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PhabricatorModularTransaction.php
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Created
Wed, Apr 23, 10:45

PhabricatorModularTransaction.php
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<?php
abstract class PhabricatorModularTransaction
extends PhabricatorApplicationTransaction {
private $implementation;
abstract public function getBaseTransactionClass();
final protected function getTransactionImplementation() {
if (!$this->implementation) {
$this->implementation = $this->newTransactionImplementation();
}
return $this->implementation;
}
public function newModularTransactionTypes() {
$base_class = $this->getBaseTransactionClass();
$types = id(new PhutilClassMapQuery())
->setAncestorClass($base_class)
->setUniqueMethod('getTransactionTypeConstant')
->execute();
// Add core transaction types.
$types += id(new PhutilClassMapQuery())
->setAncestorClass('PhabricatorCoreTransactionType')
->setUniqueMethod('getTransactionTypeConstant')
->execute();
return $types;
}
private function newTransactionImplementation() {
$types = $this->newModularTransactionTypes();
$key = $this->getTransactionType();
if (empty($types[$key])) {
$type = new PhabricatorCoreVoidTransaction();
} else {
$type = clone $types[$key];
}
$type->setStorage($this);
return $type;
}
final public function generateOldValue($object) {
return $this->getTransactionImplementation()->generateOldValue($object);
}
final public function generateNewValue($object) {
return $this->getTransactionImplementation()
->generateNewValue($object, $this->getNewValue());
}
final public function willApplyTransactions($object, array $xactions) {
return $this->getTransactionImplementation()
->willApplyTransactions($object, $xactions);
}
final public function applyInternalEffects($object) {
return $this->getTransactionImplementation()
->applyInternalEffects($object);
}
final public function applyExternalEffects($object) {
return $this->getTransactionImplementation()
->applyExternalEffects($object);
}
final public function shouldHide() {
if ($this->getTransactionImplementation()->shouldHide()) {
return true;
}
return parent::shouldHide();
}
final public function getIcon() {
$icon = $this->getTransactionImplementation()->getIcon();
if ($icon !== null) {
return $icon;
}
return parent::getIcon();
}
final public function getTitle() {
$title = $this->getTransactionImplementation()->getTitle();
if ($title !== null) {
return $title;
}
return parent::getTitle();
}
final public function getTitleForFeed() {
$title = $this->getTransactionImplementation()->getTitleForFeed();
if ($title !== null) {
return $title;
}
return parent::getTitleForFeed();
}
final public function getColor() {
$color = $this->getTransactionImplementation()->getColor();
if ($color !== null) {
return $color;
}
return parent::getColor();
}
final public function hasChangeDetails() {
if ($this->getTransactionImplementation()->hasChangeDetailView()) {
return true;
}
return parent::hasChangeDetails();
}
final public function renderChangeDetails(PhabricatorUser $viewer) {
$impl = $this->getTransactionImplementation();
$impl->setViewer($viewer);
$view = $impl->newChangeDetailView();
if ($view !== null) {
return $view;
}
return parent::renderChangeDetails($viewer);
}
}

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