/// <summary>
/// Checks-out the given books by setting the CheckedOutBy
/// property to the CurrentMember MemberID.
/// </summary>
/// <param name="books">List<Book></param>
public static bool CheckoutBooks(List <Book> books)
{
LibraryContext context = new LibraryContext();
Member member = CurrentMember.GetCurrentMember();
int memberID = Convert.ToInt32(member.MemberID);
foreach (Book book in books)
{
Book dbBook = context.Books.Find(book.ISBN);
dbBook.CheckedOutBy = memberID;
}
context.SaveChanges();
if (IsChecked(books))
{
return(true);
}
else
{
return(false);
}
}
public void SignIn(object sender, EventArgs e)
{
Member member = new Member();
if (!IsEmpty(txtUsername.Text))
{
member.Username = txtUsername.Text;
}
if (!InvalidInt(txtPIN.Text))
{
member.PIN = Convert.ToInt32(txtPIN.Text);
}
if (MemberDB.IsMember(member))
{
if (MemberDB.LogIn(member))
{
Member dbMember =
CurrentMember.GetCurrentMember();
if (chkAdmin2.Checked is true &&
dbMember.IsAdmin is true)
{
this.Hide();
FrmAdmin addAdminForm =
new FrmAdmin();
addAdminForm.ShowDialog();
this.Close();
}
else
{
this.Hide();
FrmLibrary addLibraryForm =
new FrmLibrary();
addLibraryForm.ShowDialog();
this.Close();
}
}
else
{
MessageBox.Show("PIN incorrect. Try again.");
}
}
/// <summary>
/// Gets all books checked out by a member.
/// </summary>
/// <param name="member">Member</param>
/// <returns>List<Book></returns>
public static List <Book> GetMemberBooks()
{
Member member = CurrentMember.GetCurrentMember();
List <Book> allBooks = GetAllBooks();
List <Book> memberBooks = new List <Book>();
int memberID = Convert.ToInt32(member.MemberID);
foreach (Book book in allBooks)
{
if (book.CheckedOutBy == memberID)
{
memberBooks.Add(book);
}
}
return(memberBooks);
}
//by checking-in the selected book we set CheckedOutBy = 0
public static bool CheckInBooks(List <Book> books)
{
Member member = CurrentMember.GetCurrentMember();
foreach (Book book in books)
{
Book dbBook = context.Books.Find(book.ISBN);
dbBook.CheckedOutBy = 0;
}
context.SaveChanges();
if (IsChecked(books))
{
return(false);
}
else
{
return(true);
}
}