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PonderAnswerQuery.php
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Created
Sat, Feb 15, 07:01

PonderAnswerQuery.php
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<?php
final class PonderAnswerQuery
extends PhabricatorCursorPagedPolicyAwareQuery {
private $ids;
private $phids;
private $authorPHIDs;
private $questionIDs;
private $needViewerVotes;
public function withIDs(array $ids) {
$this->ids = $ids;
return $this;
}
public function withPHIDs(array $phids) {
$this->phids = $phids;
return $this;
}
public function withAuthorPHIDs(array $phids) {
$this->authorPHIDs = $phids;
return $this;
}
public function withQuestionIDs(array $ids) {
$this->questionIDs = $ids;
return $this;
}
public function needViewerVotes($need_viewer_votes) {
$this->needViewerVotes = $need_viewer_votes;
return $this;
}
private function buildWhereClause($conn_r) {
$where = array();
if ($this->ids) {
$where[] = qsprintf(
$conn_r,
'id IN (%Ld)',
$this->ids);
}
if ($this->phids) {
$where[] = qsprintf(
$conn_r,
'phid IN (%Ls)',
$this->phids);
}
if ($this->authorPHIDs) {
$where[] = qsprintf(
$conn_r,
'authorPHID IN (%Ls)',
$this->authorPHIDs);
}
$where[] = $this->buildPagingClause($conn_r);
return $this->formatWhereClause($where);
}
public function loadPage() {
$answer = new PonderAnswer();
$conn_r = $answer->establishConnection('r');
$data = queryfx_all(
$conn_r,
'SELECT a.* FROM %T a %Q %Q %Q',
$answer->getTableName(),
$this->buildWhereClause($conn_r),
$this->buildOrderClause($conn_r),
$this->buildLimitClause($conn_r));
return $answer->loadAllFromArray($data);
}
public function willFilterPage(array $answers) {
$questions = id(new PonderQuestionQuery())
->setViewer($this->getViewer())
->withIDs(mpull($answers, 'getQuestionID'))
->execute();
foreach ($answers as $key => $answer) {
$question = idx($questions, $answer->getQuestionID());
if (!$question) {
unset($answers[$key]);
continue;
}
$answer->attachQuestion($question);
}
if ($this->needViewerVotes) {
$viewer_phid = $this->getViewer()->getPHID();
$etype = PhabricatorEdgeConfig::TYPE_ANSWER_HAS_VOTING_USER;
$edges = id(new PhabricatorEdgeQuery())
->withSourcePHIDs(mpull($answers, 'getPHID'))
->withDestinationPHIDs(array($viewer_phid))
->withEdgeTypes(array($etype))
->needEdgeData(true)
->execute();
foreach ($answers as $answer) {
$user_edge = idx(
$edges[$answer->getPHID()][$etype],
$viewer_phid,
array());
$answer->attachUserVote($viewer_phid, idx($user_edge, 'data', 0));
}
}
return $answers;
}
protected function getReversePaging() {
return true;
}
}

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