private static void OnCurrentSnapshot(IDocumentSnapshot?snapshot)
{
Current = snapshot?.ToObject <DonorUser>();
CurrentUpdated?.Invoke(Current);
if (previousUID != Current?.UID)
{
previousUID = Current?.UID;
CurrentChanged?.Invoke(Current);
CrossFirebasePushNotification.Current.UnsubscribeAll();
if (!(Current is null))
{
CrossFirebasePushNotification.Current.Subscribe("Urgent_Project");
}
}
_ = DonationBundle.SetCurrentAsync(Current?.CurrentDonationBundle);
if (!(Current is null) && ThemeEngine.SetTheme(Current.DesiredTheme))
{
SecureStorage.SetAsync("ThemePreference", Current.DesiredTheme.ToString());
}
var newTopics = Current?.DonatedProjectUIDs.Select(x => "Project_" + x)
.Where(x => !CrossFirebasePushNotification.Current.SubscribedTopics.Contains(x));
if (newTopics?.Any() ?? false)
{
CrossFirebasePushNotification.Current.Subscribe(newTopics.ToArray());
}
System.Diagnostics.Debug.WriteLine(string.Join(", ", CrossFirebasePushNotification.Current.SubscribedTopics));
}
public static async Task SetCurrentAsync(IDocumentReference?doc)
{
if (doc?.Id != Current?.Doc.Id || doc is null)
{
listener?.Remove();
if (doc is null)
{
if (DonorUser.Current is null)
{
Current = null;
previousUID = null;
CurrentUpdated?.Invoke(null);
CurrentChanged?.Invoke(null);
return;
}
else
{
var bundleCollection = DonorUser.Current.Doc.Collection("DonationBundles");
DonationBundle bundle = new DonationBundle
{
StripeStatus = StripeStatus.Pending,
GiftAidState = DonorUser.Current.GiftAidEnabled ? GiftAidState.Unclaimed : GiftAidState.Ineligible,
Amount = 0,
UserConfirmed = false
};
doc = await bundleCollection.AddAsync(bundle);
await DonorUser.Current.Doc.UpdateAsync(new { CurrentDonationBundle = doc });
}
}
listener = doc.AddSnapshotListener((snapshot, ex) => OnCurrentSnapshot(snapshot));
}
}