/// <summary>
/// Either retrieve an existing aircraft or create a new one
/// </summary>
/// <param name="userName"></param>
/// <returns></returns>
private async Task <Aircraft> RetrieveOrCreateAircraft(string userName)
{
Aircraft aircraft = null;
// Retrieve the aircraft details from the cache
string key = GetCacheKey(AircraftDetailsKeyPrefix, userName);
AircraftDetailsViewModel details = _cache.Get <AircraftDetailsViewModel>(key);
if (details != null)
{
// If this is a sighting for an existing aircraft, just return it.
// Otherwise, we need to create a new aircraft
if (details.AircraftId > 0)
{
aircraft = await _aircraft.GetAircraftByIdAsync(details.AircraftId ?? 0);
}
else
{
if ((details.ManufacturerId ?? 0) == 0)
{
// With no manufacturer selected, we're creating a new manufacturer and model
Manufacturer manufacturer = await _manufacturers.AddManufacturerAsync(details.NewManufacturer);
Model model = await _models.AddModelAsync(details.NewModel, manufacturer.Id);
details.ModelId = model.Id;
}
else if ((details.ModelId ?? 0) == 0)
{
// With no model selected, we're creating a new model for the selected manufacturer
Model model = await _models.AddModelAsync(details.NewModel, details.ManufacturerId ?? 0);
details.ModelId = model.Id;
}
// Create the aircraft
int manufactured = DateTime.Now.Year - (details.Age ?? 0);
aircraft = await _aircraft.AddAircraftAsync(details.Registration, details.SerialNumber, manufactured, details.ModelId ?? 0);
}
}
return(aircraft);
}
public async Task <IActionResult> Add(AddModelViewModel model)
{
if (ModelState.IsValid)
{
Model aircraftModel = await _models.AddModelAsync(model.Name, model.ManufacturerId);
ModelState.Clear();
model.Clear();
model.Message = $"Model '{aircraftModel.Name}' added successfully";
}
List <Manufacturer> manufacturers = await _manufacturers.GetManufacturersAsync();
model.SetManufacturers(manufacturers);
return(View(model));
}