public void ScanBook(Image bookImage, ScannerDataProvider scannerData, User user)
{
scannerData.ResetData();
try
{
BarcodeDecoder Scanner = new BarcodeDecoder();
Result scannerResult = Scanner.Decode(new Bitmap(bookImage));
scannerData.isbn = scannerResult.Text;
if (scannerResult.Text.Length == 13)
{
CheckISBN(scannerResult.Text, 13, scannerData, user);
}
else if (scannerResult.Text.Length == 10)
{
CheckISBN(scannerResult.Text, 10, scannerData, user);
}
else
{
scannerData.wrongCode = true;
}
}
catch (MessagingToolkit.Barcode.NotFoundException)
{
scannerData.barcodeNotFound = true;
}
}
public async void CheckISBN(string isbn, int isbnLength, ScannerDataProvider scannerData, User user)
{
await GetBookInDataView(isbn, isbnLength, scannerData, user);
//jei knyga rasta, tai atidarom langa su informacija apie ja, jei knyga nerasta praso ieskoti vel.
if (scannerData.bookData.Count == 1)
{
scannerData.bookNotFound = true;
}
}
public Task GetBookInDataView(string isbn, int isbnLength, ScannerDataProvider scannerData, User user)
{
return(Task.Factory.StartNew(() =>
{
SQLConnection.AddISBNToHistory(user.Id, isbn);
DataTable bookData = SQLConnection.GetAllBooksInDataTable();
var bookInformation = from book in bookData.AsEnumerable() where book.Field <string>("ISBN" + isbnLength) == isbn select book;
scannerData.bookData = bookInformation.AsDataView();
}));
}
