/// <summary>
/// Get UserId via UserName
/// </summary>
/// <param name="UserName"></param>
/// <returns></returns>
public string GetUserId(string UserName)
{
string UserId = string.Empty;
if (UserTable.ContainsKey(UserName))
{
UserId = UserTable[UserName].Id;
}
return(UserId);
}
/// <summary>
/// Since balance is the only mutuable property in user, update User means update balance.
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public enumStatus UpdateUser(User user)
{
string jsonDoc = user.ToString();
try
{
lock (syncRoot)
{
if (!Users.ContainsKey(user.Id) || !UserTable.ContainsKey(user.UserName))
{
return(enumStatus.Error);
}
Users[user.Id] = jsonDoc;
UserTable[user.UserName] = user;
return(enumStatus.BalanceAdjusted);
}
}
catch (Exception ex)
{
ServerLog.LogException(ex, string.Format("Update User: {0}", jsonDoc));
return(enumStatus.BalanceAdjustFailed);
}
}
private void registerButton_Click(object sender, EventArgs e)
{
CurentDataLocked = true;
realSenseProgram.Paush();//暫停影像更新
//按下註冊瞬間的名稱
var onClickName = CurrentName;
var registerForm = new RegisterForm()
{
UserName = onClickName,
Picture = FaceImage
};
if (registerForm.ShowDialog() != DialogResult.OK)
{
realSenseProgram.UnPaush();
return;
}
int?registedUserId = null;
if (UserTable.ContainsValue(registerForm.UserName))
{
//重複項目，選取使用者後registedUserId
Dictionary <int, Image> mapping = new Dictionary <int, Image>();
var userIds = UserTable.Where(x => x.Value == registerForm.UserName).Select(x => x.Key).ToArray();
for (int i = 0; i < userIds.Length; i++)
{
mapping[userIds[i]] =
FaceData.Where(x =>
x.ForeignKey == userIds[i]).FirstOrDefault()?.Image;
if (mapping[userIds[i]] == null)
{
mapping[userIds[i]] = new Bitmap(128, 128);
using (Graphics g = Graphics.FromImage(mapping[userIds[i]])) {
g.DrawString("找不到圖片", new Font("Arial", 16), Brushes.Black, 0, 0);
}
}
}
var dupForm = new DuplicateUserForm()
{
IdFaceMapping = mapping
};
if (dupForm.ShowDialog() == DialogResult.OK)
{
registedUserId = dupForm.UserId;
}
}
//註冊並寫入資料庫
var userId = Current.RegisterUser();
if (userId == -1)
{
MessageBox.Show(
"註冊過程出現異常，請再嘗試一次",
"註冊失敗", MessageBoxButtons.OK,
MessageBoxIcon.Error);
CurentDataLocked = false;
realSenseProgram.UnPaush();
return;
}
//取得資料庫緩衝區
var buffer =
CurrentData.QueryRecognitionModule()
.GetDatabaseBuffer();
FaceData = RecognitionFaceData
.FromDatabaseBuffer(buffer);
//有選擇使用者，但是註冊後ID不合，修正ID
if (registedUserId.HasValue && userId != registedUserId.Value)
{
var userItem = FaceData.Last();
userItem.ForeignKey = registedUserId.Value;
userId = userItem.ForeignKey;
FaceDatabaseManager.UpdateBuffer(buffer, userItem);
//FaceDatabaseManager.ClearRemovedBuffer(buffer);
realSenseProgram.recognitionConfig
.SetDatabaseBuffer(buffer);
realSenseProgram.moduleConfiguration.ApplyChanges();
}
else if (!registedUserId.HasValue && UserTable.ContainsKey(userId))
{
//新建使用者，但是UserID指向了現有使用者
var userItem = FaceData.Last();
//新建使用者ID
userItem.ForeignKey = UserTable.ToArray().Select(x => x.Key).Max() + 1;
userId = userItem.ForeignKey;
FaceDatabaseManager.UpdateBuffer(buffer, userItem);
//FaceDatabaseManager.ClearRemovedBuffer(buffer);
realSenseProgram.recognitionConfig
.SetDatabaseBuffer(buffer);
realSenseProgram.moduleConfiguration.ApplyChanges();
}
UserTable[userId] = registerForm.UserName;
realSenseProgram.UnPaush();//暫停影像更新
CurentDataLocked = false;
}