public class PagedList<T> : List<T>
{
    public int current_page { get; set; }
    public int total_pages { get; set; }
    public int page_size { get; set; }
    public int total_count { get; set; }
    public bool has_previous => current_page > 1;
    public bool has_next => current_page < total_pages;

    public PagedList()
    {            
    }

    public PagedList(List<T> items, int count, int page_number, int page_size)
    {
        total_count = count;
        this.page_size = page_size;
        current_page = page_number;
        total_pages = (int)Math.Ceiling(count / (double)page_size);
        AddRange(items);
    }

    public static async Task<PagedList<T>> ToPagedListAsync(IQueryable<T> source, int page_number, int page_size)
    {
        var count = source.Count();
        var items = await source.Skip((page_number - 1) * page_size).Take(page_size).ToListAsync();
        return new PagedList<T>(items, count, page_number, page_size);
    }
}