public static T Duplicate <T>(this T origin) where T : IDataObject, new()
{
if (origin == null)
{
return(default(T));
}
var t = typeof(T);
var ridCol = FiTechBDadosExtensions.RidColumnOf[t];
var idCol = FiTechBDadosExtensions.IdColumnOf[t];
T destination = new T();
ObjectReflector.Open(origin, (objA) => {
ObjectReflector.Open(destination, (objB) => {
foreach (var field in objB)
{
if (field.Key.Name == ridCol)
{
continue;
}
if (objA.ContainsKey(field.Key.Name))
{
objB[field.Key] = objA[field.Key.Name];
}
}
});
});
return(destination);
}
public static void CopyFromAndMergeLists(this Object me, object other)
{
if (me == null)
{
throw new NullReferenceException("Figlotech CopyFrom Extension method called on a null value, this is a natural NullReferenceException");
}
if (other == null)
{
me = null;
return;
}
ObjectReflector.Open(other, (objA) => {
ObjectReflector.Open(me, (objB) => {
foreach (var field in objB)
{
if (objA.ContainsKey(field.Key.Name))
{
var valA = objA[field.Key.Name];
var valB = objB[field.Key.Name];
if (
valA.GetType().IsGenericType&& valA.GetType().Implements(typeof(List <>)) &&
valB.GetType().IsGenericType&& valB.GetType().Implements(typeof(List <>))
)
{
var addMethod = valB.GetType().GetMethods().FirstOrDefault(m => m.Name == "Add" && m.GetParameters().Length == 1);
var enny = (IEnumerator)valA.GetType().GetMethods().FirstOrDefault(e => e.Name == "GetEnumerator")?.Invoke(valA, new object[0]);
var fodefMethod = valB.GetType().GetMethods().FirstOrDefault(m => m.Name == "FirstOrDefault" && m.GetParameters().Length == 1);
while (enny.MoveNext())
{
var paramEx = Expression.Parameter(valB.GetType().GetGenericArguments().First(), "a");
var lambda = Expression.Lambda(Expression.Equal(paramEx, Expression.Constant(enny.Current)), paramEx);
var fodef = fodefMethod?.Invoke(valB, new object[] { lambda });
if (fodef != null)
{
if (!fodef.Equals(enny.Current))
{
addMethod.Invoke(valB, new object[] { enny.Current });
}
else
{
CopyFromAndMergeLists(fodef, enny.Current);
}
}
}
}
objB[field.Key] = objA[field.Key.Name];
}
}
});
});
}
