public static List <BlogStory> GetPerPage(this List <BlogStory> stories,
Int32 pageNumber,
Int32 perPage,
StorySort sortType,
StoryFilter filter)
{
IEnumerable <BlogStory> query = stories;
if (filter == StoryFilter.Published)
{
query = query.Where(x => x.PublishedDate.HasValue);
}
else if (filter == StoryFilter.UnPublished)
{
query = query.Where(x => !x.PublishedDate.HasValue);
}
query = sortType == StorySort.CreateDate
? query.OrderByDescending(x => x.CreateDate)
: query.OrderByDescending(x => x.PublishedDate);
return(query.Skip((pageNumber - 1) * perPage)
.Take(perPage).ToList());
}
public static void SetStoryTagPageSliding(this IMemoryCache cache, MainPageViewModel viewModel, String alias, StorySort sort, Int32 minutesCount)
{
var key = $"{CacheKeys.TagStoriesPagePrefix}{alias}-{viewModel.PageNumberNumber}-{viewModel.PageSize}-{sort}";
var pages = cache.Get <List <String> >(CacheKeys.TagPagesStories);
if (pages == null)
{
pages = new List <String> {
key
};
}
else if (!pages.Contains(key))
{
pages.Add(key);
}
cache.SetSliding(CacheKeys.TagPagesStories, pages, minutesCount);
cache.SetSliding(key, viewModel, minutesCount);
}
public static MainPageViewModel GetStoryTagPage(this IMemoryCache cache, String alias, Int32 page, Int32 count, StorySort sort)
{
return(cache.Get <MainPageViewModel>($"{CacheKeys.TagStoriesPagePrefix}{alias}-{page}-{count}-{sort}"));
}
