public async Task<IServiceResult> CreateComment(CommentEditViewModel model)
        {
            var result = new ServiceResult<CommentEditViewModel>();

            try
            {
                var issue = await context.Issues.FindAsync(model.IssueId);
                if (issue == null)
                {
                    result.AddError(m => m.IssueId, "Ez a feladat nem létezik");
                }

                var user = await userManager.FindByIdAsync(model.UserId);
                if (user == null)
                {
                    result.AddError(m => m.UserId, "Ez a felhasználó nem létezik");
                }

                if (result.Succeeded)
                {
                    var comment = mapper.Map<Comment>(model);
                    comment.User = user;
                    comment.Issue = issue;
                    comment.Created = DateTime.Now;

                    context.Comments.Add(comment);
                    await context.SaveChangesAsync();

                    result.Data = mapper.Map<Comment, CommentListViewModel>(comment);
                }
            }
            catch (Exception e)
            {
                result.AddError("", e.Message);
            }

            return result;
        }
        public async Task<IServiceResult> UpdateComment(CommentEditViewModel model)
        {
            var result = new ServiceResult<CommentEditViewModel>();

            try
            {
                var comment = model.Id.HasValue ?  await context.Comments.Include(c => c.User).FirstOrDefaultAsync(c => c.Id == model.Id.Value) : null;
                if(comment == null)
                {
                    result.AddError("", "Ez a komment nem létezik");
                    return result;
                }

                if(comment.User.Id != model.UserId)
                {
                    result.AddError(m => m.UserId, "Csak az szerkesztheti a kommentet aki létrehozta");
                }

                if (result.Succeeded)
                {
                    comment.Body = model.Body;
                    comment.Title = model.Title;

                    await context.SaveChangesAsync();
                }
            }
            catch (Exception e)
            {
                result.AddError("", e.Message);
            }

            return result;
        }
 public async Task<ActionResult> Create(CommentEditViewModel model)
 {
     model.UserId = HttpContext.User.Identity.GetUserId();
     return Json(await CommentService.CreateComment(model));
 }