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DifferentialRevisionReviewTransaction.php
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Fri, Nov 1, 22:00

DifferentialRevisionReviewTransaction.php
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<?php
abstract class DifferentialRevisionReviewTransaction
extends DifferentialRevisionActionTransaction {
protected function getRevisionActionGroupKey() {
return DifferentialRevisionEditEngine::ACTIONGROUP_REVIEW;
}
public function generateNewValue($object, $value) {
if (!is_array($value)) {
return true;
}
// If the list of options is the same as the default list, just treat this
// as a "take the default action" transaction.
$viewer = $this->getActor();
list($options, $default) = $this->getActionOptions($viewer, $object);
sort($default);
sort($value);
if ($default === $value) {
return true;
}
return $value;
}
protected function isViewerAnyReviewer(
DifferentialRevision $revision,
PhabricatorUser $viewer) {
return ($this->getViewerReviewerStatus($revision, $viewer) !== null);
}
protected function isViewerAnyAuthority(
DifferentialRevision $revision,
PhabricatorUser $viewer) {
$reviewers = $revision->getReviewers();
foreach ($revision->getReviewers() as $reviewer) {
if ($reviewer->hasAuthority($viewer)) {
return true;
}
}
return false;
}
protected function isViewerFullyAccepted(
DifferentialRevision $revision,
PhabricatorUser $viewer) {
return $this->isViewerReviewerStatusFullyAmong(
$revision,
$viewer,
array(
DifferentialReviewerStatus::STATUS_ACCEPTED,
),
true);
}
protected function isViewerFullyRejected(
DifferentialRevision $revision,
PhabricatorUser $viewer) {
return $this->isViewerReviewerStatusFullyAmong(
$revision,
$viewer,
array(
DifferentialReviewerStatus::STATUS_REJECTED,
),
true);
}
protected function getViewerReviewerStatus(
DifferentialRevision $revision,
PhabricatorUser $viewer) {
if (!$viewer->getPHID()) {
return null;
}
foreach ($revision->getReviewers() as $reviewer) {
if ($reviewer->getReviewerPHID() != $viewer->getPHID()) {
continue;
}
return $reviewer->getReviewerStatus();
}
return null;
}
protected function isViewerReviewerStatusFullyAmong(
DifferentialRevision $revision,
PhabricatorUser $viewer,
array $status_list,
$require_current) {
// If the user themselves is not a reviewer, the reviews they have
// authority over can not all be in any set of states since their own
// personal review has no state.
$status = $this->getViewerReviewerStatus($revision, $viewer);
if ($status === null) {
return false;
}
$active_phid = $this->getActiveDiffPHID($revision);
// Otherwise, check that all reviews they have authority over are in
// the desired set of states.
$status_map = array_fuse($status_list);
foreach ($revision->getReviewers() as $reviewer) {
if (!$reviewer->hasAuthority($viewer)) {
continue;
}
$status = $reviewer->getReviewerStatus();
if (!isset($status_map[$status])) {
return false;
}
if ($require_current) {
if ($reviewer->getLastActionDiffPHID() != $active_phid) {
return false;
}
}
}
return true;
}
protected function applyReviewerEffect(
DifferentialRevision $revision,
PhabricatorUser $viewer,
$value,
$status) {
$map = array();
// When you accept or reject, you may accept or reject on behalf of all
// reviewers you have authority for. When you resign, you only affect
// yourself.
$with_authority = ($status != DifferentialReviewerStatus::STATUS_RESIGNED);
if ($with_authority) {
foreach ($revision->getReviewers() as $reviewer) {
if ($reviewer->hasAuthority($viewer)) {
$map[$reviewer->getReviewerPHID()] = $status;
}
}
}
// In all cases, you affect yourself.
$map[$viewer->getPHID()] = $status;
// If the user has submitted a specific list of reviewers to act as (by
// unchecking some checkboxes under "Accept"), only affect those reviewers.
if (is_array($value)) {
$map = array_select_keys($map, $value);
}
// Convert reviewer statuses into edge data.
foreach ($map as $reviewer_phid => $reviewer_status) {
$map[$reviewer_phid] = array(
'data' => array(
'status' => $reviewer_status,
),
);
}
// This is currently double-writing: to the old (edge) store and the new
// (reviewer) store. Do the old edge write first.
$src_phid = $revision->getPHID();
$edge_type = DifferentialRevisionHasReviewerEdgeType::EDGECONST;
$editor = new PhabricatorEdgeEditor();
foreach ($map as $dst_phid => $edge_data) {
if ($status == DifferentialReviewerStatus::STATUS_RESIGNED) {
// TODO: For now, we just remove these reviewers. In the future, we will
// store resignations explicitly.
$editor->removeEdge($src_phid, $edge_type, $dst_phid);
} else {
$editor->addEdge($src_phid, $edge_type, $dst_phid, $edge_data);
}
}
$editor->save();
// Now, do the new write.
if ($map) {
$diff = $this->getEditor()->getActiveDiff($revision);
if ($diff) {
$diff_phid = $diff->getPHID();
} else {
$diff_phid = null;
}
$table = new DifferentialReviewer();
$reviewers = $table->loadAllWhere(
'revisionPHID = %s AND reviewerPHID IN (%Ls)',
$src_phid,
array_keys($map));
$reviewers = mpull($reviewers, null, 'getReviewerPHID');
foreach ($map as $dst_phid => $edge_data) {
$reviewer = idx($reviewers, $dst_phid);
if (!$reviewer) {
$reviewer = id(new DifferentialReviewer())
->setRevisionPHID($src_phid)
->setReviewerPHID($dst_phid);
}
$old_status = $reviewer->getReviewerStatus();
$reviewer->setReviewerStatus($status);
if ($diff_phid) {
$reviewer->setLastActionDiffPHID($diff_phid);
}
if ($old_status !== $status) {
$reviewer->setLastActorPHID($this->getActingAsPHID());
}
try {
$reviewer->save();
} catch (AphrontDuplicateKeyQueryException $ex) {
// At least for now, just ignore it if we lost a race.
}
}
}
}
}

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