private void HandleNewTyreSelection(TyrePlacementViewModel tyrePlacementWithNewSelectedTyre)
{
if (tyrePlacementWithNewSelectedTyre.SelectedTyre == null)
{
// Nothing to validate
return;
}
/* Validation rules are as follows:
* • All four tyres should be of the same type (i.e. SuperSoft)
* • Only tyres of the same Family should be placed on the same axle (e.g. if Front Left tyre Family = ‘F1’ then Front Right tyre must also have Family = ‘F1’.
* Rear tyres must be of the same Family but this can be different to the Front tyres, for example, ‘F5’)
* • Incompatible tyre selection(s) should be unselected when a new selection is made that breaks either of the above rules.
*/
var doesNewSelectionMatchFamilyOnAxle = IsNewTyreOnSameAxleSameFamily(tyrePlacementWithNewSelectedTyre);
if (!doesNewSelectionMatchFamilyOnAxle)
{
ClearIncompatibleTyreFamilyOnSameAxle(tyrePlacementWithNewSelectedTyre);
}
var isNewSelectionSameTypeAsOthers = IsNewTyreSameTypeAsOthers(tyrePlacementWithNewSelectedTyre);
if (!isNewSelectionSameTypeAsOthers)
{
ClearIncompatibleTyreTypeSelections(tyrePlacementWithNewSelectedTyre);
}
UpdateResults();
}
private void ClearIncompatibleTyreTypeSelections(TyrePlacementViewModel tyrePlacementWithNewSelectedTyre)
{
var placementsToClear = AllTyrePlacements.Where(p => p.SelectedTyre != null && p != tyrePlacementWithNewSelectedTyre);
foreach (var placement in placementsToClear)
{
VoidPlacement(placement);
}
}
public CurrentSelectionViewModel(IHasTyresList <TyreDetailsViewModel> hasTyresDetailsList, IWeatherService weatherService)
{
hasTyresDetailsList.TyresListUpdated += TyresListUpdated_UpdateAllowedTyres;
_weatherService = weatherService;
FrontLeft = new TyrePlacementViewModel(TyrePlacement.FL);
FrontRight = new TyrePlacementViewModel(TyrePlacement.FR);
RearLeft = new TyrePlacementViewModel(TyrePlacement.RL);
RearRight = new TyrePlacementViewModel(TyrePlacement.RR);
AllTyrePlacements = new[] { FrontLeft, FrontRight, RearLeft, RearRight };
foreach (var tyrePlacement in AllTyrePlacements)
{
tyrePlacement.SelectedTyreChanged += TyrePlacement_SelectedTyreChanged;
}
}
internal bool IsNewTyreSameTypeAsOthers(TyrePlacementViewModel tyrePlacementWithNewSelectedTyre)
{
var placementsWithSelectedTyres = AllTyrePlacements.Where(t => t.SelectedTyre != null);
return(placementsWithSelectedTyres.All(t => t.SelectedTyre.Type == tyrePlacementWithNewSelectedTyre.SelectedTyre.Type));
}
internal TyrePlacementViewModel GetTyrePlacementOnSameAxleAs(TyrePlacementViewModel tyrePlacementViewModel)
{
return(AllTyrePlacements.FirstOrDefault(tyre => tyre != tyrePlacementViewModel && tyre.Axle == tyrePlacementViewModel.Axle));
}
internal bool IsNewTyreOnSameAxleSameFamily(TyrePlacementViewModel tyrePlacementWithNewSelectedTyre)
{
var tyreOnSameAxle = GetTyrePlacementOnSameAxleAs(tyrePlacementWithNewSelectedTyre);
return(tyreOnSameAxle?.SelectedTyre == null || tyrePlacementWithNewSelectedTyre.SelectedTyre.IsSameFamilyAs(tyreOnSameAxle.SelectedTyre));
}
private void VoidPlacement(TyrePlacementViewModel placement)
{
placement.SelectedTyre = null;
placement.IsValid = false;
}
private void ClearIncompatibleTyreFamilyOnSameAxle(TyrePlacementViewModel tyrePlacementWithNewSelectedTyre)
{
var tyreOnSameAxle = GetTyrePlacementOnSameAxleAs(tyrePlacementWithNewSelectedTyre);
VoidPlacement(tyreOnSameAxle);
}