ManiphestTransactionEditor.php
90a0459821eastable

ManiphestTransactionEditor.php
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			<?php

			final class ManiphestTransactionEditor
			extends PhabricatorApplicationTransactionEditor {

			public function getEditorApplicationClass() {
			return 'PhabricatorManiphestApplication';
			}

			public function getEditorObjectsDescription() {
			return pht('Maniphest Tasks');
			}

			public function getTransactionTypes() {
			$types = parent::getTransactionTypes();

			$types[] = PhabricatorTransactions::TYPE_COMMENT;
			$types[] = PhabricatorTransactions::TYPE_EDGE;
			$types[] = ManiphestTransaction::TYPE_PRIORITY;
			$types[] = ManiphestTransaction::TYPE_STATUS;
			$types[] = ManiphestTransaction::TYPE_TITLE;
			$types[] = ManiphestTransaction::TYPE_DESCRIPTION;
			$types[] = ManiphestTransaction::TYPE_OWNER;
			$types[] = ManiphestTransaction::TYPE_SUBPRIORITY;
			$types[] = ManiphestTransaction::TYPE_PROJECT_COLUMN;
			$types[] = ManiphestTransaction::TYPE_MERGED_INTO;
			$types[] = ManiphestTransaction::TYPE_MERGED_FROM;
			$types[] = ManiphestTransaction::TYPE_UNBLOCK;
			$types[] = ManiphestTransaction::TYPE_PARENT;
			$types[] = ManiphestTransaction::TYPE_COLUMN;
			$types[] = PhabricatorTransactions::TYPE_VIEW_POLICY;
			$types[] = PhabricatorTransactions::TYPE_EDIT_POLICY;

			return $types;
			}

			protected function getCustomTransactionOldValue(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			switch ($xaction->getTransactionType()) {
			case ManiphestTransaction::TYPE_PRIORITY:
			if ($this->getIsNewObject()) {
			return null;
			}
			return (int)$object->getPriority();
			case ManiphestTransaction::TYPE_STATUS:
			if ($this->getIsNewObject()) {
			return null;
			}
			return $object->getStatus();
			case ManiphestTransaction::TYPE_TITLE:
			if ($this->getIsNewObject()) {
			return null;
			}
			return $object->getTitle();
			case ManiphestTransaction::TYPE_DESCRIPTION:
			if ($this->getIsNewObject()) {
			return null;
			}
			return $object->getDescription();
			case ManiphestTransaction::TYPE_OWNER:
			return nonempty($object->getOwnerPHID(), null);
			case ManiphestTransaction::TYPE_PROJECT_COLUMN:
			// These are pre-populated.
			return $xaction->getOldValue();
			case ManiphestTransaction::TYPE_SUBPRIORITY:
			return $object->getSubpriority();
			case ManiphestTransaction::TYPE_MERGED_INTO:
			case ManiphestTransaction::TYPE_MERGED_FROM:
			return null;
			case ManiphestTransaction::TYPE_PARENT:
			case ManiphestTransaction::TYPE_COLUMN:
			return null;
			}
			}

			protected function getCustomTransactionNewValue(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			switch ($xaction->getTransactionType()) {
			case ManiphestTransaction::TYPE_PRIORITY:
			return (int)$xaction->getNewValue();
			case ManiphestTransaction::TYPE_OWNER:
			return nonempty($xaction->getNewValue(), null);
			case ManiphestTransaction::TYPE_STATUS:
			case ManiphestTransaction::TYPE_TITLE:
			case ManiphestTransaction::TYPE_DESCRIPTION:
			case ManiphestTransaction::TYPE_SUBPRIORITY:
			case ManiphestTransaction::TYPE_PROJECT_COLUMN:
			case ManiphestTransaction::TYPE_MERGED_INTO:
			case ManiphestTransaction::TYPE_MERGED_FROM:
			case ManiphestTransaction::TYPE_UNBLOCK:
			return $xaction->getNewValue();
			case ManiphestTransaction::TYPE_PARENT:
			case ManiphestTransaction::TYPE_COLUMN:
			return $xaction->getNewValue();
			}
			}

			protected function transactionHasEffect(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			$old = $xaction->getOldValue();
			$new = $xaction->getNewValue();

			switch ($xaction->getTransactionType()) {
			case ManiphestTransaction::TYPE_PROJECT_COLUMN:
			$new_column_phids = $new['columnPHIDs'];
			$old_column_phids = $old['columnPHIDs'];
			sort($new_column_phids);
			sort($old_column_phids);
			return ($old !== $new);
			}

			return parent::transactionHasEffect($object, $xaction);
			}

			protected function applyCustomInternalTransaction(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			switch ($xaction->getTransactionType()) {
			case ManiphestTransaction::TYPE_PRIORITY:
			return $object->setPriority($xaction->getNewValue());
			case ManiphestTransaction::TYPE_STATUS:
			return $object->setStatus($xaction->getNewValue());
			case ManiphestTransaction::TYPE_TITLE:
			return $object->setTitle($xaction->getNewValue());
			case ManiphestTransaction::TYPE_DESCRIPTION:
			return $object->setDescription($xaction->getNewValue());
			case ManiphestTransaction::TYPE_OWNER:
			$phid = $xaction->getNewValue();

			// Update the "ownerOrdering" column to contain the full name of the
			// owner, if the task is assigned.

			$handle = null;
			if ($phid) {
			$handle = id(new PhabricatorHandleQuery())
			->setViewer($this->getActor())
			->withPHIDs(array($phid))
			->executeOne();
			}

			if ($handle) {
			$object->setOwnerOrdering($handle->getName());
			} else {
			$object->setOwnerOrdering(null);
			}

			return $object->setOwnerPHID($phid);
			case ManiphestTransaction::TYPE_SUBPRIORITY:
			$object->setSubpriority($xaction->getNewValue());
			return;
			case ManiphestTransaction::TYPE_PROJECT_COLUMN:
			// these do external (edge) updates
			return;
			case ManiphestTransaction::TYPE_MERGED_INTO:
			$object->setStatus(ManiphestTaskStatus::getDuplicateStatus());
			return;
			case ManiphestTransaction::TYPE_MERGED_FROM:
			case ManiphestTransaction::TYPE_PARENT:
			case ManiphestTransaction::TYPE_COLUMN:
			return;
			}
			}

			protected function applyCustomExternalTransaction(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			switch ($xaction->getTransactionType()) {
			case ManiphestTransaction::TYPE_PARENT:
			$parent_phid = $xaction->getNewValue();
			$parent_type = ManiphestTaskDependsOnTaskEdgeType::EDGECONST;
			$task_phid = $object->getPHID();

			id(new PhabricatorEdgeEditor())
			->addEdge($parent_phid, $parent_type, $task_phid)
			->save();
			break;
			case ManiphestTransaction::TYPE_PROJECT_COLUMN:
			$board_phid = idx($xaction->getNewValue(), 'projectPHID');
			if (!$board_phid) {
			throw new Exception(
			pht(
			"Expected '%s' in column transaction.",
			'projectPHID'));
			}

			$old_phids = idx($xaction->getOldValue(), 'columnPHIDs', array());
			$new_phids = idx($xaction->getNewValue(), 'columnPHIDs', array());
			if (count($new_phids) !== 1) {
			throw new Exception(
			pht(
			"Expected exactly one '%s' in column transaction.",
			'columnPHIDs'));
			}

			$before_phid = idx($xaction->getNewValue(), 'beforePHID');
			$after_phid = idx($xaction->getNewValue(), 'afterPHID');

			if (!$before_phid && !$after_phid && ($old_phids == $new_phids)) {
			// If we are not moving the object between columns and also not
			// reordering the position, this is a move on some other order
			// (like priority). We can leave the positions untouched and just
			// bail, there's no work to be done.
			return;
			}

			// Otherwise, we're either moving between columns or adjusting the
			// object's position in the "natural" ordering, so we do need to update
			// some rows.

			$object_phid = $object->getPHID();

			// We're doing layout with the ominpotent viewer to make sure we don't
			// remove positions in columns that exist, but which the actual actor
			// can't see.
			$omnipotent_viewer = PhabricatorUser::getOmnipotentUser();

			$select_phids = array($board_phid);

			$descendants = id(new PhabricatorProjectQuery())
			->setViewer($omnipotent_viewer)
			->withAncestorProjectPHIDs($select_phids)
			->execute();
			foreach ($descendants as $descendant) {
			$select_phids[] = $descendant->getPHID();
			}

			$board_tasks = id(new ManiphestTaskQuery())
			->setViewer($omnipotent_viewer)
			->withEdgeLogicPHIDs(
			PhabricatorProjectObjectHasProjectEdgeType::EDGECONST,
			PhabricatorQueryConstraint::OPERATOR_ANCESTOR,
			array($select_phids))
			->execute();

			$object_phids = mpull($board_tasks, 'getPHID');
			$object_phids[] = $object_phid;

			$engine = id(new PhabricatorBoardLayoutEngine())
			->setViewer($omnipotent_viewer)
			->setBoardPHIDs(array($board_phid))
			->setObjectPHIDs($object_phids)
			->executeLayout();

			// TODO: This logic needs to be revised if we legitimately support
			// multiple column positions.

			// NOTE: When a task is newly created, it's implicitly added to the
			// backlog but we don't currently record that in the "$old_phids". Just
			// clean it up for now.
			$columns = $engine->getObjectColumns($board_phid, $object_phid);
			foreach ($columns as $column) {
			$engine->queueRemovePosition(
			$board_phid,
			$column->getPHID(),
			$object_phid);
			}

			// Remove all existing column positions on the board.
			foreach ($old_phids as $column_phid) {
			$engine->queueRemovePosition(
			$board_phid,
			$column_phid,
			$object_phid);
			}

			// Add new positions.
			foreach ($new_phids as $column_phid) {
			if ($before_phid) {
			$engine->queueAddPositionBefore(
			$board_phid,
			$column_phid,
			$object_phid,
			$before_phid);
			} else if ($after_phid) {
			$engine->queueAddPositionAfter(
			$board_phid,
			$column_phid,
			$object_phid,
			$after_phid);
			} else {
			$engine->queueAddPosition(
			$board_phid,
			$column_phid,
			$object_phid);
			}
			}

			$engine->applyPositionUpdates();

			break;
			default:
			break;
			}
			}

			protected function applyFinalEffects(
			PhabricatorLiskDAO $object,
			array $xactions) {

			// When we change the status of a task, update tasks this tasks blocks
			// with a message to the effect of "alincoln resolved blocking task Txxx."
			$unblock_xaction = null;
			foreach ($xactions as $xaction) {
			switch ($xaction->getTransactionType()) {
			case ManiphestTransaction::TYPE_STATUS:
			$unblock_xaction = $xaction;
			break;
			}
			}

			if ($unblock_xaction !== null) {
			$blocked_phids = PhabricatorEdgeQuery::loadDestinationPHIDs(
			$object->getPHID(),
			ManiphestTaskDependedOnByTaskEdgeType::EDGECONST);
			if ($blocked_phids) {
			// In theory we could apply these through policies, but that seems a
			// little bit surprising. For now, use the actor's vision.
			$blocked_tasks = id(new ManiphestTaskQuery())
			->setViewer($this->getActor())
			->withPHIDs($blocked_phids)
			->needSubscriberPHIDs(true)
			->needProjectPHIDs(true)
			->execute();

			$old = $unblock_xaction->getOldValue();
			$new = $unblock_xaction->getNewValue();

			foreach ($blocked_tasks as $blocked_task) {
			$parent_xaction = id(new ManiphestTransaction())
			->setTransactionType(ManiphestTransaction::TYPE_UNBLOCK)
			->setOldValue(array($object->getPHID() => $old))
			->setNewValue(array($object->getPHID() => $new));

			if ($this->getIsNewObject()) {
			$parent_xaction->setMetadataValue('blocker.new', true);
			}

			id(new ManiphestTransactionEditor())
			->setActor($this->getActor())
			->setActingAsPHID($this->getActingAsPHID())
			->setContentSource($this->getContentSource())
			->setContinueOnNoEffect(true)
			->setContinueOnMissingFields(true)
			->applyTransactions($blocked_task, array($parent_xaction));
			}
			}
			}

			return $xactions;
			}

			protected function shouldSendMail(
			PhabricatorLiskDAO $object,
			array $xactions) {
			return true;
			}

			protected function getMailSubjectPrefix() {
			return PhabricatorEnv::getEnvConfig('metamta.maniphest.subject-prefix');
			}

			protected function getMailThreadID(PhabricatorLiskDAO $object) {
			return 'maniphest-task-'.$object->getPHID();
			}

			protected function getMailTo(PhabricatorLiskDAO $object) {
			$phids = array();

			if ($object->getOwnerPHID()) {
			$phids[] = $object->getOwnerPHID();
			}
			$phids[] = $this->getActingAsPHID();

			return $phids;
			}

			public function getMailTagsMap() {
			return array(
			ManiphestTransaction::MAILTAG_STATUS =>
			pht("A task's status changes."),
			ManiphestTransaction::MAILTAG_OWNER =>
			pht("A task's owner changes."),
			ManiphestTransaction::MAILTAG_PRIORITY =>
			pht("A task's priority changes."),
			ManiphestTransaction::MAILTAG_CC =>
			pht("A task's subscribers change."),
			ManiphestTransaction::MAILTAG_PROJECTS =>
			pht("A task's associated projects change."),
			ManiphestTransaction::MAILTAG_UNBLOCK =>
			pht('One of the tasks a task is blocked by changes status.'),
			ManiphestTransaction::MAILTAG_COLUMN =>
			pht('A task is moved between columns on a workboard.'),
			ManiphestTransaction::MAILTAG_COMMENT =>
			pht('Someone comments on a task.'),
			ManiphestTransaction::MAILTAG_OTHER =>
			pht('Other task activity not listed above occurs.'),
			);
			}

			protected function buildReplyHandler(PhabricatorLiskDAO $object) {
			return id(new ManiphestReplyHandler())
			->setMailReceiver($object);
			}

			protected function buildMailTemplate(PhabricatorLiskDAO $object) {
			$id = $object->getID();
			$title = $object->getTitle();

			return id(new PhabricatorMetaMTAMail())
			->setSubject("T{$id}: {$title}")
			->addHeader('Thread-Topic', "T{$id}: ".$object->getOriginalTitle());
			}

			protected function buildMailBody(
			PhabricatorLiskDAO $object,
			array $xactions) {

			$body = parent::buildMailBody($object, $xactions);

			if ($this->getIsNewObject()) {
			$body->addRemarkupSection(
			pht('TASK DESCRIPTION'),
			$object->getDescription());
			}

			$body->addLinkSection(
			pht('TASK DETAIL'),
			PhabricatorEnv::getProductionURI('/T'.$object->getID()));


			$board_phids = array();
			$type_column = ManiphestTransaction::TYPE_PROJECT_COLUMN;
			foreach ($xactions as $xaction) {
			if ($xaction->getTransactionType() == $type_column) {
			$new = $xaction->getNewValue();
			$project_phid = idx($new, 'projectPHID');
			if ($project_phid) {
			$board_phids[] = $project_phid;
			}
			}
			}

			if ($board_phids) {
			$projects = id(new PhabricatorProjectQuery())
			->setViewer($this->requireActor())
			->withPHIDs($board_phids)
			->execute();

			foreach ($projects as $project) {
			$body->addLinkSection(
			pht('WORKBOARD'),
			PhabricatorEnv::getProductionURI(
			'/project/board/'.$project->getID().'/'));
			}
			}


			return $body;
			}

			protected function shouldPublishFeedStory(
			PhabricatorLiskDAO $object,
			array $xactions) {
			return $this->shouldSendMail($object, $xactions);
			}

			protected function supportsSearch() {
			return true;
			}

			protected function shouldApplyHeraldRules(
			PhabricatorLiskDAO $object,
			array $xactions) {
			return true;
			}

			protected function buildHeraldAdapter(
			PhabricatorLiskDAO $object,
			array $xactions) {

			return id(new HeraldManiphestTaskAdapter())
			->setTask($object);
			}

			protected function requireCapabilities(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			parent::requireCapabilities($object, $xaction);

			$app_capability_map = array(
			ManiphestTransaction::TYPE_PRIORITY =>
			ManiphestEditPriorityCapability::CAPABILITY,
			ManiphestTransaction::TYPE_STATUS =>
			ManiphestEditStatusCapability::CAPABILITY,
			ManiphestTransaction::TYPE_OWNER =>
			ManiphestEditAssignCapability::CAPABILITY,
			PhabricatorTransactions::TYPE_EDIT_POLICY =>
			ManiphestEditPoliciesCapability::CAPABILITY,
			PhabricatorTransactions::TYPE_VIEW_POLICY =>
			ManiphestEditPoliciesCapability::CAPABILITY,
			);


			$transaction_type = $xaction->getTransactionType();

			$app_capability = null;
			if ($transaction_type == PhabricatorTransactions::TYPE_EDGE) {
			switch ($xaction->getMetadataValue('edge:type')) {
			case PhabricatorProjectObjectHasProjectEdgeType::EDGECONST:
			$app_capability = ManiphestEditProjectsCapability::CAPABILITY;
			break;
			}
			} else {
			$app_capability = idx($app_capability_map, $transaction_type);
			}

			if ($app_capability) {
			$app = id(new PhabricatorApplicationQuery())
			->setViewer($this->getActor())
			->withClasses(array('PhabricatorManiphestApplication'))
			->executeOne();
			PhabricatorPolicyFilter::requireCapability(
			$this->getActor(),
			$app,
			$app_capability);
			}
			}

			protected function adjustObjectForPolicyChecks(
			PhabricatorLiskDAO $object,
			array $xactions) {

			$copy = parent::adjustObjectForPolicyChecks($object, $xactions);
			foreach ($xactions as $xaction) {
			switch ($xaction->getTransactionType()) {
			case ManiphestTransaction::TYPE_OWNER:
			$copy->setOwnerPHID($xaction->getNewValue());
			break;
			default:
			continue;
			}
			}

			return $copy;
			}

			/**
			* Get priorities for moving a task to a new priority.
			*/
			public static function getEdgeSubpriority(
			$priority,
			$is_end) {

			$query = id(new ManiphestTaskQuery())
			->setViewer(PhabricatorUser::getOmnipotentUser())
			->withPriorities(array($priority))
			->setLimit(1);

			if ($is_end) {
			$query->setOrderVector(array('-priority', '-subpriority', '-id'));
			} else {
			$query->setOrderVector(array('priority', 'subpriority', 'id'));
			}

			$result = $query->executeOne();
			$step = (double)(2 << 32);

			if ($result) {
			$base = $result->getSubpriority();
			if ($is_end) {
			$sub = ($base - $step);
			} else {
			$sub = ($base + $step);
			}
			} else {
			$sub = 0;
			}

			return array($priority, $sub);
			}


			/**
			* Get priorities for moving a task before or after another task.
			*/
			public static function getAdjacentSubpriority(
			ManiphestTask $dst,
			$is_after,
			$allow_recursion = true) {

			$query = id(new ManiphestTaskQuery())
			->setViewer(PhabricatorUser::getOmnipotentUser())
			->setOrder(ManiphestTaskQuery::ORDER_PRIORITY)
			->withPriorities(array($dst->getPriority()))
			->setLimit(1);

			if ($is_after) {
			$query->setAfterID($dst->getID());
			} else {
			$query->setBeforeID($dst->getID());
			}

			$adjacent = $query->executeOne();

			$base = $dst->getSubpriority();
			$step = (double)(2 << 32);

			// If we find an adjacent task, we average the two subpriorities and
			// return the result.
			if ($adjacent) {
			$epsilon = 0.01;

			// If the adjacent task has a subpriority that is identical or very
			// close to the task we're looking at, we're going to move it and all
			// tasks with the same subpriority a little farther down the subpriority
			// scale.
			if ($allow_recursion &&
			(abs($adjacent->getSubpriority() - $base) < $epsilon)) {
			$conn_w = $adjacent->establishConnection('w');

			$min = ($adjacent->getSubpriority() - ($epsilon));
			$max = ($adjacent->getSubpriority() + ($epsilon));

			// Get all of the tasks with the similar subpriorities to the adjacent
			// task, including the adjacent task itself.
			$query = id(new ManiphestTaskQuery())
			->setViewer(PhabricatorUser::getOmnipotentUser())
			->withPriorities(array($adjacent->getPriority()))
			->withSubpriorityBetween($min, $max);

			if (!$is_after) {
			$query->setOrderVector(array('-priority', '-subpriority', '-id'));
			} else {
			$query->setOrderVector(array('priority', 'subpriority', 'id'));
			}

			$shift_all = $query->execute();
			$shift_last = last($shift_all);

			// Select the most extreme subpriority in the result set as the
			// base value.
			$shift_base = head($shift_all)->getSubpriority();

			// Find the subpriority before or after the task at the end of the
			// block.
			list($shift_pri, $shift_sub) = self::getAdjacentSubpriority(
			$shift_last,
			$is_after,
			$allow_recursion = false);

			$delta = ($shift_sub - $shift_base);
			$count = count($shift_all);

			$shift = array();
			$cursor = 1;
			foreach ($shift_all as $shift_task) {
			$shift_target = $shift_base + (($cursor / $count) * $delta);
			$cursor++;

			queryfx(
			$conn_w,
			'UPDATE %T SET subpriority = %f WHERE id = %d',
			$adjacent->getTableName(),
			$shift_target,
			$shift_task->getID());

			// If we're shifting the adjacent task, update it.
			if ($shift_task->getID() == $adjacent->getID()) {
			$adjacent->setSubpriority($shift_target);
			}

			// If we're shifting the original target task, update the base
			// subpriority.
			if ($shift_task->getID() == $dst->getID()) {
			$base = $shift_target;
			}
			}
			}

			$sub = ($adjacent->getSubpriority() + $base) / 2;
			} else {
			// Otherwise, we take a step away from the target's subpriority and
			// use that.
			if ($is_after) {
			$sub = ($base - $step);
			} else {
			$sub = ($base + $step);
			}
			}

			return array($dst->getPriority(), $sub);
			}

			protected function validateTransaction(
			PhabricatorLiskDAO $object,
			$type,
			array $xactions) {

			$errors = parent::validateTransaction($object, $type, $xactions);

			switch ($type) {
			case ManiphestTransaction::TYPE_TITLE:
			$missing = $this->validateIsEmptyTextField(
			$object->getTitle(),
			$xactions);

			if ($missing) {
			$error = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Required'),
			pht('Task title is required.'),
			nonempty(last($xactions), null));

			$error->setIsMissingFieldError(true);
			$errors[] = $error;
			}
			break;
			case ManiphestTransaction::TYPE_PARENT:
			$with_effect = array();
			foreach ($xactions as $xaction) {
			$task_phid = $xaction->getNewValue();
			if (!$task_phid) {
			continue;
			}

			$with_effect[] = $xaction;

			$task = id(new ManiphestTaskQuery())
			->setViewer($this->getActor())
			->withPHIDs(array($task_phid))
			->executeOne();
			if (!$task) {
			$errors[] = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			pht(
			'Parent task identifier "%s" does not identify a visible '.
			'task.',
			$task_phid),
			$xaction);
			}
			}

			if ($with_effect && !$this->getIsNewObject()) {
			$errors[] = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			pht(
			'You can only select a parent task when creating a '.
			'transaction for the first time.'),
			last($with_effect));
			}
			break;
			case ManiphestTransaction::TYPE_COLUMN:
			$with_effect = array();
			foreach ($xactions as $xaction) {
			$column_phid = $xaction->getNewValue();
			if (!$column_phid) {
			continue;
			}

			$with_effect[] = $xaction;

			$column = $this->loadProjectColumn($column_phid);
			if (!$column) {
			$errors[] = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			pht(
			'Column PHID "%s" does not identify a visible column.',
			$column_phid),
			$xaction);
			}
			}

			if ($with_effect && !$this->getIsNewObject()) {
			$errors[] = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			pht(
			'You can only put a task into an initial column during task '.
			'creation.'),
			last($with_effect));
			}
			break;
			case ManiphestTransaction::TYPE_OWNER:
			foreach ($xactions as $xaction) {
			$old = $xaction->getOldValue();
			$new = $xaction->getNewValue();
			if (!strlen($new)) {
			continue;
			}

			if ($new === $old) {
			continue;
			}

			$assignee_list = id(new PhabricatorPeopleQuery())
			->setViewer($this->getActor())
			->withPHIDs(array($new))
			->execute();
			if (!$assignee_list) {
			$errors[] = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			pht(
			'User "%s" is not a valid user.',
			$new),
			$xaction);
			}
			}
			break;
			}

			return $errors;
			}

			protected function expandTransactions(
			PhabricatorLiskDAO $object,
			array $xactions) {

			$actor = $this->getActor();
			$actor_phid = $actor->getPHID();

			$results = parent::expandTransactions($object, $xactions);

			$is_unassigned = ($object->getOwnerPHID() === null);

			$any_assign = false;
			foreach ($xactions as $xaction) {
			if ($xaction->getTransactionType() == ManiphestTransaction::TYPE_OWNER) {
			$any_assign = true;
			break;
			}
			}

			$is_open = !$object->isClosed();

			$new_status = null;
			foreach ($xactions as $xaction) {
			switch ($xaction->getTransactionType()) {
			case ManiphestTransaction::TYPE_STATUS:
			$new_status = $xaction->getNewValue();
			break;
			}
			}

			if ($new_status === null) {
			$is_closing = false;
			} else {
			$is_closing = ManiphestTaskStatus::isClosedStatus($new_status);
			}

			// If the task is not assigned, not being assigned, currently open, and
			// being closed, try to assign the actor as the owner.
			if ($is_unassigned && !$any_assign && $is_open && $is_closing) {
			// Don't assign the actor if they aren't a real user.
			if ($actor_phid) {
			$results[] = id(new ManiphestTransaction())
			->setTransactionType(ManiphestTransaction::TYPE_OWNER)
			->setNewValue($actor_phid);
			}
			}

			// Automatically subscribe the author when they create a task.
			if ($this->getIsNewObject()) {
			if ($actor_phid) {
			$results[] = id(new ManiphestTransaction())
			->setTransactionType(PhabricatorTransactions::TYPE_SUBSCRIBERS)
			->setNewValue(
			array(
			'+' => array($actor_phid => $actor_phid),
			));
			}
			}

			return $results;
			}

			protected function expandTransaction(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			$results = parent::expandTransaction($object, $xaction);

			switch ($xaction->getTransactionType()) {
			case ManiphestTransaction::TYPE_COLUMN:
			$column_phid = $xaction->getNewValue();
			if (!$column_phid) {
			break;
			}

			// When a task is created into a column, we also generate a transaction
			// to actually put it in that column.
			$column = $this->loadProjectColumn($column_phid);
			$results[] = id(new ManiphestTransaction())
			->setTransactionType(ManiphestTransaction::TYPE_PROJECT_COLUMN)
			->setOldValue(
			array(
			'projectPHID' => $column->getProjectPHID(),
			'columnPHIDs' => array(),
			))
			->setNewValue(
			array(
			'projectPHID' => $column->getProjectPHID(),
			'columnPHIDs' => array($column->getPHID()),
			));
			break;
			case ManiphestTransaction::TYPE_OWNER:
			// When a task is reassigned, move the old owner to the subscriber
			// list so they're still in the loop.
			$owner_phid = $object->getOwnerPHID();
			if ($owner_phid) {
			$results[] = id(new ManiphestTransaction())
			->setTransactionType(PhabricatorTransactions::TYPE_SUBSCRIBERS)
			->setIgnoreOnNoEffect(true)
			->setNewValue(
			array(
			'+' => array($owner_phid => $owner_phid),
			));
			}
			break;
			}

			return $results;
			}

			private function loadProjectColumn($column_phid) {
			return id(new PhabricatorProjectColumnQuery())
			->setViewer($this->getActor())
			->withPHIDs(array($column_phid))
			->executeOne();
			}


			}

phab/src/applications/maniphest/editor/ManiphestTransactionEditor.php90a0459821eastable

ManiphestTransactionEditor.phpView Options

phab/src/applications/maniphest/editor/ManiphestTransactionEditor.php
90a0459821eastable

ManiphestTransactionEditor.php
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