public void ReceiveMessage(Message message)
{
switch (message.Type)
{
case MessageType.TextMessage:
MessageIncomeEvent?.Invoke(message);
break;
case MessageType.ImageMessage:
ImageMessageIncomeEvent?.Invoke(message);
break;
case MessageType.ConnectMessage:
NewUserJoinedEvent?.Invoke(message.SenderUserName);
if (message.SenderUserName != Name)
{
_channel.SendMessageToUser(message.SenderUserName,
new Message()
{
SenderUserName = Name, Type = MessageType.IsOnlineMessage
});
}
break;
case MessageType.DisconnectMessage:
UserDisconnectEvent?.Invoke(message.SenderUserName);
break;
case MessageType.IsOnlineMessage:
UserIsOnlineEvent?.Invoke(message.SenderUserName);
break;
}
}
public void SendMessage(string message, string userName, byte[] image = null)
{
var msg = new Message()
{
Type = image == null ? MessageType.TextMessage : MessageType.ImageMessage,
SenderUserName = Name,
Content = message,
ReceiverUserName = userName,
ImageData = image,
};
if (userName == null)
{
_channel.BroadcastMessageToAll(msg);
}
else
{
_channel.SendMessageToUser(userName, msg);
if (image == null)
{
MessageIncomeEvent?.Invoke(msg);
}
else
{
ImageMessageIncomeEvent?.Invoke(msg);
}
}
}
public void SendMessage(string cryptedMessage)
{
Message msg = null;
try
{
var textMsg = Cipher.Decrypt(cryptedMessage, PassPhrase);
msg = Message.Deserialize(textMsg);
}
catch (Exception e)
{
//any error while decrypting or deserializating is considered as fail
return;
}
if (msg == null)
{
return;
}
switch (msg.Type)
{
case MessageType.TextMessage:
MessageIncomeEvent?.Invoke(msg.SenderUserId, msg.SenderUserName, msg.Content);
break;
case MessageType.HelloMessage:
if (msg.SenderUserId == _id)
{
return;
}
NewUserJoinedEvent?.Invoke(msg.SenderUserId);
MessageIncomeEvent?.Invoke(msg.SenderUserId, msg.SenderUserName, "connected");
SendJoinMessage(msg.SenderUserId);
_channel.ConnectWithUser(msg.SenderUserId);
break;
case MessageType.UnconnectMessage:
MessageIncomeEvent?.Invoke(msg.SenderUserId, msg.SenderUserName, "disconnected");
break;
case MessageType.JoinMessage:
NewUserJoinedEvent?.Invoke(msg.SenderUserId);
MessageIncomeEvent?.Invoke(msg.SenderUserId, msg.SenderUserName, "is online");
_channel.ConnectWithUser(msg.SenderUserId);
break;
case MessageType.FileMessage:
FileIncomeEvent?.Invoke(msg.SenderUserId, msg.SenderUserName, msg.Content, msg.AdditionalData);
break;
default:
break;
}
}
public void SendMessageToConnected(string text)
{
var jsonMsg = Message.Serialize(new Message()
{
SenderUserName = Name,
SenderUserId = _id,
Type = MessageType.TextMessage,
Content = text
});
_channel.BroadcastMessageToConnectedUsers(Cipher.Encrypt(jsonMsg, PassPhrase));
MessageIncomeEvent?.Invoke(_id, Name, text);
}
public void SendFileToConnected(string originalFileName, string cryptedFileName)
{
var jsonMsg = Message.Serialize(new Message()
{
SenderUserName = Name,
SenderUserId = _id,
Type = MessageType.FileMessage,
Content = originalFileName,
AdditionalData = cryptedFileName,
});
_channel.BroadcastMessageToConnectedUsers(Cipher.Encrypt(jsonMsg, PassPhrase));
MessageIncomeEvent?.Invoke(_id, Name, $"You sent file: {originalFileName}");
}
