public async Task Initialize()
{
await _repository.Initialize();
await AddTransactionsViewModel.Initialize();
SearchTransactions.Initialize();
var i = 0;
while (true)
{
var monthBalanceViewModel = new MonthBalanceViewModel(DateTime.Now.PreviousMonth(i), _repository, _windowService);
await monthBalanceViewModel.Initialize();
if (monthBalanceViewModel.TotalBalance.Income > 0 || monthBalanceViewModel.TotalBalance.Expense < 0 || i == 0) // always add current month
{
monthBalanceViewModel.DetailTransactionsRequested += async(sender, args) =>
{
await SearchTransactions.SearchForDatesAndCategory(args.DateFrom, args.DateTo, args.Category);
};
MonthBalanceViewModels.Add(monthBalanceViewModel);
i++;
}
else
{
break;
}
}
await CheckGoalsButtons();
}
private async Task OnTransactionAddedDeleted(Transaction transaction)
{
var month = transaction.Date.FirstDayOfMonth();
var monthViewModel = MonthBalanceViewModels.FirstOrDefault(x => x.Month.FirstDayOfMonth() == month);
if (monthViewModel != null)
{
await monthViewModel.RecalculateBalances(transaction.Category);
}
}
private async Task OnTransactionModified(Transaction transactionOld, Transaction transactionNew)
{
var monthViewModelOld = MonthBalanceViewModels.FirstOrDefault(x => x.Month.FirstDayOfMonth() == transactionOld.Date.FirstDayOfMonth());
var monthViewModelNew = MonthBalanceViewModels.FirstOrDefault(x => x.Month.FirstDayOfMonth() == transactionNew.Date.FirstDayOfMonth());
if (monthViewModelOld != null)
{
await monthViewModelOld.RecalculateBalances(transactionOld.Category);
}
if (monthViewModelNew != null)
{
await monthViewModelNew.RecalculateBalances(transactionNew.Category);
}
}
