//Helper Methods
CheckOutLogBLLCollection CreateCheckOutLogCollection()
{
CheckOutLogBLLCollection logs = new CheckOutLogBLLCollection();
Book book1 = new Book()
{
BookID = 1,
Title = "Tom Goes To The Doctor"
};
Book book2 = new Book()
{
BookID = 2,
Title = "Mary Goes To The Dentist"
};
CheckOutLogBLL l1 = new CheckOutLogBLL()
{
CheckOutLogID = 1,
BookID = 1,
CheckOutDate = DateTime.Now,
Book = book1
};
CheckOutLogBLL l2 = new CheckOutLogBLL()
{
CheckOutLogID = 2,
BookID = 1,
CheckOutDate = DateTime.Now,
Book = book1
};
CheckOutLogBLL l3 = new CheckOutLogBLL()
{
CheckOutLogID = 3,
BookID = 2,
CheckOutDate = DateTime.Now,
Book = book2
};
logs.Add(l1);
logs.Add(l2);
logs.Add(l3);
return(logs);
}
private void outButton_Click(object sender, RoutedEventArgs e)
{
try
{
//First, check standing
if (goodStanding)
{
//Check input
if (checkTextBox.Text == "")
{
errorLabel.Content = "Please enter the ISBN of the book the patron would like to check out.";
}
else
{
BookBLL book = null;
foreach (BookBLL b in books)
{
//Find a matching book
if (b.ISBN == checkTextBox.Text)
{
book = b;
break;
}
}
if (book == null)
{
//No book was found matching the ISBN
errorLabel.Content = $"No book was found matching ISBN:{checkTextBox.Text}";
}
else
{
//A book was found, now check availability
if (logs.AvailableCopies(book) > 0)
{
//Now we can check the book out, creating a new log
CheckOutLogBLL newLog = new CheckOutLogBLL()
{
CardholderID = patron.ID,
BookID = book.BookID,
CheckOutDate = DateTime.Now
};
//logs.Add(newLog);
logs.AddLogToDatabase(newLog);
SetListBox();
}
else
{
//There are no more available copies of that book
errorLabel.Content = $"All copies of {book.Title}: {book.ISBN} are checked out.";
}
}
}
}
else
{
ReportStanding();
}
}
catch (Exception ex)
{
errorLabel.Content = ErrorHandler.InnermostExceptionMessage(ex);
}
}
