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);
}
}
}