private static NavigationCollectionRepository <Author, ICollection <Book>, Book> GetBooksNavRepo(Author author)
{
var item = new AlreadyLoadedItem <Author>(author, null);
var repo = new NavigationCollectionRepository <Author, ICollection <Book>, Book>(item, a => a.Books, new DefaultNavigationSetter <Author, ICollection <Book> >(a => a.Books));
return(repo);
}
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 void AttachNewItem_NullCollection_CreatesCollection()
{
var author = new Author
{
Books = null
};
NavigationCollectionRepository <Author, ICollection <Book>, Book> repo = GetBooksNavRepo(author);
var book = repo.CreateAndAttachItem();
Assert.NotNull(author.Books);
Assert.Contains(book, author.Books);
}
public void AttachNewItem_EmptyCollection_AddsItem()
{
var books = new List <Book>();
var author = new Author
{
Books = books
};
NavigationCollectionRepository <Author, ICollection <Book>, Book> repo = GetBooksNavRepo(author);
var book = repo.CreateAndAttachItem();
Assert.Contains(book, books);
}
public void MarkDeleted_Collection_RemovesTestData()
{
var testBook = new Book {
Title = "Test"
};
var author = new Author
{
Books = new List <Book>
{
testBook
}
};
NavigationCollectionRepository <Author, ICollection <Book>, Book> repo = GetBooksNavRepo(author);
repo.MarkDeleted(testBook);
Assert.Equal(0, author.Books.Count);
}
public void GetAllItemsQuery_Collection_ContainsTestData()
{
var testBook = new Book {
Title = "Test"
};
var author = new Author
{
Books = new List <Book>
{
testBook
}
};
NavigationCollectionRepository <Author, ICollection <Book>, Book> repo = GetBooksNavRepo(author);
var bookQuery = repo.GetAllItems().ToList();
Assert.Contains(testBook, bookQuery);
}
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?
}
