/// <inheritdoc/>
public virtual IEnumerable <TEntity> BeforeCreate <TEntity>(IEnumerable <TEntity> entities, ResourcePipeline pipeline) where TEntity : class, IIdentifiable
{
if (GetHook(ResourceHook.BeforeCreate, entities, out var container, out var node))
{
var affected = new AffectedResources <TEntity>((HashSet <TEntity>)node.UniqueEntities, node.PrincipalsToNextLayer());
IEnumerable <TEntity> updated = container.BeforeCreate(affected, pipeline);
node.UpdateUnique(updated);
node.Reassign(entities);
}
FireNestedBeforeUpdateHooks(pipeline, _traversalHelper.CreateNextLayer(node));
return(entities);
}
/// <inheritdoc/>
public virtual IEnumerable <TEntity> BeforeDelete <TEntity>(IEnumerable <TEntity> entities, ResourcePipeline pipeline) where TEntity : class, IIdentifiable
{
if (GetHook(ResourceHook.BeforeDelete, entities, out var container, out var node))
{
var targetEntities = LoadDbValues(typeof(TEntity), (IEnumerable <TEntity>)node.UniqueEntities, ResourceHook.BeforeDelete, node.RelationshipsToNextLayer) ?? node.UniqueEntities;
var affected = new AffectedResources <TEntity>(targetEntities, node.PrincipalsToNextLayer());
IEnumerable <TEntity> updated = container.BeforeDelete(affected, pipeline);
node.UpdateUnique(updated);
node.Reassign(entities);
}
foreach (var entry in node.PrincipalsToNextLayerByType())
{
var dependentType = entry.Key;
var implicitTargets = entry.Value;
FireForAffectedImplicits(dependentType, implicitTargets, pipeline);
}
return(entities);
}