public static List <string> ReprintZebraLabels(List <Guid> fileGuids, int personId, List <int> selectedAttendanceIds, Control control, System.Web.HttpRequest request, string printerAddress = null)
{
ReprintLabelOptions reprintLabelOptions;
if (printerAddress.IsNotNullOrWhiteSpace())
{
reprintLabelOptions = new ReprintLabelOptions
{
ServerPrinterIPAddress = printerAddress,
PrintFrom = PrintFrom.Server
};
}
else
{
reprintLabelOptions = new ReprintLabelOptions
{
ServerPrinterIPAddress = null,
PrintFrom = null
};
}
return(ReprintZebraLabels(fileGuids, personId, selectedAttendanceIds, control, request, reprintLabelOptions));
}
/// <summary>
/// Handles printing labels for the given parameters using the
/// label data stored on the AttendanceData model.
/// </summary>
/// <param name="fileGuids">The file guids.</param>
/// <param name="personId">The person identifier.</param>
/// <param name="selectedAttendanceIds">The selected attendance ids.</param>
/// <param name="control">The control.</param>
/// <param name="request">The request.</param>
/// <param name="reprintLabelOptions">The reprint label options.</param>
/// <returns></returns>
public static List <string> ReprintZebraLabels(List <Guid> fileGuids, int personId, List <int> selectedAttendanceIds, Control control, System.Web.HttpRequest request, ReprintLabelOptions reprintLabelOptions)
{
// Fetch the actual labels and print them
var rockContext = new RockContext();
var attendanceService = new Rock.Model.AttendanceService(rockContext);
reprintLabelOptions = reprintLabelOptions ?? new ReprintLabelOptions();
// Get the selected attendance records (but only the ones that have label data)
var labelDataList = attendanceService
.GetByIds(selectedAttendanceIds)
.Where(a => a.AttendanceData.LabelData != null)
.Select(a => a.AttendanceData.LabelData);
var printFromClient = new List <CheckInLabel>();
var printFromServer = new List <CheckInLabel>();
// Now grab only the selected label types (matching fileGuids) from those record's AttendanceData
// for the selected person
foreach (var labelData in labelDataList)
{
var json = labelData.Trim();
// skip if the return type is not an array
if (json.Substring(0, 1) != "[")
{
continue;
}
// De-serialize the JSON into a list of objects
var checkinLabels = JsonConvert.DeserializeObject <List <CheckInLabel> >(json);
// skip if no labels were found
if (checkinLabels == null)
{
continue;
}
// Take only the labels that match the selected person (or if they are Family type labels) and file guids).
checkinLabels = checkinLabels.Where(l => (l.PersonId == personId || l.LabelType == KioskLabelType.Family) && fileGuids.Contains(l.FileGuid)).ToList();
if (reprintLabelOptions.PrintFrom == PrintFrom.Server && reprintLabelOptions.ServerPrinterIPAddress.IsNotNullOrWhiteSpace())
{
// Override the printer by printing to the given printerAddress?
checkinLabels.ToList().ForEach(l => l.PrinterAddress = reprintLabelOptions.ServerPrinterIPAddress);
printFromServer.AddRange(checkinLabels);
}
else if (reprintLabelOptions.PrintFrom == PrintFrom.Client)
{
// Override the printer by printing to the client
// send the checkin labels to ZebraPrint.js, which the ClientApp will use to print it
// IP Address of the printer will stay the same IP Address as where the original label was,
printFromClient.AddRange(checkinLabels);
}
else
{
// Print to label's printer
printFromClient.AddRange(checkinLabels.Where(l => l.PrintFrom == Rock.Model.PrintFrom.Client));
printFromServer.AddRange(checkinLabels.Where(l => l.PrintFrom == Rock.Model.PrintFrom.Server));
}
}
// Print client labels
if (printFromClient.Any())
{
var urlRoot = string.Format("{0}://{1}", request.UrlProxySafe().Scheme, request.UrlProxySafe().Authority);
/*
* // 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["X-Original-Host"] != null )
* {
* var scheme = request.Headers["X-Forwarded-Proto"] ?? "http";
* urlRoot = string.Format( "{0}://{1}", scheme, request.Headers.GetValues( "X-Original-Host" ).First() );
* }
*/
printFromClient
.OrderBy(l => l.PersonId)
.ThenBy(l => l.Order)
.ToList()
.ForEach(l => l.LabelFile = urlRoot + l.LabelFile);
AddLabelScript(printFromClient.ToJson(), control);
}
var messages = new List <string>();
// Print server labels
if (printFromServer.Any())
{
messages = ZebraPrint.PrintLabels(printFromServer);
}
// No messages is "good news".
if (messages.Count == 0)
{
messages.Add("The labels have been printed.");
}
return(messages);
}