AutoSaveEntryHandler.cs :  » Bloggers » dasBlog » newtelligence » DasBlog » Web » Services » C# / CSharp Open Source

using System;
using System.Web;
using newtelligence.DasBlog.Runtime;
using newtelligence.DasBlog.Web.Core;

namespace newtelligence.DasBlog.Web.Services{
  /// <summary>
  /// Summary description for AutoSaveEntryHandler.
  /// </summary>
  public class AutoSaveEntryHandler : IHttpHandler
  {
    public AutoSaveEntryHandler()
    {
    }

    public bool IsReusable
    {
      get
      {
        return true;
      }
    }

    public void ProcessRequest( HttpContext context )
    {
       if (!SiteSecurity.IsValidContributor()) 
      {
        context.Response.Redirect("~/FormatPage.aspx?path=SiteConfig/accessdenied.format.html");
      }

      SiteConfig siteConfig = SiteConfig.GetSiteConfig();

      string entryId = "";
      string author = "";
      string title = "";
      string textToSave = "";
      string redirectUrl = SiteUtilities.GetStartPageUrl();


      System.Xml.XmlTextReader xtr = new System.Xml.XmlTextReader(context.Request.InputStream);
      try
      {
        while (!xtr.EOF)
        {
          xtr.Read();
          if (xtr.Name=="entryid")
          {
            entryId = xtr.ReadInnerXml();
          }
          if (xtr.Name=="author")
          {
            author = xtr.ReadInnerXml();
          }
          if (xtr.Name=="title" && xtr.NodeType == System.Xml.XmlNodeType.Element)
          {
            // Ensure this is the start element before moving forward to the CDATA.
            xtr.Read();  // Brings us to the CDATA inside "title"
            title = xtr.Value;
          }
          if (xtr.Name=="posttext" && xtr.NodeType == System.Xml.XmlNodeType.Element)
          {
            xtr.Read();
            textToSave = xtr.Value;
          }
        }
      }
      finally
      {
        xtr.Close();
      }


      // make sure the entry param is there
      if (entryId == null || entryId.Length == 0) 
      {
        context.Response.Redirect(SiteUtilities.GetStartPageUrl(siteConfig));
        return;
      }
      else
      {
        ILoggingDataService logService = LoggingDataServiceFactory.GetService(SiteConfig.GetLogPathFromCurrentContext());
        IBlogDataService dataService = BlogDataServiceFactory.GetService(SiteConfig.GetContentPathFromCurrentContext(), logService );
      
        // First, attempt to get the entry.  If the entry exists, then get it for editing 
        // and save.  If not, create a brand new entry and save it instead.
        Entry entry = dataService.GetEntry(entryId);
        if ( entry != null )
        {
          entry = dataService.GetEntryForEdit( entryId );
          Entry modifiedEntry = entry.Clone();
          modifiedEntry.Content = textToSave;
          modifiedEntry.Title = title;
          modifiedEntry.Author = author;
          modifiedEntry.Syndicated = false;
          modifiedEntry.IsPublic = false;
          modifiedEntry.ModifiedUtc = DateTime.Now.ToUniversalTime();
          modifiedEntry.Categories = "";
          dataService.SaveEntry(modifiedEntry, null);

          //context.Request.Form["textbox1"];
          
          logService.AddEvent(
            new EventDataItem( 
            EventCodes.EntryChanged, entryId, 
            context.Request.RawUrl));
        }
        else
        {
          // This is a brand new entry.  Create the entry and save it.
          entry = new Entry();
          entry.EntryId = entryId;
          entry.CreatedUtc = DateTime.Now.ToUniversalTime();
          entry.ModifiedUtc = DateTime.Now.ToUniversalTime();
          entry.Title = title;
          entry.Author = author;
          entry.Content = textToSave;
          entry.Syndicated = false;
          entry.IsPublic = false;
          dataService.SaveEntry(entry, null);

          //context.Request.Form["textbox1"];
          
          logService.AddEvent(
            new EventDataItem( 
            EventCodes.EntryAdded, entryId, 
            context.Request.RawUrl));
        }
      }
    }
  }
}