public Transaction(Docket docket, List<Order> orders)
{
this.docket = docket;
this.orders = orders;
payTime = DateTime.Now;
}
//add a new docket by splitting into partial docket and calling addPartialDocket
private void addDocket(Docket docketToAdd)
{
//check if docket already exist;
Docket existingDocket = null;
foreach (Docket docket in this.dockets) {
if (docketToAdd.DocketNumber == docket.DocketNumber) {
existingDocket = docket;
break;
}
}
if (existingDocket != null) {
this.removeExistingDocket(existingDocket);
}
this.dockets.Add(docketToAdd);
List<BindingList<object>> partialDocketsToAdd = this.extractPartialDocketsToAdd(docketToAdd);
//clasifying partialDocket to add to corresponding partialDocket list;
foreach (BindingList<object> partialDocket in partialDocketsToAdd) {
//check if partialDocket is done
bool done = getPartialDocketState(partialDocket);
if (done) this.addPartialDocket(partialDocket, true);
else this.addPartialDocket(partialDocket, false);
}
this.refreshPage();
this.refreshListDataSource();
this.receiveDone.Set();
}
public SelectPayForm(Docket docket, BindingList<Order> orders, NgopiPrinter ngopiPrinter, BindingList<Transaction> transactions)
{
InitializeComponent();
this.orders = orders;
this.docket = docket;
this.ngopiPrinter = ngopiPrinter;
this.transactions = transactions;
foreach (Order order in orders) {
if (!order.Paid) {
orderListBox.Items.Add(order);
}
}
}
//toggle done state of an order and inform the server.
private void toggleOrderDone(Order order, Docket ownerDocket, BindingList<object> partialDocket)
{
bool curState = getPartialDocketState(partialDocket);
order.ToggleDone();
this.sendDoneCommand(ownerDocket, order);
bool newState = getPartialDocketState(partialDocket);
if (curState != newState) {
setPartialDocketState(newState, partialDocket);
this.refreshPage();
this.refreshListDataSource();
}
}
//send done command of an order
private void sendDoneCommand(Docket docket, Order order)
{
List<byte> data = new List<byte>();
int docketNumber = docket.DocketNumber;
int index = docket.Orders.IndexOf(order);
DoneCommand command = new DoneCommand(docketNumber, index);
IFormatter formatter = new BinaryFormatter();
Stream stream = new MemoryStream();
formatter.Serialize(stream, command);
byte[] res = ((MemoryStream)stream).ToArray();
int sendLength = res.Length;
byte[] length = BitConverter.GetBytes(sendLength);
data.AddRange(length);
data.AddRange(res);
this.state.WorkSocket.Send(data.ToArray());
}
//remove the existing docket and corresponding partialDocket
private void removeExistingDocket(Docket existingDocket)
{
this.dockets.Remove(existingDocket);
List<int> indexToRemove = new List<int>();
//finding corresponding partialDocket
foreach (BindingList<object> partialDocket in this.partialDocketsOngoing) {
Docket selectedDocket = (Docket)partialDocket[0];
if (selectedDocket == existingDocket) indexToRemove.Add(this.partialDocketsOngoing.IndexOf(partialDocket));
}
//and removing it
foreach (int index in indexToRemove) {
this.partialDocketsOngoing.RemoveAt(index);
}
//do the same thing to partialDocketsHistory
indexToRemove.Clear();
foreach (BindingList<object> partialDocket in this.partialDocketsHistory) {
Docket selectedDocket = (Docket)partialDocket[0];
if (selectedDocket == existingDocket) indexToRemove.Add(this.partialDocketsHistory.IndexOf(partialDocket));
}
foreach (int index in indexToRemove) {
this.partialDocketsHistory.RemoveAt(index);
}
}
//process header
private void processResponseHeader()
{
this.response = null;
byte[] byteSize = new byte[4];
this.responseType = this.tempBuffer[0];
for (int i = 1; i < 5; i++) byteSize[i - 1] = this.tempBuffer[i];
this.totalSize = BitConverter.ToInt32(byteSize, 0);
this.tempBuffer.RemoveRange(0, 5); //removing the header
}
//process the content of response
private void processResponse(Socket handler)
{
Stream stream = new MemoryStream();
stream.Write(this.tempBuffer.ToArray(), 0, this.totalSize);
stream.Position = 0;
IFormatter formatter = new BinaryFormatter();
//process response
if (this.responseType == 0) { //if it's a docket
this.Invoke((ThreadStart)delegate {
this.response = (Docket)formatter.Deserialize(stream);
stream.Close();
this.addDocket(this.response);
this.receiveDone.WaitOne();
});
SoundPlayer notificationSound = new SoundPlayer("notification.wav");
notificationSound.Play();
} else if (this.responseType == 1) { //if it's a string message
this.message = (string)formatter.Deserialize(stream);
stream.Close();
this.BeginInvoke((ThreadStart)delegate {
this.messageListBox.Items.Add(this.message);
this.messageListBox.SelectedIndex = this.messageListBox.Items.Count - 1;
this.notificationTimer.Start();
this.notificationButton.Visible = true;
});
SoundPlayer notificationSound = new SoundPlayer("notification.wav");
notificationSound.Play();
} else if (this.responseType == 2) { //close command
handler.Shutdown(SocketShutdown.Both);
handler.Close();
this.FormClosing -= MainForm_FormClosing;
this.BeginInvoke((ThreadStart)delegate {
this.Close();
});
} else {
this.BeginInvoke((ThreadStart)delegate {
MessageBox.Show("Error: Unknow type of response");
});
}
}
//split docket into partialdockets;
private List<BindingList<object>> extractPartialDocketsToAdd(Docket docketToAdd)
{
List<BindingList<object>> partialDocketsToAdd = new List<BindingList<object>>();
//adding partialDockets of non take away order;
int numberOfLines = 3;
BindingList<object> newPartialDocket = new BindingList<object>();
newPartialDocket.Add(docketToAdd);
foreach (Order order in docketToAdd.Orders) {
if (!order.TakeAway && order.ItemOrder.SendTo == Item.Destination.Kitchen) {
numberOfLines += order.Length;
if (numberOfLines > this.countMaxLine()) {
partialDocketsToAdd.Add(newPartialDocket);
numberOfLines = 3 + order.Length;
newPartialDocket = new BindingList<object>();
newPartialDocket.Add(docketToAdd);
}
newPartialDocket.Add(order);
}
}
if (newPartialDocket.Count > 1)
partialDocketsToAdd.Add(newPartialDocket);
//do the same for take away order
numberOfLines = 3;
newPartialDocket = new BindingList<object>();
newPartialDocket.Add(docketToAdd);
foreach (Order order in docketToAdd.Orders) {
if (order.TakeAway && order.ItemOrder.SendTo == Item.Destination.Kitchen) {
numberOfLines += order.Length;
if (numberOfLines > this.countMaxLine()) {
partialDocketsToAdd.Add(newPartialDocket);
numberOfLines = 3 + order.Length;
newPartialDocket = new BindingList<object>();
newPartialDocket.Add(docketToAdd);
}
newPartialDocket.Add(order);
}
}
if (newPartialDocket.Count > 1)
partialDocketsToAdd.Add(newPartialDocket);
return partialDocketsToAdd;
}