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phorge/src/applications/differential/xaction/DifferentialRevisionUpdateTransaction.php
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DifferentialRevisionUpdateTransaction.php
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<?php
final class DifferentialRevisionUpdateTransaction
extends DifferentialRevisionTransactionType {
const TRANSACTIONTYPE = 'differential:update';
const EDITKEY = 'update';
public function generateOldValue($object) {
return $object->getActiveDiffPHID();
}
public function applyInternalEffects($object, $value) {
$should_review = $this->shouldRequestReviewAfterUpdate($object);
if ($should_review) {
// If we're updating a non-broadcasting revision, put it back in draft
// rather than moving it directly to "Needs Review".
if ($object->getShouldBroadcast()) {
$new_status = DifferentialRevisionStatus::NEEDS_REVIEW;
} else {
$new_status = DifferentialRevisionStatus::DRAFT;
}
$object->setModernRevisionStatus($new_status);
}
$editor = $this->getEditor();
$diff = $editor->requireDiff($value);
$this->updateRevisionLineCounts($object, $diff);
$object->setRepositoryPHID($diff->getRepositoryPHID());
$object->setActiveDiffPHID($diff->getPHID());
$object->attachActiveDiff($diff);
}
private function shouldRequestReviewAfterUpdate($object) {
if ($this->isCommitUpdate()) {
return false;
}
$should_update =
$object->isNeedsRevision() ||
$object->isChangePlanned() ||
$object->isAbandoned();
if ($should_update) {
return true;
}
return false;
}
public function applyExternalEffects($object, $value) {
$editor = $this->getEditor();
$diff = $editor->requireDiff($value);
// TODO: This can race with diff updates, particularly those from
// Harbormaster. See discussion in T8650.
$diff->setRevisionID($object->getID());
$diff->save();
}
public function didCommitTransaction($object, $value) {
$editor = $this->getEditor();
$diff = $editor->requireDiff($value);
$omnipotent = PhabricatorUser::getOmnipotentUser();
// If there are any outstanding buildables for this diff, tell
// Harbormaster that their containers need to be updated. This is
// common, because `arc` creates buildables so it can upload lint
// and unit results.
$buildables = id(new HarbormasterBuildableQuery())
->setViewer($omnipotent)
->withManualBuildables(false)
->withBuildablePHIDs(array($diff->getPHID()))
->execute();
foreach ($buildables as $buildable) {
$buildable->sendMessage(
$this->getActor(),
HarbormasterMessageType::BUILDABLE_CONTAINER,
true);
}
}
public function getColor() {
return 'sky';
}
public function getIcon() {
return 'fa-refresh';
}
public function getActionName() {
if ($this->isCreateTransaction()) {
return pht('Request');
} else {
return pht('Updated');
}
}
public function getActionStrength() {
return 2;
}
public function getTitle() {
$old = $this->getOldValue();
$new = $this->getNewValue();
if ($this->isCommitUpdate()) {
return pht(
'This revision was automatically updated to reflect the '.
'committed changes.');
}
// NOTE: Very, very old update transactions did not have a new value or
// did not use a diff PHID as a new value. This was changed years ago,
// but wasn't migrated. We might consider migrating if this causes issues.
return pht(
'%s updated this revision to %s.',
$this->renderAuthor(),
$this->renderNewHandle());
}
public function getTitleForFeed() {
return pht(
'%s updated the diff for %s.',
$this->renderAuthor(),
$this->renderObject());
}
public function validateTransactions($object, array $xactions) {
$errors = array();
$diff_phid = null;
foreach ($xactions as $xaction) {
$diff_phid = $xaction->getNewValue();
$diff = id(new DifferentialDiffQuery())
->withPHIDs(array($diff_phid))
->setViewer($this->getActor())
->executeOne();
if (!$diff) {
$errors[] = $this->newInvalidError(
pht(
'Specified diff ("%s") does not exist.',
$diff_phid),
$xaction);
continue;
}
$is_attached =
($diff->getRevisionID()) &&
($diff->getRevisionID() == $object->getID());
if ($is_attached) {
$is_active = ($diff_phid == $object->getActiveDiffPHID());
} else {
$is_active = false;
}
if ($is_attached) {
if ($is_active) {
// This is a no-op: we're reattaching the current active diff to the
// revision it is already attached to. This is valid and will just
// be dropped later on in the process.
} else {
// At least for now, there's no support for "undoing" a diff and
// reverting to an older proposed change without just creating a
// new diff from whole cloth.
$errors[] = $this->newInvalidError(
pht(
'You can not update this revision with the specified diff '.
'("%s") because this diff is already attached to the revision '.
'as an older version of the change.',
$diff_phid),
$xaction);
continue;
}
} else if ($diff->getRevisionID()) {
$errors[] = $this->newInvalidError(
pht(
'You can not update this revision with the specified diff ("%s") '.
'because the diff is already attached to another revision.',
$diff_phid),
$xaction);
continue;
}
}
if (!$diff_phid && !$object->getActiveDiffPHID()) {
$errors[] = $this->newInvalidError(
pht(
'You must specify an initial diff when creating a revision.'));
}
return $errors;
}
public function isCommitUpdate() {
return (bool)$this->getMetadataValue('isCommitUpdate');
}
private function updateRevisionLineCounts(
DifferentialRevision $revision,
DifferentialDiff $diff) {
$revision->setLineCount($diff->getLineCount());
$conn = $revision->establishConnection('r');
$row = queryfx_one(
$conn,
'SELECT SUM(addLines) A, SUM(delLines) D FROM %T
WHERE diffID = %d',
id(new DifferentialChangeset())->getTableName(),
$diff->getID());
if ($row) {
$revision->setAddedLineCount((int)$row['A']);
$revision->setRemovedLineCount((int)$row['D']);
}
}
public function getTransactionTypeForConduit($xaction) {
return 'update';
}
public function getFieldValuesForConduit($object, $data) {
$commit_phids = $object->getMetadataValue('commitPHIDs', array());
return array(
'old' => $object->getOldValue(),
'new' => $object->getNewValue(),
'commitPHIDs' => $commit_phids,
);
}
}

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