public HistoryViewModel()
{
LoadHistoryItemsCommand = new Command(ExecuteLoadHistoryItemsCommand);
incomeViewModel = IncomeViewModel.GetInstance();
expenseViewModel = ExpenseViewModel.GetInstance();
HistoryItems = new List <IHistoryItem>();
Expenses = expenseViewModel.GetAllExpenses().ToList();
Incomes = incomeViewModel.GetAllIncomes().ToList();
HistoryItems.AddRange(Expenses);
HistoryItems.AddRange(Incomes);
HistoryItems = HistoryItems.OrderByDescending(x => x.Date).ToList();
Balance = CalculateBalance();
ItemsGrouped = GroupItems();
SubTextColor = Color.FromRgb(100, 100, 100);
TextColor = Color.FromRgb(95, 108, 128);
}
public ExpenseHistoryPage()
{
InitializeComponent();
expenseViewModel = ExpenseViewModel.GetInstance();
BindingContext = expenseViewModel;
}
