public static bool CheckSagePayProtocolVersion(Type type, string propertyName, ProtocolVersion protocolVersion)
{
var interfaces = type.GetInterfaces();
foreach (var @interface in interfaces)
{
foreach (var interfaceProperty in @interface.GetProperties())
{
if (interfaceProperty.Name != propertyName) continue;
if (!interfaceProperty.GetCustomAttributes(typeof(SagePayProtocolVersion), true).Any())
continue;
var sagepayProtocolVersion = (SagePayProtocolVersion)interfaceProperty.GetCustomAttributes(typeof(SagePayProtocolVersion), true).FirstOrDefault();
return sagepayProtocolVersion != null && (protocolVersion.VersionInt() >= sagepayProtocolVersion.Min.VersionInt());
}
return CheckSagePayProtocolVersion(@interface, propertyName, protocolVersion);
}
return true;
}