Differential D17107 Diff 41166 src/applications/differential/xaction/DifferentialRevisionActionTransaction.php

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src/applications/differential/xaction/DifferentialRevisionActionTransaction.php

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				<?php

				abstract class DifferentialRevisionActionTransaction
				extends DifferentialRevisionTransactionType {

				final public function getRevisionActionKey() {
				return $this->getPhobjectClassConstant('ACTIONKEY', 32);
				}

				public function isActionAvailable($object, PhabricatorUser $viewer) {
				try {
				$this->validateAction($object, $viewer);
				return true;
				} catch (Exception $ex) {
				return false;
				}
				}

				abstract protected function validateAction($object, PhabricatorUser $viewer);
				abstract protected function getRevisionActionLabel();

				protected function getRevisionActionDescription() {
				return null;
				}

				public static function loadAllActions() {
				return id(new PhutilClassMapQuery())
				->setAncestorClass(__CLASS__)
				->setUniqueMethod('getRevisionActionKey')
				->execute();
				}

				protected function isViewerRevisionAuthor(
				DifferentialRevision $revision,
				PhabricatorUser $viewer) {

				if (!$viewer->getPHID()) {
				return false;
				}

				return ($viewer->getPHID() === $revision->getAuthorPHID());
				}

				public function newEditField(
				DifferentialRevision $revision,
				PhabricatorUser $viewer) {

				$field = id(new PhabricatorApplyEditField())
				->setKey($this->getRevisionActionKey())
				->setTransactionType($this->getTransactionTypeConstant())
				->setValue(true);

				if ($this->isActionAvailable($revision, $viewer)) {
				$label = $this->getRevisionActionLabel();
				if ($label !== null) {
				$field->setCommentActionLabel($label);

				$description = $this->getRevisionActionDescription();
				$field->setActionDescription($description);
				}
				}

				return $field;
				}

				public function validateTransactions($object, array $xactions) {
				$errors = array();
				$actor = $this->getActor();

				$action_exception = null;
				try {
				$this->validateAction($object, $actor);
				} catch (Exception $ex) {
				$action_exception = $ex;
				}

				foreach ($xactions as $xaction) {
				if ($action_exception) {
				$errors[] = $this->newInvalidError(
				$action_exception->getMessage(),
				$xaction);
				}
				}

				return $errors;
				}

				}