/mojoPortal.Features.UI/ImageGallery/Components/GalleryImageIndexBuilderProvider.cs

/// Author:					    Joe Audette

/// Created:				    2007-08-30

/// Last Modified:			    2013-01-15

/// 

/// The use and distribution terms for this software are covered by the 

/// Common Public License 1.0 (http://opensource.org/licenses/cpl.php)  

/// which can be found in the file CPL.TXT at the root of this distribution.

/// By using this software in any fashion, you are agreeing to be bound by 

/// the terms of this license.

///

/// You must not remove this notice, or any other, from this software.



using log4net;

using mojoPortal.Business;

using mojoPortal.Business.WebHelpers;

using mojoPortal.SearchIndex;

using mojoPortal.Web;

using System;

using System.Collections.Generic;

using System.Data;



namespace mojoPortal.Features

{

    public class GalleryImageIndexBuilderProvider : IndexBuilderProvider

    {

        private static readonly ILog log = LogManager.GetLogger(typeof(GalleryImageIndexBuilderProvider));

        private static bool debugLog = log.IsDebugEnabled;



        public GalleryImageIndexBuilderProvider()

        { }



        public override void RebuildIndex(

            PageSettings pageSettings,

            string indexPath)

        {

            if (WebConfigSettings.DisableSearchIndex) { return; }

            if (pageSettings == null) return;



            //don't index pending/unpublished pages

            if (pageSettings.IsPending) { return; }



            log.Info("GalleryImageIndexBuilderProvider indexing page - " 

                + pageSettings.PageName);



            try

            {

                Guid galleryFeatureGuid = new Guid("d572f6b4-d0ed-465d-ad60-60433893b401");

                ModuleDefinition galleryFeature = new ModuleDefinition(galleryFeatureGuid);



                List<PageModule> pageModules

                        = PageModule.GetPageModulesByPage(pageSettings.PageId);



                DataTable dataTable = GalleryImage.GetImagesByPage(pageSettings.SiteId, pageSettings.PageId);



                foreach (DataRow row in dataTable.Rows)

                {

                    mojoPortal.SearchIndex.IndexItem indexItem = new mojoPortal.SearchIndex.IndexItem();

                    indexItem.SiteId = pageSettings.SiteId;

                    indexItem.PageId = pageSettings.PageId;

                    indexItem.PageName = pageSettings.PageName;

                    indexItem.ViewRoles = pageSettings.AuthorizedRoles;

                    indexItem.ModuleViewRoles = row["ViewRoles"].ToString();



                    if (pageSettings.UseUrl)

                    {

                        indexItem.ViewPage = pageSettings.Url.Replace("~/", string.Empty);

                        indexItem.UseQueryStringParams = false;

                    }

                    indexItem.FeatureId = galleryFeatureGuid.ToString();

                    indexItem.FeatureName = galleryFeature.FeatureName;

                    indexItem.FeatureResourceFile = galleryFeature.ResourceFile;



                    // TODO: it would be good to check the module settings and if not

                    // in compact mode use the GalleryBrowse.aspx page

                    //indexItem.ViewPage = "GalleryBrowse.aspx";



                    indexItem.ItemId = Convert.ToInt32(row["ItemID"]);

                    indexItem.ModuleId = Convert.ToInt32(row["ModuleID"]);

                    indexItem.ModuleTitle = row["ModuleTitle"].ToString();

                    indexItem.Title = row["Caption"].ToString();

                    indexItem.Content = row["Description"].ToString();



                    indexItem.QueryStringAddendum = "&ItemID"

                        + row["ModuleID"].ToString()

                        + "=" + row["ItemID"].ToString();



                    indexItem.CreatedUtc = Convert.ToDateTime(row["UploadDate"]);

                    indexItem.LastModUtc = indexItem.CreatedUtc;



                    // lookup publish dates

                    foreach (PageModule pageModule in pageModules)

                    {

                        if (indexItem.ModuleId == pageModule.ModuleId)

                        {

                            indexItem.PublishBeginDate = pageModule.PublishBeginDate;

                            indexItem.PublishEndDate = pageModule.PublishEndDate;

                        }

                    }



                    mojoPortal.SearchIndex.IndexHelper.RebuildIndex(indexItem, indexPath);



                    if (debugLog) log.Debug("Indexed " + indexItem.Title);



                }

            }

            catch (System.Data.Common.DbException ex)

            {

                log.Error(ex);

            }

            

            



        }



        public override void ContentChangedHandler(

            object sender,

            ContentChangedEventArgs e)

        {

            if (WebConfigSettings.DisableSearchIndex) { return; }

            GalleryImage galleryImage = (GalleryImage)sender;

            if (e.IsDeleted)

            {

                SiteSettings siteSettings = CacheHelper.GetCurrentSiteSettings();

                if (siteSettings == null) return;

                // get list of pages where this module is published

                List<PageModule> pageModules

                    = PageModule.GetPageModulesByModule(galleryImage.ModuleId);



                foreach (PageModule pageModule in pageModules)

                {

                    RemoveGalleryImageIndexItem(

                        siteSettings.SiteId,

                        pageModule.PageId,

                        galleryImage.ModuleId,

                        galleryImage.ItemId);

                }



            }

            else

            {

                IndexItem(galleryImage);

            }



        }



        private static void IndexItem(GalleryImage galleryImage)

        {

            if (WebConfigSettings.DisableSearchIndex) { return; }

            SiteSettings siteSettings = CacheHelper.GetCurrentSiteSettings();

            if ((siteSettings == null)

                    || (galleryImage == null))

            {

                return;

            }



            Guid galleryFeatureGuid = new Guid("d572f6b4-d0ed-465d-ad60-60433893b401");

            ModuleDefinition galleryFeature = new ModuleDefinition(galleryFeatureGuid);

            Module module = new Module(galleryImage.ModuleId);



            // get list of pages where this module is published

            List<PageModule> pageModules

                = PageModule.GetPageModulesByModule(galleryImage.ModuleId);



            foreach (PageModule pageModule in pageModules)

            {

                PageSettings pageSettings

                = new PageSettings(

                siteSettings.SiteId,

                pageModule.PageId);



                //don't index pending/unpublished pages

                if (pageSettings.IsPending) { continue; }



                mojoPortal.SearchIndex.IndexItem indexItem = new mojoPortal.SearchIndex.IndexItem();

                indexItem.SiteId = siteSettings.SiteId;

                indexItem.PageId = pageSettings.PageId;

                indexItem.PageName = pageSettings.PageName;

                indexItem.ViewRoles = pageSettings.AuthorizedRoles;

                indexItem.ModuleViewRoles = module.ViewRoles;

                indexItem.FeatureId = galleryFeatureGuid.ToString();

                indexItem.FeatureName = galleryFeature.FeatureName;

                indexItem.FeatureResourceFile = galleryFeature.ResourceFile;

                indexItem.CreatedUtc = galleryImage.UploadDate;

                indexItem.LastModUtc = galleryImage.UploadDate;



                indexItem.ItemId = galleryImage.ItemId;

                indexItem.ModuleId = galleryImage.ModuleId;



                indexItem.QueryStringAddendum = "&ItemID" 

                    + galleryImage.ModuleId.ToString()

                    + "=" + galleryImage.ItemId.ToString();



                indexItem.ModuleTitle = module.ModuleTitle;

                indexItem.Title = galleryImage.Caption;

                indexItem.Content = galleryImage.Description;

                indexItem.PublishBeginDate = pageModule.PublishBeginDate;

                indexItem.PublishEndDate = pageModule.PublishEndDate;



                mojoPortal.SearchIndex.IndexHelper.RebuildIndex(indexItem);



                if (debugLog) log.Debug("Indexed " + galleryImage.Caption);

            }



        }





        private static void RemoveGalleryImageIndexItem(

            int siteId,

            int pageId,

            int moduleId, 

            int itemId)

        {

            if (WebConfigSettings.DisableSearchIndex) { return; }



            mojoPortal.SearchIndex.IndexItem indexItem = new mojoPortal.SearchIndex.IndexItem();

            indexItem.SiteId = siteId;

            indexItem.PageId = pageId;

            indexItem.ModuleId = moduleId;

            indexItem.ItemId = itemId;

            indexItem.QueryStringAddendum = "&ItemID" + moduleId.ToString()

                + "=" + itemId.ToString();



            mojoPortal.SearchIndex.IndexHelper.RemoveIndex(indexItem);



            if (debugLog) log.Debug("Removed Index ");

            



        }



    }

}