internal Conversation(ConversationState conversationState)
{
_synchronizationContext = Client.CurrentSynchronizationContext;
_conversation = conversationState.conversation;
if (_conversation.read_state.Count > 0)
{
ReadState = _conversation.read_state.Last(c => c.latest_read_timestamp > 0).latest_read_timestamp.FromUnixTime();
}
if (_conversation.self_conversation_state.self_read_state != null)
{
SelfReadState = _conversation.self_conversation_state.self_read_state.latest_read_timestamp.FromUnixTime();
}
Participants = _conversation.participant_data.ToDictionary(c => c.id.chat_id, c => new Participant(c));
MessagesHistory = new ObservableCollection <Message>();
foreach (var cse in conversationState.events.Where(c => c.chat_message != null))
{
messagesIds.Add(cse.event_id, cse.timestamp);
if (_lastMessage != null && _lastMessage.SenderId == cse.sender_id.gaia_id)
{
_lastMessage.AddContent(cse);
}
else
{
_lastMessage = new Message(cse);
MessagesHistory.Add(_lastMessage);
}
}
}
internal void AddOldMessages(List <Event> events)
{
_synchronizationContext.Post((obj) =>
{
IEnumerable <Event> orderedEvents = ((List <Event>)obj).OrderByDescending(c => c.timestamp);
Message current = MessagesHistory.First();
// hangout return all messages
foreach (Event e in orderedEvents)
{
if (messagesIds.ContainsKey(e.event_id))
{
continue;
}
messagesIds.Add(e.event_id, e.timestamp);
if (current.SenderId == e.sender_id.chat_id)
{
current.AddContent(e, true);
}
else
{
current = new Message(e);
MessagesHistory.Insert(0, current);
}
}
}, events);
}