protected override async Task Handle(DeleteSharedListItem command)
{
var item = await WriteService.GetAsync <SharedBookListItem>(command.ItemId);
if (item == null)
{
throw new ObjectNotExistException <SharedBookListItem>(
new OnExceptionObjectDescriptor
{
["Id"] = command.ItemId.ToString()
});
}
var accessSpecification = new BookListAccessSpecification(item.BookList);
if (!accessSpecification.SatisfiedBy(command.UserId))
{
throw new AccessDeniedException <BookList>(new OnExceptionObjectDescriptor
{
["Id"] = item.BookListId.ToString()
});
}
await WriteService.DeleteAsync <SharedBookListItem>(item.Id);
}
protected override async Task Handle(SharePrivateList command)
{
var privateList = await _privateListFetchHandler.Handle(new GetPrivateListByUserId(command.UserId));
var sharedList = CreateSharedListFromPrivate(privateList, command);
var user = await WriteService.GetAsync <User>(command.UserId);
var listNameSpecification = new SharedListNameSpecification(user);
if (!listNameSpecification.SatisfiedBy(sharedList.Name))
{
throw new ObjectAlreadyExistsException <BookList>(new OnExceptionObjectDescriptor
{
["Name"] = command.Name
});
}
await WriteService.SaveAsync(sharedList);
var privateItems = await _privateItemsFetchHandler.Handle(new GetItemsByListId(privateList.Id));
var sharedItems = CreateSharedItemsFromPrivateItems(privateItems, sharedList.Id);
await WriteService.SaveBatchAsync(sharedItems);
}
protected override async Task <int> GetBookListId(AddSharedListItem command)
{
var list = await WriteService.GetAsync <BookList>(command.ListId);
if (list == null)
{
throw new ObjectNotExistException <BookList>(
new OnExceptionObjectDescriptor
{
["Id"] = command.ListId.ToString()
});
}
var accessSpecification = new BookListAccessSpecification(list);
if (!accessSpecification.SatisfiedBy(command.UserId))
{
throw new AccessDeniedException <BookList>(new OnExceptionObjectDescriptor
{
["Id"] = command.ListId.ToString()
});
}
return(command.ListId);
}
protected sealed override async Task <TDto> Handle(TCommand command)
{
var listId = await GetBookListId(command);
var book = await WriteService.GetAsync <Book>(command.BookId);
if (await DoItemExist(command.BookId, listId))
{
throw new ObjectAlreadyExistsException <TItem>(new OnExceptionObjectDescriptor
{
["Author"] = book.Author,
["Title"] = book.Title
});
}
var item = CreateItem(book, listId);
await SaveAsync(item);
return(Convert(item));
}
protected override async Task <SharedBookListPreviewDto> Handle(CreateSharedList command)
{
var user = await WriteService.GetAsync <User>(command.UserId);
if (user == null)
{
throw new ObjectNotExistException <User>(new OnExceptionObjectDescriptor
{
["Id"] = command.UserId.ToString()
});
}
var listNameSpecification = new SharedListNameSpecification(user);
if (!listNameSpecification.SatisfiedBy(command.Name))
{
throw new ObjectAlreadyExistsException <BookList>(new OnExceptionObjectDescriptor
{
["Name"] = command.Name
});
}
var list = new BookList
{
Name = command.Name,
OwnerId = user.Id,
Type = BookListType.Shared
};
var tags = await _bookListService.ProcessTags(command.Tags, list.Id);
if (tags != null)
{
list.SharedBookListTags = tags;
}
await WriteService.SaveAsync(list);
return(Mapper.Map <BookList, SharedBookListPreviewDto>(list));
}
protected override async Task <PrivateBookListItem> GetEntity(UpdatePrivateListItem command)
{
return(await WriteService.GetAsync <PrivateBookListItem>(command.ItemId));
}
