public IEnumerable <ModelValidationResult> Validate(ModelMetadata metadata, IValidationContext validationContext, object container)
{
if (metadata.Model == null)
{
return(Enumerable.Empty <ModelValidationResult>());
}
CustomizeValidatorAttribute validatorAttribute = null;
foreach (var param in validationContext.ActionContext.ActionDescriptor.GetParameters()
.Where(p => p.ParameterType == metadata.ModelType))
{
validatorAttribute = param.GetCustomAttributes <CustomizeValidatorAttribute>().FirstOrDefault();
if (validatorAttribute != null)
{
break;
}
}
if (validatorAttribute == null)
{
validatorAttribute = new CustomizeValidatorAttribute();
}
var selector = validatorAttribute.ToValidatorSelector();
var interceptor = validatorAttribute.GetInterceptor();
var context = new ValidationContext(metadata.Model, new PropertyChain(), selector);
if (interceptor != null)
{
// Allow the user to provide a customized context
// However, if they return null then just use the original context.
context = interceptor.BeforeWebApiValidation(validationContext.ActionContext, metadata, context) ?? context;
}
var result = validator.Validate(context);
if (interceptor != null)
{
// allow the user to provice a custom collection of failures, which could be empty.
// However, if they return null then use the original collection of failures.
result = interceptor.AfterWebApiValidation(validationContext.ActionContext, metadata, context, result) ?? result;
}
return(!result.IsValid
? ConvertValidationResultToModelValidationResults(result)
: Enumerable.Empty <ModelValidationResult>());
}
public IEnumerable<ModelValidationResult> Validate(ModelMetadata metadata, IValidationContext validationContext, object container)
{
if (metadata.Model == null) return Enumerable.Empty<ModelValidationResult>();
CustomizeValidatorAttribute validatorAttribute = null;
foreach (var param in validationContext.ActionContext.ActionDescriptor.GetParameters()
.Where(p => p.ParameterType == metadata.ModelType)) {
validatorAttribute = param.GetCustomAttributes<CustomizeValidatorAttribute>().FirstOrDefault();
if (validatorAttribute != null) break;
}
if(validatorAttribute == null)
validatorAttribute = new CustomizeValidatorAttribute();
var selector = validatorAttribute.ToValidatorSelector();
var interceptor = validatorAttribute.GetInterceptor();
var context = new ValidationContext(metadata.Model, new PropertyChain(), selector);
if (interceptor != null)
{
// Allow the user to provide a customized context
// However, if they return null then just use the original context.
context = interceptor.BeforeWebApiValidation(validationContext.ActionContext, metadata, context) ?? context;
}
var result = validator.Validate(context);
if (interceptor != null)
{
// allow the user to provice a custom collection of failures, which could be empty.
// However, if they return null then use the original collection of failures.
result = interceptor.AfterWebApiValidation(validationContext.ActionContext, metadata, context, result) ?? result;
}
return !result.IsValid
? ConvertValidationResultToModelValidationResults(result)
: Enumerable.Empty<ModelValidationResult>();
}