ntpa/Ntp.Analyzer/Render/Host/DefaultHostPageRender.cs

//
// HostPageHtmlRender.cs
//
// Author:
//       Carsten Sonne Larsen <cs@innolan.dk>
//
// Copyright (c) 2013 Carsten Sonne Larsen
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Linq;
using System.Text;
using Ntp.Analyzer.Config.Page;

namespace Ntp.Analyzer.Render.Host
{
    public sealed class DefaultHostPageRender : HtmlObjectRender
    {
        private readonly HostPageConfiguration config;
        private readonly string ip;
        private readonly int refresh;

        public DefaultHostPageRender (HostPageConfiguration config, string ip, int refresh)
            : base(config.WebPath)
        {
            this.config = config;
            this.ip = ip;
            this.refresh = refresh;
        }

        public override string RenderHead ()
        {
            StringBuilder builder = new StringBuilder ();

            builder.AppendLine ("<!DOCTYPE html>");
            builder.AppendLine ("<html><head>");
            builder.AppendLine (@"<meta charset=""UTF-8"">");
            builder.AppendLine (@"<style type=""text/css"" media=""screen"">");
            builder.AppendLine ("body {font-family: monospace; line-height:100%; }");
            builder.AppendLine ("table { border-collapse:collapse; border-spacing: 0; width: 940px; }");
            builder.AppendLine (
                "th { text-align: left; font-weight: bold; border-bottom: 2px solid; padding: 0px; padding-top: 5px; padding-bottom: 3px;}");
            builder.AppendLine ("td { padding: 0px; padding-right: 7px; padding-left: 2px; padding-top: 2px; padding-bottom: 2px; }");
            builder.AppendLine ("td.aright { text-align: right; padding-right: 17px;}");
            builder.AppendLine ("td.spc { padding: 0px; line-height: 5px; }");
            builder.AppendLine ("td.but { border-top: 2px solid; padding: 0px; padding-top: 2px; line-height: 7px; }");
            builder.AppendLine ("a:link { color:#33348e; text-decoration: none; }");
            builder.AppendLine ("a:visited { color:#33348e; text-decoration: none; }");
            builder.AppendLine ("a:hover { color:#33348e; text-decoration: underline;; }");
            builder.AppendLine ("a:active { color:#7476b4; text-decoration: underline; }");
            builder.AppendLine ("</style>");
            builder.AppendLine ("<title>");
            builder.AppendLine (config.ServerName);
            builder.AppendLine ("</title>");
            builder.AppendLine (@"<meta http-equiv=""refresh"" content=""" + refresh + @""">");
            builder.AppendLine ("</head>");
            return builder.ToString ();
        }

        public override string Render ()
        {
            return "<body>";
        }

        public override string RenderFooter ()
        {
            StringBuilder builder = new StringBuilder ();
            builder.AppendLine (String.Empty);

            DateTime now = DateTime.Now;

            builder.AppendLine ("<br>");
            builder.Append ("Local time is ");

            builder.Append (now.ToLongDateString () + " ");
            builder.Append (TimeZoneInfo.Local.StandardName + " ");
            builder.Append (now.ToLongTimeString () + ". ");
            builder.AppendLine ("<br><br>");

            if (config.PoolMember) {
                string poolLink = "http://www.pool.ntp.org/scores/" + ip;
                string poolText = String.Format (@"<a href=""{0}"">pool.ntp.org</a>", poolLink);
                builder.Append ("Server is pool member on ");
                builder.Append (poolText);
            }

            if (config.PeerSummeries.Pages.Count () != 0) {
                builder.AppendLine ("<br><br>");
                builder.Append ("Peer graphs are available with ");
                builder.Append (@"<a href=""");
                builder.Append (config.PeerSummeries.Pages.First ().Link);
                builder.Append (@""">");
                builder.Append (config.PeerSummeries.Pages.First ().Title);
                builder.Append (@"</a> and ");
                builder.Append (@"<a href=""");
                builder.Append (config.PeerSummeries.Pages.ToList () [1].Link);
                builder.Append (@""">");
                builder.Append (config.PeerSummeries.Pages.ToList () [1].Title);
                builder.Append (@"</a>.");
            }

            builder.AppendLine ("<br><br>");
            builder.AppendLine ("Page refreshes every 5 minutes.");

            builder.AppendLine ("</body>");
            builder.AppendLine ("</html>");

            return builder.ToString ();
        }
    }
}