private async Task CreateCategoryAsync()
{
await DialogService.DisplayPopupAsync();
var parameters = new NavigationParameters();
await NavigationService.NavigateAsync("SetCategoryPage", parameters);
await DialogService.PopAsync();
}
private async Task UpdateModelAsync()
{
await DialogService.DisplayPopupAsync();
await SetSelectableStatesAsync();
ResetNewItemCommand.Execute(null);
ResetSearchItem();
ShowItemsCommand.Execute(null);
await DialogService.PopAsync();
}
private async Task GetCategoryAsync(string categoryID)
{
if (!IsNewCategory)
{
await DialogService.DisplayPopupAsync();
Category = await FirebaseService.GetCategoryAsync(categoryID);
States = new ObservableCollection <StateModel>(await FirebaseService.GetStatesAsync(categoryID));
await DialogService.PopAsync();
}
}
private async Task OpenCategorySettingsAsync()
{
await DialogService.DisplayPopupAsync();
var parameters = new NavigationParameters
{
{ "categoryID", Category.CategoryID }
};
await DialogService.DisplayPopupAsync();
await NavigationService.NavigateAsync("SetCategoryPage", parameters);
}
private async Task RefreshCategoriesAsync()
{
await DialogService.DisplayPopupAsync();
var categoriesList = await FirebaseService.GetCategoriesAsync(20, null);
if (categoriesList == null)
{
categoriesList = new List <CategoryModel>();
}
Categories = new ObservableCollection <CategoryModel>(categoriesList);
await DialogService.PopAsync();
}
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);
}
private async Task CreateItemAsync()
{
if (!await CanCreateItemAsync())
{
return;
}
await DialogService.DisplayPopupAsync();
await FirebaseService.InsertItemAsync(NewItem);
ResetNewItemCommand.Execute(null);
await ShowItemsAsync();
await DialogService.PopAsync();
}
private async Task SaveItemAsync()
{
if (!await CanSaveItemAsync())
{
return;
}
await DialogService.DisplayPopupAsync();
await FirebaseService.UpdateItemAsync(EditItem);
var i = Category.Items.IndexOf(Category.Items.FirstOrDefault(x => x.ItemID == EditItem.ItemID));
Category.Items[i] = EditItem;
ResetNewItemCommand.Execute(null);
await DialogService.DisplayPopupAsync();
}
private async Task DeleteCategoryAsync()
{
var delete = await DialogService.DisplayAlert("Delete category", "Are you sure you want to delete category", "Ok", "Cancel");
if (delete)
{
await DialogService.DisplayPopupAsync();
await FirebaseService.DeleteCategoryAsync(Category);
IsUpdated = true;
var parameters = new NavigationParameters
{
{ "IsUpdated", IsUpdated }
};
await DialogService.DisplayPopupAsync();
await NavigationService.GoBackToRootAsync(parameters);
}
}
