StartPageService.cs :  » Content-Management-Systems-CMS » Kooboo » Everest » CmsServices » Services » C# / CSharp Open Source

/*
Kooboo is a content management system based on ASP.NET MVC framework. Copyright 2009 Yardi Technology Limited.

This program is free software: you can redistribute it and/or modify it under the terms of the
GNU General Public License version 3 as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program.
If not, see http://www.kooboo.com/gpl3/.
*/
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using Everest.Library.ExtensionMethod;
using Everest.Library.Net;
using System.Net;
using System.Collections.Specialized;

namespace Everest.CmsServices.Services{
    public class StartPageService
    {
        static string StartPageUrl
        {
            get
            {
                string startPageUrl = System.Configuration.ConfigurationManager.AppSettings["StartPageUrl"];
                if (string.IsNullOrEmpty(startPageUrl))
                {
                    startPageUrl = "http://www.kooboo.com/start";
                }
                return startPageUrl;
            }
        }
        string DefaultStartPageFile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Template/StartPages/StartPage.html");
        public string GetCachedStartPage(string culture)
        {
            string startPageHtml = "";
            var fileName = GetStartPageFileName(culture);
            if (!File.Exists(fileName))
            {
                fileName = DefaultStartPageFile;
            }
            if (File.Exists(fileName))
            {
                using (var fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read))
                {
                    startPageHtml = fileStream.ReadString();
                }
            }

            return startPageHtml;
        }

        public string GetLastestStartPage(string culture)
        {            
            HttpStatusCode statusCode;
            HtmlRequest htmlRequest = new HtmlRequest();
            var parameter = new NameValueCollection();
            parameter.Add("culture", culture);
            parameter.Add("version", CmsGlobal.KoobooVersion);            
            try
            {
                var html = htmlRequest.Request(StartPageUrl, parameter, "GET", out statusCode);
                if (statusCode == HttpStatusCode.OK)
                {
                    SaveToFile(html, culture);
                    return html;
                }
            }
            catch (Exception e)
            {
                Everest.Library.HealthMonitor.HealthMonitoringLogging.LogError(e);
            }
            return "";
        }
        private void SaveToFile(string html, string culture)
        {
            var fileName = GetStartPageFileName(culture);
            string directory = Path.GetDirectoryName(fileName);
            if (!Directory.Exists(directory))
            {
                Directory.CreateDirectory(directory);
            }
            using (var fileStream = new FileStream(fileName, FileMode.Create, FileAccess.Write, FileShare.Read))
            {
                fileStream.WriteString(html);
            }
        }
        private string GetStartPageFileName(string culture)
        {
            return Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Template/StartPages/StartPage_" + culture + ".html");
        }
    }
}