/// <summary>
/// TODO, need a serious refactoring...
/// </summary>
public virtual void SetValue <TTarget>(object target, object source, PropertyPath targetPropertyPath, Mapper mapper, IService service, params Expression <Func <TTarget, object> >[] collectionsOwningItems)
where TTarget : class
{
Asserts <ArgumentNullException> .IsNotNull(target);
Asserts <ArgumentNullException> .IsNotNull(source);
Asserts <ArgumentNullException> .IsNotNull(targetPropertyPath);
Asserts <ArgumentNullException> .IsNotNull(mapper);
Asserts <ArgumentNullException> .IsNotNull(collectionsOwningItems);
Asserts <InvalidOperationException> .IsTrue(CanConvert());
var targetFirstPropertyInfo = targetPropertyPath.FirstPropertyInfo;
var targetLastPropertyInfo = targetPropertyPath.LastPropertyInfo;
bool nullInChain = false;
var sourceValue = GetValue(source, propertyInfos_, out nullInChain);
if (nullInChain) //Accomodate nulls
{
if (targetPropertyPath.IsReferenceId())
{
DoSetValue(target, targetFirstPropertyInfo, 0);
}
//else ignore
}
else
{
//The target object chain has been walked thru, recreated by GetInstance
if (service != null)
{
if (targetPropertyPath.IsReference())
{
if (sourceValue == null)
{
DoSetValue(target, targetFirstPropertyInfo, null);
}
else
{
int id = Convert.ToInt32(sourceValue);
Requires <InvalidKeyException> .GreaterOrEqual(id, -1);
if (id == -1)
{
//Ignore
return;
}
if (id == 0)
{
DoSetValue(target, targetFirstPropertyInfo, null);
}
if (id > 0)
{
var reference = service.GetPocoById(targetFirstPropertyInfo.PropertyType, id);
Requires <InvalidOperationException> .IsNotNull(reference);
DoSetValue(target, targetFirstPropertyInfo, reference);
}
}
}
else if (targetPropertyPath.IsGenericList())
{
//TODO add a test where the conversion of collection is not x => x
var refetchedTarget = service.GetPocoById(target.GetType(), GetId(target));
var targetValue = GetValue(target, targetPropertyPath.propertyInfos_, out nullInChain);
var modelList = targetValue as IList;
var viewModelList = sourceValue as IList;
var clonedModelList = new ArrayList(modelList);
foreach (var item in clonedModelList)
{
var viewModelListItem = GetMatchingItem(viewModelList, item);
if (viewModelListItem == null)
{
CallRemove(modelList, item);
if (collectionsOwningItems.Any(x => (ExpressionHelper.GetExpressionText(x) == targetLastPropertyInfo.Name)))
{
CallRemoveFromPersistence(service, item);
}
}
else
{
CallMap(mapper, viewModelListItem, item, service);
}
}
foreach (var newItem in viewModelList)
{
if (GetId(newItem) != 0)
{
continue;
}
var mappedItem = CreateListItemInstanceOf(targetLastPropertyInfo);
CallMap(mapper, newItem, mappedItem, service);
CallAdd(modelList, mappedItem);
}
}
else
{
var targetInstance = GetInstance(target, targetPropertyPath);
DoSetValue(targetInstance, targetLastPropertyInfo, conversion_(sourceValue));
}
service.Modify(target as PocoBase);
//Log.Verbose("SetValue applied for {0} to {1}", targetPropertyPath.Path, target.ToString());
}
if (service == null)
{
var targetInstance = GetInstance(target, targetPropertyPath);
if (targetPropertyPath.IsGenericList())
{
//This replaces the collection
var collectionInstance = sourceValue == null ? null : CreateCollection(sourceValue, targetLastPropertyInfo, mapper, service);
DoSetValue(targetInstance, targetLastPropertyInfo, conversion_(collectionInstance));
//TODO add a test where the conversion of collection is not x => x
}
else
{
DoSetValue(targetInstance, targetLastPropertyInfo, conversion_(sourceValue));
}
}
}
}
public void Remove(PropertyPath targetPropertyPath)
{
Asserts <ArgumentNullException> .IsNotNull(targetPropertyPath);
map_.Remove(targetPropertyPath);
}
