public IActionResult Index([FromQuery] int page)
{
var authenticated = User.Identity?.IsAuthenticated ?? false;
var viewModel = _cacheClient.GetOrCreate(
CacheKeyBuilder.Build(nameof(HomeController), nameof(Index), page, authenticated),
() =>
{
var posts =
_blogService.GetAllPosts().Where(x => x.Raw.IsPostPublished() || authenticated).ToList();
var toppedPosts = posts.Where(x => x.Raw.IsTopping).ToList();
foreach (var blogPost in toppedPosts)
{
posts.Remove(blogPost);
}
posts.InsertRange(0, toppedPosts);
var postsPerPage = Convert.ToInt32(_blogOptions.PostsPerPage);
var model = new PagedViewModel <PostViewModel>(page, posts.Count, postsPerPage)
{
Url = Request.Path
};
foreach (var blogPost in posts.Chunk(postsPerPage).ElementAtOrDefault(model.CurrentPage - 1) ??
Enumerable.Empty <BlogPostRuntime>())
{
var postViewModel = new PostViewModel {
Current = blogPost
};
postViewModel.SetAdditionalInfo();
model.Items.Add(postViewModel);
}
return(model);
});
if (viewModel.CurrentPage > 1)
{
ViewData["RobotsEnabled"] = false;
ViewData["Title"] = $"首页：第{viewModel.CurrentPage}页";
}
return(View(viewModel));
}
public IActionResult Post([FromRoute] string link)
{
var authenticated = User.Identity?.IsAuthenticated ?? false;
var viewModel = _cacheClient.GetOrCreate(
CacheKeyBuilder.Build(nameof(HomeController), nameof(Post), authenticated, link),
() =>
{
var post = _blogService.GetAllPosts().FirstOrDefault(x =>
StringUtil.EqualsIgnoreCase(x.Raw.Link, link) &&
(x.Raw.IsPostPublished() || authenticated));
if (post == null)
{
return(null);
}
var previousPost = _blogService.GetAllPosts()
.FirstOrDefault(x => x.Raw.PublishTime < post.Raw.PublishTime);
var nextPost = _blogService.GetAllPosts()
.LastOrDefault(x => x.Raw.PublishTime > post.Raw.PublishTime);
var model = new PostViewModel
{
Current = post,
Previous = previousPost,
Next = nextPost
};
model.SetAdditionalInfo();
return(model);
});
if (viewModel == null)
{
return(NotFound());
}
_blogService.EnqueuePostAccess(viewModel.Current.Raw.Link);
return(View("Index", viewModel));
}