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phorge/src/applications/metamta/query/PhabricatorMetaMTAMemberQuery.php
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PhabricatorMetaMTAMemberQuery.php
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<?php
/**
* Expands aggregate mail recipients into their component mailables. For
* example, a project currently expands into all of its members.
*/
final class PhabricatorMetaMTAMemberQuery extends PhabricatorQuery {
private $phids = array();
private $viewer;
public function setViewer(PhabricatorUser $viewer) {
$this->viewer = $viewer;
return $this;
}
public function getViewer() {
return $this->viewer;
}
public function withPHIDs(array $phids) {
$this->phids = $phids;
return $this;
}
public function execute() {
$viewer = $this->getViewer();
$phids = array_fuse($this->phids);
$actors = array();
$type_map = array();
foreach ($phids as $phid) {
$type_map[phid_get_type($phid)][] = $phid;
}
// TODO: Generalize this somewhere else.
// If we have packages, break them down into their constituent user and
// project owners first. Then we'll resolve those and build the packages
// back up from the pieces.
$package_type = PhabricatorOwnersPackagePHIDType::TYPECONST;
$package_phids = idx($type_map, $package_type, array());
unset($type_map[$package_type]);
$package_map = array();
if ($package_phids) {
$packages = id(new PhabricatorOwnersPackageQuery())
->setViewer($viewer)
->withPHIDs($package_phids)
->execute();
foreach ($packages as $package) {
$package_owners = array();
foreach ($package->getOwners() as $owner) {
$owner_phid = $owner->getUserPHID();
$owner_type = phid_get_type($owner_phid);
$type_map[$owner_type][] = $owner_phid;
$package_owners[] = $owner_phid;
}
$package_map[$package->getPHID()] = $package_owners;
}
// See T13648. We may have packages that no longer exist or can't be
// loaded (for example, because they have been destroyed). Give them
// empty entries in the map so we return a mapping for all input PHIDs.
foreach ($package_phids as $package_phid) {
if (!isset($package_map[$package_phid])) {
$package_map[$package_phid] = array();
}
}
}
$results = array();
foreach ($type_map as $type => $phids) {
switch ($type) {
case PhabricatorProjectProjectPHIDType::TYPECONST:
// NOTE: We're loading the projects here in order to respect policies.
$projects = id(new PhabricatorProjectQuery())
->setViewer($viewer)
->withPHIDs($phids)
->needMembers(true)
->needWatchers(true)
->execute();
$edge_type = PhabricatorProjectSilencedEdgeType::EDGECONST;
$edge_query = id(new PhabricatorEdgeQuery())
->withSourcePHIDs($phids)
->withEdgeTypes(
array(
$edge_type,
));
$edge_query->execute();
$projects = mpull($projects, null, 'getPHID');
foreach ($phids as $phid) {
$project = idx($projects, $phid);
if (!$project) {
$results[$phid] = array();
continue;
}
// Recipients are members who haven't silenced the project, plus
// watchers.
$members = $project->getMemberPHIDs();
$members = array_fuse($members);
$watchers = $project->getWatcherPHIDs();
$watchers = array_fuse($watchers);
$silenced = $edge_query->getDestinationPHIDs(
array($phid),
array($edge_type));
$silenced = array_fuse($silenced);
$result_map = array_diff_key($members, $silenced);
$result_map = $result_map + $watchers;
$results[$phid] = array_values($result_map);
}
break;
default:
// For other types, just map the PHID to itself without modification.
// This allows callers to do less work.
foreach ($phids as $phid) {
$results[$phid] = array($phid);
}
break;
}
}
// For any packages, stitch them back together from the resolved users
// and projects.
if ($package_map) {
foreach ($package_map as $package_phid => $owner_phids) {
$resolved = array();
foreach ($owner_phids as $owner_phid) {
$resolved_phids = idx($results, $owner_phid, array());
foreach ($resolved_phids as $resolved_phid) {
$resolved[] = $resolved_phid;
}
}
$results[$package_phid] = $resolved;
}
}
return $results;
}
/**
* Execute the query, merging results into a single list of unique member
* PHIDs.
*/
public function executeExpansion() {
return array_unique(array_mergev($this->execute()));
}
}

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