/// <summary>
/// Add new loan
/// </summary>
/// <param name="member"></param>
/// <param name="bookCopy"></param>
/// <param name="AlreadyExpiredLoan">Register as already expired loan for testing purposes</param>
public void Add(Member member, BookCopy bookCopy, bool alreadyExpiredLoan)
{
if (bookCopy != null && bookCopy.CurrentLoan != null)
{
throw new ValidationException("This book copy is already on loan");
}
Loan loan = new Loan()
{
TimeOfLoan = DateTime.Now,
DueDate = alreadyExpiredLoan ? DateTime.Now.AddDays(-15) : DateTime.Now.AddDays(15),
Member = member,
BookCopy = bookCopy
};
ValidationResult error = ObjectValidator.Validate(loan);
if (error != null)
{
throw new ValidationException(error.ErrorMessage);
}
else
{
_loanRepository.Add(loan);
OnUpdated(new EventArgs());
}
}
public Member(int pNummer, string firstName, string lastName, Loan _loan)
{
this.MemberId = generateNewId();
this.Pnumber = pNummer;
this.FirstName = firstName;
this.LastName = lastName;
this.loan = _loan;
}
public async Task<Loan> LoanBook(int userId, int bookId, int days)
{
var b = await _bookService.Details(bookId);
var u = await _userService.Details(userId);
if (b == null || u == null) throw null;
var currentDate = DateTime.UtcNow;
var loan = new Loan()
{
Book = b,
User = u,
LoanStart = currentDate,
LoanEnd = currentDate.AddDays(days)
};
_libraryContext.Loans.Add(loan);
int rowsSaved = await _libraryContext.SaveChangesAsync();
return loan;
}
public void CreateLibrary()
{
Author AlexDumas = new Author()
{
Name = "Alexander Dumas",
books = new List<Book>()
};
Author JamesJoyce = new Author()
{
Name = "James Joyce",
books = new List<Book>()
};
string description = "The story of Edmund Dantes, self-styled Count of Monte Cristo, is told with consummate skill.";
string descriptionTwo = "This is a description";
string descriptionThree = "It was the best of times, it was the worst of times";
string title = "The Count of Monte Cristo";
string titleTwo = "The Count of Monte Blisto";
string titleThree = "Ulysses";
long isbnOne = 9781435132115;
long isbnTwo = 9781435132114;
long isbnThree = 9789100146238;
int nrOfCopyOne = 7;
int nrOfCopyTwo = 6;
Book monteCristo = new Book(AlexDumas, title, description, isbnOne, nrOfCopyOne);
Book monteBlisto = new Book(AlexDumas, titleTwo, descriptionTwo, isbnTwo, nrOfCopyTwo);
Book ulysses = new Book(JamesJoyce, titleThree, descriptionThree, isbnThree, nrOfCopyOne);
AlexDumas.books.Add(monteCristo);
AlexDumas.books.Add(monteBlisto);
JamesJoyce.books.Add(ulysses);
_authorService.Add(AlexDumas);
_authorService.Add(JamesJoyce);
//_bookService.Add(monteCristo);
Member Love = new Member()
{
Pnumber = 920217,
Name = "Love",
loans = new List<Loan>()
};
_memberService.Add(Love);
BookCopy bCopy = _bookCopyService.Find(monteCristo.Id);
Loan loanTest = new Loan(bCopy, Love);
_loanService.Add(loanTest);
}
/// <summary>
/// Return loan an calculate fee if loan is returned past it's due date
/// </summary>
/// <param name="loan"></param>
/// <param name="fee">The fee for passing the loan due date</param>
public void Return(Loan loan, out double fee)
{
fee = 0;
if (loan != null && loan.TimeOfReturn == null)
{
// 10 SEK fee per day after due date
if (DateTime.Now > loan.DueDate)
fee = (DateTime.Now - loan.DueDate).Days * 10;
loan.TimeOfReturn = DateTime.Now;
OnUpdated(new EventArgs());
}
else
throw new InvalidOperationException("The book you are trying to return has already been returned");
}
/// <summary>
/// Event method for the loan submit button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void loanSelectedButton_Click(object sender, EventArgs e)
{
try
{
iscorrectofrmat(mtxtbxSSNR1);
string memberSocialSecNr = mtxtbxSSNR1.Text;
int bookId = Convert.ToInt16(searchListView.SelectedItems[0].SubItems[0].Text);
Member theMember;
BookCopy theCopy;
//fetch bookcopy and member from repos and catch exceptions to throw specific exceptions
try
{
var bookCopy = bookCopyService.All().Where(b => b.Book.Id == bookId && b.IsLoaned == false).First();
theCopy = bookCopy;
}
catch (InvalidOperationException)
{
throw new NoCopyAvailableException();
}
try
{
var member = memberService.All().Where(m => m.SocialSecurityNr == memberSocialSecNr).First();
theMember = member;
}
catch (InvalidOperationException)
{
throw new NoMemberFoundException();
}
//create a new loan
Loan newLoan = new Loan { BookCopy = theCopy, Member = theMember, TimeofLoan = DateTime.Today.Date, ToReturn = DateTime.Today.AddDays(15).Date, Returned = null };
//Add the loan to the repo
loanService.Add(newLoan);
theCopy.IsLoaned = true;
bookCopyService.Edit(theCopy);
}
catch (ArgumentOutOfRangeException)
{
MessageBox.Show("Select a book to loan");
}
catch (NoMemberFoundException)
{
MessageBox.Show("Member not found");
}
catch (NoCopyAvailableException)
{
MessageBox.Show(searchListView.SelectedItems[0].SubItems[2].Text + " is not available at this moment.");
}
catch (InvalidSSNRException)
{
MessageBox.Show(mtxtbxSSNR1.Text + " is not a valid Social security number, please enter a social scurity number by the form YYMMDD-XXXX");
}
}
private void grd_Members_Loans_SelectionChanged(object sender, EventArgs e)
{
// Enable/disable buttons depending on selected row
if (grd_Members_Loans.SelectedRows.Count > 0)
{
_selectedMemberLoan = GetSelectedMemberLoan();
// The selected loan is active and not returned yet - enable return button
if (_selectedMemberLoan != null && _selectedMemberLoan.TimeOfReturn == null)
btn_Members_ReturnLoan.Enabled = true;
// The selected loan is returned - disable return button
else if (_selectedMemberLoan != null && _selectedMemberLoan.TimeOfReturn != null)
btn_Members_ReturnLoan.Enabled = false;
// No loan selected
else
btn_Members_ReturnLoan.Enabled = false;
}
else
{
_selectedMemberLoan = null;
btn_Members_ReturnLoan.Enabled = false;
}
}
public void RemoveLoan(Loan item, string name)
{
_memberRepository.RemoveLoan(item, name);
}
public void Remove(Loan item)
{
}
public void Edit(Loan item)
{
}
public void Add(Loan item)
{
}
public string ReturnLoan(Loan loan)
{
OnUpdated(this, new EventArgs());
return _loanRepository.ReturnLoan(loan);
}
public void Remove(Loan item)
{
_loanRepository.Remove(item);
}
public void ModLoan(Loan item)
{
OnUpdated(this, new EventArgs());
_loanRepository.ModLoan(item);
}
public void Add(Loan item)
{
_loanRepository.Add(item);
}