// internal so it can be used by PublishedNoCache which does _not_ want to cache anything and so will never
// use the static cache getter PublishedContentType.GetPublishedContentType(alias) below - anything else
// should use it.
internal PublishedContentType(IContentTypeComposition contentType)
{
Id = contentType.Id;
Alias = contentType.Alias;
_compositionAliases = new HashSet <string>(contentType.CompositionAliases(), StringComparer.InvariantCultureIgnoreCase);
_propertyTypes = contentType.CompositionPropertyTypes
.Select(x => new PublishedPropertyType(this, x))
.ToArray();
InitializeIndexes();
}
/// <summary>
/// Initializes a new instance of the <see cref="PublishedContentType"/> class with a content type.
/// </summary>
public PublishedContentType(IContentTypeComposition contentType, IPublishedContentTypeFactory factory)
: this(contentType.Id, contentType.Alias, contentType.GetItemType(), contentType.CompositionAliases(), contentType.Variations, contentType.IsElement)
{
var propertyTypes = contentType.CompositionPropertyTypes
.Select(x => factory.CreatePropertyType(this, x))
.ToList();
if (ItemType == PublishedItemType.Member)
{
EnsureMemberProperties(propertyTypes, factory);
}
_propertyTypes = propertyTypes.ToArray();
InitializeIndexes();
}
private static void MapComposition(ContentTypeSave source, IContentTypeComposition target, Func <string, IContentTypeComposition> getContentType)
{
var current = target.CompositionAliases().ToArray();
var proposed = source.CompositeContentTypes;
var remove = current.Where(x => !proposed.Contains(x));
var add = proposed.Where(x => !current.Contains(x));
foreach (var alias in remove)
{
target.RemoveContentType(alias);
}
foreach (var alias in add)
{
// TODO: Remove N+1 lookup
var contentType = getContentType(alias);
if (contentType != null)
{
target.AddContentType(contentType);
}
}
}
private void ValidateLocked(IContentTypeComposition compositionContentType)
{
// performs business-level validation of the composition
// should ensure that it is absolutely safe to save the composition
// eg maybe a property has been added, with an alias that's OK (no conflict with ancestors)
// but that cannot be used (conflict with descendants)
var contentType = compositionContentType as IContentType;
var mediaType = compositionContentType as IMediaType;
IContentTypeComposition[] allContentTypes;
if (contentType != null)
{
allContentTypes = GetAllContentTypes().Cast <IContentTypeComposition>().ToArray();
}
else if (mediaType != null)
{
allContentTypes = GetAllMediaTypes().Cast <IContentTypeComposition>().ToArray();
}
else
{
throw new Exception("Composition is neither IContentType nor IMediaType?");
}
var compositionAliases = compositionContentType.CompositionAliases();
var compositions = allContentTypes.Where(x => compositionAliases.Any(y => x.Alias.Equals(y)));
var propertyTypeAliases = compositionContentType.PropertyTypes.Select(x => x.Alias.ToLowerInvariant()).ToArray();
var indirectReferences = allContentTypes.Where(x => x.ContentTypeComposition.Any(y => y.Id == compositionContentType.Id));
var comparer = new DelegateEqualityComparer <IContentTypeComposition>((x, y) => x.Id == y.Id, x => x.Id);
var dependencies = new HashSet <IContentTypeComposition>(compositions, comparer);
var stack = new Stack <IContentTypeComposition>();
indirectReferences.ForEach(stack.Push);//Push indirect references to a stack, so we can add recursively
while (stack.Count > 0)
{
var indirectReference = stack.Pop();
dependencies.Add(indirectReference);
//Get all compositions for the current indirect reference
var directReferences = indirectReference.ContentTypeComposition;
foreach (var directReference in directReferences)
{
if (directReference.Id == compositionContentType.Id || directReference.Alias.Equals(compositionContentType.Alias))
{
continue;
}
dependencies.Add(directReference);
//A direct reference has compositions of its own - these also need to be taken into account
var directReferenceGraph = directReference.CompositionAliases();
allContentTypes.Where(x => directReferenceGraph.Any(y => x.Alias.Equals(y, StringComparison.InvariantCultureIgnoreCase))).ForEach(c => dependencies.Add(c));
}
//Recursive lookup of indirect references
allContentTypes.Where(x => x.ContentTypeComposition.Any(y => y.Id == indirectReference.Id)).ForEach(stack.Push);
}
foreach (var dependency in dependencies)
{
if (dependency.Id == compositionContentType.Id)
{
continue;
}
var contentTypeDependency = allContentTypes.FirstOrDefault(x => x.Alias.Equals(dependency.Alias, StringComparison.InvariantCultureIgnoreCase));
if (contentTypeDependency == null)
{
continue;
}
var intersect = contentTypeDependency.PropertyTypes.Select(x => x.Alias.ToLowerInvariant()).Intersect(propertyTypeAliases).ToArray();
if (intersect.Length == 0)
{
continue;
}
var message = string.Format("The following PropertyType aliases from the current ContentType conflict with existing PropertyType aliases: {0}.",
string.Join(", ", intersect));
throw new Exception(message);
}
}