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phab/src/applications/files/query/PhabricatorFileChunkQuery.php
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PhabricatorFileChunkQuery.php
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<?php
final class PhabricatorFileChunkQuery
extends PhabricatorCursorPagedPolicyAwareQuery {
private $chunkHandles;
private $rangeStart;
private $rangeEnd;
private $isComplete;
private $needDataFiles;
public function withChunkHandles(array $handles) {
$this->chunkHandles = $handles;
return $this;
}
public function withByteRange($start, $end) {
$this->rangeStart = $start;
$this->rangeEnd = $end;
return $this;
}
public function withIsComplete($complete) {
$this->isComplete = $complete;
return $this;
}
public function needDataFiles($need) {
$this->needDataFiles = $need;
return $this;
}
protected function loadPage() {
$table = new PhabricatorFileChunk();
$conn_r = $table->establishConnection('r');
$data = queryfx_all(
$conn_r,
'SELECT * FROM %T %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 $chunks) {
if ($this->needDataFiles) {
$file_phids = mpull($chunks, 'getDataFilePHID');
$file_phids = array_filter($file_phids);
if ($file_phids) {
$files = id(new PhabricatorFileQuery())
->setViewer($this->getViewer())
->setParentQuery($this)
->withPHIDs($file_phids)
->execute();
$files = mpull($files, null, 'getPHID');
} else {
$files = array();
}
foreach ($chunks as $key => $chunk) {
$data_phid = $chunk->getDataFilePHID();
if (!$data_phid) {
$chunk->attachDataFile(null);
continue;
}
$file = idx($files, $data_phid);
if (!$file) {
unset($chunks[$key]);
$this->didRejectResult($chunk);
continue;
}
$chunk->attachDataFile($file);
}
if (!$chunks) {
return $chunks;
}
}
return $chunks;
}
protected function buildWhereClause(AphrontDatabaseConnection $conn_r) {
$where = array();
if ($this->chunkHandles !== null) {
$where[] = qsprintf(
$conn_r,
'chunkHandle IN (%Ls)',
$this->chunkHandles);
}
if ($this->rangeStart !== null) {
$where[] = qsprintf(
$conn_r,
'byteEnd > %d',
$this->rangeStart);
}
if ($this->rangeEnd !== null) {
$where[] = qsprintf(
$conn_r,
'byteStart < %d',
$this->rangeEnd);
}
if ($this->isComplete !== null) {
if ($this->isComplete) {
$where[] = qsprintf(
$conn_r,
'dataFilePHID IS NOT NULL');
} else {
$where[] = qsprintf(
$conn_r,
'dataFilePHID IS NULL');
}
}
$where[] = $this->buildPagingClause($conn_r);
return $this->formatWhereClause($where);
}
public function getQueryApplicationClass() {
return 'PhabricatorFilesApplication';
}
}
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