public IActionResult AddLikes(int id)
{
var repo = new PostsRepository(_connectionString);
List <int> likes = HttpContext.Session.Get <List <int> >("Likes");
if (likes == null)
{
likes = new List <int>();
}
else if (likes.Contains(id))
{
return(null);
}
likes.Add(id);
HttpContext.Session.Set("Likes", likes);
var post = repo.GetById(id);
repo.AddLike(id);
return(Json(post));
}