using System;
using System.Web;

namespace WebsitePanel.WebDavPortal.Extensions
{
    public static class UriExtensions
    {
        /// <summary>
        /// Adds the specified parameter to the Query String.
        /// </summary>
        /// <param name="url"></param>
        /// <param name="paramName">Name of the parameter to add.</param>
        /// <param name="paramValue">Value for the parameter to add.</param>
        /// <returns>Url with added parameter.</returns>
        public static Uri AddParameter(this Uri url, string paramName, string paramValue)
        {
            var uriBuilder = new UriBuilder(url);
            var query = HttpUtility.ParseQueryString(uriBuilder.Query);
            query[paramName] = paramValue;
            uriBuilder.Query = query.ToString();

            return new Uri(uriBuilder.ToString());
        }
    }
}