/// <summary>
/// Handles incoming <see cref="ChatMessagePacket"/>s.
/// </summary>
/// <param name="connectionId">Original connection ID</param>
/// <param name="packet">Incoming packet</param>
private void chatMessagePacketHandler(string connectionId, ChatMessagePacket packet)
{
ClientChatMessage message = new ClientChatMessage(packet.MessageId, packet.Uuid, packet.Message, packet.Timestamp.ToDateTime(), ChatMessageStatus.CONFIRMED);
lock (messageHistoryLock)
{
// Store the message in chat history
messageHistory.Add(message);
}
OnChatMessageReceived?.Invoke(this, new ClientChatMessageEventArgs(message));
}
/// <summary>
/// Sends a message to the chat.
/// </summary>
/// <param name="message">Message</param>
/// <exception cref="ArgumentException">Message cannot be null or empty</exception>
public void Send(string message)
{
if (string.IsNullOrEmpty(message))
{
throw new ArgumentException("Message cannot be null or empty", nameof(message));
}
// Check if we aren't authenticated
if (!authenticator.Authenticated)
{
RaiseLogEntry(new LogEventArgs("Cannot send chat message: Not authenticated"));
return;
}
// Check if we aren't logged in
if (!userManager.LoggedIn)
{
RaiseLogEntry(new LogEventArgs("Cannot send chat message: Not logged in"));
return;
}
// Create a random message ID
string messageId = Guid.NewGuid().ToString();
// Create and store a chat message locally
ClientChatMessage localMessage = new ClientChatMessage(messageId, userManager.Uuid, message);
lock (messageHistoryLock)
{
messageHistory.Add(localMessage);
}
// Create and pack the chat message packet
ChatMessagePacket packet = new ChatMessagePacket
{
SessionId = authenticator.SessionId,
Uuid = userManager.Uuid,
MessageId = messageId,
Message = message
};
Any packedPacket = ProtobufPacketHelper.Pack(packet);
// Send it on its way
netClient.Send(MODULE_NAME, packedPacket.ToByteArray());
}
/// <summary>
/// Attempts to retrieve the corresponding <see cref="ClientChatMessage"/> for the given message ID.
/// Returns true if the attempt was successful, otherwise false.
/// </summary>
/// <param name="messageId">Message ID</param>
/// <param name="message">Message output</param>
/// <returns>Whether the message with the given ID was retrieved successfully</returns>
public bool TryGetMessage(string messageId, out ClientChatMessage message)
{
message = null;
lock (messageHistoryLock)
{
try
{
// Get the message corresponding with the given ID from history
message = messageHistory.Single(m => m.MessageId == messageId);
}
catch (InvalidOperationException)
{
// A single message with the given ID doesn't exist, return a failure
return(false);
}
}
// Got what we came for, return a success
return(true);
}
public ClientChatMessageEventArgs(ClientChatMessage message)
{
this.Message = message;
}