private async Task SaveCategoryAsync()
{
if (!await CanSaveCategoryAsync())
{
return;
}
await DialogService.DisplayPopupAsync();
var parameters = new NavigationParameters();
if (IsUpdated)
{
parameters.Add("IsUpdated", true);
}
if (IsNewCategory)
{
var categoryID = await FirebaseService.InsertCategoryAsync(Category);
for (int i = States.Count - 1; i >= 0; i--)
{
States[i].CategoryID = categoryID;
await FirebaseService.InsertStateAsync(States[i]);
}
}
else
{
await FirebaseService.UpdateCategoryAsync(Category);
foreach (var state in States)
{
if (state.StateID == null)
{
await FirebaseService.InsertStateAsync(state);
}
else
{
await FirebaseService.UpdateStateAsync(state);
}
}
foreach (var state in DeletedStates)
{
await FirebaseService.DeleteStateAsync(state);
}
}
await DialogService.PopAsync();
await NavigationService.GoBackAsync(parameters);
}