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DifferentialRevisionActionTransaction.php
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Sat, Dec 28, 23:40

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 $viewer);
abstract protected function getRevisionActionLabel();
protected function validateOptionValue($object, $actor, array $value) {
return null;
}
public function getCommandKeyword() {
return null;
}
public function getCommandAliases() {
return array();
}
public function getCommandSummary() {
return null;
}
protected function getRevisionActionOrder() {
return 1000;
}
public function getActionStrength() {
return 3;
}
public function getRevisionActionOrderVector() {
return id(new PhutilSortVector())
->addInt($this->getRevisionActionOrder());
}
protected function getRevisionActionGroupKey() {
return DifferentialRevisionEditEngine::ACTIONGROUP_REVISION;
}
protected function getRevisionActionDescription(
DifferentialRevision $revision) {
return null;
}
protected function getRevisionActionSubmitButtonText(
DifferentialRevision $revision) {
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());
}
protected function getActionOptions(
PhabricatorUser $viewer,
DifferentialRevision $revision) {
return array(
array(),
array(),
);
}
public function newEditField(
DifferentialRevision $revision,
PhabricatorUser $viewer) {
// Actions in the "review" group, like "Accept Revision", do not require
// that the actor be able to edit the revision.
$group_review = DifferentialRevisionEditEngine::ACTIONGROUP_REVIEW;
$is_review = ($this->getRevisionActionGroupKey() == $group_review);
$field = id(new PhabricatorApplyEditField())
->setKey($this->getRevisionActionKey())
->setTransactionType($this->getTransactionTypeConstant())
->setCanApplyWithoutEditCapability($is_review)
->setValue(true);
if ($this->isActionAvailable($revision, $viewer)) {
$label = $this->getRevisionActionLabel();
if ($label !== null) {
$field->setCommentActionLabel($label);
$description = $this->getRevisionActionDescription($revision);
$field->setActionDescription($description);
$group_key = $this->getRevisionActionGroupKey();
$field->setCommentActionGroupKey($group_key);
$button_text = $this->getRevisionActionSubmitButtonText($revision);
$field->setActionSubmitButtonText($button_text);
// 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.
$field->setActionConflictKey('revision.action');
list($options, $value) = $this->getActionOptions($viewer, $revision);
// Show the options if the user can select on behalf of two or more
// reviewers, or can force-accept on behalf of one or more reviewers,
// or can accept on behalf of a reviewer other than themselves (see
// T12533).
$can_multi = (count($options) > 1);
$can_force = (count($value) < count($options));
$not_self = (head_key($options) != $viewer->getPHID());
if ($can_multi || $can_force || $not_self) {
$field->setOptions($options);
$field->setValue($value);
}
}
}
return $field;
}
public function validateTransactions($object, array $xactions) {
$errors = array();
$actor = $this->getActor();
$action_exception = null;
foreach ($xactions as $xaction) {
// If this is a draft demotion action, let it skip all the normal
// validation. This is a little hacky and should perhaps move down
// into the actual action implementations, but currently we can not
// apply this rule in validateAction() because it doesn't operate on
// the actual transaction.
if ($xaction->getMetadataValue('draft.demote')) {
continue;
}
try {
$this->validateAction($object, $actor);
} catch (Exception $ex) {
$action_exception = $ex;
}
break;
}
foreach ($xactions as $xaction) {
if ($action_exception) {
$errors[] = $this->newInvalidError(
$action_exception->getMessage(),
$xaction);
continue;
}
$new = $xaction->getNewValue();
if (!is_array($new)) {
continue;
}
try {
$this->validateOptionValue($object, $actor, $new);
} catch (Exception $ex) {
$errors[] = $this->newInvalidError(
$ex->getMessage(),
$xaction);
}
}
return $errors;
}
}

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