private static void ValidateSaveable <T>(
Rule rule, T current, OperationType op, object context, ICollection <RuleResult> results)
where T : ISaveable
{
var saveContext = (ZzaSaveContext)context;
var dataProvider = saveContext.DataProvider;
ICollection <string> emsg = new List <string>();
if (op.IsAdded())
{
current.StoreId = saveContext.UserStoreId;
emsg = current.CanAdd(emsg);
results.AddErrors(current, rule, emsg);
}
else
{
emsg = (op.IsUpdated()) ? current.CanUpdate(emsg) : current.CanDelete(emsg);
var existing = (ISaveable)dataProvider.GetExisting(current);
emsg = ExistingEntityGuard(current, existing, saveContext.UserStoreId, emsg);
results.AddErrors(current, rule, emsg);
}
}