/// <summary>
/// Coin is valid if in range of weight and diameter
/// </summary>
/// <param name="coin"></param>
/// <param name="standardCoinMetrics"></param>
/// <returns></returns>
private static bool IsValidCoin(SampleCoin coin, StandardCoinMetrics standardCoinMetrics)
{
Debug.Assert(coin != null, "coin != null");
Debug.Assert(standardCoinMetrics != null);
var actWeight = coin.WeightGrams;
var actDiameter = coin.DiameterMm;
var minWeight = standardCoinMetrics.MinWeightGrams;
var maxWeight = standardCoinMetrics.MaxWeightGrams;
var minDiameter = standardCoinMetrics.MinDiameterMm;
var maxDiameter = standardCoinMetrics.MaxDiameterMm;
bool weightOk = (minWeight <= actWeight && actWeight <= maxWeight);
bool diameterOk = (minDiameter <= actDiameter && actDiameter <= maxDiameter);
return(weightOk && diameterOk);
}
/// <summary>
/// Examines coin. If IsValid, then read MatchedName and MatchedValueCents
/// </summary>
/// <param name="coin">Sample coin</param>
public static void ExamineCoin(SampleCoin coin)
{
Debug.Assert(coin != null, "coin may not be null");
// Sets _matchedIndex
_matchedIndex = -1;
for (_matchedIndex = _allCoinMetrics.Length - 1; _matchedIndex >= 0; _matchedIndex--)
{
var item = _allCoinMetrics[_matchedIndex];
if (IsValidCoin(coin, item))
{
break;
}
}
}