public static async Task<bool> SetOrUpdateTimestampToNow(string uuid, string sessionid)
{
MessageCenterSessionRedis o = new MessageCenterSessionRedis();
o.UserUUID = uuid; o.SessionId = sessionid;
o.TimeStamp = BK.CommonLib.Util.CommonHelper.GetUnixTimeNow();
return await _redis.SaveObjectAsync(o);
}
/// <summary>
/// 清空一个uuid，某个sessionid的聊天未读记录。
/// </summary>
/// <param name="uuid"></param>
/// <param name="sessionId"></param>
/// <returns></returns>
public static async Task<bool> CleanUnreadScore(string uuid,string sessionId)
{
MessageCenterSessionRedis o = new MessageCenterSessionRedis();
o.UserUUID = uuid; o.SessionId = sessionId;
var db = _redis.GetDb<MessageCenterSessionRedis>();
string zsetName = _redis.GetKeyName<UnReadMessageCountZsetAttribute>(o);
return await db.SortedSetAddAsync(zsetName, sessionId, 0);
}
/// <summary>
/// 判断一个用户是否有未读消息
/// </summary>
/// <param name="uuid"></param>
/// <returns></returns>
public static async Task<bool> IsGetUnredScore(string uuid)
{
MessageCenterSessionRedis o = new MessageCenterSessionRedis();
o.UserUUID = uuid;
string zsetName = _redis.GetKeyName<UnReadMessageCountZsetAttribute>(o);
var pair = await _redis.GetRangeByRankWithScoreAsync<MessageCenterSessionRedis>(zsetName, from: 0, to: 0);
if (pair == null || pair.Length==0)
return false;
return pair[0].Value > 0;
}
/// <summary>
/// 获取一个uuid某个聊天session的未读消息数量。
/// </summary>
/// <param name="uuid"></param>
/// <param name="sessionId"></param>
/// <returns></returns>
public static async Task<double> GetUnreadScore(string uuid, string sessionId)
{
MessageCenterSessionRedis o = new MessageCenterSessionRedis();
o.UserUUID = uuid;o.SessionId = sessionId;
var db = _redis.GetDb<MessageCenterSessionRedis>();
string zsetName = _redis.GetKeyName<UnReadMessageCountZsetAttribute>(o);
double? value = await db.SortedSetScoreAsync(zsetName, sessionId);
if (value.HasValue)
return value.Value;
return 0;
}
/// <summary>
/// 按照时间先后顺序获取一个用户的聊天session
/// </summary>
/// <param name="uuid"></param>
/// <param name="sessionId"></param>
/// <param name="orderWay"></param>
/// <param name="from"></param>
/// <param name="to"></param>
/// <returns>返回UUid的最近的会话session列表。</returns>
public static async Task<KeyValuePair<string, double>[]> GetSessionsTimeStampByUuid(string uuid, Order orderWay = Order.Descending, long from = 0, long to = -1)
{
MessageCenterSessionRedis o = new MessageCenterSessionRedis();
o.UserUUID = uuid;
string zsetName = _redis.GetKeyName<TimeStampZsetAttribute>(o);
return await _redis.GetRangeByRankWithScoreAsync<MessageCenterSessionRedis>(zsetName, orderWay, from, to);
}