private void ValidateAction(IExcangeAction action)
{
int animalCount = GetAnimalCount(action.AnimalFrom);
if (animalCount < action.AnimalFromCount)
{
throw new Exception(string.Format("Action can not be performed. Count of {1} is less then {2}", action.AnimalFrom.Name, animalCount));
}
}
public bool Validate(IExcangeAction action)
{
return((action != null) && TryGetAction(action.AnimalFrom, action.AnimalFromCount, action.AnimalTo, out IExcangeAction newAction, out string errorMessage) && (action.AnimalToCount == newAction.AnimalToCount));
}
public bool TryGetAction(IAnimal animalFrom, int animalFromCount, IAnimal animalTo, out IExcangeAction action, out string errorMessage)
{
action = null;
errorMessage = "";
if ((animalFrom.IsWild) || (animalTo.IsWild))
{
errorMessage = "animals can not be wild";
return(false);
}
int actionToCount = (animalFrom.BasePoints * animalFromCount / animalTo.BasePoints) == 0 ? 0 : 1;
int actionFromCount = actionToCount * animalTo.BasePoints / animalFrom.BasePoints;
if (actionToCount > 0)//!!YH
{
action = new ExcangeAction(animalFrom, actionFromCount, animalTo, actionToCount);
return(true);
}
else
{
errorMessage = "from count can not be transformated into to";
return(false);
}
}
