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phab/src/applications/phid/query/PhabricatorObjectQuery.php
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PhabricatorObjectQuery.php
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<?php
final class PhabricatorObjectQuery
extends PhabricatorCursorPagedPolicyAwareQuery {
private $phids = array();
private $names = array();
private $types;
private $namedResults;
public function withPHIDs(array $phids) {
$this->phids = $phids;
return $this;
}
public function withNames(array $names) {
$this->names = $names;
return $this;
}
public function withTypes(array $types) {
$this->types = $types;
return $this;
}
protected function loadPage() {
if ($this->namedResults === null) {
$this->namedResults = array();
}
$types = PhabricatorPHIDType::getAllTypes();
if ($this->types) {
$types = array_select_keys($types, $this->types);
}
$names = array_unique($this->names);
$phids = $this->phids;
// We allow objects to be named by their PHID in addition to their normal
// name so that, e.g., CLI tools which accept object names can also accept
// PHIDs and work as users expect.
$actually_phids = array();
if ($names) {
foreach ($names as $key => $name) {
if (!strncmp($name, 'PHID-', 5)) {
$actually_phids[] = $name;
$phids[] = $name;
unset($names[$key]);
}
}
}
$phids = array_unique($phids);
if ($names) {
$name_results = $this->loadObjectsByName($types, $names);
} else {
$name_results = array();
}
if ($phids) {
$phid_results = $this->loadObjectsByPHID($types, $phids);
} else {
$phid_results = array();
}
foreach ($actually_phids as $phid) {
if (isset($phid_results[$phid])) {
$name_results[$phid] = $phid_results[$phid];
}
}
$this->namedResults += $name_results;
return $phid_results + mpull($name_results, null, 'getPHID');
}
public function getNamedResults() {
if ($this->namedResults === null) {
throw new PhutilInvalidStateException('execute');
}
return $this->namedResults;
}
private function loadObjectsByName(array $types, array $names) {
$groups = array();
foreach ($names as $name) {
foreach ($types as $type => $type_impl) {
if (!$type_impl->canLoadNamedObject($name)) {
continue;
}
$groups[$type][] = $name;
break;
}
}
$results = array();
foreach ($groups as $type => $group) {
$results += $types[$type]->loadNamedObjects($this, $group);
}
return $results;
}
private function loadObjectsByPHID(array $types, array $phids) {
$results = array();
$groups = array();
foreach ($phids as $phid) {
$type = phid_get_type($phid);
$groups[$type][] = $phid;
}
$in_flight = $this->getPHIDsInFlight();
foreach ($groups as $type => $group) {
// We check the workspace for each group, because some groups may trigger
// other groups to load (for example, transactions load their objects).
$workspace = $this->getObjectsFromWorkspace($group);
foreach ($group as $key => $phid) {
if (isset($workspace[$phid])) {
$results[$phid] = $workspace[$phid];
unset($group[$key]);
}
}
if (!$group) {
continue;
}
// Don't try to load PHIDs which are already "in flight"; this prevents
// us from recursing indefinitely if policy checks or edges form a loop.
// We will decline to load the corresponding objects.
foreach ($group as $key => $phid) {
if (isset($in_flight[$phid])) {
unset($group[$key]);
}
}
if ($group && isset($types[$type])) {
$this->putPHIDsInFlight($group);
$objects = $types[$type]->loadObjects($this, $group);
$map = mpull($objects, null, 'getPHID');
$this->putObjectsInWorkspace($map);
$results += $map;
}
}
return $results;
}
protected function didFilterResults(array $filtered) {
foreach ($this->namedResults as $name => $result) {
if (isset($filtered[$result->getPHID()])) {
unset($this->namedResults[$name]);
}
}
}
/**
* This query disables policy filtering if the only required capability is
* the view capability.
*
* The view capability is always checked in the subqueries, so we do not need
* to re-filter results. For any other set of required capabilities, we do.
*/
protected function shouldDisablePolicyFiltering() {
$view_capability = PhabricatorPolicyCapability::CAN_VIEW;
if ($this->getRequiredCapabilities() === array($view_capability)) {
return true;
}
return false;
}
public function getQueryApplicationClass() {
return null;
}
}
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