private CustomViewLocationCacheResult LocatePageFromViewLocations( ActionContext actionContext, string pageName, bool isMainPage) { var controllerName = GetNormalizedRouteValue(actionContext, ControllerKey); var areaName = GetNormalizedRouteValue(actionContext, AreaKey); string razorPageName = null; if (actionContext.ActionDescriptor.RouteValues.ContainsKey(PageKey)) { // Only calculate the Razor Page name if "page" is registered in RouteValues. razorPageName = GetNormalizedRouteValue(actionContext, PageKey); } var expanderContext = new ViewLocationExpanderContext( actionContext, pageName, controllerName, areaName, razorPageName, isMainPage); Dictionary <string, string> expanderValues = null; var expanders = _options.ViewLocationExpanders; // Read interface .Count once rather than per iteration var expandersCount = expanders.Count; if (expandersCount > 0) { expanderValues = new Dictionary <string, string>(StringComparer.Ordinal); expanderContext.Values = expanderValues; // Perf: Avoid allocations for (var i = 0; i < expandersCount; i++) { expanders[i].PopulateValues(expanderContext); } } var cacheKey = new CustomViewLocationCacheKey( expanderContext.ViewName, expanderContext.ControllerName, expanderContext.AreaName, expanderContext.PageName, expanderContext.IsMainPage, expanderValues); if (!ViewLookupCache.TryGetValue(cacheKey, out CustomViewLocationCacheResult cacheResult)) { //_logger.ViewLookupCacheMiss(cacheKey.ViewName, cacheKey.ControllerName); cacheResult = OnCacheMiss(expanderContext, cacheKey); } else { //_logger.ViewLookupCacheHit(cacheKey.ViewName, cacheKey.ControllerName); } return(cacheResult); }
private CustomViewLocationCacheResult LocatePageFromPath(string executingFilePath, string pagePath, bool isMainPage) { var applicationRelativePath = GetAbsolutePath(executingFilePath, pagePath); var cacheKey = new CustomViewLocationCacheKey(applicationRelativePath, isMainPage); if (!ViewLookupCache.TryGetValue(cacheKey, out CustomViewLocationCacheResult cacheResult)) { var expirationTokens = new HashSet <IChangeToken>(); cacheResult = CreateCacheResult(expirationTokens, applicationRelativePath, isMainPage); var cacheEntryOptions = new MemoryCacheEntryOptions(); cacheEntryOptions.SetSlidingExpiration(_cacheExpirationDuration); foreach (var expirationToken in expirationTokens) { cacheEntryOptions.AddExpirationToken(expirationToken); } // No views were found at the specified location. Create a not found result. if (cacheResult == null) { cacheResult = new CustomViewLocationCacheResult(new[] { applicationRelativePath }); } cacheResult = ViewLookupCache.Set( cacheKey, cacheResult, cacheEntryOptions); } return(cacheResult); }
private CustomViewLocationCacheResult OnCacheMiss( ViewLocationExpanderContext expanderContext, CustomViewLocationCacheKey cacheKey) { var viewLocations = GetViewLocationFormats(expanderContext); var expanders = _options.ViewLocationExpanders; // Read interface .Count once rather than per iteration var expandersCount = expanders.Count; for (var i = 0; i < expandersCount; i++) { viewLocations = expanders[i].ExpandViewLocations(expanderContext, viewLocations); } CustomViewLocationCacheResult cacheResult = null; var searchedLocations = new List <string>(); var expirationTokens = new HashSet <IChangeToken>(); foreach (var location in viewLocations) { var path = string.Format( CultureInfo.InvariantCulture, location, expanderContext.ViewName, expanderContext.ControllerName, expanderContext.AreaName); path = CustomViewEnginePath.ResolvePath(path); cacheResult = CreateCacheResult(expirationTokens, path, expanderContext.IsMainPage); if (cacheResult != null) { break; } searchedLocations.Add(path); } // No views were found at the specified location. Create a not found result. if (cacheResult == null) { cacheResult = new CustomViewLocationCacheResult(searchedLocations); } var cacheEntryOptions = new MemoryCacheEntryOptions(); cacheEntryOptions.SetSlidingExpiration(_cacheExpirationDuration); foreach (var expirationToken in expirationTokens) { cacheEntryOptions.AddExpirationToken(expirationToken); } return(ViewLookupCache.Set(cacheKey, cacheResult, cacheEntryOptions)); }