void OnCreate(TEntity entity)
{
var repository = DependencyResolver.Resolve <IRepository <TJoin> >();
var key = KeyFunc(entity);
var items = JoinFunc(entity);
int sort = 0;
foreach (var item in items)
{
ForeignKeyAction(item, key);
if (JoinSortAction != null)
{
JoinSortAction(item, sort);
}
var itemKey = JoinKeyFunc(item);
if (CascadeImpl.IsDefault(itemKey))
{
repository.Create(item);
}
else
{
repository.Update(item);
}
sort++;
}
}
void Cascade(IInvocation invocation, object entity)
{
switch (invocation.Method.Name)
{
case "Create":
CascadeImpl.OnCreate(entity);
break;
case "Update":
CascadeImpl.OnUpdate(entity);
break;
case "Delete":
CascadeImpl.OnDelete(entity);
break;
}
}
void OnUpdate(TEntity entity)
{
var repository = DependencyResolver.Resolve <IRepository <TJoin> >();
var key = KeyFunc(entity);
var items = JoinFunc(entity);
var sources = SourceJoinFunc(entity);
var newItems = items.Where(o => CascadeImpl.IsDefault(JoinKeyFunc(o)));
var updateItems = items.Except(newItems);
var deleteItems = sources.Except(items, new EntityEqualityComparer <TJoin>(JoinKeyFunc));
foreach (var newItem in newItems)
{
ForeignKeyAction(newItem, key);
if (JoinSortAction != null)
{
JoinSortAction(newItem, items.IndexOf(newItem));
}
repository.Create(newItem);
}
foreach (var updateItem in updateItems)
{
ForeignKeyAction(updateItem, key);
if (JoinSortAction != null)
{
JoinSortAction(updateItem, items.IndexOf(updateItem));
}
repository.Update(updateItem);
}
foreach (var deleteItem in deleteItems)
{
repository.Delete(deleteItem);
}
}