EntityAutomaticValues.cs

 using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;

namespace Sage.ES.S50.DataAccess.Models
{
    internal enum Property
    {
        GUID_ID,
        CREATED,
        MODIFIED
    }
    internal class EntityAutomaticValues
    {

        #region Members
        object _entity = null;
        #endregion

        #region Constructors
        public EntityAutomaticValues(object obj)
        {
            _entity = obj;
        }

        public void SetValue(Property property)
        {
            PropertyInfo prop = _entity.GetType().GetProperty(property.ToString());
            switch (property)
            {
                case Property.GUID_ID:

                    if (prop != null && string.IsNullOrWhiteSpace(Convert.ToString(prop.GetValue(_entity, null))))
                    {
                        prop.SetValue(_entity, Guid.NewGuid().ToString(), null);
                    }
                    break;
                case Property.MODIFIED:
                case Property.CREATED:
                    if (prop != null)
                    {
                        prop.SetValue(_entity, DateTime.Now, null);
                    }
                    break;
                default:
                    break;
            }
        }
        public object GetValue(Property property)
        {
            object value = null;
            PropertyInfo prop = _entity.GetType().GetProperty(property.ToString());
            if (prop != null)
            {
                value = prop.GetValue(_entity, null);
            }
            return value;
        }
        #endregion
    }
}