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PhabricatorObjectListQuery.php
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Sat, Mar 22, 03:52

PhabricatorObjectListQuery.php
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<?php
final class PhabricatorObjectListQuery extends Phobject {
private $viewer;
private $objectList;
private $allowedTypes = array();
private $allowPartialResults;
private $suffixes = array();
public function setAllowPartialResults($allow_partial_results) {
$this->allowPartialResults = $allow_partial_results;
return $this;
}
public function getAllowPartialResults() {
return $this->allowPartialResults;
}
public function setSuffixes(array $suffixes) {
$this->suffixes = $suffixes;
return $this;
}
public function getSuffixes() {
return $this->suffixes;
}
public function setAllowedTypes(array $allowed_types) {
$this->allowedTypes = $allowed_types;
return $this;
}
public function getAllowedTypes() {
return $this->allowedTypes;
}
public function setViewer(PhabricatorUser $viewer) {
$this->viewer = $viewer;
return $this;
}
public function getViewer() {
return $this->viewer;
}
public function setObjectList($object_list) {
$this->objectList = $object_list;
return $this;
}
public function getObjectList() {
return $this->objectList;
}
public function execute() {
$names = $this->getObjectList();
// First, normalize any internal whitespace so we don't get weird results
// if linebreaks hit in weird spots.
$names = preg_replace('/\s+/', ' ', $names);
// Split the list on commas.
$names = explode(',', $names);
// Trim and remove empty tokens.
foreach ($names as $key => $name) {
$name = trim($name);
if (!strlen($name)) {
unset($names[$key]);
continue;
}
$names[$key] = $name;
}
// Remove duplicates.
$names = array_unique($names);
$name_map = array();
foreach ($names as $name) {
$parts = explode(' ', $name);
// If this looks like a monogram, ignore anything after the first token.
// This allows us to parse "O123 Package Name" as though it was "O123",
// which we can look up.
if (preg_match('/^[A-Z]\d+\z/', $parts[0])) {
$name_map[$parts[0]] = $name;
} else {
// For anything else, split it on spaces and use each token as a
// value. This means "alincoln htaft", separated with a space instead
// of with a comma, is two different users.
foreach ($parts as $part) {
$name_map[$part] = $part;
}
}
}
// If we're parsing with suffixes, strip them off any tokens and keep
// track of them for later.
$suffixes = $this->getSuffixes();
if ($suffixes) {
$suffixes = array_fuse($suffixes);
$suffix_map = array();
$stripped_map = array();
foreach ($name_map as $key => $name) {
$found_suffixes = array();
do {
$has_any_suffix = false;
foreach ($suffixes as $suffix) {
if (!$this->hasSuffix($name, $suffix)) {
continue;
}
$key = $this->stripSuffix($key, $suffix);
$name = $this->stripSuffix($name, $suffix);
$found_suffixes[] = $suffix;
$has_any_suffix = true;
break;
}
} while ($has_any_suffix);
$stripped_map[$key] = $name;
$suffix_map[$key] = array_fuse($found_suffixes);
}
$name_map = $stripped_map;
}
$objects = $this->loadObjects(array_keys($name_map));
$types = array();
foreach ($objects as $name => $object) {
$types[phid_get_type($object->getPHID())][] = $name;
}
$invalid = array();
if ($this->getAllowedTypes()) {
$allowed = array_fuse($this->getAllowedTypes());
foreach ($types as $type => $names_of_type) {
if (empty($allowed[$type])) {
$invalid[] = $names_of_type;
}
}
}
$invalid = array_mergev($invalid);
$missing = array();
foreach ($name_map as $key => $name) {
if (empty($objects[$key])) {
$missing[$key] = $name;
}
}
$result = array_unique(mpull($objects, 'getPHID'));
// For values which are plain PHIDs of allowed types, let them through
// unchecked. This can happen occur if subscribers or reviewers which the
// revision author does not have permission to see are added by Herald
// rules. Any actual edits will be checked later: users are not allowed
// to add new reviewers they can't see, but they can touch a field which
// contains them.
foreach ($missing as $key => $value) {
if (isset($allowed[phid_get_type($value)])) {
unset($missing[$key]);
$result[$key] = $value;
}
}
// NOTE: We could couple this less tightly with Differential, but it is
// currently the only thing that uses it, and we'd have to add a lot of
// extra API to loosen this. It's not clear that this will be useful
// elsewhere any time soon, so let's cross that bridge when we come to it.
if (!$this->getAllowPartialResults()) {
if ($invalid && $missing) {
throw new DifferentialFieldParseException(
pht(
'The objects you have listed include objects of the wrong '.
'type (%s) and objects which do not exist (%s).',
implode(', ', $invalid),
implode(', ', $missing)));
} else if ($invalid) {
throw new DifferentialFieldParseException(
pht(
'The objects you have listed include objects of the wrong '.
'type (%s).',
implode(', ', $invalid)));
} else if ($missing) {
throw new DifferentialFieldParseException(
pht(
'The objects you have listed include objects which do not '.
'exist (%s).',
implode(', ', $missing)));
}
}
if ($suffixes) {
foreach ($result as $key => $phid) {
$result[$key] = array(
'phid' => $phid,
'suffixes' => idx($suffix_map, $key, array()),
);
}
}
return array_values($result);
}
private function loadObjects($names) {
// First, try to load visible objects using monograms. This covers most
// object types, but does not cover users or user email addresses.
$query = id(new PhabricatorObjectQuery())
->setViewer($this->getViewer())
->withNames($names);
$query->execute();
$objects = $query->getNamedResults();
$results = array();
foreach ($names as $key => $name) {
if (isset($objects[$name])) {
$results[$name] = $objects[$name];
unset($names[$key]);
}
}
if ($names) {
// We still have some symbols we haven't been able to resolve, so try to
// load users. Try by username first...
$users = id(new PhabricatorPeopleQuery())
->setViewer($this->getViewer())
->withUsernames($names)
->execute();
$user_map = array();
foreach ($users as $user) {
$user_map[phutil_utf8_strtolower($user->getUsername())] = $user;
}
foreach ($names as $key => $name) {
$normal_name = phutil_utf8_strtolower($name);
if (isset($user_map[$normal_name])) {
$results[$name] = $user_map[$normal_name];
unset($names[$key]);
}
}
}
return $results;
}
private function hasSuffix($key, $suffix) {
return (substr($key, -strlen($suffix)) === $suffix);
}
private function stripSuffix($key, $suffix) {
if ($this->hasSuffix($key, $suffix)) {
return substr($key, 0, -strlen($suffix));
}
return $key;
}
}

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