public ActionResult Index(int page = 1)
{
int pagesize = homepagesize;
var query = _db.Blogs.Include("posts").Where(b => b.isApproved == true);
string categoryIds = string.Empty;
bool hideHarmony = false;
bool cachable = true;
if (isHarmony)
{
query = query.Where(b => b.isHarmony);
}
else
{
var opt = _blogUtil.GetUserOption(User.Identity.Name, o => new { o.homepageCategories, o.homepageHideHarmony, o.homepageTagBlacklist });
categoryIds = opt.homepageCategories;
hideHarmony = opt.homepageHideHarmony;
List <int> catIdList = new List <int>();
List <int> tagBlacklist = new List <int>();
if (!string.IsNullOrEmpty(categoryIds))
{
catIdList = JsonConvert.DeserializeObject <List <int> >(categoryIds);
}
if (!string.IsNullOrEmpty(opt.homepageTagBlacklist))
{
tagBlacklist = JsonConvert.DeserializeObject <List <int> >(opt.homepageTagBlacklist);
cachable = false;
}
if (catIdList.Count > 0 || tagBlacklist.Count > 0)
{
catIdList = _catUtil.GetCategoryWithSubcategories(catIdList);
query = BlogHelper.getFilteredQuery(_db, query, tagBlacklist, catIdList, featuredBlogId);
}
if (hideHarmony == true)
{
query = query.Where(b => !b.isHarmony);
}
}
if (featuredBlogId != null && featuredBlogId.Count > 0)
{
ViewBag.featuredBlog = featuredBlogId;
query = query.OrderByDescending(b => featuredBlogId.Contains(b.BlogID)).ThenByDescending(b => b.BlogDate);
}
else
{
query = query.OrderByDescending(b => b.BlogDate);
}
int itemCount = -1, pageCount = -1, pageNumber = 1;
ConcurrentDictionary <string, X.PagedList.IPagedList <BlogDisplay> > cache = null;
if (cachable)
{
var firstPageKey = CacheService.GetHomePageListKey(1, isHarmony, hideHarmony, categoryIds);
cache = _cache.Get <ConcurrentDictionary <string, X.PagedList.IPagedList <BlogDisplay> > >(CacheService.HomePageCacheKey)
?? new ConcurrentDictionary <string, X.PagedList.IPagedList <BlogDisplay> >();
if (cache.Count > 0 && cache.ContainsKey(firstPageKey))
{
itemCount = cache[firstPageKey].TotalItemCount;
pageCount = cache[firstPageKey].PageCount;
}
}
if (pageCount < 0)
{
itemCount = query.Count();
pageCount = (int)Math.Ceiling(itemCount / (double)pagesize);
}
if (page > 0 && page <= pageCount)
{
pageNumber = page;
}
var cachekey = CacheService.GetHomePageListKey(pageNumber, isHarmony, hideHarmony, categoryIds);
X.PagedList.IPagedList <BlogDisplay> model;
if (cache == null || !cache.TryGetValue(cachekey, out model))
{
if (cache != null)
{
_cache.Set(CacheService.HomePageCacheKey, cache, new MemoryCacheEntryOptions()
{
Priority = CacheItemPriority.NeverRemove
});
}
var harmonysettings = _appSettings.HarmonySettings;
if (!isHarmony || harmonysettings.WhitelistTags == null)
{
model = query.Select(b => new BlogDisplay {
blog = b,
tag = _db.TagsInBlogs.Where(t => t.BlogID == b.BlogID).Select(t => t.tag)
}).ToPagedList(pageNumber, pagesize, itemCount);
}
else
{
model = query.Select(b => new BlogDisplay {
blog = b,
tag = _db.TagsInBlogs.Where(t => t.BlogID == b.BlogID &&
!harmonysettings.WhitelistTags.Contains(t.TagID)).Select(t => t.tag)
}).ToPagedList(pageNumber, pagesize, itemCount);
}
if (cache != null)
{
cache.TryAdd(cachekey, model);
}
}
if (Request.IsAjaxRequest())
{
return(PartialView(model));
}
return(View(model));
}