/// <summary>
/// Printers the has cutter.
/// </summary>
/// <param name="labels">The labels.</param>
/// <returns></returns>
private static bool PrinterHasCutter(List <CheckInLabel> labels)
{
bool hasCutter = false;
var deviceId = labels.Select(a => a.PrinterDeviceId).FirstOrDefault();
if (deviceId != null)
{
KioskDevice kioskDevice = KioskDevice.Get(deviceId.GetValueOrDefault(), new List <int>());
hasCutter = kioskDevice.Device.GetAttributeValue(Rock.SystemKey.DeviceAttributeKey.DEVICE_HAS_CUTTER).AsBoolean();
}
return(hasCutter);
}
public PrintSessionLabelsResponse PrintSessionLabels([FromUri] string session, [FromUri] int?kioskId = null)
{
List <Guid?> sessionGuids;
//
// The session data is a comma separated list of Guid values.
//
try
{
sessionGuids = session.SplitDelimitedValues()
.Select(a =>
{
var guid = a.AsGuidOrNull();
//
// Check if this is a standard Guid format.
//
if (guid.HasValue)
{
return(guid.Value);
}
return(GuidHelper.FromShortStringOrNull(a));
})
.ToList();
}
catch
{
sessionGuids = null;
}
//
// If no session guids were found or an error occurred trying to
// parse them, then return an error.
//
if (sessionGuids == null || sessionGuids.Count == 0)
{
return(new PrintSessionLabelsResponse
{
Labels = new List <CheckInLabel>(),
Messages = new List <string>
{
"No check-in sessions were specified."
}
});
}
using (var rockContext = new RockContext())
{
KioskDevice printer = null;
//
// If they specified a kiosk, attempt to load the printer for
// that kiosk.
//
if (kioskId.HasValue && kioskId.Value != 0)
{
var kiosk = KioskDevice.Get(kioskId.Value, null);
if ((kiosk?.Device?.PrinterDeviceId).HasValue)
{
//
// We aren't technically loading a kiosk, but this lets us
// load the printer IP address from cache rather than hitting
// the database each time.
//
printer = KioskDevice.Get(kiosk.Device.PrinterDeviceId.Value, null);
}
}
var attendanceService = new AttendanceService(rockContext);
//
// Retrieve all session label data from the database, then deserialize
// it, then make one giant list of labels and finally order it.
//
var labels = attendanceService.Queryable()
.AsNoTracking()
.Where(a => sessionGuids.Contains(a.AttendanceCheckInSession.Guid))
.DistinctBy(a => a.AttendanceCheckInSessionId)
.Select(a => a.AttendanceData.LabelData)
.ToList()
.Select(a => a.FromJsonOrNull <List <CheckInLabel> >())
.Where(a => a != null)
.SelectMany(a => a)
.OrderBy(a => a.PersonId)
.ThenBy(a => a.Order)
.ToList();
foreach (var label in labels)
{
//
// If the label is being printed to the kiosk and client printing
// is enabled and the client has specified their device
// identifier then we need to update the label data to have the
// new printer information.
//
if (label.PrintTo == PrintTo.Kiosk && label.PrintFrom == PrintFrom.Client && printer != null)
{
label.PrinterDeviceId = printer.Device.Id;
label.PrinterAddress = printer.Device.IPAddress;
}
}
var response = new PrintSessionLabelsResponse
{
Labels = labels.Where(l => l.PrintFrom == PrintFrom.Client).ToList()
};
//
// Update any labels to convert the relative URL path to an absolute URL
// path for client printing.
//
if (response.Labels.Any())
{
var urlRoot = Request.RequestUri.GetLeftPart(UriPartial.Authority);
if (Request.Headers.Contains("X-Forwarded-Proto") && Request.Headers.Contains("X-Forwarded-Host"))
{
urlRoot = $"{Request.Headers.GetValues( "X-Forwarded-Proto" ).First()}://{Request.Headers.GetValues( "X-Forwarded-Host" ).First()}";
}
#if DEBUG
// This is extremely useful when debugging with ngrok and an iPad on the local network.
// X-Original-Host will contain the name of your ngrok hostname, therefore the labels will
// get a LabelFile url that will actually work with that iPad.
if (Request.Headers.Contains("X-Forwarded-Proto") && Request.Headers.Contains("X-Original-Host"))
{
urlRoot = $"{Request.Headers.GetValues( "X-Forwarded-Proto" ).First()}://{Request.Headers.GetValues( "X-Original-Host" ).First()}";
}
#endif
response.Labels.ForEach(l => l.LabelFile = urlRoot + l.LabelFile);
}
var printFromServer = labels.Where(l => l.PrintFrom == PrintFrom.Server).ToList();
if (printFromServer.Any())
{
var messages = ZebraPrint.PrintLabels(printFromServer);
response.Messages = messages;
}
return(response);
}
}
