/// <summary>
/// Add rank for comment by user
/// </summary>
/// <param name="commentId">Unique identification of comment</param>
/// <param name="rank">How much rank it will update</param>
/// <param name="userId">Unique identification of user</param>
/// <returns></returns>
public async Task AddRankForComment(int commentId, int rank, int userId)
{
await _commentRepository.AddRank(commentId, rank);
await _commentRepository.ConnectUserRank(commentId, userId);
}