HeraldRuleEditTransaction.php
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	<?php

	final class HeraldRuleEditTransaction
	extends HeraldRuleTransactionType {

	const TRANSACTIONTYPE = 'herald:edit';

	public function generateOldValue($object) {
	return id(new HeraldRuleSerializer())
	->serializeRule($object);
	}

	public function applyInternalEffects($object, $value) {
	$new_state = id(new HeraldRuleSerializer())
	->deserializeRuleComponents($value);

	$object->setMustMatchAll((int)$new_state['match_all']);
	$object->attachConditions($new_state['conditions']);
	$object->attachActions($new_state['actions']);

	$new_repetition = $new_state['repetition_policy'];
	$object->setRepetitionPolicyStringConstant($new_repetition);
	}

	public function applyExternalEffects($object, $value) {
	$object->saveConditions($object->getConditions());
	$object->saveActions($object->getActions());
	}

	public function getTitle() {
	return pht(
	'%s edited this rule.',
	$this->renderAuthor());
	}

	public function hasChangeDetailView() {
	return true;
	}

	public function newChangeDetailView() {
	$viewer = $this->getViewer();

	$old = $this->getOldValue();
	$new = $this->getNewValue();

	$json = new PhutilJSON();
	$old_json = $json->encodeFormatted($old);
	$new_json = $json->encodeFormatted($new);

	return id(new PhabricatorApplicationTransactionTextDiffDetailView())
	->setViewer($viewer)
	->setOldText($old_json)
	->setNewText($new_json);
	}

	}