/// <summary>
///获取会话中前N条私信
/// </summary>
/// <param name="sessionId">会话Id</param>
/// <param name="topNumber">要获取的记录数</param>
public IEnumerable <Message> GetTops(long sessionId, int topNumber)
{
IEnumerable <object> sessionids = messageInSessionRepository.GetMessageIds(sessionId, topNumber);
IEnumerable <Message> messages;
if (sessionids.Count() > topNumber)
{
messages = messageRepository.PopulateEntitiesByEntityIds(sessionids.Take(topNumber));
}
else
{
messages = messageRepository.PopulateEntitiesByEntityIds(sessionids);
}
return(messages);
}
