PhrictionDocumentDeleteTransaction.php
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PhrictionDocumentDeleteTransaction.php
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	<?php

	final class PhrictionDocumentDeleteTransaction
	extends PhrictionDocumentVersionTransaction {

	const TRANSACTIONTYPE = 'delete';

	public function generateOldValue($object) {
	return null;
	}

	public function applyInternalEffects($object, $value) {
	$object->setStatus(PhrictionDocumentStatus::STATUS_DELETED);

	$content = $this->getNewDocumentContent($object);

	$content->setContent('');
	$content->setChangeType(PhrictionChangeType::CHANGE_DELETE);
	}

	public function getActionStrength() {
	return 150;
	}

	public function getActionName() {
	return pht('Deleted');
	}

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

	public function getTitleForFeed() {
	return pht(
	'%s deleted %s.',
	$this->renderAuthor(),
	$this->renderObject());
	}

	public function validateTransactions($object, array $xactions) {
	$errors = array();

	$e_text = null;
	foreach ($xactions as $xaction) {
	switch ($object->getStatus()) {
	case PhrictionDocumentStatus::STATUS_DELETED:
	if ($xaction->getMetadataValue('contentDelete')) {
	$e_text = pht(
	'This document is already deleted. You must specify '.
	'content to re-create the document and make further edits.');
	} else {
	$e_text = pht(
	'An already deleted document can not be deleted.');
	}
	break;
	case PhrictionDocumentStatus::STATUS_MOVED:
	$e_text = pht('A moved document can not be deleted.');
	break;
	case PhrictionDocumentStatus::STATUS_STUB:
	$e_text = pht('A stub document can not be deleted.');
	break;
	default:
	break;
	}

	if ($e_text !== null) {
	$errors[] = $this->newInvalidError($e_text);
	}

	}

	return $errors;
	}

	public function getIcon() {
	return 'fa-trash-o';
	}

	public function getColor() {
	return 'red';
	}

	}

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