public async Task <double> GetArticleLikes(int id)
{
var db = new LikesDb();
double likesCount = db.Likes.Where(x => x.ArticleId == id).Count();
return(likesCount);
}
public async Task <ActionResult> AddLike(int id)
{
var db = new ArticlesDb();
var likeDb = new LikesDb();
var article = db.Articles.Find(id);
var userId = HttpContext.User.Identity.GetUserId();
var like = likeDb.Likes.Where(x => x.UserId == userId && x.ArticleId == article.Id).FirstOrDefault();
//user already liked this so remove like
if (like != null)
{
if (article != null)
{
likeDb.Likes.Remove(like);
await likeDb.SaveChangesAsync();
article.Likes = await GetArticleLikes(id);
await db.SaveChangesAsync();
}
}
else
{
if (article != null)
{
like = new Like();
like.ArticleId = article.Id;
like.UserId = userId;
likeDb.Likes.Add(like);
await likeDb.SaveChangesAsync();
article.Likes = await GetArticleLikes(id);
await db.SaveChangesAsync();
}
}
return(PartialView("~/Views/Articles/Partials/LikesCount.cshtml", article));
}