Example #1
0
        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);
        }
Example #2
0
        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);
        }
Example #3
0
        private static void Validate(BookList list, int userId, IEnumerable <BookListItem> items, int bookId)
        {
            var accessSpecification = new BookListAccessSpecification(list);

            if (!accessSpecification.SatisfiedBy(userId))
            {
                throw new AccessDeniedException <BookList>(new OnExceptionObjectDescriptor
                {
                    ["Id"] = list.Id.ToString()
                });
            }

            if (items.Any(i => i.BookId == bookId && i.BookListId == list.Id))
            {
                throw new ObjectAlreadyExistsException <BookListItem>(new OnExceptionObjectDescriptor
                {
                    ["Id"] = bookId.ToString()
                });
            }
        }