CQRS : Add PaginatedResult<T>  #203

    public class PaginatedResult<T>
    {
        public PaginatedResult(List<T> res, int totalCount, int pageSize, int currentPage)
        {
            Items = res;
            TotalCount = totalCount;
            var remainder = 0;
            var pageCount =  pageSize == 0 ? 0 :  Math.DivRem(totalCount, pageSize, out remainder);
            if (remainder > 0 || pageCount == 0)
                ++pageCount;

            PageCount = pageCount;
            CurrentPage = currentPage;
            From = currentPage == 1 ? 1 : pageSize * (currentPage - 1);
            To = currentPage == 1 ? res.Count : From + res.Count;
        }

        public int CurrentPage { get; set; }

        public List<T> Items { get; set; }

        public int TotalCount { get; set; }

        public int PageCount { get; set; }

        public int From { get; set; }

        public int To { get; set; }
    }