/// <summary>
/// Subscribe the specified callback.
/// </summary>
/// <param name="realtimeHandler">Delegate used to forward realtime messages.</param>
public async Task <bool> Subscribe(KinveyDataStoreDelegate <T> realtimeHandler)
{
bool success = false;
// TODO request subscribe access with KCS
var subscribeRequest = new SubscribeRequest <T>(client, collectionName, client.DeviceID);
var result = await subscribeRequest.ExecuteAsync();
if (realtimeHandler != null)
{
RealtimeDelegate = realtimeHandler;
var routerDelegate = new KinveyRealtimeDelegate
{
OnError = (error) => RealtimeDelegate.OnError(error),
OnNext = (message) => {
var messageObj = Newtonsoft.Json.JsonConvert.DeserializeObject <T>(message);
RealtimeDelegate.OnNext(messageObj);
},
OnStatus = (status) => RealtimeDelegate.OnStatus(status)
};
RealtimeRouter.Instance.SubscribeCollection(CollectionName, routerDelegate);
success = true;
}
return(success);
}
void AddChannel(string channel, KinveyRealtimeDelegate callback)
{
if (mapChannelToCallback.ContainsKey(channel))
{
mapChannelToCallback[channel] = callback;
}
else
{
mapChannelToCallback.Add(channel, callback);
}
}
internal void SubscribeCollection(string collectionName, KinveyRealtimeDelegate callback)
{
string appKey = (KinveyClient.RequestInitializer as KinveyClientRequestInitializer).AppKey;
string channel = appKey + Constants.CHAR_PERIOD + Constants.STR_REALTIME_COLLECTION_CHANNEL_PREPEND + collectionName;
AddChannel(channel, callback);
// In the case of collection subscription, in addition to creating a
// channel for the collection, another channel should be created for
// this collection and the active user, since certain ACL rules may
// not allow collection-wide subscription, but may allow this user
// access to the update (see MLIBZ-2223 for more information).
string activeUserChannel = BuildCollectionUserChannel(collectionName, Client.SharedClient.ActiveUser.Id);
AddChannel(activeUserChannel, callback);
}
internal void SubscribeStream(string channelName, KinveyRealtimeDelegate callback)
{
AddChannel(channelName, callback);
}