private void InitDictionary(Type type, IFireDelegate fireDelegate, List <IFireControl> uiSubscribers, string userId, bool initWithCache = false)
{
this.LastKey = "";
this.FireDictDelegate = fireDelegate;
this.Items = new Dictionary <string, IFireObject>();
this.Path = type.Name;
this.UISubscriptionList = uiSubscribers;
this.ObjectType = type;
this.UserId = userId;
if (initWithCache)
{
this.LoadFromCache <CnC.Model.Game>();
}
if (this.UserId != null) // UserId = "" = public
{
//filter on user //.StartAtKey(lastKey)
myQuery = fireDelegate.firebaseApp.Child(this.Path).OrderByChild(USERIDKEY).EqualTo(userId).On(FIREEVENTADD, (snap, previous_child, context) => AddOrUpdate(snap));
fireDelegate.firebaseApp.Child(this.Path).OrderByChild(USERIDKEY).EqualTo(userId).On(FIREEVENTDELETE, (snap, previous_child, context) => Removed(snap, previous_child, context));
}
else
{
//unfiltered
myQuery = fireDelegate.firebaseApp.Child(this.Path).StartAtKey(lastKey).On(FIREEVENTADD, (snap, previous_child, context) => AddOrUpdate(snap));
fireDelegate.firebaseApp.Child(this.Path).On(FIREEVENTDELETE, (snap, previous_child, context) => Removed(snap, previous_child, context));
}
}
private void AddOrUpdate(IDataSnapshot snap)
{
Debug.Print(snap.Key);
string previousKey = this.LastKey;
foreach (IDataSnapshot child in snap.Children)
{
IFireObject fireObjectInstance = (IFireObject)JsonConvert.DeserializeObject(child.Value(), this.ObjectType);
fireObjectInstance.Key = child.Key;
this.addOrUpdate(fireObjectInstance);
}
if (previousKey != this.LastKey)
{
myQuery.Off();
if (this.UserId != null)
{
//filter on user //.StartAtKey(lastKey)
myQuery = FireDictDelegate.firebaseApp.Child(this.Path).OrderByChild(USERIDKEY).EqualTo(this.UserId).StartAtKey(lastKey).On(FIREEVENTADD, (snap2, previous_child, context) => AddOrUpdate(snap2));
}
else
{
myQuery = FireDictDelegate.firebaseApp.Child(this.Path).StartAtKey(lastKey).On(FIREEVENTADD, (snap2, previous_child, context) => AddOrUpdate(snap2));
}
}
}
public JobQueue(IFirebase jobs, Func <T, bool> callback)
{
// create our own copy and ignore filters
_jobs = jobs.Child("/");
_query = _jobs
.On("child_changed", (snap, child, context) =>
{
if (snap.Exists)
{
if (snap["Timestamp"][".sv"].Exists)
{
// local version
return;
}
T data = snap["Data"].Value <T>();
try
{
if (callback(data))
{
// remove from the queue
snap.Ref().Remove();
}
}
catch (Exception ex)
{
Debug.WriteLine("ERROR: {0}", ex);
}
}
});
}
