public IRestResource GetFullResource(IDeferredItem <TItem> item, IDataTransaction dataTransaction)
{
IEngineRepository <TNav> navRepository = new NavigationCollectionRepository <TItem, TCollection, TNav>(item, _navTools.NavExpression, _navTools.Setter);
var eventWrapper = new DataEventWrapper <TNav>(dataTransaction, navRepository);
eventWrapper.TryWrapEvents(_navTools.RepoEvents);
var context = new FullEngineContext <TNav>(eventWrapper.Transaction, eventWrapper.Repository, _subContext);
return(new EngineRestCollection <TNav>(context));
}
public IRestCollection GetRestCollection()
{
IDataTransaction transaction = _dataSource.CreateTransaction();
// TODO setup disposing of transaction
IEngineRepository <TItem> repository = _dataSource.GetRepository <TItem>(transaction);
var wrapper = new DataEventWrapper <TItem>(transaction, repository);
wrapper.TryWrapEvents(_events);
IEngineContext <TItem> context = new FullEngineContext <TItem>(wrapper.Transaction, wrapper.Repository, _subContext);
return(new EngineRestCollection <TItem>(context));
}
public IRestResource GetFullResource(IDeferredItem <TItem> item, IDataTransaction dataTransaction)
{
//TNav navItem = _navTools.NavExpression.Compile().Invoke(item.LoadedItem);
//var itemRepository = new LoadedItemRepository<TNav>(navItem);
IQueryableSingle <TNav> navigationQuery = item.Query.Select(_navTools.NavExpression).SingleDefferred();
var itemRepository = new QueryableSingleRepository <TNav>(navigationQuery);
var eventWrapper = new DataEventWrapper <TNav>(dataTransaction, itemRepository);
eventWrapper.TryWrapEvents(_navTools.RepoEvents);
var context = new FullEngineContext <TNav>(eventWrapper.Transaction, eventWrapper.Repository, _engineSubContext);
var deferredNavItem = new RepositoryDeferredItem <TNav>(itemRepository);
return(new EngineRestItem <TNav>(context, deferredNavItem));
}
public IRestCollection GetRestCollection(Stem <TItem> stem)
{
IDataTransaction transaction = _dataSource.CreateTransaction();
stem.OnDispose += delegate { transaction.Dispose(); };
IEngineRepository <TItem> repository = _dataSource.GetRepository <TItem>(transaction);
var wrapper = new DataEventWrapper <TItem>(transaction, repository);
wrapper.TryWrapEvents(new StemDataChangeEvents <TItem>(stem));
var subContext = new StemsEngineSubContext <TItem>(stem);
var context = new FullEngineContext <TItem>(wrapper.Transaction, wrapper.Repository, subContext);
return(new EngineRestCollection <TItem>(context));
}
public async Task SetValueAsync(IDeferredItem <TItem> item, object deserializedValue, IDataTransaction dataTransaction)
{
IEngineRepository <TNav> navRepository = new NavigationItemRepository <TItem, TNav>(item, _navTools.NavExpression, _navTools.Setter);
var itemData = new RestItemData(deserializedValue);
var navLocatorCreator = new NavigationItemLocatorCreator <TNav>(_subContext);
DeferredItemBase <TNav> deferredItem = await navLocatorCreator.LocateOrCreateItemAsync(navRepository, itemData, item.LoadAsync);
try
{
IDataTransaction transaction = new VoidTransaction(); // we commit the transaction in the parent. TODO optional save-as-you-go ?
var navContext = new FullEngineContext <TNav>(transaction, navRepository, _subContext);
var navEngineItem = new EngineRestItem <TNav>(navContext, deferredItem);
Acknowledgment acknowledgment = await navEngineItem.EditAsync(itemData);
}
catch (RestApiException ex)
{
throw new SubWriterException(ex, item);
}
}
public async Task SetValueAsync(IDeferredItem <TItem> item, object deserializedValue, IDataTransaction dataTransaction)
{
IEngineRepository <TNav> navRepository = new NavigationCollectionRepository <TItem, TCollection, TNav>(item, _navTools.NavExpression, _navTools.Setter);
IDataTransaction transaction = new VoidTransaction(); // we commit the transaction in the parent. TODO optional save-as-you-go ?
var navContext = new FullEngineContext <TNav>(transaction, navRepository, _subContext);
var navLocatorCreator = new NavigationItemLocatorCreator <TNav>(_subContext);
IEnumerable deserializedCollection = (IEnumerable)deserializedValue; // todo null ?
foreach (object deserializedItem in deserializedCollection)
{
var itemData = new RestItemData(deserializedItem);
DeferredItemBase <TNav> deferredItem = await navLocatorCreator.LocateOrCreateItemAsync(navRepository, itemData, item.LoadAsync);
var navEngineItem = new EngineRestItem <TNav>(navContext, deferredItem);
Acknowledgment acknowledgment = await navEngineItem.EditAsync(itemData);
}
// TODO: remove items that were not located?
}
