public async Task <IActionResult> Detail(int pid)
{
try
{
CategoryInfoAsync();
GetInfo getInfo = new GetInfo(_db, _configuration, _cache);
#region correlation posts 5
var correlationPostResult = await getInfo.GetCorrelationPostInfoAsync(pid);
var correlationPostMaps = _mapper.Map <List <Post>, List <PostDto> >(correlationPostResult);
ViewBag.CorrelationPosts = new List <PostDto>();
if (correlationPostMaps.Count > 0)
{
ViewBag.CorrelationPosts = correlationPostMaps;
}
#endregion
var queryPost = await _db.Post.Where(u => u.Id == pid).Include(u => u.PostTag).SingleOrDefaultAsync();
queryPost.Views += 1;
if (queryPost == null)
{
TempData["Error"] = "文章不存在.";
return(Redirect("/home/error"));
}
var postMaps = _mapper.Map <Post, PostDetailDto>(queryPost);
var queryTags = from a in queryPost.PostTag
join b in _db.Tag.AsNoTracking()
on a.TagId equals b.Id
where a.PostId == pid && b.IsActive == true
orderby b.SortNo ascending
select b;
var tagMaps = _mapper.Map <List <Tag>, List <TagDto> >(queryTags.ToList());
postMaps.Tags = tagMaps;
var output = postMaps;
_db.Post.Attach(queryPost);
_db.Entry(queryPost).State = EntityState.Modified;
await _db.SaveChangesAsync();
return(View(output));
}
catch (Exception ex)
{
TempData["Error"] = ex.Message;
return(Redirect("/home/error"));
}
finally
{
_db.Dispose();
}
}
