public void Delete(int id)
{
HttpResponseMessage response = new HttpResponseMessage();
try
{
LibraryRepository libraryRepository = new LibraryRepository(Constants.ConnectionString);
libraryRepository.DeleteBook(id);
}
catch (DataDependencyException ex)
{
response.StatusCode = HttpStatusCode.InternalServerError;
response.Content = new StringContent(ex.ErrorMessage);
//return response;
}
catch (DataLayerException ex)
{
response.StatusCode = HttpStatusCode.InternalServerError;
response.Content = new StringContent(ex.ErrorMessage);
//return response;
}
response.StatusCode = HttpStatusCode.OK;
response.Content = new StringContent("Book deleted.");
//return response;
}
public IActionResult DeleteBookForAuthor(Guid authorId, Guid id)
{
if (LibraryRepository.AuthorNotExists(authorId))
{
return(NotFound());
}
var book = LibraryRepository.GetBookForAuthor(authorId, id);
if (book == null)
{
return(NotFound());
}
LibraryRepository.DeleteBook(book);
if (LibraryRepository.NotSave())
{
throw new Exception($"Deleting book {id} for author {authorId} failed on save.");
}
Logger.LogInformation(100, $"Book {id} for author {authorId} was deleted.");
return(NoContent());
}
public async Task <IActionResult> DeleteConfirmed(int id)
{
var book = _repository.GetBook(id);
_repository.DeleteBook(id);
return(RedirectToAction(nameof(Index)));
}
public void DeleteBookTest()
{
AddBookTest();
Assert.AreEqual(3, _dataLayer.GetAllBooks().Count());
Book book = _dataLayer.GetAllBooks().First();
_dataLayer.DeleteBook(book);
Assert.AreEqual(2, _dataLayer.GetAllBooks().Count());
Assert.ThrowsException <KeyNotFoundException>(() => _dataLayer.GetBook(4));
}
public void SaveBookTest()
{
DatabasePackage databasePackage = new DatabasePackage(_ConnectionString);
SqlDataReader reader = null;
try
{
LibraryRepository libraryRepository = new LibraryRepository(_ConnectionString);
// Test Add Book
Book newBook = new Book();
newBook.Name = "Unit Test Book";
libraryRepository.SaveBook(newBook);
databasePackage.CommandText = "Select ID From Book Where Name = 'Unit Test Book'";
reader = databasePackage.GetReader();
reader.Read();
int bookID = databasePackage.FieldToInt(reader["ID"]);
Assert.AreNotEqual(0, bookID);
// Test Modify Book
Book existingBook = libraryRepository.GetBookByID(bookID);
existingBook.Name = "Unit Test Book (Modified)";
libraryRepository.SaveBook(existingBook);
Book modifiedBook = libraryRepository.GetBookByID(bookID);
Assert.AreEqual("Unit Test Book (Modified)", modifiedBook.Name);
// Delete newly added book
libraryRepository.DeleteBook(bookID);
}
catch (Exception)
{
throw;
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
public void GetBookByIDTest()
{
DatabasePackage databasePackage = new DatabasePackage(_ConnectionString);
SqlDataReader reader = null;
LibraryRepository libraryRepository = new LibraryRepository(_ConnectionString);
try
{
// Add a new book
Book newBook = new Book();
newBook.Name = "Unit Test Book";
libraryRepository.SaveBook(newBook);
databasePackage.CommandText = "Select ID From Book Where Name = 'Unit Test Book'";
reader = databasePackage.GetReader();
reader.Read();
int bookID = databasePackage.FieldToInt(reader["ID"]);
// Test the function
Book book = libraryRepository.GetBookByID(bookID);
Assert.AreEqual(book.ID, bookID);
// Delete newly added book
libraryRepository.DeleteBook(bookID);
}
catch (Exception)
{
throw;
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
public void ReturnBookTest()
{
DatabasePackage databasePackage = new DatabasePackage(_ConnectionString);
SqlDataReader reader = null;
LibraryRepository libraryRepository = new LibraryRepository(_ConnectionString);
try
{
// Add a new Book
Book newBook = new Book();
newBook.Name = "Unit Test Book";
libraryRepository.SaveBook(newBook);
databasePackage.CommandText = "Select ID From Book Where Name = 'Unit Test Book'";
reader = databasePackage.GetReader();
reader.Read();
int bookID = databasePackage.FieldToInt(reader["ID"]);
// Add a new Member
Member newMember = new Member();
newMember.Name = "Unit Test Member";
libraryRepository.SaveMember(newMember);
databasePackage.CommandText = "Select ID From Member Where Name = 'Unit Test Member'";
reader = databasePackage.GetReader();
reader.Read();
int memberID = databasePackage.FieldToInt(reader["ID"]);
// Issue this Book to a Member
libraryRepository.IssueBook(bookID, memberID, DateTime.Now);
// Test the function
libraryRepository.ReturnBook(bookID);
Book returnBook = libraryRepository.GetBookByID(bookID);
Assert.AreEqual(returnBook.MemberID, 0);
// Delete newly added book
libraryRepository.DeleteBook(bookID);
// Delete newly added Member
libraryRepository.DeleteMember(memberID);
}
catch (Exception)
{
throw;
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
