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phorge/src/applications/differential/query/DifferentialHunkQuery.php
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DifferentialHunkQuery.php
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<?php
final class DifferentialHunkQuery
extends PhabricatorCursorPagedPolicyAwareQuery {
private $changesets;
private $shouldAttachToChangesets;
public function withChangesets(array $changesets) {
assert_instances_of($changesets, 'DifferentialChangeset');
$this->changesets = $changesets;
return $this;
}
public function needAttachToChangesets($attach) {
$this->shouldAttachToChangesets = $attach;
return $this;
}
protected function willExecute() {
// If we fail to load any hunks at all (for example, because all of
// the requested changesets are directories or empty files and have no
// hunks) we'll never call didFilterPage(), and thus never have an
// opportunity to attach hunks. Attach empty hunk lists now so that we
// end up with the right result.
if ($this->shouldAttachToChangesets) {
foreach ($this->changesets as $changeset) {
$changeset->attachHunks(array());
}
}
}
public function newResultObject() {
return new DifferentialHunk();
}
protected function willFilterPage(array $hunks) {
$changesets = mpull($this->changesets, null, 'getID');
foreach ($hunks as $key => $hunk) {
$changeset = idx($changesets, $hunk->getChangesetID());
if (!$changeset) {
unset($hunks[$key]);
}
$hunk->attachChangeset($changeset);
}
return $hunks;
}
protected function didFilterPage(array $hunks) {
if ($this->shouldAttachToChangesets) {
$hunk_groups = mgroup($hunks, 'getChangesetID');
foreach ($this->changesets as $changeset) {
$hunks = idx($hunk_groups, $changeset->getID(), array());
$changeset->attachHunks($hunks);
}
}
return $hunks;
}
protected function buildWhereClauseParts(AphrontDatabaseConnection $conn) {
$where = parent::buildWhereClauseParts($conn);
if (!$this->changesets) {
throw new Exception(
pht(
'You must load hunks via changesets, with %s!',
'withChangesets()'));
}
$where[] = qsprintf(
$conn,
'changesetID IN (%Ld)',
mpull($this->changesets, 'getID'));
return $where;
}
public function getQueryApplicationClass() {
return PhabricatorDifferentialApplication::class;
}
protected function getDefaultOrderVector() {
// TODO: Do we need this?
return array('-id');
}
}

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