public static function getLiveServers()
{
$cache = PhabricatorCaches::getRequestCache();
$refs = $cache->getKey(self::KEY_REFS);
if (!$refs) {
$refs = self::newRefs();
$cache->setKey(self::KEY_REFS, $refs);
}
return $refs;
}
private function getEngine()
{
$options = $this->options;
$viewer = $this->getViewer();
$viewer_key = $viewer->getCacheFragment();
ksort($options);
$engine_key = serialize($options);
$engine_key = PhabricatorHash::digestForIndex($engine_key);
$cache = PhabricatorCaches::getRequestCache();
$cache_key = "remarkup.engine({$viewer_key}, {$engine_key})";
$engine = $cache->getKey($cache_key);
if (!$engine) {
$engine = PhabricatorMarkupEngine::newMarkupEngine($options);
$cache->setKey($cache_key, $engine);
}
return $engine;
}
public static function getLiveDevice()
{
$device_id = self::getDeviceID();
if (!$device_id) {
return null;
}
$cache = PhabricatorCaches::getRequestCache();
$cache_key = 'almanac.device.self';
$device = $cache->getKey($cache_key);
if (!$device) {
$viewer = PhabricatorUser::getOmnipotentUser();
$device = id(new AlmanacDeviceQuery())->setViewer($viewer)->withNames(array($device_id))->executeOne();
if (!$device) {
throw new Exception(pht('This host has device ID "%s", but there is no corresponding ' . 'device record in Almanac.', $device_id));
}
$cache->setKey($cache_key, $device);
}
return $device;
}
public function testRequestCache()
{
$cache = PhabricatorCaches::getRequestCache();
$test_key = 'unit.' . Filesystem::readRandomCharacters(8);
$default_value = pht('Default');
$new_value = pht('New Value');
$this->assertEqual($default_value, $cache->getKey($test_key, $default_value));
// Set a key, verify it persists.
$cache = PhabricatorCaches::getRequestCache();
$cache->setKey($test_key, $new_value);
$this->assertEqual($new_value, $cache->getKey($test_key, $default_value));
// Refetch the cache, verify it's really a cache.
$cache = PhabricatorCaches::getRequestCache();
$this->assertEqual($new_value, $cache->getKey($test_key, $default_value));
// Destroy the cache.
PhabricatorCaches::destroyRequestCache();
// Now, the value should be missing again.
$cache = PhabricatorCaches::getRequestCache();
$this->assertEqual($default_value, $cache->getKey($test_key, $default_value));
}
/**
* Determine if an application is installed and available to a viewer, by
* application class name.
*
* To check if an application is installed at all, use
* @{method:isClassInstalled}.
*
* @param string Application class name.
* @param PhabricatorUser Viewing user.
* @return bool True if the class is installed for the viewer.
* @task meta
*/
public static final function isClassInstalledForViewer($class, PhabricatorUser $viewer)
{
if ($viewer->isOmnipotent()) {
return true;
}
$cache = PhabricatorCaches::getRequestCache();
$viewer_phid = $viewer->getPHID();
$key = 'app.' . $class . '.installed.' . $viewer_phid;
$result = $cache->getKey($key);
if ($result === null) {
if (!self::isClassInstalled($class)) {
$result = false;
} else {
$result = PhabricatorPolicyFilter::hasCapability($viewer, self::getByClass($class), PhabricatorPolicyCapability::CAN_VIEW);
}
$cache->setKey($key, $result);
}
return $result;
}
/**
* @task order
*/
public function getOrderableColumns()
{
$cache = PhabricatorCaches::getRequestCache();
$class = get_class($this);
$cache_key = 'query.orderablecolumns.' . $class;
$columns = $cache->getKey($cache_key);
if ($columns !== null) {
return $columns;
}
$columns = array('id' => array('table' => $this->getPrimaryTableAlias(), 'column' => 'id', 'reverse' => false, 'type' => 'int', 'unique' => true));
$object = $this->newResultObject();
if ($object instanceof PhabricatorCustomFieldInterface) {
$list = PhabricatorCustomField::getObjectFields($object, PhabricatorCustomField::ROLE_APPLICATIONSEARCH);
foreach ($list->getFields() as $field) {
$index = $field->buildOrderIndex();
if (!$index) {
continue;
}
$digest = $field->getFieldIndex();
$key = $field->getModernFieldKey();
$columns[$key] = array('table' => 'appsearch_order_' . $digest, 'column' => 'indexValue', 'type' => $index->getIndexValueType(), 'null' => 'tail', 'customfield' => true, 'customfield.index.table' => $index->getTableName(), 'customfield.index.key' => $digest);
}
}
$cache->setKey($cache_key, $columns);
return $columns;
}
public static function getLiveIndividualRef()
{
$cache = PhabricatorCaches::getRequestCache();
$ref = $cache->getKey(self::KEY_INDIVIDUAL);
if (!$ref) {
$ref = self::newIndividualRef();
$cache->setKey(self::KEY_INDIVIDUAL, $ref);
}
return $ref;
}
protected final function getTransactionHint(PhabricatorPolicyInterface $object)
{
$cache = PhabricatorCaches::getRequestCache();
return $cache->getKey(self::getObjectPolicyCacheKey($object, $this));
}
public static function getViewerSpaces(PhabricatorUser $viewer)
{
$cache = PhabricatorCaches::getRequestCache();
$cache_key = self::KEY_VIEWER . '(' . $viewer->getPHID() . ')';
$result = $cache->getKey($cache_key);
if ($result === null) {
$spaces = self::getAllSpaces();
$result = array();
foreach ($spaces as $key => $space) {
$can_see = PhabricatorPolicyFilter::hasCapability($viewer, $space, PhabricatorPolicyCapability::CAN_VIEW);
if ($can_see) {
$result[$key] = $space;
}
}
$cache->setKey($cache_key, $result);
}
return $result;
}
