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PhabricatorFlagQuery.php
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Created
Fri, Nov 22, 10:51

PhabricatorFlagQuery.php
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<?php
final class PhabricatorFlagQuery
extends PhabricatorCursorPagedPolicyAwareQuery {
const GROUP_COLOR = 'color';
const GROUP_NONE = 'none';
private $ownerPHIDs;
private $types;
private $objectPHIDs;
private $colors;
private $groupBy = self::GROUP_NONE;
private $needHandles;
private $needObjects;
public function withOwnerPHIDs(array $owner_phids) {
$this->ownerPHIDs = $owner_phids;
return $this;
}
public function withTypes(array $types) {
$this->types = $types;
return $this;
}
public function withObjectPHIDs(array $object_phids) {
$this->objectPHIDs = $object_phids;
return $this;
}
public function withColors(array $colors) {
$this->colors = $colors;
return $this;
}
/**
* NOTE: this is done in PHP and not in MySQL, which means its inappropriate
* for large datasets. Pragmatically, this is fine for user flags which are
* typically well under 100 flags per user.
*/
public function setGroupBy($group) {
$this->groupBy = $group;
return $this;
}
public function needHandles($need) {
$this->needHandles = $need;
return $this;
}
public function needObjects($need) {
$this->needObjects = $need;
return $this;
}
public static function loadUserFlag(PhabricatorUser $user, $object_phid) {
// Specifying the type in the query allows us to use a key.
return id(new PhabricatorFlagQuery())
->setViewer($user)
->withOwnerPHIDs(array($user->getPHID()))
->withTypes(array(phid_get_type($object_phid)))
->withObjectPHIDs(array($object_phid))
->executeOne();
}
protected function loadPage() {
$table = new PhabricatorFlag();
$conn_r = $table->establishConnection('r');
$data = queryfx_all(
$conn_r,
'SELECT * FROM %T flag %Q %Q %Q',
$table->getTableName(),
$this->buildWhereClause($conn_r),
$this->buildOrderClause($conn_r),
$this->buildLimitClause($conn_r));
return $table->loadAllFromArray($data);
}
protected function willFilterPage(array $flags) {
if ($this->needObjects) {
$objects = id(new PhabricatorObjectQuery())
->setViewer($this->getViewer())
->withPHIDs(mpull($flags, 'getObjectPHID'))
->execute();
$objects = mpull($objects, null, 'getPHID');
foreach ($flags as $key => $flag) {
$object = idx($objects, $flag->getObjectPHID());
if ($object) {
$flags[$key]->attachObject($object);
} else {
unset($flags[$key]);
}
}
}
if ($this->needHandles) {
$handles = id(new PhabricatorHandleQuery())
->setViewer($this->getViewer())
->withPHIDs(mpull($flags, 'getObjectPHID'))
->execute();
foreach ($flags as $flag) {
$flag->attachHandle($handles[$flag->getObjectPHID()]);
}
}
switch ($this->groupBy) {
case self::GROUP_COLOR:
$flags = msort($flags, 'getColor');
break;
case self::GROUP_NONE:
break;
default:
throw new Exception(
pht('Unknown groupBy parameter: %s', $this->groupBy));
break;
}
return $flags;
}
protected function buildWhereClause(AphrontDatabaseConnection $conn_r) {
$where = array();
if ($this->ownerPHIDs) {
$where[] = qsprintf(
$conn_r,
'flag.ownerPHID IN (%Ls)',
$this->ownerPHIDs);
}
if ($this->types) {
$where[] = qsprintf(
$conn_r,
'flag.type IN (%Ls)',
$this->types);
}
if ($this->objectPHIDs) {
$where[] = qsprintf(
$conn_r,
'flag.objectPHID IN (%Ls)',
$this->objectPHIDs);
}
if ($this->colors) {
$where[] = qsprintf(
$conn_r,
'flag.color IN (%Ld)',
$this->colors);
}
$where[] = $this->buildPagingClause($conn_r);
return $this->formatWhereClause($where);
}
public function getQueryApplicationClass() {
return 'PhabricatorFlagsApplication';
}
}

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