prs/prs.mobile/comal.timesheets/Data Models/SingleDataModelItem.cs

using System;
using System.Linq.Expressions;
using System.Runtime.CompilerServices;
using InABox.Core;

namespace comal.timesheets
{
    public abstract class SingleDataModelItem<TEntity> : CoreDataModelItem
        where TEntity : Entity, IRemotable, IPersistent, new()
    {

        public TEntity Entity { get; private set; }
        
        protected override void RowChanged()
        {
            base.RowChanged();
            Entity = Row.ToObject<TEntity>();
        }
        
        protected void UpdateValue<T>(Expression<Func<TEntity, T>> expression, T value, bool notify = true, [CallerMemberName] string propertyName = "" )
        {
            Row.Set(expression, value);
            CoreUtils.SetPropertyValue(
                Entity,
                CoreUtils.GetFullPropertyName(expression, "."),
                value
            );
            if (notify)
                DoPropertyChanged(propertyName);
        }

        protected T GetValue<T>(Expression<Func<TEntity, T>> expression)
        {
            return Row != null
                ? Row.Get(expression, true)
                : default(T);
        }
    }
}