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phorge/src/applications/ponder/query/PonderQuestionQuery.php
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PonderQuestionQuery.php
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<?php
final class PonderQuestionQuery
extends PhabricatorCursorPagedPolicyAwareQuery {
private $ids;
private $phids;
private $authorPHIDs;
private $answererPHIDs;
private $status = 'status-any';
const STATUS_ANY = 'status-any';
const STATUS_OPEN = 'status-open';
const STATUS_CLOSED = 'status-closed';
private $needAnswers;
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 $this;
}
public function withStatus($status) {
$this->status = $status;
return $this;
}
public function withAnswererPHIDs(array $phids) {
$this->answererPHIDs = $phids;
return $this;
}
public function needAnswers($need_answers) {
$this->needAnswers = $need_answers;
return $this;
}
public function needViewerVotes($need_viewer_votes) {
$this->needViewerVotes = $need_viewer_votes;
return $this;
}
protected function buildWhereClause(AphrontDatabaseConnection $conn_r) {
$where = array();
if ($this->ids) {
$where[] = qsprintf(
$conn_r,
'q.id IN (%Ld)',
$this->ids);
}
if ($this->phids) {
$where[] = qsprintf(
$conn_r,
'q.phid IN (%Ls)',
$this->phids);
}
if ($this->authorPHIDs) {
$where[] = qsprintf(
$conn_r,
'q.authorPHID IN (%Ls)',
$this->authorPHIDs);
}
if ($this->status) {
switch ($this->status) {
case self::STATUS_ANY:
break;
case self::STATUS_OPEN:
$where[] = qsprintf(
$conn_r,
'q.status = %d',
PonderQuestionStatus::STATUS_OPEN);
break;
case self::STATUS_CLOSED:
$where[] = qsprintf(
$conn_r,
'q.status = %d',
PonderQuestionStatus::STATUS_CLOSED);
break;
default:
throw new Exception("Unknown status query '{$this->status}'!");
}
}
$where[] = $this->buildPagingClause($conn_r);
return $this->formatWhereClause($where);
}
protected function loadPage() {
$question = new PonderQuestion();
$conn_r = $question->establishConnection('r');
$data = queryfx_all(
$conn_r,
'SELECT q.* FROM %T q %Q %Q %Q %Q',
$question->getTableName(),
$this->buildJoinsClause($conn_r),
$this->buildWhereClause($conn_r),
$this->buildOrderClause($conn_r),
$this->buildLimitClause($conn_r));
return $question->loadAllFromArray($data);
}
protected function willFilterPage(array $questions) {
if ($this->needAnswers) {
$aquery = id(new PonderAnswerQuery())
->setViewer($this->getViewer())
->setOrderVector(array('-id'))
->withQuestionIDs(mpull($questions, 'getID'));
if ($this->needViewerVotes) {
$aquery->needViewerVotes($this->needViewerVotes);
}
$answers = $aquery->execute();
$answers = mgroup($answers, 'getQuestionID');
foreach ($questions as $question) {
$question_answers = idx($answers, $question->getID(), array());
$question->attachAnswers(mpull($question_answers, null, 'getPHID'));
}
}
if ($this->needViewerVotes) {
$viewer_phid = $this->getViewer()->getPHID();
$etype = PonderQuestionHasVotingUserEdgeType::EDGECONST;
$edges = id(new PhabricatorEdgeQuery())
->withSourcePHIDs(mpull($questions, 'getPHID'))
->withDestinationPHIDs(array($viewer_phid))
->withEdgeTypes(array($etype))
->needEdgeData(true)
->execute();
foreach ($questions as $question) {
$user_edge = idx(
$edges[$question->getPHID()][$etype],
$viewer_phid,
array());
$question->attachUserVote($viewer_phid, idx($user_edge, 'data', 0));
}
}
return $questions;
}
private function buildJoinsClause(AphrontDatabaseConnection $conn_r) {
$joins = array();
if ($this->answererPHIDs) {
$answer_table = new PonderAnswer();
$joins[] = qsprintf(
$conn_r,
'JOIN %T a ON a.questionID = q.id AND a.authorPHID IN (%Ls)',
$answer_table->getTableName(),
$this->answererPHIDs);
}
return implode(' ', $joins);
}
public function getQueryApplicationClass() {
return 'PhabricatorPonderApplication';
}
}

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