//Constructor
public BookStoreClass()
{
Book = new BookClass();
EmployeeList = new EmployeeListClass();
currentBookFile = new currentFile(currentBookFilePath);
updatedBookFile = new UpdatedFile(updatedBookFilePath);
currentEmployeeFile = new currentFile(currentEmployeeFilePath);
updatedEmployeeFile = new UpdatedFile(updatedEmployeeFilePath);
}
//This method takes the data from the text file and formats the data to the proper types required.
//It splits the data at the asterisk and reads all the lines and does checks to validate that the proper data is
//being inserted as well as the proper lengths of the ISBN number.
public bool createBookObject(string b)
{
BookClass thisBook = this;
string[] bookString = b.Split('*');
hiddenISBN = bookString[0].Trim();
hiddenTitle = bookString[1].Trim();
hiddenAuthor = bookString[2].Trim();
for (int i = 0; i < bookString.Length; i++)
{
bookString[i] = bookString[i].Trim();
}
//Checks to make sure the value inserted into the isbn text boxes is equal to the required length of the ISBN
if (hiddenISBN.Length != Globals.BookStore.getFullISBNLength)
{
MessageBox.Show(bookString[0] + ": the ISBN number is not 6 digits.", "ERROR");
return(false);
}
//Checks to make sure the title is not empty
if (hiddenTitle == "")
{
MessageBox.Show(bookString[1] + ": there is no title for this book.");
return(false);
}
//Checks to make sure the author is not empty
if (hiddenAuthor == "")
{
MessageBox.Show(bookString[2] + ": there is no author for this book.");
}
//Converts the price to a decimal and gets rid of the dollar sign and any commas
try
{
hiddenPrice = Convert.ToDecimal(bookString[3].Replace("$", "").Replace(",", ""));
}
catch
{
MessageBox.Show("Could not convert the price to a decimal", "ERROR");
return(false);
}
//Converts the on hand number to an integer
try
{
hiddenNumOnHand = Convert.ToInt32(bookString[4]);
}
catch
{
MessageBox.Show("Could not convert " + bookString[4] + " to an integer", "ERROR");
return(false);
}
//Parses the date
try
{
hiddenLastTransaction = DateTime.Parse(bookString[5]);
}
catch
{
MessageBox.Show("The date accessed is not in a valid date form.", "ERROR");
return(false);
}
return(true);
}