/*
 * This work is licensed under the Creative Commons Attribution 2.5 License. 
 * To view a copy of this license, visit http://creativecommons.org/licenses/by/2.5/
 * or send a letter to Creative Commons, 543 Howard Street, 5th Floor, 
 * San Francisco, California, 94105, USA.
 * 
 * Original developer: David Betz <dfb@davidbetz.net>
 * 
*/

using System;
using System.Web;
using System.Web.Profile;
using System.Web.SessionState;
using System.Web.UI;

using FeedBuilder;

public partial class LoadFeed : Page
{
    public Int32 Id
    {
        get
        {
            Int32 id = 0;
            if (Request.QueryString["id"] != null)
            {
                if (Int32.TryParse(Request.QueryString["id"], out id))
                {
                    return id;
                }
            }
            return 0;
        }
    }

    public String EntryTitle
    {
        get
        {
            if (Request.QueryString["title"] != null)
            {
                return Request.QueryString["title"];
            }
            return String.Empty;
        }
    }

    public Guid SecretId
    {
        get
        {
            if (Request.QueryString["secretId"] != null)
            {
                Guid secureId = new Guid();

                try
                {
                    secureId = new Guid(Request.QueryString["secretId"]);
                }
                catch
                {
                    throw new ArgumentException("Invalid SecretId");
                }

                return secureId;
            }
            return new Guid("77D808EC-C070-49F4-A521-8CEF6FCA980F");
        }
    }

    protected void Page_Load(Object sender, EventArgs e)
    {
        Response.ContentType = "text/xml";

        Uri link = Request.Url;

        if (this.SecretId.ToString().ToUpper() != "77D808EC-C070-49F4-A521-8CEF6FCA980F")
        {
            Response.Write(FeedGenerator.GetRssFeedText(this.SecretId, link));
            return;
        }

        if (this.Id > 0)
        {
            Response.Write(FeedGenerator.GetRssFeedText(this.Id, link));
            return;
        }

        if (!String.IsNullOrEmpty(this.EntryTitle))
        {
            Response.Write(FeedGenerator.GetRssFeedText(this.EntryTitle, link));
            return;
        }

        throw new ArgumentException("An Id, Title, or SecretId must be provided.");
    }
}