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PhabricatorProjectLogicalAncestorDatasource.php
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Wed, Sep 4, 01:13

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;
}
}

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