private static void ValidateId(GetShoppingListQuery qry, IList <Error> errorsList)
{
if (qry.Id == null || qry.Id == Guid.Empty)
{
errorsList.Add(new Error(ShoppingListErrors.InvalidId));
}
}
public static bool Validate(this GetShoppingListQuery qry, out Error[]?errors)
{
var errorsList = new List <Error>();
ValidateId(qry, errorsList);
errors = errorsList.Count > 0 ? errorsList.ToArray() : null;
return(errorsList.Count == 0);
}