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phab/src/applications/differential/xaction/DifferentialRevisionActionTransaction.php
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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 $viewer);
abstract protected function getRevisionActionLabel();
public function getCommandKeyword() {
return null;
}
public function getCommandAliases() {
return array();
}
public function getCommandSummary() {
return null;
}
protected function getRevisionActionOrder() {
return 1000;
}
public function getActionStrength() {
return 3;
}
public function getRevisionActionOrderVector() {
return id(new PhutilSortVector())
->addInt($this->getRevisionActionOrder());
}
protected function getRevisionActionGroupKey() {
return DifferentialRevisionEditEngine::ACTIONGROUP_REVISION;
}
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);
$group_key = $this->getRevisionActionGroupKey();
$field->setCommentActionGroupKey($group_key);
// Currently, every revision action conflicts with every other
// revision action: for example, you can not simultaneously Accept and
// Reject a revision.
// Under some configurations, some combinations of actions are sort of
// technically permissible. For example, you could reasonably Reject
// and Abandon a revision if "anyone can abandon anything" is enabled.
// It's not clear that these combinations are actually useful, so just
// keep things simple for now.
$field->setActionConflictKey('revision.action');
}
}
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;
}
}
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