/// <summary>
/// Indicates whether is subscribed to a channel.
/// </summary>
/// <param name="channel">The channel name.</param>
/// <returns>
/// <c>true</c> if subscribed to the channel; otherwise, <c>false</c>.
/// </returns>
public bool IsSubscribed(string channel)
{
bool result = false;
if (!IsConnected)
{
DelegateExceptionCallback(new OrtcNotConnectedException("Not connected"));
}
else if (String.IsNullOrEmpty(channel))
{
DelegateExceptionCallback(new OrtcEmptyFieldException("Channel is null or empty"));
}
else if (!channel.OrtcIsValidInput())
{
DelegateExceptionCallback(new OrtcInvalidCharactersException("Channel has invalid characters"));
}
else
{
result = false;
if (_client._subscribedChannels.ContainsKey(channel))
{
ChannelSubscription channelSubscription = null;
_client._subscribedChannels.TryGetValue(channel, out channelSubscription);
if (channelSubscription != null && channelSubscription.IsSubscribed)
{
result = true;
}
}
}
return(result);
}
/// <summary>
/// Subscribes to a channel with notifications.
/// </summary>
/// <param name="channel">Channel name.</param>
/// <param name="subscribeOnReconnected">Subscribe to the specified channel on reconnect.</param>
/// <param name="onMessage"><see cref="OnMessageDelegate"/> callback.</param>
/// <example>
/// <code>
/// ortcClient.SubscribeWithNotifications("channelName", true, OnMessageCallback);
/// private void OnMessageCallback(object sender, string channel, string message)
/// {
/// // Do something
/// }
/// </code>
/// </example>
public void SubscribeWithNotifications(string channel, bool subscribeOnReconnected, OnMessageDelegate onMessage)
{
if (Device.OS == TargetPlatform.iOS || Device.OS == TargetPlatform.Android)
{
if (!IsConnected)
{
DelegateExceptionCallback(new OrtcNotConnectedException("Not connected"));
}
else if (String.IsNullOrEmpty(channel))
{
DelegateExceptionCallback(new OrtcEmptyFieldException("Channel is null or empty"));
}
else if (!channel.OrtcIsValidInput())
{
DelegateExceptionCallback(new OrtcInvalidCharactersException("Channel has invalid characters"));
}
else if (channel.Length > Constants.MAX_CHANNEL_SIZE)
{
DelegateExceptionCallback(new OrtcMaxLengthException(String.Format("Channel size exceeds the limit of {0} characters", Constants.MAX_CHANNEL_SIZE)));
}
else if (_client._subscribedChannels.ContainsKey(channel))
{
ChannelSubscription channelSubscription = null;
_client._subscribedChannels.TryGetValue(channel, out channelSubscription);
if (channelSubscription != null)
{
if (channelSubscription.IsSubscribing)
{
DelegateExceptionCallback(new OrtcSubscribedException(String.Format("Already subscribing to the channel {0}", channel)));
}
else if (channelSubscription.IsSubscribed)
{
DelegateExceptionCallback(new OrtcSubscribedException(String.Format("Already subscribed to the channel {0}", channel)));
}
else
{
_client.subscribe(channel, subscribeOnReconnected, onMessage, true);
}
}
}
else if (Device.OS == TargetPlatform.Android && String.IsNullOrEmpty(_googleProjectNumber))
{
DelegateExceptionCallback(new OrtcGcmException("You have to provide a your Google Project ID to use the GCM notifications"));
}
else
{
_client.subscribe(channel, subscribeOnReconnected, onMessage, true);
}
}
else
{
DelegateExceptionCallback(new OrtcNotSupportedPlatformException("Subscribe with notifications is only available on platforms Android/iOS"));
}
}
/// <summary>
/// Subscribes to a channel.
/// </summary>
/// <param name="channel">Channel name.</param>
/// <param name="subscribeOnReconnected">Subscribe to the specified channel on reconnect.</param>
/// <param name="onMessage"><see cref="OnMessageDelegate"/> callback.</param>
/// <example>
/// <code>
/// ortcClient.Subscribe("channelName", true, OnMessageCallback);
/// private void OnMessageCallback(object sender, string channel, string message)
/// {
/// // Do something
/// }
/// </code>
/// </example>
public void Subscribe(string channel, bool subscribeOnReconnected, OnMessageDelegate onMessage)
{
if (!IsConnected)
{
DelegateExceptionCallback(new OrtcNotConnectedException("Not connected"));
}
else if (String.IsNullOrEmpty(channel))
{
DelegateExceptionCallback(new OrtcEmptyFieldException("Channel is null or empty"));
}
else if (!channel.OrtcIsValidInput())
{
DelegateExceptionCallback(new OrtcInvalidCharactersException("Channel has invalid characters"));
}
else if (channel.Length > Constants.MAX_CHANNEL_SIZE)
{
DelegateExceptionCallback(new OrtcMaxLengthException(String.Format("Channel size exceeds the limit of {0} characters", Constants.MAX_CHANNEL_SIZE)));
}
else if (_client._subscribedChannels.ContainsKey(channel))
{
ChannelSubscription channelSubscription = null;
_client._subscribedChannels.TryGetValue(channel, out channelSubscription);
if (channelSubscription != null)
{
if (channelSubscription.IsSubscribing)
{
DelegateExceptionCallback(new OrtcSubscribedException(String.Format("Already subscribing to the channel {0}", channel)));
}
else if (channelSubscription.IsSubscribed)
{
DelegateExceptionCallback(new OrtcSubscribedException(String.Format("Already subscribed to the channel {0}", channel)));
}
else
{
_client.subscribe(channel, subscribeOnReconnected, onMessage, false);
}
}
}
else
{
_client.subscribe(channel, subscribeOnReconnected, onMessage, false);
}
}
/// <summary>
/// Unsubscribes from a channel.
/// </summary>
/// <param name="channel">Channel name.</param>
/// <example>
/// <code>
/// ortcClient.Unsubscribe("channelName");
/// </code>
/// </example>
public void Unsubscribe(string channel)
{
if (!IsConnected)
{
DelegateExceptionCallback(new OrtcNotConnectedException("Not connected"));
}
else if (String.IsNullOrEmpty(channel))
{
DelegateExceptionCallback(new OrtcEmptyFieldException("Channel is null or empty"));
}
else if (!channel.OrtcIsValidInput())
{
DelegateExceptionCallback(new OrtcInvalidCharactersException("Channel has invalid characters"));
}
else if (!_client._subscribedChannels.ContainsKey(channel))
{
DelegateExceptionCallback(new OrtcNotSubscribedException(String.Format("Not subscribed to the channel {0}", channel)));
}
else if (channel.Length > Constants.MAX_CHANNEL_SIZE)
{
DelegateExceptionCallback(new OrtcMaxLengthException(String.Format("Channel size exceeds the limit of {0} characters", Constants.MAX_CHANNEL_SIZE)));
}
else if (_client._subscribedChannels.ContainsKey(channel))
{
ChannelSubscription channelSubscription = null;
_client._subscribedChannels.TryGetValue(channel, out channelSubscription);
if (channelSubscription != null && !channelSubscription.IsSubscribed)
{
DelegateExceptionCallback(new OrtcNotSubscribedException(String.Format("Not subscribed to the channel {0}", channel)));
}
else
{
_client.unsubscribe(channel, channelSubscription.isWithNotification, Device.OS);
}
}
else
{
DelegateExceptionCallback(new OrtcNotSubscribedException(String.Format("Not subscribed to the channel {0}", channel)));
}
}
internal void subscribe(string channel, bool subscribeOnReconnected, OrtcClient.OnMessageDelegate onMessage, bool withNotifications)
{
var domainChannelCharacterIndex = channel.IndexOf(':');
var channelToValidate = channel;
if (domainChannelCharacterIndex > 0)
{
channelToValidate = channel.Substring(0, domainChannelCharacterIndex + 1) + "*";
}
string hash = _permissions.Where(c => c.Key == channel || c.Key == channelToValidate).FirstOrDefault().Value;
if (_permissions != null && _permissions.Count > 0 && String.IsNullOrEmpty(hash))
{
context.DelegateExceptionCallback(new OrtcNotConnectedException(String.Format("No permission found to subscribe to the channel '{0}'", channel)));
}
else
{
if (!_subscribedChannels.ContainsKey(channel))
{
_subscribedChannels.Add(channel,
new ChannelSubscription
{
IsSubscribing = true,
IsSubscribed = false,
SubscribeOnReconnected = subscribeOnReconnected,
OnMessage = onMessage,
isWithNotification = withNotifications
});
}
try
{
if (_subscribedChannels.ContainsKey(channel))
{
ChannelSubscription channelSubscription = null;
_subscribedChannels.TryGetValue(channel, out channelSubscription);
channelSubscription.IsSubscribing = true;
channelSubscription.IsSubscribed = false;
channelSubscription.SubscribeOnReconnected = subscribeOnReconnected;
channelSubscription.OnMessage = onMessage;
channelSubscription.isWithNotification = withNotifications;
}
if (withNotifications)
{
if (Device.OS == TargetPlatform.Android)
{
if (String.IsNullOrEmpty(context._registrationId))
{
context.DelegateExceptionCallback(new OrtcGcmException("The application is not registered with GCM yet!"));
return;
}
else
{
string s = String.Format("subscribe;{0};{1};{2};{3};{4};GCM", context._applicationKey, context._authenticationToken, channel, hash, context._registrationId);
DoSend(s);
}
}
else if (Device.OS == TargetPlatform.iOS)
{
if (String.IsNullOrEmpty(Realtime.Messaging.Helpers.Settings.Token))
{
context.DelegateExceptionCallback(new OrtcApnsException("The application is not registered with Apns yet!"));
return;
}
else
{
string s = String.Format("subscribe;{0};{1};{2};{3};{4};Apns", context._applicationKey, context._authenticationToken, channel, hash, Realtime.Messaging.Helpers.Settings.Token);
DoSend(s);
}
}
}
else
{
string s = String.Format("subscribe;{0};{1};{2};{3}", context._applicationKey, context._authenticationToken, channel, hash);
DoSend(s);
}
}
catch (Exception ex)
{
string exName = null;
if (ex.InnerException != null)
{
exName = ex.InnerException.GetType().Name;
}
switch (exName)
{
case "OrtcNotConnectedException":
// Server went down
if (context.IsConnected)
{
DoDisconnect();
}
break;
default:
context.DelegateExceptionCallback(new OrtcGenericException(String.Format("Unable to subscribe: {0}", ex)));
break;
}
}
}
}