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	diff --git a/src/applications/differential/constants/DifferentialRevisionStatus.php b/src/applications/differential/constants/DifferentialRevisionStatus.php
	index b4b291f9c4..70f0e33b28 100644
	--- a/src/applications/differential/constants/DifferentialRevisionStatus.php
	+++ b/src/applications/differential/constants/DifferentialRevisionStatus.php
	@@ -1,169 +1,184 @@
	<?php

	final class DifferentialRevisionStatus extends Phobject {

	const NEEDS_REVIEW = 'needs-review';
	const NEEDS_REVISION = 'needs-revision';
	const CHANGES_PLANNED = 'changes-planned';
	const ACCEPTED = 'accepted';
	const PUBLISHED = 'published';
	const ABANDONED = 'abandoned';
	+ const DRAFT = 'draft';

	private $key;
	private $spec = array();

	public function getKey() {
	return $this->key;
	}

	public function getLegacyKey() {
	return idx($this->spec, 'legacy');
	}

	public function getIcon() {
	return idx($this->spec, 'icon');
	}

	public function getIconColor() {
	return idx($this->spec, 'color.icon', 'bluegrey');
	}

	public function getTagColor() {
	return idx($this->spec, 'color.tag', 'bluegrey');
	}

	public function getTimelineIcon() {
	return idx($this->spec, 'icon.timeline');
	}

	public function getTimelineColor() {
	return idx($this->spec, 'color.timeline');
	}

	public function getANSIColor() {
	return idx($this->spec, 'color.ansi');
	}

	public function getDisplayName() {
	return idx($this->spec, 'name');
	}

	public function isClosedStatus() {
	return idx($this->spec, 'closed');
	}

	public function isAbandoned() {
	return ($this->key === self::ABANDONED);
	}

	public function isAccepted() {
	return ($this->key === self::ACCEPTED);
	}

	public function isNeedsReview() {
	return ($this->key === self::NEEDS_REVIEW);
	}

	public function isNeedsRevision() {
	return ($this->key === self::NEEDS_REVISION);
	}

	public function isPublished() {
	return ($this->key === self::PUBLISHED);
	}

	public function isChangePlanned() {
	return ($this->key === self::CHANGES_PLANNED);
	}

	+ public function isDraft() {
	+ return ($this->key === self::DRAFT);
	+ }
	+
	public static function newForStatus($status) {
	$result = new self();

	$map = self::getMap();
	if (isset($map[$status])) {
	$result->key = $status;
	$result->spec = $map[$status];
	}

	return $result;
	}

	public static function getAll() {
	$result = array();

	foreach (self::getMap() as $key => $spec) {
	$result[$key] = self::newForStatus($key);
	}

	return $result;
	}

	private static function getMap() {
	$close_on_accept = PhabricatorEnv::getEnvConfig(
	'differential.close-on-accept');

	return array(
	self::NEEDS_REVIEW => array(
	'name' => pht('Needs Review'),
	'legacy' => 0,
	'icon' => 'fa-code',
	'icon.timeline' => 'fa-undo',
	'closed' => false,
	'color.icon' => 'grey',
	'color.tag' => 'bluegrey',
	'color.ansi' => 'magenta',
	'color.timeline' => 'orange',
	),
	self::NEEDS_REVISION => array(
	'name' => pht('Needs Revision'),
	'legacy' => 1,
	'icon' => 'fa-refresh',
	'icon.timeline' => 'fa-times',
	'closed' => false,
	'color.icon' => 'red',
	'color.tag' => 'red',
	'color.ansi' => 'red',
	'color.timeline' => 'red',
	),
	self::CHANGES_PLANNED => array(
	'name' => pht('Changes Planned'),
	'legacy' => 5,
	'icon' => 'fa-headphones',
	'closed' => false,
	'color.icon' => 'red',
	'color.tag' => 'red',
	'color.ansi' => 'red',
	),
	self::ACCEPTED => array(
	'name' => pht('Accepted'),
	'legacy' => 2,
	'icon' => 'fa-check',
	'icon.timeline' => 'fa-check',
	'closed' => $close_on_accept,
	'color.icon' => 'green',
	'color.tag' => 'green',
	'color.ansi' => 'green',
	'color.timeline' => 'green',
	),
	self::PUBLISHED => array(
	'name' => pht('Closed'),
	'legacy' => 3,
	'icon' => 'fa-check-square-o',
	'closed' => true,
	'color.icon' => 'black',
	'color.tag' => 'indigo',
	'color.ansi' => 'cyan',
	),
	self::ABANDONED => array(
	'name' => pht('Abandoned'),
	'legacy' => 4,
	'icon' => 'fa-plane',
	'closed' => true,
	'color.icon' => 'black',
	'color.tag' => 'indigo',
	'color.ansi' => null,
	),
	+ self::DRAFT => array(
	+ 'name' => pht('Draft'),
	+ // For legacy clients, treat this as though it is "Needs Review".
	+ 'legacy' => 0,
	+ 'icon' => 'fa-file-text-o',
	+ 'closed' => false,
	+ 'color.icon' => 'grey',
	+ 'color.tag' => 'grey',
	+ 'color.ansi' => null,
	+ ),
	);
	}

	}
	diff --git a/src/applications/differential/query/DifferentialRevisionRequiredActionResultBucket.php b/src/applications/differential/query/DifferentialRevisionRequiredActionResultBucket.php
	index 195a430b1c..f3971f8571 100644
	--- a/src/applications/differential/query/DifferentialRevisionRequiredActionResultBucket.php
	+++ b/src/applications/differential/query/DifferentialRevisionRequiredActionResultBucket.php
	@@ -1,250 +1,290 @@
	<?php

	final class DifferentialRevisionRequiredActionResultBucket
	extends DifferentialRevisionResultBucket {

	const BUCKETKEY = 'action';

	const KEY_MUSTREVIEW = 'must-review';
	const KEY_SHOULDREVIEW = 'should-review';

	private $objects;

	public function getResultBucketName() {
	return pht('Bucket by Required Action');
	}

	protected function buildResultGroups(
	PhabricatorSavedQuery $query,
	array $objects) {

	$this->objects = $objects;

	$phids = $query->getEvaluatedParameter('responsiblePHIDs');
	if (!$phids) {
	throw new Exception(
	pht(
	'You can not bucket results by required action without '.
	'specifying "Responsible Users".'));
	}
	$phids = array_fuse($phids);

	// Before continuing, throw away any revisions which responsible users
	// have explicitly resigned from.

	// The goal is to allow users to resign from revisions they don't want to
	// review to get these revisions off their dashboard, even if there are
	// other project or package reviewers which they have authority over.
	$this->filterResigned($phids);

	+ // We also throw away draft revisions which you aren't the author of.
	+ $this->filterOtherDrafts($phids);
	+
	$groups = array();

	$groups[] = $this->newGroup()
	->setName(pht('Must Review'))
	->setKey(self::KEY_MUSTREVIEW)
	->setNoDataString(pht('No revisions are blocked on your review.'))
	->setObjects($this->filterMustReview($phids));

	$groups[] = $this->newGroup()
	->setName(pht('Ready to Review'))
	->setKey(self::KEY_SHOULDREVIEW)
	->setNoDataString(pht('No revisions are waiting on you to review them.'))
	->setObjects($this->filterShouldReview($phids));

	$groups[] = $this->newGroup()
	->setName(pht('Ready to Land'))
	->setNoDataString(pht('No revisions are ready to land.'))
	->setObjects($this->filterShouldLand($phids));

	$groups[] = $this->newGroup()
	->setName(pht('Ready to Update'))
	->setNoDataString(pht('No revisions are waiting for updates.'))
	->setObjects($this->filterShouldUpdate($phids));

	+ $groups[] = $this->newGroup()
	+ ->setName(pht('Drafts'))
	+ ->setNoDataString(pht('You have no draft revisions.'))
	+ ->setObjects($this->filterDrafts($phids));
	+
	$groups[] = $this->newGroup()
	->setName(pht('Waiting on Review'))
	->setNoDataString(pht('None of your revisions are waiting on review.'))
	->setObjects($this->filterWaitingForReview($phids));

	$groups[] = $this->newGroup()
	->setName(pht('Waiting on Authors'))
	->setNoDataString(pht('No revisions are waiting on author action.'))
	->setObjects($this->filterWaitingOnAuthors($phids));

	$groups[] = $this->newGroup()
	->setName(pht('Waiting on Other Reviewers'))
	->setNoDataString(pht('No revisions are waiting for other reviewers.'))
	->setObjects($this->filterWaitingOnOtherReviewers($phids));

	// Because you can apply these buckets to queries which include revisions
	// that have been closed, add an "Other" bucket if we still have stuff
	// that didn't get filtered into any of the previous buckets.
	if ($this->objects) {
	$groups[] = $this->newGroup()
	->setName(pht('Other Revisions'))
	->setObjects($this->objects);
	}

	return $groups;
	}

	private function filterMustReview(array $phids) {
	$blocking = array(
	DifferentialReviewerStatus::STATUS_BLOCKING,
	DifferentialReviewerStatus::STATUS_REJECTED,
	DifferentialReviewerStatus::STATUS_REJECTED_OLDER,
	);
	$blocking = array_fuse($blocking);

	$objects = $this->getRevisionsUnderReview($this->objects, $phids);

	$results = array();
	foreach ($objects as $key => $object) {
	if (!$this->hasReviewersWithStatus($object, $phids, $blocking)) {
	continue;
	}

	$results[$key] = $object;
	unset($this->objects[$key]);
	}

	return $results;
	}

	private function filterShouldReview(array $phids) {
	$reviewing = array(
	DifferentialReviewerStatus::STATUS_ADDED,
	DifferentialReviewerStatus::STATUS_COMMENTED,
	);
	$reviewing = array_fuse($reviewing);

	$objects = $this->getRevisionsUnderReview($this->objects, $phids);

	$results = array();
	foreach ($objects as $key => $object) {
	if (!$this->hasReviewersWithStatus($object, $phids, $reviewing)) {
	continue;
	}

	$results[$key] = $object;
	unset($this->objects[$key]);
	}

	return $results;
	}

	private function filterShouldLand(array $phids) {
	$objects = $this->getRevisionsAuthored($this->objects, $phids);

	$results = array();
	foreach ($objects as $key => $object) {
	if (!$object->isAccepted()) {
	continue;
	}

	$results[$key] = $object;
	unset($this->objects[$key]);
	}

	return $results;
	}

	private function filterShouldUpdate(array $phids) {
	$statuses = array(
	DifferentialRevisionStatus::NEEDS_REVISION,
	DifferentialRevisionStatus::CHANGES_PLANNED,
	);
	$statuses = array_fuse($statuses);

	$objects = $this->getRevisionsAuthored($this->objects, $phids);

	$results = array();
	foreach ($objects as $key => $object) {
	if (empty($statuses[$object->getModernRevisionStatus()])) {
	continue;
	}

	$results[$key] = $object;
	unset($this->objects[$key]);
	}

	return $results;
	}

	private function filterWaitingForReview(array $phids) {
	$objects = $this->getRevisionsAuthored($this->objects, $phids);

	$results = array();
	foreach ($objects as $key => $object) {
	if (!$object->isNeedsReview()) {
	continue;
	}

	$results[$key] = $object;
	unset($this->objects[$key]);
	}

	return $results;
	}

	private function filterWaitingOnAuthors(array $phids) {
	$statuses = array(
	DifferentialRevisionStatus::ACCEPTED,
	DifferentialRevisionStatus::NEEDS_REVISION,
	DifferentialRevisionStatus::CHANGES_PLANNED,
	);
	$statuses = array_fuse($statuses);

	$objects = $this->getRevisionsNotAuthored($this->objects, $phids);

	$results = array();
	foreach ($objects as $key => $object) {
	if (empty($statuses[$object->getModernRevisionStatus()])) {
	continue;
	}

	$results[$key] = $object;
	unset($this->objects[$key]);
	}

	return $results;
	}

	private function filterWaitingOnOtherReviewers(array $phids) {
	$objects = $this->getRevisionsNotAuthored($this->objects, $phids);

	$results = array();
	foreach ($objects as $key => $object) {
	if (!$object->isNeedsReview()) {
	continue;
	}

	$results[$key] = $object;
	unset($this->objects[$key]);
	}

	return $results;
	}

	private function filterResigned(array $phids) {
	$resigned = array(
	DifferentialReviewerStatus::STATUS_RESIGNED,
	);
	$resigned = array_fuse($resigned);

	$objects = $this->getRevisionsNotAuthored($this->objects, $phids);

	$results = array();
	foreach ($objects as $key => $object) {
	if (!$this->hasReviewersWithStatus($object, $phids, $resigned)) {
	continue;
	}

	$results[$key] = $object;
	unset($this->objects[$key]);
	}

	return $results;
	}

	+ private function filterOtherDrafts(array $phids) {
	+ $objects = $this->getRevisionsNotAuthored($this->objects, $phids);
	+
	+ $results = array();
	+ foreach ($objects as $key => $object) {
	+ if (!$object->isDraft()) {
	+ continue;
	+ }
	+
	+ $results[$key] = $object;
	+ unset($this->objects[$key]);
	+ }
	+
	+ return $results;
	+ }
	+
	+ private function filterDrafts(array $phids) {
	+ $objects = $this->getRevisionsAuthored($this->objects, $phids);
	+
	+ $results = array();
	+ foreach ($objects as $key => $object) {
	+ if (!$object->isDraft()) {
	+ continue;
	+ }
	+
	+ $results[$key] = $object;
	+ unset($this->objects[$key]);
	+ }
	+
	+ return $results;
	+ }
	+
	}
	diff --git a/src/applications/differential/storage/DifferentialRevision.php b/src/applications/differential/storage/DifferentialRevision.php
	index 3615c6e78b..03602b49d9 100644
	--- a/src/applications/differential/storage/DifferentialRevision.php
	+++ b/src/applications/differential/storage/DifferentialRevision.php
	@@ -1,963 +1,967 @@
	<?php

	final class DifferentialRevision extends DifferentialDAO
	implements
	PhabricatorTokenReceiverInterface,
	PhabricatorPolicyInterface,
	PhabricatorExtendedPolicyInterface,
	PhabricatorFlaggableInterface,
	PhrequentTrackableInterface,
	HarbormasterBuildableInterface,
	PhabricatorSubscribableInterface,
	PhabricatorCustomFieldInterface,
	PhabricatorApplicationTransactionInterface,
	PhabricatorMentionableInterface,
	PhabricatorDestructibleInterface,
	PhabricatorProjectInterface,
	PhabricatorFulltextInterface,
	PhabricatorFerretInterface,
	PhabricatorConduitResultInterface,
	PhabricatorDraftInterface {

	protected $title = '';
	protected $originalTitle;
	protected $status;

	protected $summary = '';
	protected $testPlan = '';

	protected $authorPHID;
	protected $lastReviewerPHID;

	protected $lineCount = 0;
	protected $attached = array();

	protected $mailKey;
	protected $branchName;
	protected $repositoryPHID;
	protected $viewPolicy = PhabricatorPolicies::POLICY_USER;
	protected $editPolicy = PhabricatorPolicies::POLICY_USER;
	protected $properties = array();

	private $commits = self::ATTACHABLE;
	private $activeDiff = self::ATTACHABLE;
	private $diffIDs = self::ATTACHABLE;
	private $hashes = self::ATTACHABLE;
	private $repository = self::ATTACHABLE;

	private $reviewerStatus = self::ATTACHABLE;
	private $customFields = self::ATTACHABLE;
	private $drafts = array();
	private $flags = array();
	private $forceMap = array();

	const TABLE_COMMIT = 'differential_commit';

	const RELATION_REVIEWER = 'revw';
	const RELATION_SUBSCRIBED = 'subd';

	const PROPERTY_CLOSED_FROM_ACCEPTED = 'wasAcceptedBeforeClose';

	public static function initializeNewRevision(PhabricatorUser $actor) {
	$app = id(new PhabricatorApplicationQuery())
	->setViewer($actor)
	->withClasses(array('PhabricatorDifferentialApplication'))
	->executeOne();

	$view_policy = $app->getPolicy(
	DifferentialDefaultViewCapability::CAPABILITY);

	return id(new DifferentialRevision())
	->setViewPolicy($view_policy)
	->setAuthorPHID($actor->getPHID())
	->attachRepository(null)
	->attachActiveDiff(null)
	->attachReviewers(array())
	->setModernRevisionStatus(DifferentialRevisionStatus::NEEDS_REVIEW);
	}

	protected function getConfiguration() {
	return array(
	self::CONFIG_AUX_PHID => true,
	self::CONFIG_SERIALIZATION => array(
	'attached' => self::SERIALIZATION_JSON,
	'unsubscribed' => self::SERIALIZATION_JSON,
	'properties' => self::SERIALIZATION_JSON,
	),
	self::CONFIG_COLUMN_SCHEMA => array(
	'title' => 'text255',
	'originalTitle' => 'text255',
	'status' => 'text32',
	'summary' => 'text',
	'testPlan' => 'text',
	'authorPHID' => 'phid?',
	'lastReviewerPHID' => 'phid?',
	'lineCount' => 'uint32?',
	'mailKey' => 'bytes40',
	'branchName' => 'text255?',
	'repositoryPHID' => 'phid?',
	),
	self::CONFIG_KEY_SCHEMA => array(
	'key_phid' => null,
	'phid' => array(
	'columns' => array('phid'),
	'unique' => true,
	),
	'authorPHID' => array(
	'columns' => array('authorPHID', 'status'),
	),
	'repositoryPHID' => array(
	'columns' => array('repositoryPHID'),
	),
	// If you (or a project you are a member of) is reviewing a significant
	// fraction of the revisions on an install, the result set of open
	// revisions may be smaller than the result set of revisions where you
	// are a reviewer. In these cases, this key is better than keys on the
	// edge table.
	'key_status' => array(
	'columns' => array('status', 'phid'),
	),
	),
	) + parent::getConfiguration();
	}

	public function setProperty($key, $value) {
	$this->properties[$key] = $value;
	return $this;
	}

	public function getProperty($key, $default = null) {
	return idx($this->properties, $key, $default);
	}

	public function hasRevisionProperty($key) {
	return array_key_exists($key, $this->properties);
	}

	public function getMonogram() {
	$id = $this->getID();
	return "D{$id}";
	}

	public function getURI() {
	return '/'.$this->getMonogram();
	}

	public function setTitle($title) {
	$this->title = $title;
	if (!$this->getID()) {
	$this->originalTitle = $title;
	}
	return $this;
	}

	public function loadIDsByCommitPHIDs($phids) {
	if (!$phids) {
	return array();
	}
	$revision_ids = queryfx_all(
	$this->establishConnection('r'),
	'SELECT * FROM %T WHERE commitPHID IN (%Ls)',
	self::TABLE_COMMIT,
	$phids);
	return ipull($revision_ids, 'revisionID', 'commitPHID');
	}

	public function loadCommitPHIDs() {
	if (!$this->getID()) {
	return ($this->commits = array());
	}

	$commits = queryfx_all(
	$this->establishConnection('r'),
	'SELECT commitPHID FROM %T WHERE revisionID = %d',
	self::TABLE_COMMIT,
	$this->getID());
	$commits = ipull($commits, 'commitPHID');

	return ($this->commits = $commits);
	}

	public function getCommitPHIDs() {
	return $this->assertAttached($this->commits);
	}

	public function getActiveDiff() {
	// TODO: Because it's currently technically possible to create a revision
	// without an associated diff, we allow an attached-but-null active diff.
	// It would be good to get rid of this once we make diff-attaching
	// transactional.

	return $this->assertAttached($this->activeDiff);
	}

	public function attachActiveDiff($diff) {
	$this->activeDiff = $diff;
	return $this;
	}

	public function getDiffIDs() {
	return $this->assertAttached($this->diffIDs);
	}

	public function attachDiffIDs(array $ids) {
	rsort($ids);
	$this->diffIDs = array_values($ids);
	return $this;
	}

	public function attachCommitPHIDs(array $phids) {
	$this->commits = array_values($phids);
	return $this;
	}

	public function getAttachedPHIDs($type) {
	return array_keys(idx($this->attached, $type, array()));
	}

	public function setAttachedPHIDs($type, array $phids) {
	$this->attached[$type] = array_fill_keys($phids, array());
	return $this;
	}

	public function generatePHID() {
	return PhabricatorPHID::generateNewPHID(
	DifferentialRevisionPHIDType::TYPECONST);
	}

	public function loadActiveDiff() {
	return id(new DifferentialDiff())->loadOneWhere(
	'revisionID = %d ORDER BY id DESC LIMIT 1',
	$this->getID());
	}

	public function save() {
	if (!$this->getMailKey()) {
	$this->mailKey = Filesystem::readRandomCharacters(40);
	}
	return parent::save();
	}

	public function getHashes() {
	return $this->assertAttached($this->hashes);
	}

	public function attachHashes(array $hashes) {
	$this->hashes = $hashes;
	return $this;
	}

	public function canReviewerForceAccept(
	PhabricatorUser $viewer,
	DifferentialReviewer $reviewer) {

	if (!$reviewer->isPackage()) {
	return false;
	}

	$map = $this->getReviewerForceAcceptMap($viewer);
	if (!$map) {
	return false;
	}

	if (isset($map[$reviewer->getReviewerPHID()])) {
	return true;
	}

	return false;
	}

	private function getReviewerForceAcceptMap(PhabricatorUser $viewer) {
	$fragment = $viewer->getCacheFragment();

	if (!array_key_exists($fragment, $this->forceMap)) {
	$map = $this->newReviewerForceAcceptMap($viewer);
	$this->forceMap[$fragment] = $map;
	}

	return $this->forceMap[$fragment];
	}

	private function newReviewerForceAcceptMap(PhabricatorUser $viewer) {
	$diff = $this->getActiveDiff();
	if (!$diff) {
	return null;
	}

	$repository_phid = $diff->getRepositoryPHID();
	if (!$repository_phid) {
	return null;
	}

	$paths = array();

	try {
	$changesets = $diff->getChangesets();
	} catch (Exception $ex) {
	$changesets = id(new DifferentialChangesetQuery())
	->setViewer($viewer)
	->withDiffs(array($diff))
	->execute();
	}

	foreach ($changesets as $changeset) {
	$paths[] = $changeset->getOwnersFilename();
	}

	if (!$paths) {
	return null;
	}

	$reviewer_phids = array();
	foreach ($this->getReviewers() as $reviewer) {
	if (!$reviewer->isPackage()) {
	continue;
	}

	$reviewer_phids[] = $reviewer->getReviewerPHID();
	}

	if (!$reviewer_phids) {
	return null;
	}

	// Load all the reviewing packages which have control over some of the
	// paths in the change. These are packages which the actor may be able
	// to force-accept on behalf of.
	$control_query = id(new PhabricatorOwnersPackageQuery())
	->setViewer($viewer)
	->withStatuses(array(PhabricatorOwnersPackage::STATUS_ACTIVE))
	->withPHIDs($reviewer_phids)
	->withControl($repository_phid, $paths);
	$control_packages = $control_query->execute();
	if (!$control_packages) {
	return null;
	}

	// Load all the packages which have potential control over some of the
	// paths in the change and are owned by the actor. These are packages
	// which the actor may be able to use their authority over to gain the
	// ability to force-accept for other packages. This query doesn't apply
	// dominion rules yet, and we'll bypass those rules later on.
	$authority_query = id(new PhabricatorOwnersPackageQuery())
	->setViewer($viewer)
	->withStatuses(array(PhabricatorOwnersPackage::STATUS_ACTIVE))
	->withAuthorityPHIDs(array($viewer->getPHID()))
	->withControl($repository_phid, $paths);
	$authority_packages = $authority_query->execute();
	if (!$authority_packages) {
	return null;
	}
	$authority_packages = mpull($authority_packages, null, 'getPHID');

	// Build a map from each path in the revision to the reviewer packages
	// which control it.
	$control_map = array();
	foreach ($paths as $path) {
	$control_packages = $control_query->getControllingPackagesForPath(
	$repository_phid,
	$path);

	// Remove packages which the viewer has authority over. We don't need
	// to check these for force-accept because they can just accept them
	// normally.
	$control_packages = mpull($control_packages, null, 'getPHID');
	foreach ($control_packages as $phid => $control_package) {
	if (isset($authority_packages[$phid])) {
	unset($control_packages[$phid]);
	}
	}

	if (!$control_packages) {
	continue;
	}

	$control_map[$path] = $control_packages;
	}

	if (!$control_map) {
	return null;
	}

	// From here on out, we only care about paths which we have at least one
	// controlling package for.
	$paths = array_keys($control_map);

	// Now, build a map from each path to the packages which would control it
	// if there were no dominion rules.
	$authority_map = array();
	foreach ($paths as $path) {
	$authority_packages = $authority_query->getControllingPackagesForPath(
	$repository_phid,
	$path,
	$ignore_dominion = true);

	$authority_map[$path] = mpull($authority_packages, null, 'getPHID');
	}

	// For each path, find the most general package that the viewer has
	// authority over. For example, we'll prefer a package that owns "/" to a
	// package that owns "/src/".
	$force_map = array();
	foreach ($authority_map as $path => $package_map) {
	$path_fragments = PhabricatorOwnersPackage::splitPath($path);
	$fragment_count = count($path_fragments);

	// Find the package that we have authority over which has the most
	// general match for this path.
	$best_match = null;
	$best_package = null;
	foreach ($package_map as $package_phid => $package) {
	$package_paths = $package->getPathsForRepository($repository_phid);
	foreach ($package_paths as $package_path) {

	// NOTE: A strength of 0 means "no match". A strength of 1 means
	// that we matched "/", so we can not possibly find another stronger
	// match.

	$strength = $package_path->getPathMatchStrength(
	$path_fragments,
	$fragment_count);
	if (!$strength) {
	continue;
	}

	if ($strength < $best_match \|\| !$best_package) {
	$best_match = $strength;
	$best_package = $package;
	if ($strength == 1) {
	break 2;
	}
	}
	}
	}

	if ($best_package) {
	$force_map[$path] = array(
	'strength' => $best_match,
	'package' => $best_package,
	);
	}
	}

	// For each path which the viewer owns a package for, find other packages
	// which that authority can be used to force-accept. Once we find a way to
	// force-accept a package, we don't need to keep loooking.
	$has_control = array();
	foreach ($force_map as $path => $spec) {
	$path_fragments = PhabricatorOwnersPackage::splitPath($path);
	$fragment_count = count($path_fragments);

	$authority_strength = $spec['strength'];

	$control_packages = $control_map[$path];
	foreach ($control_packages as $control_phid => $control_package) {
	if (isset($has_control[$control_phid])) {
	continue;
	}

	$control_paths = $control_package->getPathsForRepository(
	$repository_phid);
	foreach ($control_paths as $control_path) {
	$strength = $control_path->getPathMatchStrength(
	$path_fragments,
	$fragment_count);

	if (!$strength) {
	continue;
	}

	if ($strength > $authority_strength) {
	$authority = $spec['package'];
	$has_control[$control_phid] = array(
	'authority' => $authority,
	'phid' => $authority->getPHID(),
	);
	break;
	}
	}
	}
	}

	// Return a map from packages which may be force accepted to the packages
	// which permit that forced acceptance.
	return ipull($has_control, 'phid');
	}


	/* -( PhabricatorPolicyInterface )----------------------------------------- */


	public function getCapabilities() {
	return array(
	PhabricatorPolicyCapability::CAN_VIEW,
	PhabricatorPolicyCapability::CAN_EDIT,
	);
	}

	public function getPolicy($capability) {
	switch ($capability) {
	case PhabricatorPolicyCapability::CAN_VIEW:
	return $this->getViewPolicy();
	case PhabricatorPolicyCapability::CAN_EDIT:
	return $this->getEditPolicy();
	}
	}

	public function hasAutomaticCapability($capability, PhabricatorUser $user) {
	// A revision's author (which effectively means "owner" after we added
	// commandeering) can always view and edit it.
	$author_phid = $this->getAuthorPHID();
	if ($author_phid) {
	if ($user->getPHID() == $author_phid) {
	return true;
	}
	}

	return false;
	}

	public function describeAutomaticCapability($capability) {
	$description = array(
	pht('The owner of a revision can always view and edit it.'),
	);

	switch ($capability) {
	case PhabricatorPolicyCapability::CAN_VIEW:
	$description[] = pht(
	'If a revision belongs to a repository, other users must be able '.
	'to view the repository in order to view the revision.');
	break;
	}

	return $description;
	}


	/* -( PhabricatorExtendedPolicyInterface )--------------------------------- */


	public function getExtendedPolicy($capability, PhabricatorUser $viewer) {
	$extended = array();

	switch ($capability) {
	case PhabricatorPolicyCapability::CAN_VIEW:
	$repository_phid = $this->getRepositoryPHID();
	$repository = $this->getRepository();

	// Try to use the object if we have it, since it will save us some
	// data fetching later on. In some cases, we might not have it.
	$repository_ref = nonempty($repository, $repository_phid);
	if ($repository_ref) {
	$extended[] = array(
	$repository_ref,
	PhabricatorPolicyCapability::CAN_VIEW,
	);
	}
	break;
	}

	return $extended;
	}


	/* -( PhabricatorTokenReceiverInterface )---------------------------------- */


	public function getUsersToNotifyOfTokenGiven() {
	return array(
	$this->getAuthorPHID(),
	);
	}

	public function getReviewers() {
	return $this->assertAttached($this->reviewerStatus);
	}

	public function attachReviewers(array $reviewers) {
	assert_instances_of($reviewers, 'DifferentialReviewer');
	$reviewers = mpull($reviewers, null, 'getReviewerPHID');
	$this->reviewerStatus = $reviewers;
	return $this;
	}

	public function getReviewerPHIDs() {
	$reviewers = $this->getReviewers();
	return mpull($reviewers, 'getReviewerPHID');
	}

	public function getReviewerPHIDsForEdit() {
	$reviewers = $this->getReviewers();

	$status_blocking = DifferentialReviewerStatus::STATUS_BLOCKING;

	$value = array();
	foreach ($reviewers as $reviewer) {
	$phid = $reviewer->getReviewerPHID();
	if ($reviewer->getReviewerStatus() == $status_blocking) {
	$value[] = 'blocking('.$phid.')';
	} else {
	$value[] = $phid;
	}
	}

	return $value;
	}

	public function getRepository() {
	return $this->assertAttached($this->repository);
	}

	public function attachRepository(PhabricatorRepository $repository = null) {
	$this->repository = $repository;
	return $this;
	}

	public function setModernRevisionStatus($status) {
	return $this->setStatus($status);
	}

	public function getModernRevisionStatus() {
	return $this->getStatus();
	}

	public function getLegacyRevisionStatus() {
	return $this->getStatusObject()->getLegacyKey();
	}

	public function isClosed() {
	return $this->getStatusObject()->isClosedStatus();
	}

	public function isAbandoned() {
	return $this->getStatusObject()->isAbandoned();
	}

	public function isAccepted() {
	return $this->getStatusObject()->isAccepted();
	}

	public function isNeedsReview() {
	return $this->getStatusObject()->isNeedsReview();
	}

	public function isNeedsRevision() {
	return $this->getStatusObject()->isNeedsRevision();
	}

	public function isChangePlanned() {
	return $this->getStatusObject()->isChangePlanned();
	}

	public function isPublished() {
	return $this->getStatusObject()->isPublished();
	}

	+ public function isDraft() {
	+ return $this->getStatusObject()->isDraft();
	+ }
	+
	public function getStatusIcon() {
	return $this->getStatusObject()->getIcon();
	}

	public function getStatusDisplayName() {
	return $this->getStatusObject()->getDisplayName();
	}

	public function getStatusIconColor() {
	return $this->getStatusObject()->getIconColor();
	}

	public function getStatusObject() {
	$status = $this->getStatus();
	return DifferentialRevisionStatus::newForStatus($status);
	}

	public function getFlag(PhabricatorUser $viewer) {
	return $this->assertAttachedKey($this->flags, $viewer->getPHID());
	}

	public function attachFlag(
	PhabricatorUser $viewer,
	PhabricatorFlag $flag = null) {
	$this->flags[$viewer->getPHID()] = $flag;
	return $this;
	}

	public function getHasDraft(PhabricatorUser $viewer) {
	return $this->assertAttachedKey($this->drafts, $viewer->getCacheFragment());
	}

	public function attachHasDraft(PhabricatorUser $viewer, $has_draft) {
	$this->drafts[$viewer->getCacheFragment()] = $has_draft;
	return $this;
	}


	/* -( HarbormasterBuildableInterface )------------------------------------- */


	public function getHarbormasterBuildableDisplayPHID() {
	return $this->getHarbormasterContainerPHID();
	}

	public function getHarbormasterBuildablePHID() {
	return $this->loadActiveDiff()->getPHID();
	}

	public function getHarbormasterContainerPHID() {
	return $this->getPHID();
	}

	public function getHarbormasterPublishablePHID() {
	return $this->getPHID();
	}

	public function getBuildVariables() {
	return array();
	}

	public function getAvailableBuildVariables() {
	return array();
	}


	/* -( PhabricatorSubscribableInterface )----------------------------------- */


	public function isAutomaticallySubscribed($phid) {
	if ($phid == $this->getAuthorPHID()) {
	return true;
	}

	// TODO: This only happens when adding or removing CCs, and is safe from a
	// policy perspective, but the subscription pathway should have some
	// opportunity to load this data properly. For now, this is the only case
	// where implicit subscription is not an intrinsic property of the object.
	if ($this->reviewerStatus == self::ATTACHABLE) {
	$reviewers = id(new DifferentialRevisionQuery())
	->setViewer(PhabricatorUser::getOmnipotentUser())
	->withPHIDs(array($this->getPHID()))
	->needReviewers(true)
	->executeOne()
	->getReviewers();
	} else {
	$reviewers = $this->getReviewers();
	}

	foreach ($reviewers as $reviewer) {
	if ($reviewer->getReviewerPHID() == $phid) {
	return true;
	}
	}

	return false;
	}


	/* -( PhabricatorCustomFieldInterface )------------------------------------ */


	public function getCustomFieldSpecificationForRole($role) {
	return PhabricatorEnv::getEnvConfig('differential.fields');
	}

	public function getCustomFieldBaseClass() {
	return 'DifferentialCustomField';
	}

	public function getCustomFields() {
	return $this->assertAttached($this->customFields);
	}

	public function attachCustomFields(PhabricatorCustomFieldAttachment $fields) {
	$this->customFields = $fields;
	return $this;
	}


	/* -( PhabricatorApplicationTransactionInterface )------------------------- */


	public function getApplicationTransactionEditor() {
	return new DifferentialTransactionEditor();
	}

	public function getApplicationTransactionObject() {
	return $this;
	}

	public function getApplicationTransactionTemplate() {
	return new DifferentialTransaction();
	}

	public function willRenderTimeline(
	PhabricatorApplicationTransactionView $timeline,
	AphrontRequest $request) {
	$viewer = $request->getViewer();

	$render_data = $timeline->getRenderData();
	$left = $request->getInt('left', idx($render_data, 'left'));
	$right = $request->getInt('right', idx($render_data, 'right'));

	$diffs = id(new DifferentialDiffQuery())
	->setViewer($request->getUser())
	->withIDs(array($left, $right))
	->execute();
	$diffs = mpull($diffs, null, 'getID');
	$left_diff = $diffs[$left];
	$right_diff = $diffs[$right];

	$old_ids = $request->getStr('old', idx($render_data, 'old'));
	$new_ids = $request->getStr('new', idx($render_data, 'new'));
	$old_ids = array_filter(explode(',', $old_ids));
	$new_ids = array_filter(explode(',', $new_ids));

	$type_inline = DifferentialTransaction::TYPE_INLINE;
	$changeset_ids = array_merge($old_ids, $new_ids);
	$inlines = array();
	foreach ($timeline->getTransactions() as $xaction) {
	if ($xaction->getTransactionType() == $type_inline) {
	$inlines[] = $xaction->getComment();
	$changeset_ids[] = $xaction->getComment()->getChangesetID();
	}
	}

	if ($changeset_ids) {
	$changesets = id(new DifferentialChangesetQuery())
	->setViewer($request->getUser())
	->withIDs($changeset_ids)
	->execute();
	$changesets = mpull($changesets, null, 'getID');
	} else {
	$changesets = array();
	}

	foreach ($inlines as $key => $inline) {
	$inlines[$key] = DifferentialInlineComment::newFromModernComment(
	$inline);
	}

	$query = id(new DifferentialInlineCommentQuery())
	->needHidden(true)
	->setViewer($viewer);

	// NOTE: This is a bit sketchy: this method adjusts the inlines as a
	// side effect, which means it will ultimately adjust the transaction
	// comments and affect timeline rendering.
	$query->adjustInlinesForChangesets(
	$inlines,
	array_select_keys($changesets, $old_ids),
	array_select_keys($changesets, $new_ids),
	$this);

	return $timeline
	->setChangesets($changesets)
	->setRevision($this)
	->setLeftDiff($left_diff)
	->setRightDiff($right_diff);
	}


	/* -( PhabricatorDestructibleInterface )----------------------------------- */


	public function destroyObjectPermanently(
	PhabricatorDestructionEngine $engine) {

	$this->openTransaction();
	$diffs = id(new DifferentialDiffQuery())
	->setViewer($engine->getViewer())
	->withRevisionIDs(array($this->getID()))
	->execute();
	foreach ($diffs as $diff) {
	$engine->destroyObject($diff);
	}

	$conn_w = $this->establishConnection('w');

	queryfx(
	$conn_w,
	'DELETE FROM %T WHERE revisionID = %d',
	self::TABLE_COMMIT,
	$this->getID());

	// we have to do paths a little differentally as they do not have
	// an id or phid column for delete() to act on
	$dummy_path = new DifferentialAffectedPath();
	queryfx(
	$conn_w,
	'DELETE FROM %T WHERE revisionID = %d',
	$dummy_path->getTableName(),
	$this->getID());

	$this->delete();
	$this->saveTransaction();
	}


	/* -( PhabricatorFulltextInterface )--------------------------------------- */


	public function newFulltextEngine() {
	return new DifferentialRevisionFulltextEngine();
	}


	/* -( PhabricatorFerretInterface )----------------------------------------- */


	public function newFerretEngine() {
	return new DifferentialRevisionFerretEngine();
	}


	/* -( PhabricatorConduitResultInterface )---------------------------------- */


	public function getFieldSpecificationsForConduit() {
	return array(
	id(new PhabricatorConduitSearchFieldSpecification())
	->setKey('title')
	->setType('string')
	->setDescription(pht('The revision title.')),
	id(new PhabricatorConduitSearchFieldSpecification())
	->setKey('authorPHID')
	->setType('phid')
	->setDescription(pht('Revision author PHID.')),
	id(new PhabricatorConduitSearchFieldSpecification())
	->setKey('status')
	->setType('map<string, wild>')
	->setDescription(pht('Information about revision status.')),
	);
	}

	public function getFieldValuesForConduit() {
	$status = $this->getStatusObject();
	$status_info = array(
	'value' => $status->getKey(),
	'name' => $status->getDisplayName(),
	'closed' => $status->isClosedStatus(),
	'color.ansi' => $status->getANSIColor(),
	);

	return array(
	'title' => $this->getTitle(),
	'authorPHID' => $this->getAuthorPHID(),
	'status' => $status_info,
	);
	}

	public function getConduitSearchAttachments() {
	return array(
	id(new DifferentialReviewersSearchEngineAttachment())
	->setAttachmentKey('reviewers'),
	);
	}


	/* -( PhabricatorDraftInterface )------------------------------------------ */


	public function newDraftEngine() {
	return new DifferentialRevisionDraftEngine();
	}

	}

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