private void WriteMessageToTranscript(Message message)
{
//adds a line for the received or sent message
TranscriptItem lineItem = new TranscriptItem(message.TimeStamp, message.SenderDisplayName, message.SenderUri, message.Modality.ToString(), message.Content);
_viewModel.MessageHistory.Add(lineItem);
//manually scrows down to the last added message
listBoxHistory.UpdateLayout();
scrollViewerMessageLog.ScrollToVerticalOffset(listBoxHistory.ActualHeight);
}
// TODO: Make private later and use ConversationContext channel to write data
void ShowIncomingTranscriptMessage(Message message)
{
WriteMessageToTranscript(message);
}
/// <summary>
/// Parses context data into List of Messages based on format:
/// [SenderDisplayName ([email protected])(sip:[email protected])][ConversationId:12345678][ConferenceUri:[email protected];conf][TimeStamp][MessageType][MessageDirection][MessageContent];;
/// </summary>
/// <param name="contextData"></param>
/// <returns></returns>
private List<Message> ParseMessagesFromContextData(string contextData)
{
List<Message> transcriptMessages = new List<Message>();
// Split messages
char[] transcriptMessagesDelimiter = { ';', ';' };
string[] transcriptMessageData = contextData.Split(transcriptMessagesDelimiter);
char[] messagePropertyDelimiter = { ']', '[' };
char[] messageSenderInfoDelimiter = { '(' };
foreach (string s in transcriptMessageData)
{
// Split message content
string senderInfo = "null";
string senderDisplayName = "null";
string senderAlias = "null";
string senderUri = "null";
string conversationId = "null";
string conferenceUri = "null";
string timeStamp = DateTime.Now.ToString();
string messageType = "Info";
string messageDirection = "Incoming";
string messageContent = "null";
string[] messageProperties = s.Split(messagePropertyDelimiter);
// Verify 7 items in messageProperties
if (messageProperties.Length == 7)
{
senderInfo = messageProperties[0].Substring(1);
conversationId = messageProperties[1].Substring(1);
conferenceUri = messageProperties[2].Substring(1);
timeStamp = messageProperties[3].Substring(1);
messageType = messageProperties[4].Substring(1);
messageDirection = messageProperties[5].Substring(1);
messageContent = messageProperties[6].Substring(1);
if (senderInfo.Contains('('))
{
string[] senderInfoItems = senderInfo.Split(messageSenderInfoDelimiter);
senderDisplayName = senderInfoItems[0].Trim();
senderAlias = senderInfoItems[1].Substring(0, senderInfoItems[1].Length - 1).Trim();
senderAlias = senderInfoItems[2].Substring(0, senderInfoItems[2].Length - 1).Trim();
}
else
{
senderDisplayName = senderInfo.Trim();
}
}
else
{
// TODO: Error
continue;
}
MessageModality modality = MessageModality.Info;
Enum.TryParse<MessageModality>(messageType, true, out modality);
MessageDirection direction = MessageDirection.Incoming;
Enum.TryParse<MessageDirection>(messageDirection, true, out direction);
Message m = new Message(messageContent, senderDisplayName, senderAlias, senderUri, DateTime.Parse(timeStamp), conversationId, conferenceUri, modality, direction);
transcriptMessages.Add(m);
} // loop
return transcriptMessages;
}