/// <summary>
/// 只往本地消息历史数据库里写入一条消息（如果已存在这条消息，则更新。通常是APP的本地自定义消息，并不会发给服务器）
/// </summary>
/// <param name="uid"></param>
/// <param name="sType"></param>
/// <param name="msgId"></param>
/// <param name="msg"></param>
/// <param name="action"></param>
public static void WriteMsglog(string uid, Session.NIMSessionType sType, string msgId, NIMIMMessage msg, OperateSingleLogResultDelegate action)
{
var ptr = NimUtility.DelegateConverter.ConvertToIntPtr(action);
var msgJsonValue = msg.Serialize();
MsglogNativeMethods.nim_msglog_write_db_only_async(uid, sType, msgId, msgJsonValue, null, OperateMsglogByLogIdCompleted, ptr);
}
/// <summary>
/// 最近联系人项未读数清零
/// </summary>
/// <param name="toType">会话类型</param>
/// <param name="id">对方的account id或者群组tid</param>
/// <param name="handler">最近会话列表项变更的回调</param>
public static void SetUnreadCountZero(Session.NIMSessionType toType, string id, SessionChangeHandler handler)
{
var ptr = NimUtility.DelegateConverter.ConvertToIntPtr(handler);
SessionNativeMethods.nim_session_set_unread_count_zero_async((int)toType, id, "", SessionChangeCb, ptr);
}
/// <summary>
/// 删除最近联系人
/// </summary>
/// <param name="toType">会话类型</param>
/// <param name="id">对方的account id或者群组tid</param>
/// <param name="handler">最近会话列表项变更的回调</param>
public static void DeleteRecentSession(Session.NIMSessionType toType, string id, SessionChangeHandler handler)
{
var ptr = NimUtility.DelegateConverter.ConvertToIntPtr(handler);
SessionNativeMethods.nim_session_delete_recent_session_async((int)toType, id, "", SessionChangeCb, ptr);
}
/// <summary>
/// 查询本地消息（按时间逆序起查，逆序排列）
/// </summary>
/// <param name="accountId">会话id，对方的account id或者群组tid</param>
/// <param name="sType">会话类型</param>
/// <param name="limit">一次查询数量，建议20</param>
/// <param name="lastTimetag">上次查询最后一条消息的时间戳（按时间逆序起查，即最小的时间戳）</param>
/// <param name="action"></param>
public static void QueryMsglogLocally(string accountId, Session.NIMSessionType sType, int limit, long lastTimetag, QueryMsglogResultDelegate action)
{
var ptr = NimUtility.DelegateConverter.ConvertToIntPtr(action);
MsglogNativeMethods.nim_msglog_query_msg_async(accountId, sType, limit, lastTimetag, null, QueryLogCompleted, ptr);
}
/// <summary>
/// 由其他消息生成转发消息
/// </summary>
/// <param name="srcMsg">原始消息</param>
/// <param name="msgSetting">新的消息属性</param>
/// <param name="msgId">新的客户端消息id</param>
/// <param name="sessionId">转发目标</param>
/// <param name="sessionType">转发目标会话类型</param>
/// <param name="timetag">消息时间</param>
/// <returns></returns>
public static NIMIMMessage CreateRetweetMessage(NIMIMMessage srcMsg, NIMMessageSetting msgSetting, string msgId, string sessionId, Session.NIMSessionType sessionType, long timetag)
{
string srcMsgJson = srcMsg.Serialize();
string settingJson = string.Empty;
if (msgSetting != null)
{
settingJson = msgSetting.Serialize();
}
var newMsgPtr = TalkNativeMethods.nim_talk_create_retweet_msg(srcMsgJson, msgId, sessionType, sessionId, settingJson, timetag);
if (newMsgPtr != IntPtr.Zero)
{
NimUtility.Utf8StringMarshaler marshaler = new NimUtility.Utf8StringMarshaler();
var newMsg = marshaler.MarshalNativeToManaged(newMsgPtr);
var newMsgJson = newMsg.ToString();
var dstMsg = MessageFactory.CreateMessage(newMsgJson);
GlobalAPI.FreeStringBuffer(newMsgPtr);
return(dstMsg);
}
return(null);
}
