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phorge/src/applications/maniphest/relationship/ManiphestTaskCloseAsDuplicateRelationship.php
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ManiphestTaskCloseAsDuplicateRelationship.php
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<?php
final class ManiphestTaskCloseAsDuplicateRelationship
extends ManiphestTaskRelationship {
const RELATIONSHIPKEY = 'task.close-as-duplicate';
public function getEdgeConstant() {
return ManiphestTaskIsDuplicateOfTaskEdgeType::EDGECONST;
}
protected function getActionName() {
return pht('Close As Duplicate');
}
protected function getActionIcon() {
return 'fa-times';
}
public function canRelateObjects($src, $dst) {
return ($dst instanceof ManiphestTask);
}
public function shouldAppearInActionMenu() {
return false;
}
public function getDialogTitleText() {
return pht('Close As Duplicate');
}
public function getDialogHeaderText() {
return pht('Close This Task As a Duplicate Of');
}
public function getDialogButtonText() {
return pht('Merge Into Selected Task');
}
protected function newRelationshipSource() {
return new ManiphestTaskRelationshipSource();
}
public function getRequiredRelationshipCapabilities() {
return array(
PhabricatorPolicyCapability::CAN_VIEW,
PhabricatorPolicyCapability::CAN_EDIT,
);
}
public function canUndoRelationship() {
return false;
}
public function willUpdateRelationships($object, array $add, array $rem) {
// TODO: Communicate this in the UI before users hit this error.
if (count($add) > 1) {
throw new Exception(
pht(
'A task can only be closed as a duplicate of exactly one other '.
'task.'));
}
$task = head($add);
return $this->newMergeIntoTransactions($task);
}
public function didUpdateRelationships($object, array $add, array $rem) {
$viewer = $this->getViewer();
$content_source = $this->getContentSource();
$task = head($add);
$xactions = $this->newMergeFromTransactions(array($object));
$task->getApplicationTransactionEditor()
->setActor($viewer)
->setContentSource($content_source)
->setContinueOnMissingFields(true)
->setContinueOnNoEffect(true)
->applyTransactions($task, $xactions);
}
}

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