public async Task <IViewComponentResult> InvokeAsync()
{
var latestRanking = await _cache.GetOrCreateAsync("~RankSidebar", async e =>
{
e.AbsoluteExpirationRelativeToNow = _cacheInterval;
var latestData = await _db.HistoryRankings.AsNoTracking().Where(g => g.RankType != HistoryRanking.Type.RankDaily).GroupBy(g => g.RankType).SelectMany(g => g.OrderByDescending(d => d.RankDate).Take(5))
.Select(h => new { HistoryRanking = h, Deleted = !_db.Blogs.Any(b => b.BlogID == h.BlogID) })
.ToListAsync();
var name2nick = _blogUtil.GetNickNames(latestData.Select(r => r.HistoryRanking.Author));
return(latestData.Where(a => !a.Deleted).Select(h => new RankingDisplay
{
Author = name2nick[h.HistoryRanking.Author],
BlogDate = h.HistoryRanking.BlogDate,
BlogID = h.HistoryRanking.BlogID,
BlogThumb = h.HistoryRanking.BlogThumb,
BlogTitle = h.HistoryRanking.BlogTitle,
BlogVisit = h.HistoryRanking.BlogVisit,
BlogUrl = Url.Action("Details", "Blog", new { id = h.HistoryRanking.BlogID }),
RankDate = h.HistoryRanking.RankDate,
Rating = h.HistoryRanking.Rating,
RankType = h.HistoryRanking.RankType,
PostCount = h.HistoryRanking.PostCount
}).ToList());
});
var ids = latestRanking.Select(c => c.BlogID);
_visitCounter.PrepareBlogVisits(ids);
var ratingUtil = ViewContext.HttpContext.RequestServices.GetService(typeof(RatingUtil)) as RatingUtil;
ratingUtil.PrepareRatings(ids);
return(View(latestRanking));
}
public void PrepareListCache(IEnumerable <Blog> list)
{
if (list == null || list.Count() == 0)
{
return;
}
var blogIds = list.Select(b => b.BlogID);
_visitCounter.PrepareBlogVisits(blogIds);
PreparePostCount(blogIds);
RatingUtil.PrepareRatings(_cache, _db, blogIds);
GetNickNames(list.Select(b => b.Author));
}
