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phorge/src/applications/project/xaction/column/PhabricatorProjectColumnTriggerTransaction.php
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PhabricatorProjectColumnTriggerTransaction.php
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<?php
final class PhabricatorProjectColumnTriggerTransaction
extends PhabricatorProjectColumnTransactionType {
const TRANSACTIONTYPE = 'trigger';
public function generateOldValue($object) {
return $object->getTriggerPHID();
}
public function applyInternalEffects($object, $value) {
$object->setTriggerPHID($value);
}
public function applyExternalEffects($object, $value) {
// After we change the trigger attached to a column, update the search
// indexes for the old and new triggers so we update the usage index.
$old = $this->getOldValue();
$new = $this->getNewValue();
$column_phids = array();
if ($old) {
$column_phids[] = $old;
}
if ($new) {
$column_phids[] = $new;
}
foreach ($column_phids as $phid) {
PhabricatorSearchWorker::queueDocumentForIndexing($phid);
}
}
public function getTitle() {
$old = $this->getOldValue();
$new = $this->getNewValue();
if (!$old) {
return pht(
'%s set the column trigger to %s.',
$this->renderAuthor(),
$this->renderNewHandle());
} else if (!$new) {
return pht(
'%s removed the trigger for this column (was %s).',
$this->renderAuthor(),
$this->renderOldHandle());
} else {
return pht(
'%s changed the trigger for this column from %s to %s.',
$this->renderAuthor(),
$this->renderOldHandle(),
$this->renderNewHandle());
}
}
public function validateTransactions($object, array $xactions) {
$actor = $this->getActor();
$errors = array();
foreach ($xactions as $xaction) {
$trigger_phid = $xaction->getNewValue();
// You can always remove a trigger.
if (!$trigger_phid) {
continue;
}
// You can't put a trigger on a column that can't have triggers, like
// a backlog column or a proxy column.
if (!$object->canHaveTrigger()) {
$errors[] = $this->newInvalidError(
pht('This column can not have a trigger.'),
$xaction);
continue;
}
$trigger = id(new PhabricatorProjectTriggerQuery())
->setViewer($actor)
->withPHIDs(array($trigger_phid))
->execute();
if (!$trigger) {
$errors[] = $this->newInvalidError(
pht(
'Trigger "%s" is not a valid trigger, or you do not have '.
'permission to view it.',
$trigger_phid),
$xaction);
continue;
}
}
return $errors;
}
}

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