private object GetPredicateValue(TodoQueryPredicate predicate)
{
if (predicate.Operand == QueryOperand.Important)
{
return(predicate.BoolValue ?? false);
}
else if (predicate.Operand == QueryOperand.DueDate)
{
return(ResolveTargetDate(predicate));
}
else if (predicate.Operand == QueryOperand.Done)
{
return(predicate.BoolValue ?? false);
}
else
{
throw new InvalidOperationException("Invalid operand.");
}
}
private DateTime?ResolveTargetDate(TodoQueryPredicate predicate)
{
if (!predicate.RelativeDateValue.HasValue)
{
if (!predicate.AbsoluteDateValue.HasValue)
{
return(null);
}
else
{
return(predicate.AbsoluteDateValue.Value.Date);
}
}
else
{
DateTime date = DateTime.UtcNow;
date = new DateTime(date.Year, date.Month, date.Day + predicate.RelativeDateValue.Value);
DateTime.SpecifyKind(date, DateTimeKind.Utc);
return(date.Date);
}
}
