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phorge/src/applications/transactions/xaction/PhabricatorEditEngineDefaultTransaction.php
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PhabricatorEditEngineDefaultTransaction.php
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<?php
final class PhabricatorEditEngineDefaultTransaction
extends PhabricatorEditEngineTransactionType {
const TRANSACTIONTYPE = 'editengine.config.default';
public function generateOldValue($object) {
$field_key = $this->getMetadataValue('field.key');
return $object->getFieldDefault($field_key);
}
public function applyInternalEffects($object, $value) {
$field_key = $this->getMetadataValue('field.key');
$object->setFieldDefault($field_key, $value);
}
public function getTitle() {
$key = $this->getMetadataValue('field.key');
$object = $this->getObject();
$engine = $object->getEngine();
$fields = $engine->getFieldsForConfig($object);
$field = idx($fields, $key);
if (!$field) {
return pht(
'%s changed the default values for field %s.',
$this->renderAuthor(),
$this->renderValue($key));
}
return pht(
'%s changed the default value for field %s.',
$this->renderAuthor(),
$this->renderValue($field->getLabel()));
}
public function hasChangeDetailView() {
return true;
}
public function newChangeDetailView() {
$viewer = $this->getViewer();
$old = $this->renderDefaultValueAsFallbackText($this->getOldValue());
$new = $this->renderDefaultValueAsFallbackText($this->getNewValue());
return id(new PhabricatorApplicationTransactionTextDiffDetailView())
->setViewer($viewer)
->setOldText($old)
->setNewText($new);
}
private function renderDefaultValueAsFallbackText($default_value) {
// See T13319. When rendering an "alice changed the default value for
// field X." story on custom forms, we may fall back to a generic
// rendering. Try to present the value change in a comprehensible way
// even if it isn't especially human readable (for example, it may
// contain PHIDs or other internal identifiers).
if (is_scalar($default_value) || is_null($default_value)) {
return $default_value;
}
if (phutil_is_natural_list($default_value)) {
return id(new PhutilJSON())->encodeAsList($default_value);
}
return id(new PhutilJSON())->encodeFormatted($default_value);
}
}

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