/// <summary>
        /// 创建 <see cref="DiscoveryPage"/>
        /// </summary>
        /// <param name="currentUserId">当前登录用户 ID</param>
        /// <param name="dbContext"><see cref="KeylolDbContext"/></param>
        /// <param name="cachedData"><see cref="CachedDataProvider"/></param>
        /// <returns><see cref="DiscoveryPage"/></returns>
        public static async Task <DiscoveryPage> CreateAsync(string currentUserId, KeylolDbContext dbContext,
                                                             CachedDataProvider cachedData)
        {
            var onSalePoints = await OnSalePointList.CreateAsync(currentUserId, 1, true, true, dbContext, cachedData);

            var latestArticles = await LatestArticleList.CreateAsync(1, true, true, dbContext, cachedData);

            return(new DiscoveryPage
            {
                SlideshowEntries = await SlideshowEntryList.CreateAsync(1, 4, dbContext),
                SpotlightPoints = await SpotlightPointList.CreateAsync(currentUserId, 1, 30, dbContext, cachedData),
                SpotlightReviews = await SpotlightArticleList.CreateAsync(currentUserId, 1, 4,
                                                                          SpotlightArticleStream.ArticleCategory.Review, dbContext, cachedData),
                SpotlightStudies = await SpotlightArticleList.CreateAsync(currentUserId, 1, 4,
                                                                          SpotlightArticleStream.ArticleCategory.Study, dbContext, cachedData),
                OnSalePointHeaderImage = onSalePoints.Item3,
                OnSalePointPageCount = onSalePoints.Item2,
                OnSalePoints = onSalePoints.Item1,
                SpotlightStories = await SpotlightArticleList.CreateAsync(currentUserId, 1, 4,
                                                                          SpotlightArticleStream.ArticleCategory.Story, dbContext, cachedData),
                LatestArticleHeaderImage = latestArticles.Item3,
                LatestArticlePageCount = latestArticles.Item2,
                LatestArticles = latestArticles.Item1,
                LatestActivityHeaderImage = onSalePoints.Item4,
                LatestActivities = await TimelineCardList.CreateAsync(LatestActivityStream.Name, currentUserId,
                                                                      12, false, dbContext, cachedData)
            });
        }
 /// <summary>
 /// 获取精选谈论
 /// </summary>
 /// <param name="page">分页页码</param>
 /// <param name="dbContext"><see cref="KeylolDbContext"/></param>
 /// <param name="cachedData"><see cref="CachedDataProvider"/></param>
 /// <returns><see cref="SpotlightArticleList"/></returns>
 public static async Task <SpotlightArticleList> GetSpotlightStories(int page,
                                                                     [Injected] KeylolDbContext dbContext, [Injected] CachedDataProvider cachedData)
 {
     return(await SpotlightArticleList.CreateAsync(StateTreeHelper.GetCurrentUserId(), page, 12,
                                                   SpotlightArticleStream.ArticleCategory.Story, dbContext, cachedData));
 }