public async Task <int> Clap(int clapNumber, int postId)
        {
            var postClap = await _selahDbContext.PostClaps.Where(clap => clap.PostClapId == postId).FirstOrDefaultAsync();

            if (postClap != null)
            {
                postClap.Claps += clapNumber;
                _selahDbContext.Update(postClap);
                await _selahDbContext.SaveChangesAsync();

                return(await GetClaps(postId));
            }

            postClap = new PostClap
            {
                PostClapId = postId,
                Claps      = clapNumber
            };
            _selahDbContext.Add(postClap);
            await _selahDbContext.SaveChangesAsync();

            return(await GetClaps(postId));
        }