private void buttonExe_Click(object sender, EventArgs e)
{
LotteryFormInputData inputData = GenerateInputData();
LotteryFormOutputData outputData = _lotteryController.GenerateLotteryNumber(inputData);
String outputTextString = "";
if (outputData.IsSuccess)
{
outputTextString += "產生成功\r\n";
outputTextString += "抽出號碼為：\r\n";
List <int> numbers = outputData.LotteryNumbers;
for (int i = 0; i < numbers.Count - 1; i++)
{
outputTextString += numbers[i] + ",";
}
outputTextString += numbers.Last() + "\r\n";
if (outputData.HasSpecialNumber)
{
outputTextString += "特別號碼為：" + outputData.SpecialNumber + "\r\n";
}
}
else
{
outputTextString += "產生失敗\r\n";
foreach (String message in outputData.ErrorMessageList)
{
outputTextString += message + "\r\n";
}
}
textBoxResult.Text = outputTextString;
}
public LotteryFormOutputData GenerateLotteryNumber(LotteryFormInputData lotteryFormData)
{
var outputData = new LotteryFormOutputData();
IList <String> errorList;
if (!_inputDataValidator.Validate(lotteryFormData, out errorList))
{
outputData.ErrorMessageList = errorList;
outputData.IsSuccess = false;
//做失敗處理
}
else
{
//因為已經對資料做過驗證，所以不做資料異常的判斷與錯誤處理
IEnumerable <int> gettingNumbers;
EnumNumberSourceType numberSourceType = lotteryFormData.NumberSourceTypeTuple.Item2;
int gettingNumberCount = int.Parse(lotteryFormData.GettingNumberCountTuple.Item2);
bool hasSpecialNumber = lotteryFormData.HasSpecialNumberTuple.Item2;
gettingNumberCount = hasSpecialNumber
? gettingNumberCount + 1
: gettingNumberCount;
if (numberSourceType == EnumNumberSourceType.Count)
{
int sourceNumberCount = int.Parse(lotteryFormData.SourceNumberCountTuple.Item2);
gettingNumbers = _generateNumbersService.GenerateRandomsNumbersByCount(sourceNumberCount,
gettingNumberCount);
}
else
{
int startNumber = int.Parse(lotteryFormData.StartNumberTuple.Item2);
int endNumber = int.Parse(lotteryFormData.EndNumberTuple.Item2);
gettingNumbers = _generateNumbersService.GenerateRandomNumbersByNumberRange(startNumber, endNumber,
gettingNumberCount);
}
List <int> randomList = gettingNumbers.ToList();
if (hasSpecialNumber)
{
//取出亂數一開始的寫法是
//取出的亂數結果本身是沒有經過排序的
//所以隨便取固定位置(如第一個)就可以了
//但是取出亂數的實作方式應該要是可以改變的
//不該假定結果一定沒有排序過
//所以這裡還是用比較麻煩的方式:使用亂數抽一個數出來當特別號
int removeIndex = _random.Next(randomList.Count);
int specialNumber = randomList[removeIndex];
//這裡不驗證是否移除成功
randomList.RemoveAt(removeIndex);
outputData.HasSpecialNumber = true;
outputData.SpecialNumber = specialNumber;
}
else
{
outputData.HasSpecialNumber = false;
}
randomList.Sort();
outputData.LotteryNumbers = randomList;
//計算結果
outputData.IsSuccess = true;
}
return(outputData);
}
