public static async Task removeEvent(int eventIndex)
{
var eventList = JsonConvert.DeserializeObject <List <Session> >(EventsWriterHelper.oldImage);
eventList.RemoveAt(eventIndex);
EventsWriterHelper.newImage = JsonConvert.SerializeObject(eventList);
await EventsWriterHelper.pushChanges();
}
public static async Task incrementAttendeeCount()
{
var eventList = JsonConvert.DeserializeObject <List <Session> >(EventsWriterHelper.oldImage);
eventList[0].attendeeCount += 1;
EventsWriterHelper.newImage = JsonConvert.SerializeObject(eventList);
await EventsWriterHelper.pushChanges();
}
public static async Task addNewEvent(Session newEvent, int index)
{
var eventList = JsonConvert.DeserializeObject <List <Session> >(EventsWriterHelper.oldImage);
eventList.Insert(index, newEvent);
EventsWriterHelper.newImage = JsonConvert.SerializeObject(eventList);
await EventsWriterHelper.pushChanges();
}
protected async override void OnAppearing()
{
var eventsSource = await EventsWriterHelper.getEventsList();
var parsedEvents = JsonConvert.DeserializeObject <ObservableCollection <Session> >(eventsSource);
Debug.WriteLine("Fetching Data");
EventsListView.ItemsSource = parsedEvents;
base.OnAppearing();
EventsListView.IsRefreshing = false;
}
public LoadingPage()
{
InitializeComponent();
var makerspacePage = new MakerspacePage();
Device.BeginInvokeOnMainThread(async() =>
{
while (makerspacePage.DataSource.IsLoading)
{
await Task.Delay(250);
}
makerspacePage.DataSource.MaskKey("Biography");
//get the events in the background and set as oldimage before any updates are written
Task.Run(async() => EventsWriterHelper.oldImage = await EventsWriterHelper.getEventsList());
await Navigation.PushAsync(makerspacePage, false);
});
}
