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

//
// BootstrapHostTableRender.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.Text;
using Ntp.Analyzer.Config.Page;

namespace Ntp.Analyzer.Render.Host
{
    public sealed class BootstrapHostTableRender : HtmlObjectRender
    {
        public BootstrapHostTableRender (
            HostPageConfiguration page,
            string ip,
            DateTime now,
            DateTime next)
            : base(page.WebPath)
        {
            this.page = page;
            this.ip = ip;
            this.now = now;
            this.next = next;
        }

        private readonly BootstrapTableColumn[] columns = new[] {
            new BootstrapTableColumn (),
            new BootstrapTableColumn ("Name"),
            new BootstrapTableColumn ("st", "aright"),
            new BootstrapTableColumn ("when", "aright"),
            new BootstrapTableColumn ("poll", "aright2"),
            new BootstrapTableColumn ("reach", "aright2"),
            new BootstrapTableColumn ("delay", "aright"),
            new BootstrapTableColumn ("offset", "aright"),
            new BootstrapTableColumn ("jitter", "aright"),
            new BootstrapTableColumn ("iso&nbsp;"),
            new BootstrapTableColumn ("location")
        };
        private readonly string ip;
        private readonly DateTime next;
        private readonly DateTime now;
        private readonly HostPageConfiguration page;

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

            builder.AppendLine (@"<div class=""container theme-showcase"">");
            builder.AppendLine (@"<div class=""jumbotron"">");
            builder.Append ("<h1>");
            builder.Append (page.ServerName);
            builder.AppendLine ("</h1>");

            builder.Append ("<p>");
            builder.Append (now.ToLongDateString () + " ");
            builder.Append (TimeZoneInfo.Local.StandardName + " ");
            builder.Append (now.ToLongTimeString () + ". ");
            builder.Append ("Next refresh scheduled at ");
            builder.Append (next.ToShortTimeString ());
            builder.AppendLine (".</p>");

            builder.AppendLine (@"<div class=""table-responsive"">");
            builder.Append ("<table><tr>");

            foreach (BootstrapTableColumn column in columns) {
                builder.Append (column);
            }

            builder.AppendLine ("</tr>");

            builder.Append (MakeSpacer ());

            return builder.ToString ();
        }

        public override string Render ()
        {
            return String.Empty;
        }

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

            builder.Append (MakeSpacer ());

            builder.Append ("<tr>");

            foreach (BootstrapTableColumn column in columns) {
                builder.Append (column.FooterString);
            }

            builder.AppendLine ("</tr>");
            builder.AppendLine ("</table>");
            builder.AppendLine ("</div>");

            if (page.PoolMember) {
                builder.Append (@"<p class=""pool""><a class=""btn btn-lg btn-primary"" ");
                builder.AppendFormat (@"href=""{0}"">View info on pool.ntp.org &raquo;</a></p>", GetPoolMemberLink ());
                builder.AppendLine ();
            }

            builder.AppendLine ("</div>");
            builder.AppendLine ("</div>");

            return builder.ToString ();
        }

        private string MakeSpacer ()
        {
            StringBuilder builder = new StringBuilder ();

            builder.Append ("<tr>");

            foreach (BootstrapTableColumn column in columns) {
                builder.Append (column.SpacerString);
            }

            builder.AppendLine ("</tr>");

            return builder.ToString ();
        }

        private string GetPoolMemberLink ()
        {
            return "http://www.pool.ntp.org/scores/" + ip;
        }

        private sealed class BootstrapTableColumn
        {
            public BootstrapTableColumn (string name, string cssClass)
            {
                this.name = name;
                this.cssClass = cssClass;
            }

            public BootstrapTableColumn (string name)
            {
                this.name = name;
                this.cssClass = null;
            }

            public BootstrapTableColumn ()
            {
                this.name = "&nbsp;";
                this.cssClass = null;
            }

            private readonly string name;
            private readonly string cssClass;

            public override string ToString ()
            {
                return cssClass != null ? 
                    String.Format (@"<th class=""{1}"">{0}</th>", name, cssClass) : String.Format (@"<th>{0}</th>", name);
            }

            public string SpacerString {
                get {
                    return String.Format (@"<td class=""spc{0}"">&nbsp;</td>", cssClass != null ? " " + cssClass : String.Empty);
                }
            }

            public string FooterString {
                get {
                    return String.Format (@"<td class=""but{0}"">&nbsp;</td>", cssClass != null ? " " + cssClass : String.Empty);
                }
            }
        }
    }
}