationContext = new ValidationContext <object>(value);
var validationResult = await resolvedValidator.Validator.ValidateAsync(validationContext, context.RequestAborted);
if (validationResult != null)
{
validationResults.Add(validationResult);
_validationResultHandler.Handle(context, validationResult);
}
}
}
finally
{
foreach (var resolvedValidator in resolvedValidators)
{
resolvedValidator.Scope?.Dispose();
}
}
}
var invalidValidationResults = validationResults.Where(r => !r.IsValid);
if (invalidValidationResults.Any())
{
OnInvalid(context, invalidValidationResults);
}
await _next(context);
}
public static async Task <ValidationResult> ValidateAsync(this IValidatable validatable, IValidatorProvider validatorFactory, bool throwOnNoValidatorFound = false, bool throwOnValidationError = false)
{
if (validatable is null)
{
throw new ArgumentNullException(nameof(validatable));
}
if (validatorFactory is null)
{
throw new ArgumentNullException(nameof(validatorFactory));
}
var validators = validatorFactory.GetValidators(validatable.GetType());
if (validators.Any())
{
var context = new ValidationContext <IValidatable>(validatable);
var validationTasks = validators
.Select(validator => validator.ValidateAsync(context));
var validationResults = await Task
.WhenAll(validationTasks)
.ConfigureAwait(false);
var validationResult = validationResults.Merge();
if (!validationResult.IsValid && throwOnValidationError)
{
throw validationResult.ToException();
}
return(validationResult);
}
if (throwOnNoValidatorFound)
{
throw new NotSupportedException($"Validation of type {validatable.GetType()} is not supported");
}
return(new ValidationResult());
}
internal CompositeValidatorDescriptor(IValidatorProvider validatorProvider)
{
validatorDescriptors = validatorProvider
.GetValidators <T>()
.Select(validator => validator.CreateDescriptor());
}
public async Task InvokeAsync(IMiddlewareContext context)
{
var arguments = context.Selection.Field.Arguments;
var invalidResults = new List <ArgumentValidationResult>();
foreach (var argument in arguments)
{
if (argument == null)
{
continue;
}
var resolvedValidators = _validatorProvider
.GetValidators(context, argument)
.ToArray();
if (resolvedValidators.Length > 0)
{
try
{
var value = context.ArgumentValue <object?>(argument.Name);
if (value == null)
{
continue;
}
foreach (var resolvedValidator in resolvedValidators)
{
var validationContext = new ValidationContext <object?>(value);
var validationResult = await resolvedValidator.Validator.ValidateAsync(
validationContext,
context.RequestAborted);
if (validationResult != null &&
!validationResult.IsValid)
{
invalidResults.Add(
new ArgumentValidationResult(
argument.Name,
resolvedValidator.Validator,
validationResult));
}
}
}
finally
{
foreach (var resolvedValidator in resolvedValidators)
{
resolvedValidator.Scope?.Dispose();
}
}
}
}
if (invalidResults.Any())
{
_validationErrorsHandler.Handle(context, invalidResults);
return;
}
await _next(context);
}