public bool AddHybridToList(Hybrid hybrid)
{
int startingCount = _listofHybrids.Count;
_listofHybrids.Add(hybrid);
bool wasAdded = (_listofHybrids.Count > startingCount) ? true : false;
return(wasAdded);
}
public bool UpdateExistingHybrids(string originalModel, Hybrid newHybrid)
{
Hybrid oldHybrid = GetHybridByModel(originalModel);
if (oldHybrid != null)
{
oldHybrid.Make = newHybrid.Make;
oldHybrid.Model = newHybrid.Model;
oldHybrid.FuelEfficiency = newHybrid.FuelEfficiency;
return(true);
}
else
{
return(false);
}
}
public bool RemoveHybridFromList(string model)
{
Hybrid hybrid = GetHybridByModel(model);
if (hybrid == null)
{
return(false);
}
int initialCount = _listofHybrids.Count();
_listofHybrids.Remove(hybrid);
if (initialCount > _listofHybrids.Count)
{
return(true);
}
else
{
return(false);
}
}