public IEnumerable <ICoconaParameterValidator> CreateValidators(ICommandParameterDescriptor parameter)
{
return(parameter
.ParameterAttributes
.OfType <ValidationAttribute>()
.Select(x => new DataAnnotationsParameterValidator(x)));
}
public IEnumerable <ICoconaParameterValidator> CreateValidators(ICommandParameterDescriptor parameter)
{
foreach (var attr in parameter.ParameterAttributes)
{
if (attr is ValidationAttribute validationAttr)
{
yield return(new DataAnnotationsParameterValidator(validationAttr));
}
}
}
private object?Validate(ICommandParameterDescriptor commandParameter, object?value)
{
var ctx = new CoconaParameterValidationContext(commandParameter, value);
foreach (var validator in _validatorProvider.CreateValidators(commandParameter))
{
var validationFailed = validator.Validate(ctx).FirstOrDefault();
if (validationFailed != null)
{
throw new ParameterBinderException(ParameterBinderResult.ValidationFailed, validationFailed.Message);
}
}
return(value);
}
public CoconaParameterValidationContext(ICommandParameterDescriptor parameter, object?value)
{
Parameter = parameter ?? throw new ArgumentNullException(nameof(parameter));
Value = value;
}
