private ModuleViewLocationCacheResult LocatePageFromPath(string executingFilePath, string pagePath)
{
var applicationRelativePath = GetAbsolutePath(executingFilePath, pagePath);
var cacheKey = new ModuleViewLocationCacheKey(applicationRelativePath, null);
if (!ViewLookupCache.TryGetValue(cacheKey, out ModuleViewLocationCacheResult cacheResult))
{
var expirationTokens = new HashSet <IChangeToken>();
cacheResult = CreateCacheResult(expirationTokens, applicationRelativePath);
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 ModuleViewLocationCacheResult(new[] { applicationRelativePath });
}
cacheResult = ViewLookupCache.Set(
cacheKey,
cacheResult,
cacheEntryOptions);
}
return(cacheResult);
}
private ModuleViewLocationCacheResult OnCacheMiss(
ViewLocationExpanderContext expanderContext,
ModuleViewLocationCacheKey cacheKey)
{
IList <string> viewLocations = _options.ModuleViewLocationFormats;
ModuleViewLocationCacheResult cacheResult = null;
List <string> searchedLocations = new List <string>();
HashSet <IChangeToken> expirationTokens = new HashSet <IChangeToken>();
foreach (var location in viewLocations)
{
var path = string.Format(
CultureInfo.InvariantCulture,
location,
expanderContext.ViewName, null);
path = ModuleViewEnginePath.ResolvePath(path);
cacheResult = CreateCacheResult(expirationTokens, path);
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 ModuleViewLocationCacheResult(searchedLocations);
}
var cacheEntryOptions = new MemoryCacheEntryOptions();
cacheEntryOptions.SetSlidingExpiration(_cacheExpirationDuration);
foreach (var expirationToken in expirationTokens)
{
cacheEntryOptions.AddExpirationToken(expirationToken);
}
return(ViewLookupCache.Set(cacheKey, cacheResult, cacheEntryOptions));
}
private ModuleViewLocationCacheResult LocatePageFromViewLocations(
ActionContext actionContext,
string moduleViewName)
{
var expanderContext = new ViewLocationExpanderContext(
actionContext,
moduleViewName,
null,
null,
null,
false);
Dictionary <string, string> expanderValues = null;
var expanders = _options.ModuleViewLocationExpanders;
var expandersCount = expanders.Count;
if (expandersCount > 0)
{
expanderValues = new Dictionary <string, string>(StringComparer.Ordinal);
expanderContext.Values = expanderValues;
for (var i = 0; i < expandersCount; i++)
{
expanders[i].PopulateValues(expanderContext);
}
}
var cacheKey = new ModuleViewLocationCacheKey(
expanderContext.ViewName,
expanderValues);
if (!ViewLookupCache.TryGetValue(cacheKey, out ModuleViewLocationCacheResult cacheResult))
{
cacheResult = OnCacheMiss(expanderContext, cacheKey);
}
return(cacheResult);
}
