public void ReturnLastMessages(string dialogName, Activity context)
{
List <Message> results = new List <Message>();
if (FirebaseController.instance.app == null)
{
FirebaseController.instance.initFireBaseAuth();
}
try
{
var referenceChats = FirebaseDatabase.Instance.GetReference("chats");
Query query = referenceChats.Child(dialogName);
var userListener = new UValueEventListener((sender, e) =>
{
bool result = (e as UEventArgs).value;
if (result)
{
}
}, context, dialogName);
query.AddChildEventListener(userListener);
}
catch (Exception ex)
{
Utils.MessageBox(ex.Message, context);
}
}
/// <summary>
/// Equivalent to AddChildEventListener, except returns an IObservable for use with reactive extensions.
/// </summary>
/// <param name="dbQuery">The database query reference.</param>
/// <param name="listener">A reference to the listener so you can remove it, later.</param>
/// <returns>Returns a stream of results containing a snapshot and event type.</returns>
public static IObservable <ChildEventResult> AddChildEventListenerRx(this Query dbQuery, out IChildEventListener listener)
{
var eventSubject = new Subject <ChildEventResult>();
listener = dbQuery.AddChildEventListener(new ChildEventListener(eventSubject));
return(eventSubject);
}
/// <summary>
/// Listen to OtherCards database for new shared cards
/// </summary>
public async void initialize()
{
string userID = await AcrDialogUtilities.promptInput("Input User ID");
if (userID == "")
{
return;
}
// FirebaseDatabase - get cards shared with userID
FirebaseDatabase database = FirebaseDatabase.Instance;
DatabaseReference dr_userCardListItem = database.GetReference("Users").Child(userID).Child("OthersCards");
Query sharedCardsQuery = dr_userCardListItem.LimitToFirst(100);
sharedCardsQuery.AddChildEventListener(new FirebaseChildListener(this));
}
/// <summary>
/// Méthode pour récupérer la référence à la base de données Firebase
/// </summary>
private void PrepareEventListDatas()
{
Query firebaseRef = FirebaseDatabase.Instance.Reference.Child("events"); // On récupère la référence
firebaseRef.AddChildEventListener(this); // On attache l'écouteur d'événement présent dans l'activité
}
/// <summary>
/// Méthode pour récupérer les données via la base de données Firebase
/// </summary>
private void PrepareParticipantDatas()
{
Query firebaseRef = FirebaseDatabase.Instance.Reference.Child("events").Child(Convert.ToString(Intent.GetLongExtra("date", 0))).Child("participant");
firebaseRef.AddChildEventListener(this);
}
public object OnChildChange<T>(FirebaseChildChangeEnum changeType, FirebaseChildEventDelegate<T> handler)
{
var listener = new ChildTypeValueListener<T>(handler, changeType);
query.AddChildEventListener(listener);
return listener;
}
