public ActionResult Like(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
var comment = this.Data.Comments.GetById(id);
if (comment == null || comment.IsDeleted)
{
return(this.HttpNotFound());
}
var userId = this.User.Identity.GetUserId();
var isLiked = this.Data.CommentLikes.All().Any(l => l.UserId == userId && l.CommentId == id && !l.IsDeleted);
var likesCount = this.Data.CommentLikes.All().Count(a => a.CommentId == id);
var model = new CommentLikeInputModel
{
CommentId = comment.Id,
CommentAuthorId = comment.AuthorId,
IsLiked = isLiked,
LikesCount = likesCount
};
return(this.PartialView(model));
}
public ActionResult Like(CommentLikeInputModel input)
{
if (this.ModelState.IsValid)
{
var comment = this.Data.Comments.GetById(input.CommentId);
if (comment == null || comment.IsDeleted)
{
return(this.HttpNotFound());
}
var userId = this.User.Identity.GetUserId();
if (comment.AuthorId == userId)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
var isLiked =
this.Data.CommentLikes.All()
.Any(l => l.UserId == userId && l.CommentId == input.CommentId && !l.IsDeleted);
if (isLiked)
{
return(this.Dislike(input));
}
var newLike = new CommentLike {
UserId = userId, CommentId = input.CommentId
};
this.Data.CommentLikes.Add(newLike);
this.Data.SaveChanges();
var likesCount = this.Data.CommentLikes.All().Count(a => a.CommentId == input.CommentId);
input.IsLiked = true;
input.LikesCount = likesCount;
var newNotification = new Notification
{
NotificationType = NotificationType.LikePost,
ItemId = comment.Id,
SenderId = userId,
ReceiverId = comment.AuthorId
};
this.Data.Notifications.Add(newNotification);
this.Data.SaveChanges();
this.UpdateNotificationsCount(comment.Author);
return(this.PartialView(input));
}
return(this.JsonError("Comment id is required"));
}
private ActionResult Dislike(CommentLikeInputModel input)
{
var userId = this.User.Identity.GetUserId();
var like =
this.Data.CommentLikes.All()
.FirstOrDefault(l => l.UserId == userId && l.CommentId == input.CommentId && !l.IsDeleted);
if (like != null)
{
this.Data.CommentLikes.Delete(like.Id);
this.Data.SaveChanges();
}
var likesCount = this.Data.CommentLikes.All().Count(a => a.CommentId == input.CommentId);
input.IsLiked = false;
input.LikesCount = likesCount;
return(this.PartialView("Like", input));
}