public IMSession GetIMLogFrom(string id, int first, int last = -1)
{
if (IMLog.ContainsKey(id))
{
IMSession resp = IMSession.partialIMSession(IMLog[id], first, last);
return(resp);
}
return(null);
}
public static IMSession partialIMSession(IMSession session, int first, int last)
{
IMSession sesh = new IMSession();
sesh.user_id = session.user_id;
sesh.user_name = session.user_name;
if (session.messages.Count > first)
{
int l = last - first;
if (l < 0 || last < 0 || (l + first) >= session.messages.Count)
{
l = session.messages.Count - first;
}
int read = session.messages.Count - (first + l);
sesh.messages = session.messages.GetRange(first, l);
}
else
{
sesh.messages = null;
}
return(sesh);
}
public static IMSession partialIMSession(IMSession session,int first,int last)
{
IMSession sesh = new IMSession();
sesh.user_id = session.user_id;
sesh.user_name = session.user_name;
if (session.messages.Count > first)
{
int l = last - first;
if (l < 0 || last < 0 || (l + first) >= session.messages.Count) l = session.messages.Count - first;
int read = session.messages.Count - (first + l);
sesh.messages = session.messages.GetRange(first, l);
}
else sesh.messages = null;
return sesh;
}