/// <summary>
/// Tries to initiate a connection (1:1 conversation) by creating a request on behalf of
/// the given requestor. This method does nothing, if a request for the same user already exists.
/// </summary>
/// <param name="requestor">The requestor conversation reference.</param>
/// <param name="rejectConnectionRequestIfNoAggregationChannel">
/// If true, will reject all requests, if there is no aggregation channel.</param>
/// <returns>The result of the operation:
/// - ConnectionRequestResultType.Created,
/// - ConnectionRequestResultType.AlreadyExists,
/// - ConnectionRequestResultType.NotSetup or
/// - ConnectionRequestResultType.Error (see the error message for more details).
/// </returns>
public virtual ConnectionRequestResult CreateConnectionRequest(
ConversationReference requestor, bool rejectConnectionRequestIfNoAggregationChannel = false)
{
if (requestor == null)
{
throw new ArgumentNullException("Requestor missing");
}
ConnectionRequestResult createConnectionRequestResult = null;
RoutingDataManager.AddConversationReference(requestor);
ConnectionRequest connectionRequest = new ConnectionRequest(requestor);
if (RoutingDataManager.IsAssociatedWithAggregation(requestor))
{
createConnectionRequestResult = new ConnectionRequestResult()
{
Type = ConnectionRequestResultType.Error,
ErrorMessage = $"The given ConversationReference ({RoutingDataManager.GetChannelAccount(requestor)?.Name}) is associated with aggregation and hence invalid to request a connection"
};
}
else
{
createConnectionRequestResult = RoutingDataManager.AddConnectionRequest(
connectionRequest, rejectConnectionRequestIfNoAggregationChannel);
}
return(createConnectionRequestResult);
}
public NetPeer AcceptIfKey(string key)
{
if (!TryActivate())
{
return(null);
}
try
{
if (Data.GetString() == key)
{
Result = ConnectionRequestResult.Accept;
}
}
catch
{
NetDebug.WriteError("[AC] Invalid incoming data");
}
if (Result == ConnectionRequestResult.Accept)
{
return(_listener.OnConnectionSolved(this, null, 0, 0));
}
Result = ConnectionRequestResult.Reject;
_listener.OnConnectionSolved(this, null, 0, 0);
return(null);
}
/// <summary>
/// Removes the connection request of the user with the given conversation reference.
/// </summary>
/// <param name="connectionRequestToRemove">The connection request to remove.</param>
/// <returns>The result of the operation:
/// - ConnectionRequestResultType.Rejected or
/// - ConnectionRequestResultType.Error (see the error message for more details).
/// </returns>
public virtual ConnectionRequestResult RemoveConnectionRequest(ConnectionRequest connectionRequestToRemove)
{
if (connectionRequestToRemove == null)
{
throw new ArgumentNullException("Connection request is null");
}
ConnectionRequestResult removeConnectionRequestResult = new ConnectionRequestResult
{
ConnectionRequest = connectionRequestToRemove
};
if (GetConnectionRequests().Contains(connectionRequestToRemove))
{
if (RoutingDataStore.RemoveConnectionRequest(connectionRequestToRemove))
{
removeConnectionRequestResult.Type = ConnectionRequestResultType.Rejected;
}
else
{
removeConnectionRequestResult.Type = ConnectionRequestResultType.Error;
removeConnectionRequestResult.ErrorMessage = "Failed to remove the connection request associated with the given user";
}
}
else
{
removeConnectionRequestResult.Type = ConnectionRequestResultType.Error;
removeConnectionRequestResult.ErrorMessage = "Could not find a connection request associated with the given user";
}
return(removeConnectionRequestResult);
}
public void Reject(byte[] rejectData, int start, int length, bool force)
{
if (!TryActivate())
{
return;
}
Result = force ? ConnectionRequestResult.RejectForce : ConnectionRequestResult.Reject;
_listener.OnConnectionSolved(this, rejectData, start, length);
}
/// <summary>
/// Accept connection and get new NetPeer as result
/// </summary>
/// <returns>Connected NetPeer</returns>
public NetPeer Accept()
{
if (!TryActivate())
{
return(null);
}
Result = ConnectionRequestResult.Accept;
return(_listener.OnConnectionSolved(this, null, 0, 0));
}
public void Reject()
{
if (_used)
{
return;
}
_used = true;
Result = ConnectionRequestResult.Reject;
_onUserAction(this);
}
/// <summary>
/// Accept connection and get new NetPeer as result
/// </summary>
/// <returns>Connected NetPeer</returns>
public NetPeer Accept()
{
if (_used)
{
return(null);
}
_used = true;
Result = ConnectionRequestResult.Accept;
return(_onUserAction(this));
}
/// <summary>
/// Tries to reject the connection request of the associated with the given conversation reference.
/// </summary>
/// <param name="requestorToReject">The conversation reference of the party whose request to reject.</param>
/// <param name="rejecter">The conversation reference of the party rejecting the request (optional).</param>
/// <returns>The result of the operation:
/// - ConnectionRequestResultType.Rejected or
/// - ConnectionRequestResultType.Error (see the error message for more details).
/// </returns>
public virtual ConnectionRequestResult RejectConnectionRequest(
ConversationReference requestorToReject, ConversationReference rejecter = null)
{
if (requestorToReject == null)
{
throw new ArgumentNullException("The conversation reference instance of the party whose request to reject cannot be null");
}
ConnectionRequestResult rejectConnectionRequestResult = null;
ConnectionRequest connectionRequest =
RoutingDataManager.FindConnectionRequest(requestorToReject);
if (connectionRequest != null)
{
rejectConnectionRequestResult = RoutingDataManager.RemoveConnectionRequest(connectionRequest);
rejectConnectionRequestResult.Rejecter = rejecter;
}
return(rejectConnectionRequestResult);
}
/// <summary>
/// Adds the given connection request.
/// </summary>
/// <param name="connectionRequestToAdd">The connection request to add.</param>
/// <param name="rejectConnectionRequestIfNoAggregationChannel">
/// If true, will reject all requests, if there is no aggregation channel.</param>
/// <returns>The result of the operation:
/// - ConnectionRequestResultType.Created,
/// - ConnectionRequestResultType.AlreadyExists,
/// - ConnectionRequestResultType.NotSetup or
/// - ConnectionRequestResultType.Error (see the error message for more details).
/// </returns>
public virtual ConnectionRequestResult AddConnectionRequest(
ConnectionRequest connectionRequestToAdd, bool rejectConnectionRequestIfNoAggregationChannel = false)
{
if (connectionRequestToAdd == null)
{
throw new ArgumentNullException("Connection request is null");
}
ConnectionRequestResult addConnectionRequestResult = new ConnectionRequestResult()
{
ConnectionRequest = connectionRequestToAdd
};
if (GetConnectionRequests().Contains(connectionRequestToAdd))
{
addConnectionRequestResult.Type = ConnectionRequestResultType.AlreadyExists;
}
else
{
if (!GetAggregationChannels().Any() && rejectConnectionRequestIfNoAggregationChannel)
{
addConnectionRequestResult.Type = ConnectionRequestResultType.NotSetup;
}
else
{
connectionRequestToAdd.ConnectionRequestTime = GetCurrentGlobalTime();
if (RoutingDataStore.AddConnectionRequest(connectionRequestToAdd))
{
addConnectionRequestResult.Type = ConnectionRequestResultType.Created;
}
else
{
addConnectionRequestResult.Type = ConnectionRequestResultType.Error;
addConnectionRequestResult.ErrorMessage = "Failed to add the connection request - this is likely an error caused by the storage implementation";
}
}
}
return(addConnectionRequestResult);
}
/// <summary>
/// Handles the given connection request result.
/// </summary>
/// <param name="connectionRequestResult">The result to handle.</param>
/// <returns>True, if the result was handled. False, if no action was taken.</returns>
protected virtual async Task <bool> HandleConnectionRequestResultAsync(
ConnectionRequestResult connectionRequestResult)
{
ConnectionRequest connectionRequest = connectionRequestResult?.ConnectionRequest;
if (connectionRequest == null || connectionRequest.Requestor == null)
{
System.Diagnostics.Debug.WriteLine("No client to inform about the connection request result");
return(false);
}
switch (connectionRequestResult.Type)
{
case ConnectionRequestResultType.Created:
foreach (ConversationReference aggregationChannel
in _messageRouter.RoutingDataManager.GetAggregationChannels())
{
ConversationReference botConversationReference =
_messageRouter.RoutingDataManager.FindConversationReference(
aggregationChannel.ChannelId, aggregationChannel.Conversation.Id, null, true);
if (botConversationReference != null)
{
IMessageActivity messageActivity = Activity.CreateMessageActivity();
messageActivity.Conversation = aggregationChannel.Conversation;
messageActivity.Recipient = RoutingDataManager.GetChannelAccount(aggregationChannel);
messageActivity.Attachments = new List <Attachment>
{
CommandCardFactory.CreateConnectionRequestCard(
connectionRequest,
RoutingDataManager.GetChannelAccount(
botConversationReference)?.Name).ToAttachment()
};
await _messageRouter.SendMessageAsync(aggregationChannel, messageActivity);
}
}
await _messageRouter.SendMessageAsync(
connectionRequest.Requestor, Strings.NotifyClientWaitForRequestHandling);
return(true);
case ConnectionRequestResultType.AlreadyExists:
await _messageRouter.SendMessageAsync(
connectionRequest.Requestor, Strings.NotifyClientDuplicateRequest);
return(true);
case ConnectionRequestResultType.Rejected:
if (connectionRequestResult.Rejecter != null)
{
await _messageRouter.SendMessageAsync(
connectionRequestResult.Rejecter,
string.Format(Strings.NotifyOwnerRequestRejected, GetNameOrId(connectionRequest.Requestor)));
}
await _messageRouter.SendMessageAsync(
connectionRequest.Requestor, Strings.NotifyClientRequestRejected);
return(true);
case ConnectionRequestResultType.NotSetup:
await _messageRouter.SendMessageAsync(
connectionRequest.Requestor, Strings.NoAgentsAvailable);
return(true);
case ConnectionRequestResultType.Error:
if (connectionRequestResult.Rejecter != null)
{
await _messageRouter.SendMessageAsync(
connectionRequestResult.Rejecter,
string.Format(Strings.ConnectionRequestResultErrorWithResult, connectionRequestResult.ErrorMessage));
}
return(true);
default:
break;
}
return(false);
}
/// <summary>
/// Tries to accept/reject a pending connection request.
/// </summary>
/// <param name="messageRouter">The message router.</param>
/// <param name="messageRouterResultHandler">The message router result handler.</param>
/// <param name="sender">The sender party (accepter/rejecter).</param>
/// <param name="doAccept">If true, will try to accept the request. If false, will reject.</param>
/// <param name="requestorChannelAccountId">The channel account ID of the user/bot whose request to accept/reject.</param>
/// <param name="requestorConversationAccountId">The conversation account ID of the user/bot whose request to accept/reject.</param>
/// <returns>The result.</returns>
public async Task <AbstractMessageRouterResult> AcceptOrRejectRequestAsync(
MessageRouter messageRouter, MessageRouterResultHandler messageRouterResultHandler,
ConversationReference sender, bool doAccept,
ChannelAccount requestorChannelAccountId, ConversationAccount requestorConversationAccountId)
{
AbstractMessageRouterResult messageRouterResult = new ConnectionRequestResult()
{
Type = ConnectionRequestResultType.Error
};
ConversationReference requestor =
new ConversationReference(
null, requestorChannelAccountId, null, requestorConversationAccountId);
ConnectionRequest connectionRequest =
messageRouter.RoutingDataManager.FindConnectionRequest(requestor);
if (connectionRequest == null)
{
// Try bot
requestor.Bot = requestor.User;
requestor.User = null;
connectionRequest =
messageRouter.RoutingDataManager.FindConnectionRequest(requestor);
}
if (connectionRequest != null)
{
Connection connection = null;
if (sender != null)
{
connection = messageRouter.RoutingDataManager.FindConnection(sender);
}
ConversationReference senderInConnection = null;
ConversationReference counterpart = null;
if (connection != null && connection.ConversationReference1 != null)
{
if (RoutingDataManager.Match(sender, connection.ConversationReference1))
{
senderInConnection = connection.ConversationReference1;
counterpart = connection.ConversationReference2;
}
else
{
senderInConnection = connection.ConversationReference2;
counterpart = connection.ConversationReference1;
}
}
if (doAccept)
{
if (senderInConnection != null)
{
// The sender (accepter/rejecter) is ALREADY connected to another party
if (counterpart != null)
{
messageRouterResult.ErrorMessage = string.Format(
Strings.AlreadyConnectedWithUser,
RoutingDataManager.GetChannelAccount(counterpart)?.Name);
}
else
{
messageRouterResult.ErrorMessage = Strings.ErrorOccured;
}
}
else
{
bool createNewDirectConversation =
(_noDirectConversationsWithChannels == null ||
!(_noDirectConversationsWithChannels.Contains(sender.ChannelId.ToLower())));
// Try to accept
messageRouterResult = await messageRouter.ConnectAsync(
sender,
connectionRequest.Requestor,
createNewDirectConversation);
}
}
else
{
// Note: Rejecting is OK even if the sender is alreay connected
messageRouterResult = messageRouter.RejectConnectionRequest(connectionRequest.Requestor, sender);
}
}
else
{
messageRouterResult.ErrorMessage = Strings.FailedToFindPendingRequest;
}
return(messageRouterResult);
}
/// <summary>
/// Removes the specified ConversationReference from all possible containers.
/// </summary>
/// <param name="conversationReferenceToRemove">The ConversationReference to remove.</param>
/// <returns>A list of operation result(s).</returns>
public virtual IList <AbstractMessageRouterResult> RemoveConversationReference(
ConversationReference conversationReferenceToRemove)
{
if (conversationReferenceToRemove == null)
{
throw new ArgumentNullException("The given conversation reference is null");
}
List <AbstractMessageRouterResult> messageRouterResults = new List <AbstractMessageRouterResult>();
bool wasRemoved = false;
// Check users and bots
IList <ConversationReference> conversationReferenceToSearch =
IsBot(conversationReferenceToRemove) ? GetBotInstances() : GetUsers();
IList <ConversationReference> conversationReferencesToRemove = FindConversationReferences(
conversationReferenceToSearch, null, null,
GetChannelAccount(conversationReferenceToRemove)?.Id);
foreach (ConversationReference conversationReference in conversationReferencesToRemove)
{
if (RoutingDataStore.RemoveConversationReference(conversationReference))
{
messageRouterResults.Add(new ModifyRoutingDataResult()
{
Type = ModifyRoutingDataResultType.Removed
});
}
else
{
messageRouterResults.Add(new ModifyRoutingDataResult()
{
Type = ModifyRoutingDataResultType.Error,
ErrorMessage = "Failed to remove conversation reference"
});
}
}
// Check connection requests
wasRemoved = true;
while (wasRemoved)
{
wasRemoved = false;
foreach (ConnectionRequest connectionRequest in GetConnectionRequests())
{
if (Match(conversationReferenceToRemove, connectionRequest.Requestor))
{
ConnectionRequestResult removeConnectionRequestResult =
RemoveConnectionRequest(connectionRequest);
if (removeConnectionRequestResult.Type == ConnectionRequestResultType.Rejected)
{
wasRemoved = true;
messageRouterResults.Add(removeConnectionRequestResult);
break;
}
}
}
}
// Check the connections
wasRemoved = true;
while (wasRemoved)
{
wasRemoved = false;
foreach (Connection connection in GetConnections())
{
if (Match(conversationReferenceToRemove, connection.ConversationReference1) ||
Match(conversationReferenceToRemove, connection.ConversationReference2))
{
wasRemoved = true;
messageRouterResults.Add(Disconnect(connection)); // TODO: Check that the disconnect was successful
break;
}
}
}
return(messageRouterResults);
}
