/// <summary>
/// Finds a TypedEntity based on the Uri
/// </summary>
/// <param name="fullUrlIncludingDomain"></param>
/// <param name="revisionStatusType"></param>
/// <returns></returns>
public EntityRouteResult FindEntityByUrl(Uri fullUrlIncludingDomain, RevisionStatusType revisionStatusType = null)
{
Mandate.ParameterNotNull(fullUrlIncludingDomain.Scheme, "Scheme");
var statusTypeCacheKey = (revisionStatusType != null) ? revisionStatusType.Alias : string.Empty;
//cache key is full uri except query string and revision status
var cacheKey = EntityMappedKey + "-" + fullUrlIncludingDomain.GetLeftPart(UriPartial.Path) + "-" + statusTypeCacheKey;
//TODO: We need to change how the NiceUrls are cached because if we store them in one entry as a dictionary in cache, then
// we can do a reverse lookup to see if we've already generated the URL for the entity which may match the fullUrlIncludingDomain,
// if so, then all we have to do is return the entity with the cached ID.
return(ApplicationContext.FrameworkContext.ApplicationCache
.GetOrCreate(cacheKey, () =>
{
using (DisposableTimer.Start(timer =>
LogHelper.TraceIfEnabled <DefaultRoutingEngine>("FindEntityByUrl (not from cache) for URL {0} took {1}ms", () => fullUrlIncludingDomain, () => timer)))
{
ReadonlyGroupUnitFactory <IContentStore> persistenceManager;
using (DisposableTimer.TraceDuration <DefaultRoutingEngine>("FindEntityByUrl: Getting a reader", "FindEntityByUrl: Got a reader"))
persistenceManager = ApplicationContext.Hive.GetReader <IContentStore>(fullUrlIncludingDomain);
if (persistenceManager != null)
{
IReadonlyGroupUnit <IContentStore> readonlyGroupUnit;
using (DisposableTimer.TraceDuration <DefaultRoutingEngine>("FindEntityByUrl: Opening a reader", "FindEntityByUrl: Opened a reader"))
readonlyGroupUnit = persistenceManager.CreateReadonly();
using (var uow = readonlyGroupUnit)
{
//first, lets check if it's an ID URL
var trimmedAppPath = _httpContext.Request.ApplicationPath.TrimEnd('/');
var appPathLength = trimmedAppPath.Length;
// gate-check for the incoming url because some code (e.g. the alt-template checker) could be unaware of vdirs etc.
var absolutePath = fullUrlIncludingDomain.AbsolutePath;
var path = (absolutePath.Length < appPathLength) ? absolutePath : absolutePath.Substring(appPathLength, absolutePath.Length - appPathLength);
var urlId = HiveId.TryParse(path.TrimStart('/'));
if (urlId.Success && urlId.Result.ProviderGroupRoot != null)
{
LogHelper.TraceIfEnabled <DefaultRoutingEngine>("In FindEntityByUrl: Resolving entity by Id URL (Id: {0} ", () => urlId.Result.ToFriendlyString());
try
{
//var entityById = uow.Repositories.Revisions.GetLatestRevision<TypedEntity>(urlId.Result, revisionStatusType);
var entityById = uow.Repositories.OfRevisionType(revisionStatusType).InIds(urlId.Result.AsEnumerableOfOne()).FirstOrDefault();
if (entityById == null)
{
LogHelper.Warn <DefaultRoutingEngine>("In FindEntityByUrl: Resolving entity by Id URL failed (Id: {0} ", urlId.Result.ToFriendlyString());
return null;
}
return new HttpRuntimeCacheParameters <EntityRouteResult>(new EntityRouteResult(entityById, EntityRouteStatus.SuccessById));
}
catch (ArgumentException)
{
//this occurs if the Id parsed but 'not really'
return null;
}
}
TypedEntity lastItemFound;
//is the current requesting hostname/port in our list ?
if (DomainList.ContainsHostname(fullUrlIncludingDomain.Authority))
{
//domain found so get the first item assigned to this domain
LogHelper.TraceIfEnabled <DefaultRoutingEngine>("In FindEntityByUrl: Resolving entity by Domain URL {0}", () => fullUrlIncludingDomain.Authority);
var hostnameEntry = DomainList[fullUrlIncludingDomain.Authority];
//lastRevisionFound = uow.Repositories.Revisions.GetLatestRevision<TypedEntity>(hostnameEntry.ContentId, revisionStatusType);
lastItemFound = uow.Repositories.OfRevisionType(revisionStatusType).InIds(hostnameEntry.ContentId.AsEnumerableOfOne()).FirstOrDefault();
Mandate.That(lastItemFound != null, x => new InvalidOperationException("Could not find an entity with a revision status of '" + revisionStatusType.Alias + "', having a hostname '" + fullUrlIncludingDomain.Authority + "' and id: " + hostnameEntry.ContentId));
}
else
{
//no domain found for the current request, so we need to find the first routable node that doesn't require a domain
LogHelper.TraceIfEnabled <DefaultRoutingEngine>("In FindEntityByUrl: Resolving entity by Non-Domain URL");
//var root = uow.Repositories.Revisions.GetLatestRevision<TypedEntity>(FixedHiveIds.ContentVirtualRoot, revisionStatusType);
//Mandate.That(root != null, x => new InvalidOperationException("Could not find the content root"));
var domainListIds = DomainList.Select(d => d.ContentId).ToArray();
var firstLevelRelations =
uow.Repositories.GetChildRelations(FixedHiveIds.ContentVirtualRoot, FixedRelationTypes.DefaultRelationType).OrderBy(
x => x.Ordinal).ToArray();
//try to find a first level node that doesn't exist in our domain list
var firstNonHostnameEntity = firstLevelRelations.FirstOrDefault(x => !domainListIds.Contains(x.DestinationId));
// Issue #U5-112
// If we have found no entities that are NOT assigned to a domain, given that we have already tried to find
// content matching the current request's domain, we cannot route any content, therefore return null
// Also return null if there is no content
if (firstNonHostnameEntity == null || !firstLevelRelations.Any())
{
return null;
}
var idToUse = firstNonHostnameEntity.DestinationId;
using (DisposableTimer.TraceDuration <DefaultRoutingEngine>("FindEntityByUrl: Querying for " + idToUse, "FindEntityByUrl: Query"))
lastItemFound = uow.Repositories.OfRevisionType(revisionStatusType).InIds(idToUse.AsEnumerableOfOne()).FirstOrDefault();
////if there is no first level node anywhere, then there is no content. Show a friendly message
//if (firstNonHostnameEntity == null && !firstLevelRelations.Any())
// return null;
////if we have a first level node not assigned to a domain, use the first, otherwise if all nodes are assigned to domains, then just use the first
//var idToUse = firstNonHostnameEntity == null ? firstLevelRelations.First().DestinationId : firstNonHostnameEntity.DestinationId;
//lastItemFound = uow.Repositories.OfRevisionType(revisionStatusType).InIds(idToUse.AsEnumerableOfOne()).FirstOrDefault();
}
// Now we will have the path from the current application root like:
// /this/is/a/path/to/a/document
// Now we need to walk down the tree
if (lastItemFound != null && !string.IsNullOrWhiteSpace(path) && path != "/")
{
using (DisposableTimer.TraceDuration <DefaultRoutingEngine>("FindEntityByUrl: Calling GetEntityByPath for " + lastItemFound.Id + " " + path, "FindEntityByUrl: GetEntityByPath"))
lastItemFound = uow
.Repositories
.GetEntityByPath <TypedEntity>(lastItemFound.Id,
path,
revisionStatusType,
true);
}
if (lastItemFound == null)
{
return new HttpRuntimeCacheParameters <EntityRouteResult>(
new EntityRouteResult(null, EntityRouteStatus.FailedNotFoundByName));
}
return new HttpRuntimeCacheParameters <EntityRouteResult>(
new EntityRouteResult(lastItemFound, EntityRouteStatus.SuccessWithoutHostname));
}
}
return null;
}
}));
}
/// <summary>
/// Finds a TypedEntity based on the Uri
/// </summary>
/// <param name="fullUrlIncludingDomain"></param>
/// <param name="revisionStatusType"></param>
/// <returns></returns>
public EntityRouteResult FindEntityByUrl(Uri fullUrlIncludingDomain, RevisionStatusType revisionStatusType)
{
Mandate.ParameterNotNull(fullUrlIncludingDomain.Scheme, "Scheme");
//cache key is full uri except query string and revision status
var cacheKey = EntityMappedKey + "-" + fullUrlIncludingDomain.GetLeftPart(UriPartial.Path) + "-" + revisionStatusType;
//TODO: We need to change how the NiceUrls are cached because if we store them in one entry as a dictionary in cache, then
// we can do a reverse lookup to see if we've already generated the URL for the entity which may match the fullUrlIncludingDomain,
// if so, then all we have to do is return the entity with the cached ID.
return(ApplicationContext.FrameworkContext.ApplicationCache
.GetOrCreate(cacheKey, () =>
{
using (DisposableTimer.Start(timer =>
LogHelper.TraceIfEnabled <DefaultRoutingEngine>("FindEntityByUrl for URL {0} took {1}ms", () => fullUrlIncludingDomain, () => timer)))
{
var persistenceManager = ApplicationContext.Hive.GetReader <IContentStore>(fullUrlIncludingDomain);
if (persistenceManager != null)
{
using (var uow = persistenceManager.CreateReadonly())
{
//first, lets check if it's an ID URL
var path = fullUrlIncludingDomain.AbsolutePath.Substring(
_httpContext.Request.ApplicationPath.TrimEnd('/').Length,
fullUrlIncludingDomain.AbsolutePath.Length - _httpContext.Request.ApplicationPath.TrimEnd('/').Length);
var urlId = HiveId.TryParse(path.TrimStart('/'));
if (urlId.Success && urlId.Result.ProviderGroupRoot != null)
{
LogHelper.TraceIfEnabled <DefaultRoutingEngine>("Resolving entity by Id URL (Id: {0} ", () => urlId.Result.ToFriendlyString());
try
{
var entityById = uow.Repositories.Revisions.GetLatestRevision <TypedEntity>(urlId.Result, revisionStatusType);
if (entityById == null)
{
LogHelper.Warn <DefaultRoutingEngine>("Resolving entity by Id URL failed (Id: {0} ", urlId.Result.ToFriendlyString());
return null;
}
return new HttpRuntimeCacheParameters <EntityRouteResult>(
new EntityRouteResult(entityById.Item, EntityRouteStatus.SuccessById));
}
catch (ArgumentException)
{
//this occurs if the Id parsed but 'not really'
return null;
}
}
Revision <TypedEntity> lastRevisionFound;
TypedEntity lastItemFound;
//is the current requesting hostname/port in our list ?
if (DomainList.ContainsHostname(fullUrlIncludingDomain.Authority))
{
//domain found so get the first item assigned to this domain
LogHelper.TraceIfEnabled <DefaultRoutingEngine>("Resolving entity by Domain URL");
var hostnameEntry = DomainList[fullUrlIncludingDomain.Authority];
lastRevisionFound = uow.Repositories.Revisions.GetLatestRevision <TypedEntity>(hostnameEntry.ContentId, revisionStatusType);
Mandate.That(lastRevisionFound != null, x => new InvalidOperationException("Could not find an entity with a revision status of '" + revisionStatusType.Alias + "', having a hostname '" + fullUrlIncludingDomain.Authority + "' and id: " + hostnameEntry.ContentId));
lastItemFound = lastRevisionFound.Item;
}
else
{
//no domain found for the current request, so we need to find the first routable node that doesn't require a domain
LogHelper.TraceIfEnabled <DefaultRoutingEngine>("Resolving entity by Non-Domain URL");
//var root = uow.Repositories.Revisions.GetLatestRevision<TypedEntity>(FixedHiveIds.ContentVirtualRoot, revisionStatusType);
//Mandate.That(root != null, x => new InvalidOperationException("Could not find the content root"));
var domainListIds = DomainList.Select(d => d.ContentId);
var firstLevelRelations =
uow.Repositories.GetChildRelations(FixedHiveIds.ContentVirtualRoot, FixedRelationTypes.DefaultRelationType).OrderBy(
x => x.Ordinal).ToArray();
//try to find a first level node that doesn't exist in our domain list
var firstNonHostnameEntity = firstLevelRelations.FirstOrDefault(x => !domainListIds.Contains(x.DestinationId));
//if there is no first level node anywhere, then there is no content. Show a friendly message
if (firstNonHostnameEntity == null && firstLevelRelations.Count() == 0)
{
return null;
}
//if we have a first level node not assigned to a domain, use the first, otherwise if all nodes are assigned to domains, then just use the first
lastRevisionFound = uow.Repositories.Revisions.GetLatestRevision <TypedEntity>(
firstNonHostnameEntity == null
? firstLevelRelations.First().DestinationId
: firstNonHostnameEntity.DestinationId, revisionStatusType);
lastItemFound = lastRevisionFound != null ? lastRevisionFound.Item : null;
}
// Now we will have the path from the current application root like:
// /this/is/a/path/to/a/document
// Now we need to walk down the tree
if (lastItemFound != null && !string.IsNullOrWhiteSpace(path) && path != "/")
{
lastItemFound = uow.Repositories.GetEntityByPath <TypedEntity>(lastItemFound.Id, path, revisionStatusType, true);
}
if (lastItemFound == null)
{
return new HttpRuntimeCacheParameters <EntityRouteResult>(
new EntityRouteResult(null, EntityRouteStatus.FailedNotFoundByName));
}
return new HttpRuntimeCacheParameters <EntityRouteResult>(
new EntityRouteResult(lastItemFound, EntityRouteStatus.SuccessWithoutHostname));
}
}
return null;
}
}));
}
