Differential D14910 Diff 36035 src/applications/project/typeahead/PhabricatorProjectLogicalAncestorDatasource.php

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src/applications/project/typeahead/PhabricatorProjectLogicalAncestorDatasource.php

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				<?php

				final class PhabricatorProjectLogicalAncestorDatasource
				extends PhabricatorTypeaheadCompositeDatasource {

				public function getBrowseTitle() {
				return pht('Browse Projects');
				}

				public function getPlaceholderText() {
				return pht('Type a project name...');
				}

				public function getDatasourceApplicationClass() {
				return 'PhabricatorProjectApplication';
				}

				public function getComponentDatasources() {
				return array(
				new PhabricatorProjectDatasource(),
				);
				}

				protected function didEvaluateTokens(array $results) {
				$phids = array();

				foreach ($results as $result) {
				if (!is_string($result)) {
				continue;
				}
				$phids[] = $result;
				}

				$map = array();
				$skip = array();
				if ($phids) {
				$phids = array_fuse($phids);
				$viewer = $this->getViewer();

				$all_projects = id(new PhabricatorProjectQuery())
				->setViewer($viewer)
				->withAncestorProjectPHIDs($phids)
				->execute();

				foreach ($phids as $phid) {
				$map[$phid][] = $phid;
				}

				foreach ($all_projects as $project) {
				$project_phid = $project->getPHID();
				$map[$project_phid][] = $project_phid;
				foreach ($project->getAncestorProjects() as $ancestor) {
				$ancestor_phid = $ancestor->getPHID();

				if (isset($phids[$project_phid]) && isset($phids[$ancestor_phid])) {
				// This is a descendant of some other project in the query, so
				// we don't need to query for that project. This happens if a user
				// runs a query for both "Engineering" and "Engineering > Warp
				// Drive". We can only ever match the "Warp Drive" results, so
				// we do not need to add the weaker "Engineering" constraint.
				$skip[$ancestor_phid] = true;
				}

				$map[$ancestor_phid][] = $project_phid;
				}
				}
				}

				foreach ($results as $key => $result) {
				if (!is_string($result)) {
				continue;
				}

				if (empty($map[$result])) {
				continue;
				}

				// This constraint is implied by another, stronger constraint.
				if (isset($skip[$result])) {
				unset($results[$key]);
				continue;
				}

				// If we have duplicates, don't apply the second constraint.
				$skip[$result] = true;

				$results[$key] = new PhabricatorQueryConstraint(
				PhabricatorQueryConstraint::OPERATOR_ANCESTOR,
				$map[$result]);
				}

				return $results;
				}

				}