public void WriteBinary(BookEntry bookEntry)
{
try
{
var fileName = Path.Combine(Directory.GetParent(Directory.GetCurrentDirectory()).Parent.FullName, "BinaryFiles");
var files = Directory.GetFiles(fileName).Length;
fileName = fileName + "\\file00" + (files + 1) + ".dat";
var readFile = fileName.Split('\\');
var fileID = readFile.Last();
using (BinaryWriter binWriter =
new BinaryWriter(File.Open(fileName, FileMode.Create)))
{
bookEntry.FileID = fileID;
binWriter.Write(bookEntry.FileID);
binWriter.Write(bookEntry.AuthorName);
binWriter.Write(bookEntry.BookTitle);
binWriter.Write(bookEntry.QuantityInStock);
binWriter.Write(bookEntry.Price);
}
Console.WriteLine();
}
catch (IOException ioexp)
{
Console.WriteLine("Error: {0}", ioexp.Message);
}
}
public void ReadBinary()
{
try
{
var folderPath = Path.Combine(Directory.GetParent(Directory.GetCurrentDirectory()).Parent.FullName, "BinaryFiles");
List <BookEntry> bookList = new List <BookEntry>();
var files = Directory.GetFiles(folderPath).Length;
var allFiles = Directory.GetFiles(folderPath);
if (files > 0)
{
foreach (var filePath in allFiles)
{
using (BinaryReader reader = new BinaryReader(File.Open(filePath, FileMode.Open)))
{
BookEntry bookEntry = new BookEntry();
bookEntry.FileID = reader.ReadString();
bookEntry.AuthorName = reader.ReadString();
bookEntry.BookTitle = reader.ReadString();
bookEntry.QuantityInStock = reader.ReadInt32();
bookEntry.Price = reader.ReadDouble();
bookList.Add(bookEntry);
var readFile = filePath.Split('\\');
var listFile = readFile.Last();
var findBoook = bookList.FirstOrDefault(file => file.BookTitle == bookEntry.BookTitle && file.FileID.Equals(bookEntry.FileID) == false);
if (findBoook != null)
{
LogWriter(findBoook, bookEntry);
}
}
}
}
}
catch (IOException ioexp)
{
Console.WriteLine("Error: {0}", ioexp.Message);
}
}
public void LogWriter(BookEntry fileAlreadyStored, BookEntry duplicateFile)
{
var fileName = Path.Combine(Directory.GetParent(Directory.GetCurrentDirectory()).Parent.FullName, "Log");
fileName = fileName + "\\log.txt";
if (!File.Exists(fileName))
{
using (StreamWriter userWriter = new StreamWriter(fileName))
{
userWriter.WriteLine(DateTime.Now.ToShortDateString() + " " + DateTime.Now.ToLongTimeString());
userWriter.WriteLine(fileAlreadyStored.FileID + " is a duplicate of file: " + duplicateFile.FileID);
userWriter.WriteLine();
}
}
else
{
using (StreamWriter userWriter = File.AppendText(fileName))
{
userWriter.WriteLine(DateTime.Now.ToLongDateString() + " " + DateTime.Now.ToLongTimeString());
userWriter.WriteLine(fileAlreadyStored.FileID + " is a duplicate of file: " + duplicateFile.FileID);
userWriter.WriteLine();
}
}
}
static void Main(string[] args)
{
string enterMoreBooks = "Y";
do
{
BookEntry bookEntry = new BookEntry();
Console.WriteLine("--------------------------------------------------------------------");
Console.WriteLine("----------------------BINARY FILES: BOOKSTORE-----------------------");
Console.WriteLine("--------------------------------------------------------------------\n\n");
Console.WriteLine("Please enter data to the file...\n\n");
//Author
Console.WriteLine("Please enter author name: ");
bookEntry.AuthorName = Console.ReadLine();
//Book title
Console.WriteLine("Please book title: ");
bookEntry.BookTitle = Console.ReadLine();
//Quantity
Console.WriteLine("Please enter the number of books in recieved: ");
string quantity = Console.ReadLine();
Int32 value;
while (!Int32.TryParse(quantity, out value))
{
Console.WriteLine("Please type in a valid number!! ");
quantity = Console.ReadLine();
}
bookEntry.QuantityInStock = Convert.ToInt32(quantity);
//Price
Console.WriteLine("Please enter price: ");
Double priceCheck;
string bookPriceRead = Console.ReadLine();
while (!Double.TryParse(bookPriceRead, out priceCheck))
{
Console.WriteLine("Please type in a valid price!! ");
bookPriceRead = Console.ReadLine();
}
bookEntry.Price = Convert.ToDouble(bookPriceRead);
BinaryReadWriteClass readWrite = new BinaryReadWriteClass();
readWrite.WriteBinary(bookEntry);
readWrite.ReadBinary();
Console.WriteLine("--------------------------------------------------------------------");
Console.WriteLine();
Console.WriteLine("Do you want to enter another book?(Y/N)");
enterMoreBooks = Console.ReadLine();
while (enterMoreBooks.Equals("Y", StringComparison.InvariantCultureIgnoreCase) == false && enterMoreBooks.Equals("N", StringComparison.InvariantCultureIgnoreCase) == false)
{
Console.WriteLine("Please type in Y or N!! ");
enterMoreBooks = Console.ReadLine();
}
} while (enterMoreBooks.Equals("N", StringComparison.InvariantCultureIgnoreCase) == false);
Console.WriteLine("\n\n..........................................................................");
Console.WriteLine("................GOODBYE. THANKS FOR USING BOOKSTORE APP.................... ");
Console.WriteLine("............................................................................\n\n");
Console.WriteLine("Press any key to close!!");
Console.ReadKey();
}
