private string UpdateLike(int newsID)
{
bool isSuccess = false;
var newsHistory = KLLikeHistory.GetAll().Where(h => h.NewsID == newsID && h.AuthorID == GetAuthor(currentUser.UserId)).SingleOrDefault();
if (newsHistory == null)
{
newsHistory = new KLLikeHistory();
newsHistory.NewsID = newsID;
newsHistory.AuthorID = GetAuthor(currentUser.UserId);
newsHistory.CreateDate = DateTime.Now;
newsHistory.Save();
var news = KLNews.GetAll().Where(n => n.NewsID == newsID).SingleOrDefault();
news.LikeCount += 1;
isSuccess = news.Save();
}
else
{
KLLikeHistory.Delete(newsHistory.LikeID);
var news = KLNews.GetAll().Where(n => n.NewsID == newsID).SingleOrDefault();
news.LikeCount -= 1;
isSuccess = news.Save();
}
return(isSuccess ? "success" : "fail");
}
protected bool CheckLiked(int newsID)
{
try
{
List <KLLikeHistory> lstLiked = KLLikeHistory.GetAll().Where(l => l.AuthorID == GetAuthor(currentUser.UserId)).ToList();
foreach (var item in lstLiked)
{
if (newsID == item.NewsID)
{
return(true);
}
}
return(false);
}
catch (Exception ex)
{
return(false);
log.Error(ex.Message);
}
}