public MainViewModel(IBillCalculator billCalculator,
Task<IUserRepository> userRepositoryTask, IFuelPriceAccesser fuelPriceAccesser,
ITaksariDialogService messageBoxes)
{
//Register messengers
IMvxMessenger messenger = Mvx.Resolve<IMvxMessenger>();
messenger.Subscribe<ToggleUserActivityMessage>(OnToggleUserActivityMessageReceived, MvxReference.Strong);
messenger.Subscribe<DeleteUserMessage>(OnDeleteUserMessageReceived, MvxReference.Strong);
messenger.Subscribe<PaymentRequestedMessage>(OnPaymentRequestedMessageReceived, MvxReference.Strong);
//FuelPriceAccesser. PropertyChangedEvent is handled for setting new fuelprices to _appsettings
AppSettings.FuelPricesAreUpToDate = false;
fuelPriceAccesser.FuelPricesUpdated += OnFuelPricesUpdated;
//UserRepository
_userRepositoryTask = userRepositoryTask;
//Init SortingObservableCollections
ActiveUserViewModelsTask =
new NotifyTaskCompletion<ObservableCollection<IUserViewModel>>(InitActiveUserViewModelsAsync());
ActiveUserViewModelsTask.PropertyChanged += OnActiveUsersTaskPropertyChanged;
InActiveUserViewModelsTask =
new NotifyTaskCompletion<ObservableCollection<IUserViewModel>>(InitInActiveUserViewModelsAsync());
//BillCalculator
_billCalculator = billCalculator;
_billCalculator.CostsPerKm = AppSettings.FinalCostsPerKm;
_billCalculator.BillsChanged += OnBillsChanged;
_billCalculator.LocatorStatusChanged += OnLocatorStatusChanged;
//Message boxes
_dialogService = messageBoxes;
//Default LocatorStatus
LocatorStatus = new BindablePositionStatus(WrappedPositionStatus.Ready);
}
private void AddBill(DateTime date, BillType billType, params Reading[] readings)
{
IBillCalculator calculator = BillCalculatorFactory.GetBillCalculator(billType, this);
Bill bill = new Bill
{
Date = date,
BillType = billType,
Readings = readings,
};
bill.Amount = calculator.CalculateBill(bill);
_db.Bills.Add(bill);
_db.SaveChanges();
}
//Normal constructor which is called
//automatically and there is no need to use it
//while constructing new item
public BillViewModel(IBillCalculator calculator)
{
_calculation = calculator;
}
/// <summary>
/// Use constructor injection to supply _calculation with the implementation.
/// </summary>
/// <param name="calculation"></param>
public BillViewModel(IMvxMessenger messenger, IBillCalculator calculation) : base(messenger)
{
_calculation = calculation;
}
public Biller(IBillCalculator billCalculator)
{
this.billCalculator = billCalculator;
}
public BillViewModel(IBillCalculator calculationService)
{
this._calculationService = calculationService;
}