public async System.Threading.Tasks.Task <IActionResult> NewTransmitter(Transmitter transmitter_temp)
{
//handling user-may-occur mistakes
if (transmitter_temp.modulation_type.StartsWith("Select"))
{
ViewData["message"] = "Please fill the modulation type";
return(View(transmitter_temp));
}
//get session id (we will use it when updating data and handling errors)
sessionID_s = HttpContext.Session.GetString("Session");
sessionID = Guid.Parse(sessionID_s);
Data current = new Data();
foreach (KeyValuePair <Guid, Data> sds in Program.data)
{
if (sds.Key.Equals(sessionID))
{
current = sds.Value;
}
}
//If the transmitter name is null we give a default name that specifies its number
String def_name = null;
//because we change the default name after the Radar added we we should keep it in mind to it is a default given name
bool isNamed = false;
if (String.IsNullOrEmpty(transmitter_temp.name))
{
int count = 0;
try
{
count = await _session.GetTransmitterNumber();
}
catch (Exception e)
{
// log exception here
ViewData["message"] = e.Message.ToString() + " Error";
await _session.Rollback();
count = -1;
return(View(transmitter_temp));
}
finally
{
_session.CloseTransaction();
}
def_name = "Transmitter " + count;
//keep it in mind
isNamed = true;
}
else
{
def_name = transmitter_temp.name;
}
Guid key = Guid.NewGuid();
Transmitter transmitter = new Transmitter(key, def_name, transmitter_temp.modulation_type, transmitter_temp.max_frequency, transmitter_temp.min_frequency, transmitter_temp.power);
transmitter.Isnamed = isNamed;
//save our transmitter to database
try
{
_session.BeginTransaction();
await _session.SaveTransmitter(transmitter);
await _session.Commit();
}
catch (Exception e)
{
// log exception here
ViewData["message"] = e.Message.ToString() + " Error";
await _session.Rollback();
return(View(transmitter));
}
finally
{
_session.CloseTransaction();
}
//Add our transmitter to Data model and update the dictionary so we can use its id when we're adding Radar entity
current.Transmitter = transmitter;
return(RedirectToAction("Preliminary", "Antenna"));
}