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ManiphestTransactionEditor.php
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ManiphestTransactionEditor.php
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			<?php

			final class ManiphestTransactionEditor
			extends PhabricatorApplicationTransactionEditor {

			private $moreValidationErrors = array();

			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_MERGED_INTO;
			$types[] = ManiphestTransaction::TYPE_MERGED_FROM;
			$types[] = ManiphestTransaction::TYPE_UNBLOCK;
			$types[] = ManiphestTransaction::TYPE_PARENT;
			$types[] = ManiphestTransaction::TYPE_COVER_IMAGE;
			$types[] = ManiphestTransaction::TYPE_POINTS;
			$types[] = PhabricatorTransactions::TYPE_COLUMNS;
			$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_SUBPRIORITY:
			return $object->getSubpriority();
			case ManiphestTransaction::TYPE_COVER_IMAGE:
			return $object->getCoverImageFilePHID();
			case ManiphestTransaction::TYPE_POINTS:
			$points = $object->getPoints();
			if ($points !== null) {
			$points = (double)$points;
			}
			return $points;
			case ManiphestTransaction::TYPE_MERGED_INTO:
			case ManiphestTransaction::TYPE_MERGED_FROM:
			return null;
			case ManiphestTransaction::TYPE_PARENT:
			case PhabricatorTransactions::TYPE_COLUMNS:
			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_MERGED_INTO:
			case ManiphestTransaction::TYPE_MERGED_FROM:
			case ManiphestTransaction::TYPE_UNBLOCK:
			case ManiphestTransaction::TYPE_COVER_IMAGE:
			return $xaction->getNewValue();
			case ManiphestTransaction::TYPE_PARENT:
			case PhabricatorTransactions::TYPE_COLUMNS:
			return $xaction->getNewValue();
			case ManiphestTransaction::TYPE_POINTS:
			$value = $xaction->getNewValue();
			if (!strlen($value)) {
			$value = null;
			}
			if ($value !== null) {
			$value = (double)$value;
			}
			return $value;
			}
			}

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

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

			switch ($xaction->getTransactionType()) {
			case PhabricatorTransactions::TYPE_COLUMNS:
			return (bool)$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_MERGED_INTO:
			$object->setStatus(ManiphestTaskStatus::getDuplicateStatus());
			return;
			case ManiphestTransaction::TYPE_COVER_IMAGE:
			$file_phid = $xaction->getNewValue();

			if ($file_phid) {
			$file = id(new PhabricatorFileQuery())
			->setViewer($this->getActor())
			->withPHIDs(array($file_phid))
			->executeOne();
			} else {
			$file = null;
			}

			if (!$file \|\| !$file->isTransformableImage()) {
			$object->setProperty('cover.filePHID', null);
			$object->setProperty('cover.thumbnailPHID', null);
			return;
			}

			$xform_key = PhabricatorFileThumbnailTransform::TRANSFORM_WORKCARD;

			$xform = PhabricatorFileTransform::getTransformByKey($xform_key)
			->executeTransform($file);

			$object->setProperty('cover.filePHID', $file->getPHID());
			$object->setProperty('cover.thumbnailPHID', $xform->getPHID());
			return;
			case ManiphestTransaction::TYPE_POINTS:
			$object->setPoints($xaction->getNewValue());
			return;
			case ManiphestTransaction::TYPE_MERGED_FROM:
			case ManiphestTransaction::TYPE_PARENT:
			case PhabricatorTransactions::TYPE_COLUMNS:
			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, $task_phid)
			->save();
			break;
			case PhabricatorTransactions::TYPE_COLUMNS:
			foreach ($xaction->getNewValue() as $move) {
			$this->applyBoardMove($object, $move);
			}
			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();
			$type_columns = PhabricatorTransactions::TYPE_COLUMNS;
			foreach ($xactions as $xaction) {
			if ($xaction->getTransactionType() == $type_columns) {
			$moves = $xaction->getNewValue();
			foreach ($moves as $move) {
			$board_phids[] = $move['boardPHID'];
			}
			}
			}

			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_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),
			$xaction);
			}
			}
			break;
			case ManiphestTransaction::TYPE_COVER_IMAGE:
			foreach ($xactions as $xaction) {
			$old = $xaction->getOldValue();
			$new = $xaction->getNewValue();
			if (!$new) {
			continue;
			}

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

			$file = id(new PhabricatorFileQuery())
			->setViewer($this->getActor())
			->withPHIDs(array($new))
			->executeOne();
			if (!$file) {
			$errors[] = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			pht('File "%s" is not valid.', $new),
			$xaction);
			continue;
			}

			if (!$file->isTransformableImage()) {
			$errors[] = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			pht('File "%s" is not a valid image file.', $new),
			$xaction);
			continue;
			}
			}
			break;

			case ManiphestTransaction::TYPE_POINTS:
			foreach ($xactions as $xaction) {
			$new = $xaction->getNewValue();
			if (strlen($new) && !is_numeric($new)) {
			$errors[] = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			pht('Points value must be numeric or empty.'),
			$xaction);
			continue;
			}

			if ((double)$new < 0) {
			$errors[] = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			pht('Points value must be nonnegative.'),
			$xaction);
			continue;
			}
			}
			break;

			}

			return $errors;
			}

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

			$errors = parent::validateAllTransactions($object, $xactions);

			if ($this->moreValidationErrors) {
			$errors = array_merge($errors, $this->moreValidationErrors);
			}

			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) {
			$is_claim = ManiphestTaskStatus::isClaimStatus($new_status);

			// Don't assign the actor if they aren't a real user.
			// Don't claim the task if the status is configured to not claim.
			if ($actor_phid && $is_claim) {
			$results[] = id(new ManiphestTransaction())
			->setTransactionType(ManiphestTransaction::TYPE_OWNER)
			->setNewValue($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);

			$type = $xaction->getTransactionType();
			switch ($type) {
			case PhabricatorTransactions::TYPE_COLUMNS:
			try {
			$more_xactions = $this->buildMoveTransaction($object, $xaction);
			foreach ($more_xactions as $more_xaction) {
			$results[] = $more_xaction;
			}
			} catch (Exception $ex) {
			$error = new PhabricatorApplicationTransactionValidationError(
			$type,
			pht('Invalid'),
			$ex->getMessage(),
			$xaction);
			$this->moreValidationErrors[] = $error;
			}
			break;
			case ManiphestTransaction::TYPE_OWNER:
			// If this is a no-op update, don't expand it.
			$old_value = $object->getOwnerPHID();
			$new_value = $xaction->getNewValue();
			if ($old_value === $new_value) {
			continue;
			}

			// When a task is reassigned, move the old owner to the subscriber
			// list so they're still in the loop.
			if ($old_value) {
			$results[] = id(new ManiphestTransaction())
			->setTransactionType(PhabricatorTransactions::TYPE_SUBSCRIBERS)
			->setIgnoreOnNoEffect(true)
			->setNewValue(
			array(
			'+' => array($old_value => $old_value),
			));
			}
			break;
			}

			return $results;
			}

			protected function extractFilePHIDsFromCustomTransaction(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {
			$phids = parent::extractFilePHIDsFromCustomTransaction($object, $xaction);

			switch ($xaction->getTransactionType()) {
			case ManiphestTransaction::TYPE_COVER_IMAGE:
			$phids[] = $xaction->getNewValue();
			break;
			}

			return $phids;
			}

			private function buildMoveTransaction(
			PhabricatorLiskDAO $object,
			PhabricatorApplicationTransaction $xaction) {

			$new = $xaction->getNewValue();
			if (!is_array($new)) {
			$this->validateColumnPHID($new);
			$new = array($new);
			}

			$nearby_phids = array();
			foreach ($new as $key => $value) {
			if (!is_array($value)) {
			$this->validateColumnPHID($value);
			$value = array(
			'columnPHID' => $value,
			);
			}

			PhutilTypeSpec::checkMap(
			$value,
			array(
			'columnPHID' => 'string',
			'beforePHID' => 'optional string',
			'afterPHID' => 'optional string',
			));

			$new[$key] = $value;

			if (!empty($value['beforePHID'])) {
			$nearby_phids[] = $value['beforePHID'];
			}

			if (!empty($value['afterPHID'])) {
			$nearby_phids[] = $value['afterPHID'];
			}
			}

			if ($nearby_phids) {
			$nearby_objects = id(new PhabricatorObjectQuery())
			->setViewer($this->getActor())
			->withPHIDs($nearby_phids)
			->execute();
			$nearby_objects = mpull($nearby_objects, null, 'getPHID');
			} else {
			$nearby_objects = array();
			}

			$column_phids = ipull($new, 'columnPHID');
			if ($column_phids) {
			$columns = id(new PhabricatorProjectColumnQuery())
			->setViewer($this->getActor())
			->withPHIDs($column_phids)
			->execute();
			$columns = mpull($columns, null, 'getPHID');
			} else {
			$columns = array();
			}

			$board_phids = mpull($columns, 'getProjectPHID');
			$object_phid = $object->getPHID();

			$object_phids = $nearby_phids;

			// Note that we may not have an object PHID if we're creating a new
			// object.
			if ($object_phid) {
			$object_phids[] = $object_phid;
			}

			if ($object_phids) {
			$layout_engine = id(new PhabricatorBoardLayoutEngine())
			->setViewer($this->getActor())
			->setBoardPHIDs($board_phids)
			->setObjectPHIDs($object_phids)
			->setFetchAllBoards(true)
			->executeLayout();
			}

			foreach ($new as $key => $spec) {
			$column_phid = $spec['columnPHID'];
			$column = idx($columns, $column_phid);
			if (!$column) {
			throw new Exception(
			pht(
			'Column move transaction specifies column PHID "%s", but there '.
			'is no corresponding column with this PHID.',
			$column_phid));
			}

			$board_phid = $column->getProjectPHID();

			$nearby = array();

			if (!empty($spec['beforePHID'])) {
			$nearby['beforePHID'] = $spec['beforePHID'];
			}

			if (!empty($spec['afterPHID'])) {
			$nearby['afterPHID'] = $spec['afterPHID'];
			}

			if (count($nearby) > 1) {
			throw new Exception(
			pht(
			'Column move transaction moves object to multiple positions. '.
			'Specify only "beforePHID" or "afterPHID", not both.'));
			}

			foreach ($nearby as $where => $nearby_phid) {
			if (empty($nearby_objects[$nearby_phid])) {
			throw new Exception(
			pht(
			'Column move transaction specifies object "%s" as "%s", but '.
			'there is no corresponding object with this PHID.',
			$object_phid,
			$where));
			}

			$nearby_columns = $layout_engine->getObjectColumns(
			$board_phid,
			$nearby_phid);
			$nearby_columns = mpull($nearby_columns, null, 'getPHID');

			if (empty($nearby_columns[$column_phid])) {
			throw new Exception(
			pht(
			'Column move transaction specifies object "%s" as "%s" in '.
			'column "%s", but this object is not in that column!',
			$nearby_phid,
			$where,
			$column_phid));
			}
			}

			if ($object_phid) {
			$old_columns = $layout_engine->getObjectColumns(
			$board_phid,
			$object_phid);
			$old_column_phids = mpull($old_columns, 'getPHID');
			} else {
			$old_column_phids = array();
			}

			$spec += array(
			'boardPHID' => $board_phid,
			'fromColumnPHIDs' => $old_column_phids,
			);

			// Check if the object is already in this column, and isn't being moved.
			// We can just drop this column change if it has no effect.
			$from_map = array_fuse($spec['fromColumnPHIDs']);
			$already_here = isset($from_map[$column_phid]);
			$is_reordering = (bool)$nearby;

			if ($already_here && !$is_reordering) {
			unset($new[$key]);
			} else {
			$new[$key] = $spec;
			}
			}

			$new = array_values($new);
			$xaction->setNewValue($new);


			$more = array();

			// If we're moving the object into a column and it does not already belong
			// in the column, add the appropriate board. For normal columns, this
			// is the board PHID. For proxy columns, it is the proxy PHID, unless the
			// object is already a member of some descendant of the proxy PHID.

			// The major case where this can happen is moves via the API, but it also
			// happens when a user drags a task from the "Backlog" to a milestone
			// column.

			if ($object_phid) {
			$current_phids = PhabricatorEdgeQuery::loadDestinationPHIDs(
			$object_phid,
			PhabricatorProjectObjectHasProjectEdgeType::EDGECONST);
			$current_phids = array_fuse($current_phids);
			} else {
			$current_phids = array();
			}

			$add_boards = array();
			foreach ($new as $move) {
			$column_phid = $move['columnPHID'];
			$board_phid = $move['boardPHID'];
			$column = $columns[$column_phid];
			$proxy_phid = $column->getProxyPHID();

			// If this is a normal column, add the board if the object isn't already
			// associated.
			if (!$proxy_phid) {
			if (!isset($current_phids[$board_phid])) {
			$add_boards[] = $board_phid;
			}
			continue;
			}

			// If this is a proxy column but the object is already associated with
			// the proxy board, we don't need to do anything.
			if (isset($current_phids[$proxy_phid])) {
			continue;
			}

			// If this a proxy column and the object is already associated with some
			// descendant of the proxy board, we also don't need to do anything.
			$descendants = id(new PhabricatorProjectQuery())
			->setViewer(PhabricatorUser::getOmnipotentUser())
			->withAncestorProjectPHIDs(array($proxy_phid))
			->execute();

			$found_descendant = false;
			foreach ($descendants as $descendant) {
			if (isset($current_phids[$descendant->getPHID()])) {
			$found_descendant = true;
			break;
			}
			}

			if ($found_descendant) {
			continue;
			}

			// Otherwise, we're moving the object to a proxy column which it is not
			// a member of yet, so add an association to the column's proxy board.

			$add_boards[] = $proxy_phid;
			}

			if ($add_boards) {
			$more[] = id(new ManiphestTransaction())
			->setTransactionType(PhabricatorTransactions::TYPE_EDGE)
			->setMetadataValue(
			'edge:type',
			PhabricatorProjectObjectHasProjectEdgeType::EDGECONST)
			->setIgnoreOnNoEffect(true)
			->setNewValue(
			array(
			'+' => array_fuse($add_boards),
			));
			}

			return $more;
			}

			private function applyBoardMove($object, array $move) {
			$board_phid = $move['boardPHID'];
			$column_phid = $move['columnPHID'];
			$before_phid = idx($move, 'beforePHID');
			$after_phid = idx($move, 'afterPHID');

			$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();

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

			// Make sure tasks are sorted by ID, so we lay out new positions in
			// a consistent way.
			$board_tasks = msort($board_tasks, 'getID');

			$object_phids = array_keys($board_tasks);

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

			// TODO: This logic needs to be revised when we legitimately support
			// multiple column positions.
			$columns = $engine->getObjectColumns($board_phid, $object_phid);
			foreach ($columns as $column) {
			$engine->queueRemovePosition(
			$board_phid,
			$column->getPHID(),
			$object_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();
			}


			private function validateColumnPHID($value) {
			if (phid_get_type($value) == PhabricatorProjectColumnPHIDType::TYPECONST) {
			return;
			}

			throw new Exception(
			pht(
			'When moving objects between columns on a board, columns must '.
			'be identified by PHIDs. This transaction uses "%s" to identify '.
			'a column, but that is not a valid column PHID.',
			$value));
			}



			}

phab/src/applications/maniphest/editor/ManiphestTransactionEditor.php90c06115e520production

ManiphestTransactionEditor.phpView Options

phab/src/applications/maniphest/editor/ManiphestTransactionEditor.php
90c06115e520production

ManiphestTransactionEditor.php
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