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);
}
private async Task SelectFund(FundViewModel fund)
{
if (fund == null)
{
return;
}
SelectedFund = null;
await _pageService.PushAsync(new AddFundPage(fund));
}
private async Task DeleteFund(FundViewModel fundViewModel)
{
if (await _pageService.DisplayAlert("Warning", $"Are you sure you want to delete {fundViewModel.Source} : {fundViewModel.Amount}?", "YES", "NO"))
{
Funds.Remove(fundViewModel);
var fund = await _fundStore.GetFund(fundViewModel.Id);
await _fundStore.DeleteFund(fund);
}
}
public FundDetailViewModel(FundViewModel viewModel, IFundStore fundStore, IPageService pageService)
{
if (viewModel == null)
{
throw new ArgumentException(nameof(viewModel));
}
_fundStore = fundStore;
_pageService = pageService;
SaveFundCommand = new Command(async() => await SaveFund());
Fund = new Fund
{
Id = viewModel.Id,
Amount = viewModel.Amount,
Source = viewModel.Source,
LastUpdateDate = Convert.ToDateTime(Constants.phoneDate),
UserId = Constants.curUserId
};
}
private async Task ViewFunds(FundViewModel fund)
{
await _pageService.PushAsync(new FundsListPage(fund));;
}
private async Task AddFund(FundViewModel fund)
{
await _pageService.PushAsync(new AddFundPage(fund));
}
