public int GetCopies(Book book)
{
return With.Transaction<int>(delegate(SqlCommand command)
{
command.CommandType = System.Data.CommandType.Text;
command.CommandText = "SELECT COUNT(*) FROM BookCopy WHERE ISBN = @ISBN";
command.Parameters.AddWithValue("isbn", book.ISBN);
return (int)command.ExecuteScalar();
});
}
public void Create(Book book)
{
With.Transaction(delegate(SqlCommand command)
{
command.CommandType = System.Data.CommandType.StoredProcedure;
command.CommandText = InsertBookSp;
command.Parameters.AddWithValue("isbn", book.ISBN);
command.Parameters.AddWithValue("name", book.Name);
command.ExecuteNonQuery();
});
}
public void CheckOutCopyOf(Book book1, User user)
{
// remember transactions!
// find if book has free copies
// if not, throw NoFreeBookException
// find copy id #
// add new row to the checkouts table, with the proper data
//booksRepository.CheckOut(book1, user, TimeSpan.FromDays(14) );
}
private IList<Book> GetBooksListFromCommand(SqlCommand command)
{
IList<Book> mybooklist = new List<Book>();
using (SqlDataReader mydr = command.ExecuteReader())
{
while (mydr.Read())
{
Book mybook = new Book(mydr.GetString(0), mydr.GetString(1));
mybooklist.Add(mybook);
}
}
return mybooklist;
}
public void Get_Book_List()
{
Library library = CreateTestLibrary();
Book book1 = new Book("1-1231-13", "War & Peace vol 1");
Book book2 = new Book("1-1231-14", "War & Peace vol 2");
Book book3 = new Book("1-1231-15", "War & Peace vol 3");
library.AddBook(book1);
library.AddBook(book2);
library.AddBook(book3);
IList<Book> bl = library.GetBookList();
Assert.AreEqual("War & Peace vol 2", bl[1].Name);
}
public IList<BookCopy> GetBookCopies(Book mybook)
{
return With.Transaction<IList<BookCopy>>(delegate(SqlCommand command)
{
IList<BookCopy> mybookcopylist = new List<BookCopy>();
command.CommandType = System.Data.CommandType.Text;
command.CommandText = "SELECT Id, ISBN FROM BookCopy where isbn=@isbn";
command.Parameters.AddWithValue("isbn", mybook.ISBN);
using (SqlDataReader mydr = command.ExecuteReader())
{
while (mydr.Read())
{
BookCopy mybookcopy = new BookCopy(mydr.GetString(1));
mybookcopy.Id = mydr.GetInt32(0);
mybookcopylist.Add(mybookcopy);
}
}
return mybookcopylist;
});
}
public void Create(Book entity)
{
_db.Books.Add(entity);
_db.SaveChanges();
}
public IList<BookCopy> GetBookCopies(Book book1)
{
return booksRepository.GetBookCopies(book1);
}
public void Can_Check_A_Book_From_Library()
{
Library library = CreateTestLibrary();
Book book1 = new Book("1-1231-13", "War & Peace vol 1");
library.AddBook(book1);
User user = new User("read-alot", "read", "a lot");
library.AddUser(user);
ICollection<Book> books = library.GetBooksCheckedOutBy(user);
Assert.AreEqual(0, books.Count);
library.CheckOutCopyOf(book1, user);
books = library.GetBooksCheckedOutBy(user);
Assert.AreEqual(1, books.Count);
}
public int GetNumberOfCopies(Book book)
{
return booksRepository.GetCopies(book);
}
public void AddBookCopy(Book book)
{
booksRepository.AddBookCopy(book);
}
public Book GetBookByISBN(String bookisbn)
{
return With.Transaction<Book>(delegate(SqlCommand command)
{
Book mybook;
command.CommandType = System.Data.CommandType.Text;
command.CommandText = "SELECT * FROM Books where isbn=@isbn";
command.Parameters.AddWithValue("isbn", bookisbn);
using (SqlDataReader mydr = command.ExecuteReader())
{
if (mydr.HasRows)
{
mydr.Read();
mybook = new Book(mydr.GetString(0), mydr.GetString(1));
return mybook;
}
else
{
return null;
}
}
});
}
public void AddBook(Book book)
{
booksRepository.Create(book);
books.Add(book);
}
public void Add_Book_And_Five_Copies_With_Single_Transaction()
{
With.TotalOpenedTransactionCount = 0;
With.Transaction(delegate
{
Library library = CreateTestLibrary();
Book book1 = new Book("1-1231-13", "War & Peace vol 1");
library.AddBook(book1);
for (int i = 0; i < 4; i++)
library.AddBookCopy(book1);
});
Assert.AreEqual(1, With.TotalOpenedTransactionCount);
}
public void Update(Book entity)
{
_db.Entry<Book>(entity).State = EntityState.Modified;
_db.SaveChanges();
}
public void Get_Book_Copies()
{
Library library = CreateTestLibrary();
Book book1 = new Book("1-1231-13", "War & Peace vol 1");
library.AddBook(book1);
library.AddBookCopy(book1);
library.AddBookCopy(book1);
IList<BookCopy> bcl = library.GetBookCopies(book1);
Assert.AreEqual(3, bcl.Count);
}
public void AddBookCopy(Book book)
{
With.Transaction(delegate(SqlCommand command)
{
command.CommandType = System.Data.CommandType.Text;
command.CommandText = "insert into BookCopy (ISBN) values(@ISBN)";
command.Parameters.AddWithValue("isbn", book.ISBN);
command.ExecuteNonQuery();
});
}
/// <summary>
/// This is not working!
/// Left for home
/// </summary>
public void CheckOut(Book book, User user, TimeSpan checkOutDuration)
{
With.Transaction(IsolationLevel.Serializable, delegate(SqlCommand command)
{
command.CommandType = CommandType.StoredProcedure;
command.CommandText = BookFindAvailableCopy;
command.Parameters.AddWithValue("isbn", book.ISBN);
object value = command.ExecuteScalar();
int copyId = (int)value;
command.CommandType = CommandType.Text;
command.CommandText = @"INSERT INTO CheckOuts(BookCopyId, UserId, CheckedOutAt, DueDate)
VALUES(@copyId, @userId, @checkOutAt, @dueDate)";
command.Parameters.AddWithValue("copyId", copyId);
command.Parameters.AddWithValue("userId", user.ID);
command.Parameters.AddWithValue("checkOutAt", DateTime.Today);
command.Parameters.AddWithValue("dueDate", DateTime.Today.Add(checkOutDuration));
command.ExecuteNonQuery();
});
}
public Task<HttpResponseMessage> Put(Book book)
{
HttpResponseMessage response = new HttpResponseMessage();
try
{
_repository.Update(book);
response = Request.CreateResponse(HttpStatusCode.OK, book);
}
catch (Exception)
{
response = Request.CreateResponse(HttpStatusCode.BadRequest, "Falha ao recuperar livros");
throw;
}
var tsc = new TaskCompletionSource<HttpResponseMessage>();
tsc.SetResult(response);
return tsc.Task;
}
public void Get_Book_By_ID()
{
Library library = CreateTestLibrary();
Book book1 = new Book("1-1231-13", "War & Peace vol 1");
Book book2;
library.AddBook(book1);
book2 = library.GetBookByISBN("1-1231-13");
Assert.AreEqual(book1.Name, book2.Name);
}
