/// <summary>
/// 获取所有动态信息
/// </summary>
/// <returns></returns>
public static List <UserActivity> GetUserActivities()
{
UserActivityQuery query = new UserActivityQuery();
query.PageSize = Int32.MaxValue;
return(GetUserActivities(query).Records);
}
/// <summary>
/// 根据<paramref name="query"/>查询动态信息
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public static PagingDataSet <UserActivity> GetUserActivities(UserActivityQuery query)
{
PagingDataSet <UserActivity> activities = null;
string cacheKey = CacheKeyManager.GetUserActivityQueryKey(query);
//从缓存读取
if (HttpContext.Current != null)
{
activities = HttpContext.Current.Items[cacheKey] as PagingDataSet <UserActivity>;
}
if (activities != null)
{
return(activities);
}
activities = HHCache.Instance.Get(cacheKey) as PagingDataSet <UserActivity>;
if (activities == null)
{
int totalRecods;
List <UserActivity> activityList = CommonDataProvider.Instance.GetUserActivities(query, out totalRecods);
activities = new PagingDataSet <UserActivity>();
activities.Records = activityList;
activities.TotalRecords = totalRecods;
HHCache.Instance.Insert(cacheKey, activities, 1);
if (HttpContext.Current != null)
{
HttpContext.Current.Items[cacheKey] = activities;
}
}
return(activities);
}
public static string GetUserActivityQueryKey(UserActivityQuery userActivityQuery)
{
return(ActivityPrefix + string.Format(
"PI{0}PS{1}UID{2}ST{3}ET{4}",
userActivityQuery.PageIndex,
userActivityQuery.PageSize,
userActivityQuery.UserID,
userActivityQuery.StartTime.Ticks,
userActivityQuery.EndTime.Ticks));
}