/// <summary> /// 查询自lastActivityId以后进入用户时间线的动态 /// </summary> /// <param name="ownerId">拥有者Id</param> /// <param name="lastActivityId">上次最后呈现的ActivityId</param> /// <param name="applicationId">应用Id</param> /// <param name="ownerType">动态拥有者类型</param> /// <returns>lastActivityId</returns> public IEnumerable <Activity> GetNewerActivities(long ownerId, long lastActivityId, int?applicationId, int?ownerType = null) { //根据lastActivityId获取到LastModified,获取晚于lastActivity.LastModified的动态并按LastModified倒排序 if (ownerType == null) { ownerType = ActivityOwnerTypes.Instance().User(); } return(activityRepository.GetNewerActivities(ownerId, lastActivityId, applicationId, ownerType)); }
/// <summary> /// 更新动态的私有状态 /// </summary> public void UpdatePrivateStatus(long activityId, bool isPrivate, bool isPublic = true) { //仅isPrivate发生变化才执行以下操作: //1、从false->true:参考Generate()中创建用户收件箱、站点收件箱 (注意不要让同一用户及站点收件箱的ActivityId重复) //2、从true->false:移除该ActivityId对应的用户收件箱(动态拥有者的收件箱除外)、站点收件箱; Activity activity = activityRepository.Get(activityId); if (activity == null) { return; } //若没有发生变化,则返回 if (isPrivate == activity.IsPrivate) { return; } activityRepository.UpdatePrivateStatus(activityId, isPrivate); if (isPrivate) { //保留动态操作者的收件箱 activityRepository.DeleteActivityFromUserInboxAndSiteInbox(activityId, activity.UserId); } else { //创建用户收件箱、站点收件箱 ActivityItem activityItem = GetActivityItem(activity.ActivityItemKey); if (activityItem == null) { return; } if (!activityItem.IsUserReceived) { return; } IActivityReceiverGetter receiverGetter = DIContainer.ResolveNamed <IActivityReceiverGetter>(activity.OwnerType.ToString()); IEnumerable <long> receiverUserIds = receiverGetter.GetReceiverUserIds(this, activity); activityRepository.InsertUserInboxs(activity.ActivityId, receiverUserIds); if (isPublic) { //推送给站点动态 if (activityItem.IsSiteReceived && activity.OwnerType == ActivityOwnerTypes.Instance().User()) { activityRepository.InsertSiteInbox(activity.ActivityId); } } } }
/// <summary> /// 查询自lastActivityId以后又有多少动态进入用户的时间线 /// </summary> /// <param name="ownerId">拥有者Id</param> /// <param name="lastActivityId">上次最后呈现的ActivityId</param> /// <param name="applicationId">应用Id</param> /// <param name="operatorName">返回首个动态操作者名称</param> /// <param name="ownerType">动态拥有者类型</param> /// <returns>自lastActivityId以后进入用户时间线的动态个数</returns> public int GetNewerCount(long ownerId, long lastActivityId, int?applicationId, out string operatorName, int?ownerType = null) { //done:mazq,by zhengw:这里根据GetNewerActivity方法获取就行了吧? //mazq回复:性能有差异 if (ownerType == null) { ownerType = ActivityOwnerTypes.Instance().User(); } long userId = 0; int newerCount = activityRepository.GetNewerCount(ownerId, lastActivityId, applicationId, out userId, ownerType); operatorName = string.Empty; if (userId > 0) { var user = DIContainer.Resolve <IUserService>().GetUser(userId); if (user != null) { operatorName = user.DisplayName; } } return(newerCount); }
/// <summary> /// 生成动态 /// </summary> /// <param name="activity">待生成的动态</param> /// <param name="toMyInbox">是否加入我的动态收件箱</param> public void Generate(Activity activity, bool toMyInbox) { ActivityItem activityItem = GetActivityItem(activity.ActivityItemKey); if (activityItem == null) { return; } //1、首先检查IsOnlyOnce是否为true,如果为true并且已经生成过则仅更新动态的最后更新时间 if (activityItem.IsOnlyOnce) { //检测是否已经存在,并更新动态的最后更新时间 if (activityRepository.CheckExistAndUpdateLastModified(activity.OwnerId, activity.OwnerType, activity.ActivityItemKey)) { return; } } //2、如果存在ReferenceId,更新OwnerType+TenantTypeId+ReferenceId对应动态的LastModified; if (activity.ReferenceId > 0) { //对应主体内容动态的最后更新时间设置为当前时间(可能有多个Owner) activityRepository.UpdateLastModified(activity.ReferenceTenantTypeId, activity.ReferenceId); //3、判断用户是否对同一主体内容产生过从属内容动态,如果产生过则替换成本次操作; 处理类似连续回复的情况 if (activityRepository.CheckExistAndUpdateSource(activity)) { return; } } //生成拥有者动态 activityRepository.Insert(activity); //该类操作是否需要给用户推送动态 if (!activityItem.IsUserReceived) { return; } //4、toMyInbox = true,也会加入自己的时间线(动态收件箱) if (toMyInbox) { //加入自己的时间线(动态收件箱) activityRepository.InsertUserInboxs(activity.ActivityId, new List <long> { activity.UserId }); } //私有内容不推送给其他用户 if (activity.IsPrivate) { return; } //5、通过IsReceiveActivity()检查,是否给该粉丝推送动态,推送时确保 ActivityId+UserId 已存在不再添加; IActivityReceiverGetter receiverGetter = DIContainer.ResolveNamed <IActivityReceiverGetter>(activity.OwnerType.ToString()); IEnumerable <long> receiverUserIds = receiverGetter.GetReceiverUserIds(this, activity); activityRepository.InsertUserInboxs(activity.ActivityId, receiverUserIds); //推送给站点动态 if (activityItem.IsSiteReceived && activity.OwnerType == ActivityOwnerTypes.Instance().User()) { activityRepository.InsertSiteInbox(activity.ActivityId); } }