private async Task SelectExpense(ExpenseViewModel expense)
{
if (expense == null)
{
return;
}
SelectedExpense = null;
await _pageService.PushAsync(new AddExpensePage(expense));
}
private async Task DeleteExpense(ExpenseViewModel expenseViewModel)
{
if (await _pageService.DisplayAlert("Warning", $"Are you sure you want to delete {expenseViewModel.Description} : {expenseViewModel.Amount}?", "YES", "NO"))
{
Expenses.Remove(expenseViewModel);
var expense = await _expenseStore.GetExpense(expenseViewModel.Id);
await _expenseStore.DeleteExpense(expense);
}
}
public ExpenseDetailViewModel(ExpenseViewModel viewModel, IExpenseStore expenseStore, IPageService pageService)
{
if (viewModel == null)
{
throw new ArgumentException(nameof(viewModel));
}
_pageService = pageService;
_expenseStore = expenseStore;
SaveExpenseCommand = new Command(async() => await SaveExpense());
Expense = new Expense
{
Id = viewModel.Id,
Amount = viewModel.Amount,
Description = viewModel.Description,
PostDate = Convert.ToDateTime(Constants.phoneDate),
UserId = Constants.curUserId
};
}
private async Task AddExpense(ExpenseViewModel expense)
{
await _pageService.PushAsync(new AddExpensePage(expense));
}
public BudgetViewModel(IPageService pageService, FundViewModel fundViewModel = null, IFundStore fundStore = null, ExpenseViewModel expenseViewModel = null, IExpenseStore expenseStore = null)
{
//if (fundViewModel == null) throw new ArgumentException(nameof(fundViewModel));
//if (expenseViewModel == null) throw new ArgumentException(nameof(expenseViewModel));
_fundStore = fundStore;
_expenseStore = expenseStore;
_pageService = pageService;
LoadExpenseDataCommand = new Command(async() => await LoadExpenseData());
LoadFundDataCommand = new Command(async() => await LoadFundData());
AddFundCommand = new Command(async() => await AddFund(fundViewModel));
SelectExpenseCommand = new Command <ExpenseViewModel>(async c => await SelectExpense(c));
SelectFundCommand = new Command <FundViewModel>(async c => await SelectFund(c));
AddExpenseCommand = new Command(async() => await AddExpense(expenseViewModel));
RefreshDataCommand = new Command(async() => await RefreshData());
ViewFundCommand = new Command(async() => await ViewFunds(fundViewModel));
DeleteFundCommand = new Command <FundViewModel>(async c => await DeleteFund(c));
DeleteExpenseCommand = new Command <ExpenseViewModel>(async c => await DeleteExpense(c));
MessagingCenter.Subscribe <ExpenseDetailViewModel, Expense>(this, Events.ExpenseAdded, OnExpenseAdded);
MessagingCenter.Subscribe <ExpenseDetailViewModel, Expense>(this, Events.ExpenseUpdated, OnExpenseUpdated);
MessagingCenter.Subscribe <FundDetailViewModel, Fund>(this, Events.FundAdded, OnFundAdded);
MessagingCenter.Subscribe <FundDetailViewModel, Fund>(this, Events.FundUpdated, OnFundUpdated);
}
