public async Task ExecuteLoadCategoriesAsync()
{
try
{
IsBusy = true;
CategoryList.Clear();
List <Category> listCat = _userSettings.GetCategoriesLocal();
if (listCat == null)
{
listCat = await _expenseTrackerService.GetCategoryListAsync();
}
foreach (Category cat in listCat)
{
CategoryList.Add(cat.Name);
}
}
catch (Exception ex)
{
await base.ShowErrorMessageAsync("Error getting category list : " + ex.Message);
}
finally
{
IsBusy = false;
}
}
public async Task ExecuteRefreshCachedLists()
{
IsBusy = true;
try
{
_userSettings.SetCategoriesLocal(await _expenseTrackerService.GetCategoryListAsync());
_userSettings.SetPaymentTypesLocal(await _expenseTrackerService.GetPaymentTypeListAsync());
await base.ShowMessageAsync("Cached Lists Updated!");
}
catch (Exception ex)
{
_telemetry.LogError("ExecuteRefreshCachedLists error", ex);
await base.ShowErrorMessageAsync("Error.");
}
finally
{
IsBusy = false;
}
}
public async void OnNavigatedTo(NavigationParameters parameters)
{
categories = _userSettings.GetCategoriesLocal();
if (categories == null)
{
categories = await _expenseTrackerService.GetCategoryListAsync();
_userSettings.SetCategoriesLocal(categories);
}
paymentTypes = _userSettings.GetPaymentTypesLocal();
if (paymentTypes == null)
{
paymentTypes = await _expenseTrackerService.GetPaymentTypeListAsync();
_userSettings.SetPaymentTypesLocal(paymentTypes);
}
await ExecuteLoadExpensesAsync();
Xamarin.Forms.DependencyService.Get <IKeyboardHelper>().HideKeyboard();
}