ManiphestTaskParentTransaction.php
29056ba032a8stable

ManiphestTaskParentTransaction.php
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			<?php

			final class ManiphestTaskParentTransaction
			extends ManiphestTaskTransactionType {

			const TRANSACTIONTYPE = 'parent';

			public function generateOldValue($object) {
			return null;
			}

			public function shouldHide() {
			return true;
			}

			public function applyExternalEffects($object, $value) {
			$parent_phid = $value;
			$parent_type = ManiphestTaskDependsOnTaskEdgeType::EDGECONST;
			$task_phid = $object->getPHID();

			id(new PhabricatorEdgeEditor())
			->addEdge($parent_phid, $parent_type, $task_phid)
			->save();
			}

			public function validateTransactions($object, array $xactions) {
			$errors = array();

			$with_effect = array();
			foreach ($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[] = $this->newInvalidError(
			pht(
			'Parent task identifier "%s" does not identify a visible '.
			'task.',
			$task_phid));
			}
			}

			if ($with_effect && !$this->isNewObject()) {
			$errors[] = $this->newInvalidError(
			pht(
			'You can only select a parent task when creating a '.
			'transaction for the first time.'));
			}

			return $errors;
			}
			}