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PhabricatorMetaMTAMemberQuery.php
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Created
Fri, Apr 25, 17:57

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() {
$phids = array_fuse($this->phids);
$actors = array();
$type_map = array();
foreach ($phids as $phid) {
$type_map[phid_get_type($phid)][] = $phid;
}
// TODO: Generalize this somewhere else.
$results = array();
foreach ($type_map as $type => $phids) {
switch ($type) {
case PhabricatorProjectProjectPHIDType::TYPECONST:
// NOTE: We're loading the projects here in order to respect policies.
$projects = id(new PhabricatorProjectQuery())
->setViewer($this->getViewer())
->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;
}
}
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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