// TODO: Move this in an utility class
internal static List <AssetViewModel> GetReferencers(IAssetDependencyManager dependencyManager, SessionViewModel session, IEnumerable <AssetItem> assets)
{
var result = new List <AssetViewModel>();
// Find which assets are referencing the pasted assets in order to fix the reference link.
foreach (var asset in assets)
{
var referencers = dependencyManager.ComputeDependencies(asset.Id, AssetDependencySearchOptions.In, ContentLinkType.Reference);
if (referencers != null)
{
foreach (var referencerLink in referencers.LinksIn)
{
AssetViewModel assetViewModel = session.GetAssetById(referencerLink.Item.Id);
if (assetViewModel != null)
{
if (!result.Contains(assetViewModel))
{
result.Add(assetViewModel);
}
}
}
}
}
return(result);
}
protected override IEnumerable <KeyValuePair <object, List <AssetViewModel> > > FindReferencers(AssetViewModel deletedObject)
{
var session = deletedObject.Session;
var dependencies = dependencyManager.ComputeDependencies(deletedObject.AssetItem.Id, AssetDependencySearchOptions.In, ContentLinkType.Reference);
var referencers = dependencies?.LinksIn.Select(x => session.GetAssetById(x.Item.Id)).NotNull().Where(x => !hashIds.Contains(x.Id)).ToList() ?? new List <AssetViewModel>();
yield return(new KeyValuePair <object, List <AssetViewModel> >(deletedObject, referencers));
}
