public async Task RemoveBook_Test()
{
var isbn = "1234567890";
var options = TestUtilities.GetOptions(nameof(ThrowBookException_WhenPublishDateIsIncorrect_Test));
using (var actContext = new LibrarySystemContext(options))
{
var book = await actContext.Books.AddAsync(new Book { ISBN = isbn });
await actContext.SaveChangesAsync();
}
var removeBookDto = new RemoveBookDto
{
ISBN = isbn
};
using (var assertContext = new LibrarySystemContext(options))
{
var sut = new BookWebService(assertContext);
await sut.RemoveBookAsync(removeBookDto);
Assert.AreEqual(0, assertContext.Books.Count());
}
}
public async Task RemoveBookAsync(RemoveBookDto removeBookDto)
{
var book = await dbContext.Books
.FirstOrDefaultAsync(bookIsbn => bookIsbn.ISBN == removeBookDto.ISBN);
if (book == null)
{
throw new BookException("The book was not found!");
}
this.dbContext.Books.Remove(book);
await this.dbContext.SaveChangesAsync();
}
public async Task <IActionResult> RemoveBook(BookIsbnViewModel vm)
{
try
{
var removeDto = new RemoveBookDto
{
ISBN = vm.ISBN,
};
await this.service.RemoveBookAsync(removeDto);
}
catch (BookException ex)
{
return(View("Message", new MessageViewModel {
Message = ex.Message
}));
}
return(View("Message", new MessageViewModel {
Message = $"The book {vm.ISBN} was removed successfully!", IsSuccess = true
}));
}
