private void bwLoadFingerPrints_DoWork(object sender, DoWorkEventArgs e)
{
if (fingerPrintDB != null)
{
e.Cancel = true;
return;
}
fingerPrintDB = new List<Customer>();
if (AccountManage.customerDT == null)
{
AccountManage.customerDT = new CustomerTableAdapter().GetData();
}
foreach (DataRow row in AccountManage.customerDT.Rows)
{
if (row.Field<bool>("IsActive") && row.Field<byte[]>("FingerPrintIMG") != null
&& row.Field<string>("TypeShortName") != "DF")
{
Customer customer = new Customer()
{
Username = row.Field<string>("Username"),
TypetShortName = row.Field<string>("TypeShortName"),
MealValue = row.Field<int>("MealValue"),
CanDebt = row.Field<bool>("CanDebt"),
CanEatMore = row.Field<bool>("CanEatMore"),
MoreMealValue = row.Field<int?>("MoreMealValue")
};
Fingerprint fp = new Fingerprint();
MemoryStream ms = new MemoryStream(row.Field<byte[]>("FingerPrintIMG"));
Image returnImage = Image.FromStream(ms);
fp.AsBitmap = (Bitmap)returnImage;
customer.Fingerprints.Add(fp);
afis.Extract(customer);
fingerPrintDB.Add(customer);
}
}
e.Result = e.Argument;
}
private void bwStart_DoWork(object sender, DoWorkEventArgs e)
{
DeviceModel device = e.Argument as DeviceModel;
try
{
string path = Application.StartupPath;
BackgroundWorker bw = device.backgroundWokder;
if (device.scheduleMealSetDetailID != null)
{
DeviceControl.setLCDText(device.serial, "Phuc vu suat: " + device.mealSetLabel.ToString());
}
else
{
DeviceControl.setLCDText(device.serial, "Phuc vu suat\ntu do");
}
while (true)
{
Customer cus = new Customer();
string IMGPath = DeviceControl.getImage(device.scannerAddress, bw);
if (bw.CancellationPending)
{
DeviceControl.setLCDText(device.serial, "Da dung lai.");
}
if (IMGPath == null)
{
return;
}
Fingerprint fp = new Fingerprint();
fp.AsBitmapSource = new BitmapImage(new Uri(IMGPath, UriKind.RelativeOrAbsolute));
cus.Fingerprints.Add(fp);
afis.Extract(cus);
Customer matchCus = afis.Identify(cus, fingerPrintDB).FirstOrDefault() as Customer;
if (matchCus == null)
{
DeviceControl.setLCDText(device.serial, "Khong tim thay\nvan tay phu hop");
Thread.Sleep(500);
DeviceControl.setLED(device.serial, 1, true);
Thread.Sleep(1500);
DeviceControl.setLED(device.serial, 1, false);
}
else
{
Bill bill = DataAccess.PayForFood(matchCus, device.eatMoreFlag, device.scheduleMealSetDetailID, device.mealSetName);
DeviceControl.setLCDText(device.serial, matchCus.TypetShortName + ":" + matchCus.Username
+ "\n" + bill.alert);
device.eatMoreFlag = false;
MainForm.transactionViewForm.AddRow(bill);
if (bill.isSuccess)
{
IncreaseTransactinCount();
DeviceControl.setLED(device.serial, 2, true);
}
else
{
DeviceControl.setLED(device.serial, 1, true);
}
Thread.Sleep(1500);
if (bill.isSuccess)
{
DeviceControl.setLED(device.serial, 2, false);
}
else
{
DeviceControl.setLED(device.serial, 1, false);
}
}
}
}
catch (Exception ex)
{
MessageBox.Show("Có lỗi khi lấy vân tay.");
Log.ErrorLog(ex.Message);
return;
}
}
internal static Bill PayForFood(Customer customer, bool eatMoreFlag, int? scheduleMealSetDetailID, string mealSetName)
{
UserInfoTableAdapter userInfoTA = new UserInfoTableAdapter();
DataTable userInfo = userInfoTA.GetUserInfoWithoutFingerPrint(customer.Username);
if (userInfo.Rows.Count != 1)
{
throw new Exception("Can't get User Info.");
}
DateTime lastUpdatedMoney = userInfo.Rows[0].Field<DateTime>("LastUpdatedMoney");
int amountOfMoney = userInfo.Rows[0].Field<int>("AmountOfMoney");
TransactionHistoryTableAdapter transactionHistoryTA = new TransactionHistoryTableAdapter();
int? sumOfMoney = transactionHistoryTA.GetCurrentMoney(customer.Username, lastUpdatedMoney);
if (sumOfMoney == null)
{
sumOfMoney = 0;
}
int curMoney = sumOfMoney.Value + amountOfMoney;
int payMoney = customer.MealValue;
bool isEatMore = false;
if (customer.CanEatMore && eatMoreFlag && customer.MoreMealValue != null)
{
payMoney += customer.MoreMealValue.Value;
isEatMore = true;
}
int remainMoney = curMoney - payMoney;
if (remainMoney < 0)
{
if (!customer.CanDebt)
{
return new Bill()
{
alert = "TK da het tien",
isSuccess = false
};
}
}
DateTime insertedDate = DateTime.Now;
string transactionContent = isEatMore ? "Ăn thêm + " + customer.MoreMealValue.Value : "Ăn";
string TransactionHistoryIDStr = transactionHistoryTA.InsertScalar(customer.Username, 1, (-1) * payMoney, transactionContent
, scheduleMealSetDetailID, true, insertedDate, CTMF_Desktop_App.Forms.MainForm.username, insertedDate).ToString();
int TransactionHistoryID = int.Parse(TransactionHistoryIDStr);
XmlSync.SaveTransactionHistoryXml(TransactionHistoryID, customer.Username, 1, (-1) * payMoney, transactionContent
, scheduleMealSetDetailID, true, insertedDate, CTMF_Desktop_App.Forms.MainForm.username, insertedDate);
return new Bill()
{
username = customer.Username,
transactionContent = transactionContent,
mealSetName = mealSetName,
insertedDate = insertedDate,
isSuccess = true,
alert = "Con lai:" + remainMoney
};
}
