public async Task <bool> Delete(string type, int id)
{
int numOfChanges = 0;
int numOfExpectedChanges = 1;//for our VehicleMake record
//A bit of duplicate looking code, but we want to make sure the type matches
// a case before we do any work, and we want to make sure work has been done
// before we save any changes.
switch (type)
{
case "make":
{
VehicleMake makeToDelete = await _vehicleMakeRepository.GetAsync(id);
IEnumerable <VehicleModel> modelsToDelete = await _vehicleModelRepository.FindAsync(x => x.VehicleMakeId == id);
if (makeToDelete != null)
{
numOfExpectedChanges += modelsToDelete.Count();
_vehicleMakeRepository.Remove(makeToDelete);
_vehicleModelRepository.RemoveRange(modelsToDelete);
numOfChanges = await _vehicleMakeRepository.SaveChangesAsync();
}
break;
}
case "model":
{
VehicleModel delete = await _vehicleModelRepository.GetAsync(id);
if (delete != null)
{
numOfExpectedChanges = 1;
_vehicleModelRepository.Remove(delete);
numOfChanges = await _vehicleMakeRepository.SaveChangesAsync();
}
break;
}
}
//if we delete what we expect to delete
return(numOfChanges == numOfExpectedChanges);
}
