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PhabricatorEdgeChangeRecord.php
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PhabricatorEdgeChangeRecord.php
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<?php
final class PhabricatorEdgeChangeRecord
extends Phobject {
private $xaction;
public static function newFromTransaction(
PhabricatorApplicationTransaction $xaction) {
$record = new self();
$record->xaction = $xaction;
return $record;
}
public function getChangedPHIDs() {
$add = $this->getAddedPHIDs();
$rem = $this->getRemovedPHIDs();
$add = array_fuse($add);
$rem = array_fuse($rem);
return array_keys($add + $rem);
}
public function getAddedPHIDs() {
$old = $this->getOldDestinationPHIDs();
$new = $this->getNewDestinationPHIDs();
$old = array_fuse($old);
$new = array_fuse($new);
$add = array_diff_key($new, $old);
return array_keys($add);
}
public function getRemovedPHIDs() {
$old = $this->getOldDestinationPHIDs();
$new = $this->getNewDestinationPHIDs();
$old = array_fuse($old);
$new = array_fuse($new);
$rem = array_diff_key($old, $new);
return array_keys($rem);
}
public function getModernOldEdgeTransactionData() {
return $this->getRemovedPHIDs();
}
public function getModernNewEdgeTransactionData() {
return $this->getAddedPHIDs();
}
private function getOldDestinationPHIDs() {
if ($this->xaction) {
$old = $this->xaction->getOldValue();
return $this->getPHIDsFromTransactionValue($old);
}
throw new Exception(
pht('Edge change record is not configured with any change data.'));
}
private function getNewDestinationPHIDs() {
if ($this->xaction) {
$new = $this->xaction->getNewValue();
return $this->getPHIDsFromTransactionValue($new);
}
throw new Exception(
pht('Edge change record is not configured with any change data.'));
}
private function getPHIDsFromTransactionValue($value) {
if (!$value) {
return array();
}
// If the list items are arrays, this is an older-style map of
// dictionaries.
$head = head($value);
if (is_array($head)) {
return ipull($value, 'dst');
}
// If the list items are not arrays, this is a newer-style list of PHIDs.
return $value;
}
}

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