/* The DoorDash confirm api is a GET request, so we make that request
* to confirm the DoorDash order, then we call the callback function with
* the orderContainer and the retrieved HttpStatus code to update the UI.
*/
public static async Task ConfirmDoorDashOrder(OrderContainer orderCon, ConfirmOrderCallBack cb)
{
string apiURL = orderCon.Order.ConfirmURL;
HttpResponseMessage res = await client.GetAsync(apiURL);
cb(orderCon, res.StatusCode);
return;
}
/* The GrubHub confirm api is a POST request, so we make that request
* to confirm the GrubHub order, then we call the callback function with
* the orderContainer and the retrieved HttpStatus code to update the UI.
*/
public static async Task ConfirmGrubHubOrder(OrderContainer orderCon, ConfirmOrderCallBack cb)
{
string apiURL = orderCon.Order.ConfirmURL;
//The 2nd StringContent param is required for PostAsync, it doesn't seem to do anything though
HttpResponseMessage res = await client.PostAsync(apiURL, new StringContent(""));
cb(orderCon, res.StatusCode);
return;
}
/* "E:T4FORM4.ZPL" Item Template
* --------------------------------------------
* Index|CharLimit|FieldName | Example
* 1 | 8 |"Item Count" |"100/100"
* 2 | 10 |"Service" |"GrubHub"
* 3 | 20 |"Customer Name" |
* 4 | 15 |"Label Name" |
* 5 | 40 |"Item Name" |
* 6 | 5 |"Size" |"Large"
* 7 | 3 |"Temperature" |"Hot"
* 8 | 6 |"Ice Level" |"80% I"
* 9 | 6 |"Sugar Level" |"50% S"
* 10 | 14 |"Milk Subsitution"|"Whole Milk Sub"
* 11 | 40 |"Toppings" |"Pearls, Pudding,"
* 12 | 48 |"Special Instructions1"
* 13 | 48 |"Special Instructions2"
*/
public static bool PrintOrder(OrderContainer orderCon)
{
string[][] items = orderCon.OrderArray;
bool printStatus = true;
Debug.WriteLine("START: PrintOrder()");
try {
if (printerConn == null)
{
//Get the connection to the printer driver
printerConn = FindConnection();
if (printerConn == null)
{
orderCon.PrintStatus = "Error: Printer not detected";
Debug.WriteLine("Error: Printer not detected");
return(false);
}
}
//We try to open the connection
try {
printerConn.Open();
} catch (Exception e) {
Debug.WriteLine("Error: Cannot open connection" + e.Message);
orderCon.PrintStatus = "Error: Cannot open connection";
return(false);
}
//The connection is open, so we get the instance of the printer and try to print
try {
ZebraPrinter printer = ZebraPrinterFactory.GetInstance(PrinterLanguage.ZPL, printerConn);
Debug.WriteLine("PrinterOrder() - got printer instance");
for (int i = items.Length - 1; i > -1; i--)
{
printer.PrintStoredFormat(PrintTemplatePath, items[i]);
}
}catch (Exception e) {
Debug.WriteLine("Error: " + e.Message);
try {
//We check the status of the printer to see why it failed, which takes a long time without a UsbStatus channel
//which is why we only check if printing fails
string status = CheckPrinterStatus(printerConn);
if (status != "true")
{
Debug.WriteLine(status);
orderCon.PrintStatus = status;
return(false);
}
}catch (Exception e2) {
Debug.WriteLine("Error: " + e2.Message);
orderCon.PrintStatus = "Error: Connection error";
return(false);
}
}finally {
printerConn.Close();
}
} catch (ConnectionException e) {
Debug.WriteLine($"Error discovering local printers: {e.Message}");
orderCon.PrintStatus = "Error: Can't discover local printers";
printStatus = false;
}
return(printStatus);
}
