public static List <Book> GetBooks(bool useDB)
{
try
{
DataTable table;
List <Book> books = new List <Book>();
if (useDB)
{
table = DBLibrary.GetBooks(cs);
}
else
{
table = DBLibrary.GetTestData();
}
Book book;
foreach (DataRow row in table.Rows)
{
book = new Book((int)row[0]);
book.Name = row["name"].ToString();
book.Author = row["author"].ToString();
book.Country = row["country"].ToString();
book.Year = (int)row["year"];
books.Add(book);
}
return(books);
}
catch (Exception)
{
throw;
}
}
public static int UpdateBook(Book book)
{
try
{
int count = DBLibrary.UpdateBook(cs, book.ID, book.Name, book.Author, book.Country, book.Year);
return(count);
}
catch (Exception)
{
throw;
}
}
public static bool DeleteBook(Book book)
{
try
{
int count = DBLibrary.DeleteBook(cs, book.ID);
if (count > 0)
{
return(true);
}
else
{
return(false);
}
}
catch (Exception)
{
throw;
}
}
public static bool InsertBook(Book book)
{
try
{
int count = DBLibrary.InsertBook(cs, book.Name, book.Author, book.Country, book.Year);
if (count > 0)
{
return(true);
}
else
{
return(false);
}
}
catch (Exception)
{
throw;
}
}