Local.cs

using System.Threading.Tasks;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Exceptions;
using Waher.Script.Model;
using Waher.Script.Objects;
 
namespace Waher.Script.Functions.DateAndTime
{
    public class Local : FunctionOneScalarVariable
    {
        public Local(ScriptNode Argument, int Start, int Local, Expression Expression)
            : base(Argument, Start, Local, Expression)
        {
        }
 
        public override string FunctionName => nameof(Local);
 
        public override IElement EvaluateScalar(IElement Argument, Variables Variables)
        {
            object Obj = Argument.AssociatedObjectValue;
 
            if (Obj is System.DateTime TP)
                return new DateTimeValue(TP.ToLocalTime());
            else if (Obj is System.DateTimeOffset TPO)
                return new ObjectValue(TPO.ToLocalTime());
            else
                throw new ScriptRuntimeException("Unable to convert to local date and time.", this);
        }
 
        public override Task<IElement> EvaluateScalarAsync(IElement Argument, Variables Variables)
        {
            return Task.FromResult(this.EvaluateScalar(Argument, Variables));
        }
    }
}