public string this[string propertyName]
{
get
{
var result = string.Empty;
if (propertyName.Equals("Sequence"))
{
var derbyId = _division.DerbyId;
if (derbyId == 0)
{
derbyId = _derbyDataService.GetCurrentDerby().DerbyId;
}
var numberOfDivisionsWithThisSequence = _derbyDataService
.CheckSequenceNumberUnique(derbyId, _division.DivisionId, _division.Sequence);
if (numberOfDivisionsWithThisSequence > 0)
{
result = "Sequence number must be unique. Please select another sequence number.";
}
}
if (result == string.Empty)
{
result = _division[propertyName];
}
IsValid = result == string.Empty;
return(result);
}
}
public RacerViewModel(IDerbyDataService derbyDataService, IDialogService dialogService)
{
_derbyDataService = derbyDataService;
_dialogService = dialogService;
// TODO- update the derby (or at least DerbyId) when a new derby is created
_currentDerby = _derbyDataService.GetCurrentDerby();
LoadData();
LoadCommands();
Messenger.Default.Register <UpdateListMessage>(this, OnUpdateListMessageRecieved);
}
public RacerDetailViewModel(IDerbyDataService derbyDataService)
{
_derbyDataService = derbyDataService;
var currentDerby = _derbyDataService.GetCurrentDerby();
_divisions = _derbyDataService.GetAllDivisionsExceptChampionship(currentDerby.DerbyId);
Messenger.Default.Register <Racer>(this, LoadRacer);
AddDivisionCommand = new CustomCommand(AddDivision, CanAddRemoveDivision);
RemoveDivisionCommand = new CustomCommand(RemoveDivision, CanAddRemoveDivision);
SaveCommand = new CustomCommand(SaveRacer, CanSaveRacer);
SaveAndAddCommand = new CustomCommand(SaveAndAddRacer, CanSaveRacer);
CancelCommand = new CustomCommand(CancelRacer, CanCancel);
}