// Method finding particular key specified by user:
protected virtual void ShowSpecifiedKey()
{
DialogBoxFactory dialogFactory = new DialogBoxFactory();
RequestDialogBox dialogBox;
RoomKey key;
string id;
// dialog box building part:
dialogFactory.HeaderMessage = "Proszę podać numer szukanego klucza.";
dialogFactory.RequestedParameters = new List <string>()
{
"Numer Identyfikacyjny"
};
dialogFactory.DefaultValuesForRequestedParameters = new List <string>();
dialogFactory.CorrespondingRules = new List <ValidationRules> {
ValidationRules.StringTyped4DigitCode
};
dialogBox = dialogFactory.GetRequestDialogBox();
// dialog box handling part:
if ((bool)dialogBox.ShowDialog())
{
id = dialogBox[0];
}
else
{
return;
}
// data access part
try
{
key = _queryProvider.GetRoomKeyByIdAsync(id).Result;
}
catch (Exception e)
{
SendTabNotification(new TabNotificationSentEventArgs()
{
Message = e.Message
});
return;
}
// data validation part:
if (key == null)
{
DialogBoxFactory.GetInfoBox($"Brak wyników. Klucz o numerze: {id} nie istnieje w Bazie.").Show();
ResetKeysCollection();
}
else
{
ResetKeysCollection(new List <RoomKey>()
{
key
});
}
ResetPresentedDetail();
}
// Handover room key procedure algorithm:
protected virtual void HandoverTheKey()
{
RoomKey searchedKey;
string requestedKeyId = UI_RequestId("Proszę podać numer klucza:"); // requesting an id parameter
if (requestedKeyId == null) // Triggers when user cancels providing requested informations.
{
DialogBoxFactory.GetInfoBox("Procedura anulowana!").Show();
return;
}
try // potential exception handler
{
searchedKey = _dataQueryProvider.GetRoomKeyByIdAsync(requestedKeyId).Result;
}
catch (Exception e)
{
SendTabNotification(new TabNotificationSentEventArgs()
{
Message = e.Message
});
return;
}
if (searchedKey == null) // Triggers when user provided wrong key id.
{
DialogBoxFactory.GetInfoBox("Klucz nie został odnaleziony w Bazie.").Show();
return;
}
else if (searchedKey.AssignedEmployee_Id != null) // Triggers when user provided id of key which was already handovered.
{
DialogBoxFactory.GetInfoBox("Klucz został już wydany innemu pracownikowi.").Show();
return;
}
else // Triggers when user provided correct key id and key was found on gatehouse.
{
try // potential exception handler
{
_dataCommandProvider.HandOverTheRoomKeyToEmployeeAsync(searchedKey, RegisteredEmployee.GetRegisteredEmployee()).Wait();
}
catch (Exception e)
{
SendTabNotification(new TabNotificationSentEventArgs()
{
Message = e.Message
});
return;
}
DialogBoxFactory.GetInfoBox("Wydano klucz!").Show(); // Handover key operation confirmation.
}
RegisteredEmployee.RefreshHeldKeys(DB_RequestEmployeesOwnedKeys(RegisteredEmployee.GetRegisteredEmployee())); // Refresh information about taken keys by registered employee.
RaisePropertyChangedEvent(nameof(RegisteredEmployee)); // Informing the view.
}