Beispiel #1
0
        public virtual PathData ResolveUrl(Url url)
        {
            try
            {
                var path = parser.FindPath(url.RemoveDefaultDocument(Url.DefaultDocument).RemoveExtension(observedExtensions));

                path.CurrentItem = path.CurrentPage;

                if (draftRepository.Versions.TryParseVersion(url[PathData.VersionQueryKey], url["versionKey"], path))
                {
                    return(path);
                }

                string viewPreferenceParameter = url.GetQuery(WebExtensions.ViewPreferenceQueryString);
                if (viewPreferenceParameter == WebExtensions.DraftQueryValue && draftRepository.HasDraft(path.CurrentItem))
                {
                    var draft = draftRepository.Versions.GetVersion(path.CurrentPage);
                    path.TryApplyVersion(draft, url["versionKey"]);
                }

                return(path);
            }
            catch (Exception ex)
            {
                errorHandler.Notify(ex);
            }
            return(PathData.Empty);
        }
        public virtual PathData ResolveUrl(Url url)
        {
            // simple cache to help with multiple requests for same URL - PoC
            if ((lastUrl != null) && (lastUrl.Item1 == url.ToString()))
            {
                var result = lastUrl.Item2;
                lastUrl = null;
                return(result);
            }

            try
            {
                var path = parser.FindPath(url.RemoveDefaultDocument(Url.DefaultDocument).RemoveExtension(observedExtensions));

                path.CurrentItem = path.CurrentPage;

                if (draftRepository.Versions.TryParseVersion(url[PathData.VersionIndexQueryKey], url["versionKey"], path))
                {
                    lastUrl = new Tuple <string, PathData>(url, path);
                    return(path);
                }

                string viewPreferenceParameter = url.GetQuery(WebExtensions.ViewPreferenceQueryString);
                if (viewPreferenceParameter == WebExtensions.DraftQueryValue && draftRepository.HasDraft(path.CurrentItem))
                {
                    var draft = draftRepository.Versions.GetVersion(path.CurrentPage);
                    path.TryApplyVersion(draft, url["versionKey"]);
                }

                lastUrl = new Tuple <string, PathData>(url, path);
                return(path);
            }
            catch (Exception ex)
            {
                errorHandler.Notify(ex);
            }
            return(PathData.Empty);
        }
        /// <summary>Finds the path associated with an url.</summary>
        /// <param name="url">The url to the template to locate.</param>
        /// <param name="startNode">The node to start finding path from if none supplied will start from StartNode</param>
        /// <param name="remainingPath">The remaining path to search</param>
        /// <returns>A PathData object. If no template was found the object will have empty properties.</returns>
        public PathData FindPath(Url url, ContentItem startNode = null, string remainingPath = null)
        {
            if (url == null)
            {
                return(PathData.Empty);
            }

            url = url.GetNormalizedContentUrl();

            var urlKey = GetUrlLowerInvariantString(url);

            // Within the same request, we don't need to clone again!
            if (HttpContext.Current.Items[urlKey] != null)
            {
                return(((Tuple <PathData>)HttpContext.Current.Items[urlKey]).Item1);
            }

            // Make sure the cached path data is initialized thread safely
            Dictionary <string, PathData> cachedPathData = GetCachedPathData();

            PathData data;
            bool     pathDataFound;

            lock (pathLock)
            {
                pathDataFound = cachedPathData.TryGetValue(urlKey, out data);
            }

            if (pathDataFound)
            {
                logger.DebugFormat("Retrieving path {0} from cache for key {1} ({2})", data, urlKey, data.GetHashCode());

                data = data.Attach(persister);
                if (data == null || data.ID == 0)
                {
                    // Cached path has to CMS content
                    HttpContext.Current.Items[urlKey] = Tuple.Create(data);
                    return(data);
                }

                if (!string.IsNullOrEmpty(url.Query))
                {
                    data.UpdateParameters(Url.Parse(url).GetQueries());
                }
            }
            else
            {
                // The requested url doesn't exist in the cached path data
                lock (pathLock)
                {
                    if (cachedPathData.TryGetValue(urlKey, out data))
                    {
                        logger.DebugFormat("Retrieving path {0} from cache (second chance) for key {1} ({2})", data, urlKey, data.GetHashCode());

                        data = data.Attach(persister);
                        if (data == null || data.ID == 0)
                        {
                            // Cached path has to CMS content
                            HttpContext.Current.Items[urlKey] = Tuple.Create(data);
                            return(data);
                        }

                        if (!string.IsNullOrEmpty(url.Query))
                        {
                            data.UpdateParameters(Url.Parse(url).GetQueries());
                        }
                    }
                    else
                    {
                        remainingPath = remainingPath ?? Url.ToRelative(url.Path).TrimStart('~');

                        string   path        = remainingPath;
                        PathData partialPath = GetStartNode(url, cachedPathData, ref path, 0);

                        if (partialPath.ID == 0)
                        {
                            data = inner.FindPath(url);
                            logger.DebugFormat("Found path {0} for url {1}", data, url);
                        }
                        else
                        {
                            string subpath = remainingPath.Substring(path.Length, remainingPath.Length - path.Length);
                            data = inner.FindPath(url, persister.Get(partialPath.ID), subpath);
                            logger.DebugFormat("Found path {0} for subpath {1} below {2}", data, subpath, partialPath.ID);
                        }

                        if (data.IsCacheable)
                        {
                            var detached = data.Detach();
                            logger.DebugFormat("Adding {0} to cache for key {1} ({2})", detached, urlKey, detached.GetHashCode());
                            cachedPathData.Add(urlKey, detached);
                        }
                    }
                }
            }

            HttpContext.Current.Items[urlKey] = Tuple.Create(data);
            return(data);
        }
Beispiel #4
0
        /// <summary>Finds the path associated with an url.</summary>
        /// <param name="url">The url to the template to locate.</param>
        /// <param name="startNode">The node to start finding path from if none supplied will start from StartNode</param>
        /// <param name="remainingPath">The remaining path to search</param>
        /// <returns>A PathData object. If no template was found the object will have empty properties.</returns>
        public PathData FindPath(Url url, ContentItem startNode = null, string remainingPath = null)
        {
            if (url == null)
            {
                return(PathData.Empty);
            }

            url = url.GetNormalizedContentUrl();

            var urlKey = GetUrlLowerInvariantString(url);

            // Make sure the cached path data is initialized thread safely
            Dictionary <string, PathData> cachedPathData;

            if ((cachedPathData = cache.Get <Dictionary <string, PathData> >("N2.PathDataCache")) == null)
            {
                lock (pathLock)
                {
                    if ((cachedPathData = cache.Get <Dictionary <string, PathData> >("N2.PathDataCache")) == null)
                    {
                        cachedPathData = new Dictionary <string, PathData>();
                        cache.Add("N2.PathDataCache", cachedPathData, new CacheOptions {
                            SlidingExpiration = SlidingExpiration
                        });
                    }
                }
            }

            PathData data;
            bool     pathDataFound;

            lock (pathLock)
            {
                pathDataFound = cachedPathData.TryGetValue(urlKey, out data);
            }

            if (pathDataFound)
            {
                logger.DebugFormat("Retrieving path {0} from cache for key {1} ({2})", data, urlKey, data.GetHashCode());

                data = data.Attach(persister);
                if (data == null || data.ID == 0)
                {
                    // Cached path has to CMS content
                    return(data);
                }

                if (!string.IsNullOrEmpty(url.Query))
                {
                    data.UpdateParameters(Url.Parse(url).GetQueries());
                }
            }
            else
            {
                // The requested url doesn't exist in the cached path data
                lock (pathLock)
                {
                    if (cachedPathData.TryGetValue(urlKey, out data))
                    {
                        logger.DebugFormat("Retrieving path {0} from cache (second chance) for key {1} ({2})", data, urlKey, data.GetHashCode());

                        data = data.Attach(persister);
                        if (data == null || data.ID == 0)
                        {
                            // Cached path has to CMS content
                            return(data);
                        }

                        if (!string.IsNullOrEmpty(url.Query))
                        {
                            data.UpdateParameters(Url.Parse(url).GetQueries());
                        }
                    }
                    else
                    {
                        remainingPath = remainingPath ?? Url.ToRelative(url.Path).TrimStart('~');

                        string   path        = remainingPath;
                        PathData partialPath = GetStartNode(url, cachedPathData, ref path, 0);

                        if (partialPath.ID == 0)
                        {
                            data = inner.FindPath(url);
                            logger.DebugFormat("Found path {0} for url {1}", data, url);
                        }
                        else
                        {
                            string subpath = remainingPath.Substring(path.Length, remainingPath.Length - path.Length);
                            data = inner.FindPath(url, persister.Get(partialPath.ID), subpath);
                            logger.DebugFormat("Found path {0} for subpath {1} below {2}", data, subpath, partialPath.ID);
                        }

                        if (data.IsCacheable)
                        {
                            var detached = data.Detach();
                            logger.DebugFormat("Adding {0} to cache for key {1} ({2})", detached, urlKey, detached.GetHashCode());
                            cachedPathData.Add(urlKey, detached);
                        }
                    }
                }
            }

            return(data);
        }