public async Task <IActionResult> NewAntennaAsync(Antenna antenna_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);
/*we can also use below lines to get correct data
* Data d = new Data();
* Program.data.TryGetValue(sessionID, out d);*/
Data current = new Data();
foreach (KeyValuePair <Guid, Data> sds in Program.data)
{
if (sds.Key.Equals(sessionID))
{
current = sds.Value;
}
}
//control if current did not came
if (current.Receiver == null)
{
//it is an error
return(RedirectToAction("NewReceiver", "Receiver"));
}
//handling user-may-occur mistakes
if (antenna_temp.type.StartsWith("Select"))
{
current.message = "Please select Type";
current.LastAntenna = antenna_temp;
Program.data.Remove(sessionID);
Program.data.Add(sessionID, current);
return(RedirectToAction("Preliminary", "Antenna"));
}
//if our antenna does not have a user friendly name we give it a default name with the code below.
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(antenna_temp.name))
{
String transmitter_or_receiver_name = null;
//if it is a transmitter antenna define it as a transmitter antenna in its name
if (antenna_temp.duty.ToLower().Equals("transmitter"))
{
transmitter_or_receiver_name = current.Transmitter.name;
}
//if it is a receiver or multi tasked antenna define it as a receiver in its name
else
{
transmitter_or_receiver_name = current.Receiver.name;
}
//this statement is for seperating receiver and multi-tasked antennas
if (antenna_temp.duty.ToLower().Equals("both"))
{
def_name = "Monostatic radar Antenna with receiver name: " + transmitter_or_receiver_name;
}
else
{
def_name = transmitter_or_receiver_name + "s Antenna";
}
isNamed = true;
}
else
{
def_name = antenna_temp.name;
}
//end of naming
Guid key = Guid.NewGuid();
Antenna antenna = new Antenna();
//if the antenna is both receiver and transmitter antenna give it a receiver and a transmitter id
//Because we need a transmitter before adding an antenna which serves as transmitter antenna we should create its transmitter first.
//After create a transmitter we can insert our antenna to database
//all of the insertions will execute in goToRadar and Done methods
if (antenna_temp.duty.Equals("both"))
{
antenna = new Antenna(key, def_name, antenna_temp.type, antenna_temp.horizontal_beamwidth, antenna_temp.vertical_beamwidth, antenna_temp.polarization, antenna_temp.number_of_feed, antenna_temp.horizontal_dimension, antenna_temp.vertical_dimension, antenna_temp.duty, null, current.Receiver.ID, antenna_temp.location);
antenna.Isnamed = isNamed;
current.message = "New Antenna added to record list";
current.ListOfAntennas.Add(antenna);
}
//if the antenna is a receiver antenna give it a receiver id to build a relationship between antenna and its receiver
else if (antenna_temp.duty.Equals("receiver"))
{
antenna = new Antenna(key, def_name, antenna_temp.type, antenna_temp.horizontal_beamwidth, antenna_temp.vertical_beamwidth, antenna_temp.polarization, 1, antenna_temp.horizontal_dimension, antenna_temp.vertical_dimension, antenna_temp.duty, null, current.Receiver.ID, antenna_temp.location);
antenna.Isnamed = isNamed;
current.message = "New Antenna added to record list";
current.ListOfAntennas.Add(antenna);
}
//if the antenna is a transmitter antenna define it's transmitter with giving an attribute transmitter id
else
{
Guid transmitter_id = current.Transmitter.ID;
antenna = new Antenna(key, def_name, antenna_temp.type, antenna_temp.horizontal_beamwidth, antenna_temp.vertical_beamwidth, antenna_temp.polarization, antenna_temp.number_of_feed, antenna_temp.horizontal_dimension, antenna_temp.vertical_dimension, antenna_temp.duty, transmitter_id, null, antenna_temp.location);
antenna.Isnamed = isNamed;
current.message = "New Antenna added to record list";
current.ListOfAntennas.Add(antenna);
}
if (antenna_temp.ComeFromAdd)
{
current.message = "New Antenna added to database";
try
{
_session.BeginTransaction();
await _session.SaveAntenna(antenna);
await _session.Commit();
}
catch (Exception e)
{
// log exception here
current.message = e.Message.ToString() + " Error, plase check your database connection and restart your program, Do not forgett to delete uneccessary transmitter and receiver";
await _session.Rollback();
return(RedirectToAction("Preliminary", "Antenna"));
}
finally
{
_session.CloseTransaction();
}
}
current.LastAntenna = antenna_temp;
return(RedirectToAction("Preliminary", "Antenna"));
}