private void CreateBook()
{
string allBooks = GetBooks();
int id = GetIdValue();
Book newBook = new Book(id, nameTextBox.Text, authorTextBox.Text, publisherTextBox.Text, dateTimePickerPublished.Value);
if (CheckForNullorEmpty(newBook))
{
using (FileStream fStream = new FileStream(tempDir + "BookDetails.csv", FileMode.Open))
{
using (CryptoStream cStream = new CryptoStream(fStream, new AesManaged().CreateEncryptor(_key, _iv), CryptoStreamMode.Write))
{
using (StreamWriter w = new StreamWriter(cStream))
{
var line = string.Format(newBook.Id.ToString() + "," + newBook.Name + "," + newBook.Author + "," + newBook.Publisher + "," + newBook.DatePublished.ToString() + "," + newBook.DatetimeInserted.ToString());
allBooks = allBooks + line;
w.WriteLine(allBooks);
w.Flush();
w.Close();
_bookControl.ReadInBooks();
this.Close();
}
}
}
}
else
{
MessageBox.Show("Invaild Please make sure all fields are filled", "Error", MessageBoxButtons.OK);
}
}
private void UpdateBookChanged()
{
int id = int.Parse(_itemId.SubItems[0].Text);
List <String> lines = new List <String>();
byte[] key = keyClass.GetPrivateKey(_aesEncrypt);
byte[] iv = keyClass.GetIV(_aesEncrypt);
Book newBook = new Book(id, nameTextBox.Text, authorTextBox.Text, publisherTextBox.Text, datePublishedPicker.Value);
if (CheckForNullorEmpty(newBook))
{
using (FileStream fStream = new FileStream(tempDir + "BookDetails.csv", FileMode.Open))
{
using (CryptoStream cStream = new CryptoStream(fStream, new AesManaged().CreateDecryptor(key, iv), CryptoStreamMode.Read))
{
using (StreamReader reader = new StreamReader(cStream))
{
String line;
while ((line = reader.ReadLine()) != null)
{
if (line.Contains(","))
{
String[] split = line.Split(',');
if (split[0].Contains(_itemId.SubItems[0].Text))
{
line = string.Format(newBook.Id.ToString() + "," + newBook.Name + "," + newBook.Author + "," + newBook.Publisher + "," + newBook.DatePublished.ToString() + "," + newBook.DatetimeInserted.ToString());
}
}
lines.Add(line);
}
}
}
}
using (FileStream fStream = new FileStream(tempDir + "BookDetails.csv", FileMode.Open))
{
using (CryptoStream cStream = new CryptoStream(fStream, new AesManaged().CreateEncryptor(key, iv), CryptoStreamMode.Write))
{
using (StreamWriter w = new StreamWriter(cStream))
{
foreach (String line in lines)
{
w.WriteLine(line);
}
}
}
}
_bookControl.ReadInBooks();
this.Close();
}
else
{
MessageBox.Show("Invaild Please make sure all fields are filled", "Error", MessageBoxButtons.OK);
}
}
