/// <summary>
/// Add a tracker and serial number to the database.
/// </summary>
/// <param name="gatewayEntities"></param>
/// <param name="macAddress">Expected to represent a 32-bit integer in hex format.</param>
/// <param name="serialNumber"></param>
/// <exception cref="System.FormatException">One or both parameters could not be parsed.</exception>
/// <exception cref="System.OverflowException">One or both parameters represented numbers that were too large.</exception>
static void AddTracker(
Gateway.GatewayEntities gatewayEntities,
DateTime batchDate,
int tagNodeId,
string macAddress,
string serialNumber)
{
UInt64 macDummy;
macDummy = UInt64.Parse(macAddress, NumberStyles.AllowHexSpecifier);
// The parsed value is not used but we want the exception thrown for invalid format and overflow.
var tracker = new Gateway.Tracker();
tracker.MobileId = macAddress;
gatewayEntities.AddToTrackers(tracker);
gatewayEntities.SaveChanges();
var serial = new Gateway.SerialNumber();
serial.BatchDate = batchDate;
serial.TheSerialNumber = serialNumber;
serial.SerialNumberTypeId = tagNodeId;
serial.TrackerId = tracker.Id;
gatewayEntities.AddToSerialNumbers(serial);
gatewayEntities.SaveChanges();
}
/// <summary>
/// Send contents of serial, tracker model data directly to the printer.
/// </summary>
void PrintDirect()
{
Gateway.Tracker tracker = ViewModel.GatewayViewModel.Tracker;
Gateway.SerialNumber serialNumber = ViewModel.GatewayViewModel.SerialNumber;
List <Job> jobs = new List <Job>(1);
jobs.Add(GetJobFromEntities(serialNumber, tracker));
PrintJobs(jobs);
}
/// <summary>
/// Create a job entry from serial number and tracker data.
/// </summary>
/// <param name="serialNumber"></param>
/// <param name="tracker"></param>
/// <returns></returns>
private Job GetJobFromEntities(Gateway.SerialNumber serialNumber, Gateway.Tracker tracker)
{
Job j = new Job();
j.AssetId = tracker.MobileId;
j.AssetType = (serialNumber.SerialNumberType == null) ? string.Empty : serialNumber.SerialNumberType.Name;
j.BarCodeText = GetBarCodeText(tracker.MobileId);
j.BarCodeType = Printing.BarCodeType.Code128;
j.BatchDate = serialNumber.BatchDate;
j.DescriptiveTextLines = GetDescriptiveTextLines(ViewModel.GatewayViewModel);
j.SerialNumber = serialNumber.TheSerialNumber;
return(j);
}
/// <summary>
/// Create a job entry from the serial, tracker information and add it to the job list.
/// </summary>
private void AddToQueue()
{
try
{
if (ViewModel == null)
{
return;
}
Gateway.Tracker tracker = ViewModel.GatewayViewModel.Tracker;
Gateway.SerialNumber serialNumber = ViewModel.GatewayViewModel.SerialNumber;
if (tracker == null || serialNumber == null)
{
return;
}
ViewModel.JobListViewModel.JobList.Add(GetJobFromEntities(serialNumber, tracker));
}
catch (Exception ex)
{
HandleGenericError(ex);
}
}
/// <summary>
/// Look for and load serial, tracker information given a serial number.
/// </summary>
/// <returns>True if data was found, False otherwise.</returns>
bool Search()
{
const string tag = ClassName + "Search:";
string searchSerial = ViewModel.SearchViewModel.SerialNumberSearch.SerialNumber;
Trace.TraceInformation(tag + "Serial={0}", searchSerial);
Gateway.GatewayEntities gatewayEntities = GetGatewayEntities();
if (gatewayEntities == null)
{
return(false);
}
var queryResult =
from
s in gatewayEntities.SerialNumbers
where
(s.TheSerialNumber == searchSerial)
select
s;
Gateway.SerialNumber serialFound = null;
Gateway.Tracker trackerFound = null;
if (queryResult != null)
{
try
{
serialFound = queryResult.First();
}
catch (InvalidOperationException)
{
serialFound = null;
}
if (serialFound != null)
{
var trackerQueryResult =
from
t in gatewayEntities.Trackers
where
(t.Id == serialFound.TrackerId)
select
t;
if (trackerQueryResult != null)
{
try
{
trackerFound = trackerQueryResult.First();
}
catch (InvalidOperationException)
{
Trace.TraceError(tag + "Tracker query returned 0 results.");
trackerFound = null;
}
}
}
else
{
Trace.TraceInformation(tag + "Serial query returned 0 results.");
}
}
else
{
Trace.TraceError(tag + "Serial query returned null.");
}
bool returnValue = false;
if (serialFound == null || trackerFound == null)
{
MessageBox.Show(Local.Resources.NoRecordsFound, "", MessageBoxButton.OK, MessageBoxImage.Information);
ViewModel.GatewayViewModel.SerialNumber = null;
ViewModel.GatewayViewModel.Tracker = null;
}
else
{
ViewModel.GatewayViewModel.SerialNumber = serialFound;
ViewModel.GatewayViewModel.Tracker = trackerFound;
returnValue = true;
}
return(returnValue);
}
