Differential D14832 Diff 35887 src/infrastructure/edges/engineextension/PhabricatorEdgesDestructionEngineExtension.php

Changeset View

Standalone View

				<?php

				final class PhabricatorEdgesDestructionEngineExtension
				extends PhabricatorDestructionEngineExtension {

				const EXTENSIONKEY = 'edges';

				public function getExtensionName() {
				return pht('Edges');
				}

				public function destroyObject(
				PhabricatorDestructionEngine $engine,
				$object) {

				$src_phid = $object->getPHID();

				try {
				$edges = id(new PhabricatorEdgeQuery())
				->withSourcePHIDs(array($src_phid))
				->execute();
				} catch (Exception $ex) {
				// This is (presumably) a "no edges for this PHID type" exception.
				return;
				}

				$editor = new PhabricatorEdgeEditor();
				foreach ($edges as $type => $type_edges) {
				foreach ($type_edges as $src => $src_edges) {
				foreach ($src_edges as $dst => $edge) {
				$editor->removeEdge($edge['src'], $edge['type'], $edge['dst']);
				}
				}
				}
				$editor->save();
				}

				}