public void AddValidation(ClientModelValidationContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
// Use the HttpContext to inject the MemoryCache into the validator, since we can't inject it in the constructor of
// ValidationAttribute...see https://andrewlock.net/injecting-services-into-validationattributes-in-asp-net-core/
var processCache = context.ActionContext.HttpContext.RequestServices.GetService <IMemoryCache>();
var requestCache = context.ActionContext.HttpContext.RequestServices.GetService <RequestCache>();
var validator = new AssertThatValidator(context.ModelMetadata, this, processCache, requestCache);
validator.AttachValidationRules(context, DefaultErrorMessage);
}
